From 8c871bc5fa7ade0508a21f9c6c683d67412b4bd0 Mon Sep 17 00:00:00 2001
From: Harvey Tindall <hrfee@protonmail.ch>
Date: Tue, 26 Jan 2021 22:57:29 +0000
Subject: [PATCH] Add ts to link setting dependance

Also make store each setting as classes in a settings object, to make it
easier to serialize on submitting. Also, added
"substitute_jellyfin_strings", "no_username" and welcome_email.
---
 Makefile              |   2 +
 api.go                |   8 +
 html/setup2.html      |  73 ++++---
 lang.go               |   2 +
 lang/setup/en-us.json |  17 +-
 main.go               |  32 +--
 setup.go              |  23 ++
 ts/modules/common.ts  |   3 +-
 ts/setup.ts           | 486 ++++++++++++++++++++++--------------------
 9 files changed, 360 insertions(+), 286 deletions(-)

diff --git a/Makefile b/Makefile
index 8f26df9..c0b98a7 100644
--- a/Makefile
+++ b/Makefile
@@ -18,12 +18,14 @@ typescript:
 	-mkdir -p build/data/web/js
 	-npx esbuild --bundle ts/admin.ts --outfile=./build/data/web/js/admin.js --minify
 	-npx esbuild --bundle ts/form.ts --outfile=./build/data/web/js/form.js --minify
+	-npx esbuild --bundle ts/setup.ts --outfile=./build/data/web/js/setup.js --minify
 
 ts-debug:
 	$(info compiling typescript w/ sourcemaps)
 	-mkdir -p build/data/web/js
 	-npx esbuild --bundle ts/admin.ts --sourcemap --outfile=./build/data/web/js/admin.js
 	-npx esbuild --bundle ts/form.ts --sourcemap --outfile=./build/data/web/js/form.js
+	-npx esbuild --bundle ts/setup.ts --sourcemap --outfile=./build/data/web/js/setup.js
 	-rm -r build/data/web/js/ts
 	$(info copying typescript)
 	cp -r ts build/data/web/js
diff --git a/api.go b/api.go
index 3d3f4b0..c3369be 100644
--- a/api.go
+++ b/api.go
@@ -1288,6 +1288,14 @@ func (app *appContext) GetLanguages(gc *gin.Context) {
 		for key, lang := range app.storage.lang.Admin {
 			resp[key] = lang.Meta.Name
 		}
+	} else if page == "setup" {
+		for key, lang := range app.storage.lang.Setup {
+			resp[key] = lang.Meta.Name
+		}
+	} else if page == "email" {
+		for key, lang := range app.storage.lang.Email {
+			resp[key] = lang.Meta.Name
+		}
 	}
 	if len(resp) == 0 {
 		respond(500, "Couldn't get languages", gc)
diff --git a/html/setup2.html b/html/setup2.html
index 5fa18ff..5f1aee2 100644
--- a/html/setup2.html
+++ b/html/setup2.html
@@ -66,27 +66,27 @@
                 <p class="content">{{ .lang.Login.description }}</p>
                 <div class="pl-1">
                     <label class="row switch pb-1">
-                        <input type="radio" name="login-method" checked><span>{{ .lang.Login.authorizeWithJellyfin }}</span>
+                        <input type="radio" name="ui-jellyfin_login" value="true" checked><span>{{ .lang.Login.authorizeWithJellyfin }}</span>
                     </label>
                     <label class="row switch pl-1 pb-1">
-                        <input type="checkbox" id="login-jellyfin"><span>{{ .lang.Login.adminOnly }}</span>
+                        <input type="checkbox" id="ui-admin_only"><span>{{ .lang.Login.adminOnly }}</span>
                     </label>
                     <label class="row switch pb-1">
-                        <input type="radio" name="login-method"><span>{{ .lang.Login.authorizeManual }}</span>
+                        <input type="radio" name="ui-jellyfin_login" value="false"><span>{{ .lang.Login.authorizeManual }}</span>
                     </label>
                 </div>
                 <div id="login-manual">
                     <label class="label">
                         <span class="mt-half">{{ .lang.Strings.username }}</span>
-                        <input type="text" id="login-password" class="input ~neutral !normal mt-half mb-1" placeholder="{{ .lang.Strings.username }}">
+                        <input type="text" id="ui-username" class="input ~neutral !normal mt-half mb-1" placeholder="{{ .lang.Strings.username }}">
                     </label>
                     <label class="label">
                         <span>{{ .lang.Strings.password }}</span>
-                        <input type="password" id="login-username" class="input ~neutral !normal mt-half mb-1" placeholder="{{ .lang.Strings.password }}">
+                        <input type="password" id="ui-password" class="input ~neutral !normal mt-half mb-1" placeholder="{{ .lang.Strings.password }}">
                     </label>
                     <label class="label">
                         <span>{{ .lang.Strings.emailAddress }} ({{ .lang.Strings.optional }})</span>
-                        <input type="email" class="input ~neutral !normal mt-half" placeholder="email@address">
+                        <input type="email" id="ui-email" class="input ~neutral !normal mt-half" placeholder="email@address">
                         <span class="support mb-1">{{ .lang.Login.emailNotice }}</span>
                     </label>
                 </div>
@@ -108,13 +108,18 @@
                     </div>
                     <p class="support mb-1">{{ .lang.JellyfinEmby.embyNotice }}</p>
                 </label>
+                <label class="label">
+                    <span class="mt-half">{{ .lang.JellyfinEmby.replaceJellyfin }} ({{ .lang.Strings.optional }})</span>
+                    <input type="text" class="input ~neutral !normal mt-half" id="jellyfin-substitute_jellyfin_strings">
+                    <p class="support mb-1">{{ .lang.JellyfinEmby.replaceJellyfinNotice }}</p>
+                </label>
                 <label class="label">
                     <span class="mt-half">{{ .lang.Strings.serverAddress }} ({{ .lang.JellyfinEmby.internal }})</span>
                     <input type="url" class="input ~neutral !normal mt-half mb-1" id="jellyfin-server" placeholder="http://jellyf.in:80">
                 </label>
                 <label class="label">
                     <span class="mt-half">{{ .lang.Strings.serverAddress }} ({{ .lang.JellyfinEmby.external }})</span>
-                    <input type="url" class="input ~neutral !normal mt-half" id="jellyfin-public-server" placeholder="https://jellyf.in">
+                    <input type="url" class="input ~neutral !normal mt-half" id="jellyfin-public_server" placeholder="https://jellyf.in">
                     <p class="support mb-1">{{ .lang.JellyfinEmby.addressExternalNotice }}</p>
                 </label>
                 <label class="label">
@@ -139,7 +144,7 @@
                 <div class="row">
                     <div class="col">
                         <label class="label">
-                            <span>{{ .lang.Strings.serverType }}</span>
+                            <span>{{ .lang.Email.method }}</span>
                             <div class="select ~neutral !normal mt-half mb-1">
                                 <select id="email-method">
                                     <option value="">{{ .lang.Strings.disabled }}</option>
@@ -148,6 +153,10 @@
                                 </select>
                             </div>
                         </label>
+                        <label class="row switch">
+                            <input type="checkbox" id="email-no_username"><span>{{ .lang.Email.useEmailAsUsername }}</span>
+                            <p class="support mb-1">{{ .lang.Email.useEmailAsUsernameNotice }}</p>
+                        </label>
                         <label class="label">
                             <span class="mt-half">{{ .lang.Email.fromAddress }}</span>
                             <input type="email" class="input ~neutral !normal mt-half mb-1" id="email-address" placeholder="mail@jellyf.in">
@@ -217,25 +226,35 @@
                     </div>
                 </section>
             </div>
-            <div class="card ~neutral !low mb-1">
+            <div class="card ~neutral !low mb-1 related-to-email">
                 <span class="heading">{{ .lang.Notifications.title }}</span>
                 <p class="content">{{ .lang.Notifications.description }}</p>
                 <label class="row switch pb-1">
                     <input type="checkbox" id="notifications-enabled"><span>{{ .lang.Strings.enabled }}</span>
                 </label>
-                <span class="heading">{{ .lang.PasswordResets.title }}</span>
-                <p class="content">{{ .lang.PasswordResets.description }}</p>
+                <span class="heading">{{ .lang.WelcomeEmails.title }}</span>
+                <p class="content">{{ .lang.WelcomeEmails.description }}</p>
                 <label class="row switch pb-1">
-                    <input type="checkbox" id="password_resets-enabled"><span>{{ .lang.Strings.enabled }}</span>
+                    <input type="checkbox" id="welcome_email-enabled"><span>{{ .lang.Strings.enabled }}</span>
                 </label>
                 <label class="label">
-                    <span class="mt-half">{{ .lang.PasswordResets.pathToJellyfin }}</span>
-                    <input type="text" class="input ~neutral !normal mt-half" id="password_resets-watch_directory" placeholder="/config/jellyfin">
-                    <p class="support mb-1">{{ .lang.PasswordResets.pathToJellyfinNotice }}</p>
+                    <span class="mt-half">{{ .lang.Strings.emailSubject }}</span>
+                    <input type="text" class="input ~neutral !normal mt-half mb-1" id="welcome_email-subject" placeholder="{{ .emailLang.WelcomeEmail.title }}">
+                </label>
+            </div>
+            <div class="card ~neutral !low mb-1 related-to-email">
+                <span class="heading">{{ .lang.InviteEmails.title }}</span>
+                <p class="content">{{ .lang.InviteEmails.description }}</p>
+                <label class="row switch pb-1">
+                    <input type="checkbox" id="invite_emails-enabled"><span>{{ .lang.Strings.enabled }}</span>
+                </label>
+                <label class="label">
+                    <span class="mt-half">{{ .lang.Strings.URL }}</span>
+                    <input type="url" class="input ~neutral !normal mt-half mb-1" id="invite_emails-url_base" placeholder="https://accounts.jellyf.in/invite">
                 </label>
                 <label class="label">
                     <span class="mt-half">{{ .lang.Strings.emailSubject }}</span>
-                    <input type="text" class="input ~neutral !normal mt-half mb-1" id="password_resets-subject" placeholder="{{ .emailLang.PasswordReset.title }}">
+                    <input type="text" class="input ~neutral !normal mt-half mb-1" id="invite_emails-subject" placeholder="{{ .emailLang.InviteEmail.title }}">
                 </label>
                 <section class="section ~neutral banner footer flex-expand middle">
                     <span class="button ~neutral !normal back">{{ .lang.Strings.back }}</span>
@@ -244,19 +263,20 @@
                     </div>
                 </section>
             </div>
-            <div class="card ~neutral !low mb-1">
-                <span class="heading">{{ .lang.InviteEmails.title }}</span>
-                <p class="content">{{ .lang.InviteEmails.description }}</p>
+            <div class="card ~neutral !low mb-1 related-to-email">
+                <span class="heading">{{ .lang.PasswordResets.title }}</span>
+                <p class="content">{{ .lang.PasswordResets.description }}</p>
                 <label class="row switch pb-1">
-                    <input type="checkbox" id="invite_emails-enabled"><span>{{ .lang.Strings.enabled }}</span>
+                    <input type="checkbox" id="password_resets-enabled"><span>{{ .lang.Strings.enabled }}</span>
                 </label>
                 <label class="label">
-                    <span class="mt-half">{{ .lang.Strings.URL }}</span>
-                    <input type="url" class="input ~neutral !normal mt-half mb-1" id="invite_emails-url_base" placeholder="https://accounts.jellyf.in/invite">
+                    <span class="mt-half">{{ .lang.PasswordResets.pathToJellyfin }}</span>
+                    <input type="text" class="input ~neutral !normal mt-half" id="password_resets-watch_directory" placeholder="/config/jellyfin">
+                    <p class="support mb-1">{{ .lang.PasswordResets.pathToJellyfinNotice }}</p>
                 </label>
                 <label class="label">
                     <span class="mt-half">{{ .lang.Strings.emailSubject }}</span>
-                    <input type="text" class="input ~neutral !normal mt-half mb-1" id="invite_emails-subject" placeholder="{{ .emailLang.InviteEmail.title }}">
+                    <input type="text" class="input ~neutral !normal mt-half mb-1" id="password_resets-subject" placeholder="{{ .emailLang.PasswordReset.title }}">
                 </label>
                 <section class="section ~neutral banner footer flex-expand middle">
                     <span class="button ~neutral !normal back">{{ .lang.Strings.back }}</span>
@@ -316,7 +336,7 @@
                     <input type="text" class="input ~neutral !normal mt-half" id="ui-success_message">
                     <p class="support mb-1">{{ .lang.HelpMessages.successMessageNotice }}</p>
                 </label>
-                <label class="label">
+                <label class="label related-to-email">
                     <span class="mt-half">{{ .lang.HelpMessages.emailMessage }}</span>
                     <input type="text" class="input ~neutral !normal mt-half" id="email-message">
                     <p class="support mb-1">{{ .lang.HelpMessages.emailMessageNotice }}</p>
@@ -340,6 +360,11 @@
                 </div>
             </div>
         </div>
+        <script>
+            window.langFile = JSON.parse({{ .language }});
+            window.messages = JSON.parse({{ .messages }});
+        </script>
+        <script src="js/setup.js" type="module"></script>
     </body>
 </html>
 
diff --git a/lang.go b/lang.go
index ccac0f5..e443153 100644
--- a/lang.go
+++ b/lang.go
@@ -96,10 +96,12 @@ type setupLang struct {
 	JellyfinEmby       langSection `json:"jellyfinEmby"`
 	Email              langSection `json:"email"`
 	Notifications      langSection `json:"notifications"`
+	WelcomeEmails      langSection `json:"welcomeEmails"`
 	PasswordResets     langSection `json:"passwordResets"`
 	InviteEmails       langSection `json:"inviteEmails"`
 	PasswordValidation langSection `json:"passwordValidation"`
 	HelpMessages       langSection `json:"helpMessages"`
+	JSON               string
 }
 
 func (ls *setupLangs) getOptions(chosen string) (string, []string) {
diff --git a/lang/setup/en-us.json b/lang/setup/en-us.json
index ef3cbda..df950af 100644
--- a/lang/setup/en-us.json
+++ b/lang/setup/en-us.json
@@ -47,12 +47,17 @@
         "embyNotice": "Emby support is limited and does not support password resets.",
         "internal": "Internal",
         "external": "External",
+        "replaceJellyfin": "Server name",
+        "replaceJellyfinNotice": "If given, this will replace any occurrence of 'Jellyfin' in the app.",
         "addressExternalNotice": "Leave blank to use the same address.",
         "testConnection": "Test Connection"
     },
     "email": {
         "title": "Email",
         "description": "jfa-go can send password reset PINs and various notifications through email. You can connect to an SMTP server, or use the {n} API.",
+        "method": "Sending method",
+        "useEmailAsUsername": "Use email addresses as username",
+        "useEmailAsUsernameNotice": "If enabled, new users will login to Jellyfin/Emby with their email address instead of a username.",
         "fromAddress": "From Address",
         "senderName": "Sender Name",
         "dateFormat": "Date Format",
@@ -67,16 +72,20 @@
         "title": "Notifications",
         "description": "If enabled, you can choose (per invite) to receive an email when an invite expires, or a user is created. If you didn't choose the Jellyfin login method, make sure you provided your email address."
     },
+    "welcomeEmails": {
+        "title": "Welcome emails",
+        "description": "If enabled, an email will be sent to new users with the Jellyfin/Emby URL and their username."
+    },
+    "inviteEmails": {
+        "title": "Invite Emails",
+        "description": "If enabled, you can send invites directly to a user's email address. Because you might be using a reverse proxy, you need to provide the URL invites are accessed from. Write your URL Base, and append '/invite'."
+    },
     "passwordResets": {
         "title": "Password Resets",
         "description": "When a user tries to reset their password, Jellyfin creates a file named 'passwordreset-*.json' which contains a PIN. jfa-go reads the file and sends the PIN to the user.",
         "pathToJellyfin": "Path to Jellyfin configuration directory",
         "pathToJellyfinNotice": "If you don't know where this is, try resetting your password in Jellyfin. A popup with '<path to jellyfin>/passwordreset-*.json' will appear."
     },
-    "inviteEmails": {
-        "title": "Invite Emails",
-        "description": "If enabled, you can send invites directly to a user's email address. Because you might be using a reverse proxy, you need to provide the URL invites are accessed from. Write your URL Base, and append '/invite'."
-    },
     "passwordValidation": {
         "title": "Password Validation",
         "description": "If enabled, a set of password requirements will show on the account creation page, such as minimum length, uppercase/lowercase characters, etc.",
diff --git a/main.go b/main.go
index 870f624..a305c0b 100644
--- a/main.go
+++ b/main.go
@@ -329,6 +329,15 @@ func start(asDaemon, firstCall bool) {
 		}()
 	}
 
+	app.storage.lang.CommonPath = filepath.Join(app.localPath, "lang", "common")
+	app.storage.lang.FormPath = filepath.Join(app.localPath, "lang", "form")
+	app.storage.lang.AdminPath = filepath.Join(app.localPath, "lang", "admin")
+	app.storage.lang.EmailPath = filepath.Join(app.localPath, "lang", "email")
+	err := app.storage.loadLang()
+	if err != nil {
+		app.info.Fatalf("Failed to load language files: %+v\n", err)
+	}
+
 	if !firstRun {
 		app.host = app.config.Section("ui").Key("host").String()
 		if app.config.Section("advanced").Key("tls").MustBool(false) {
@@ -516,14 +525,6 @@ func start(asDaemon, firstCall bool) {
 				}
 			}
 		}
-		app.storage.lang.CommonPath = filepath.Join(app.localPath, "lang", "common")
-		app.storage.lang.FormPath = filepath.Join(app.localPath, "lang", "form")
-		app.storage.lang.AdminPath = filepath.Join(app.localPath, "lang", "admin")
-		app.storage.lang.EmailPath = filepath.Join(app.localPath, "lang", "email")
-		err = app.storage.loadLang()
-		if err != nil {
-			app.info.Fatalf("Failed to load language files: %+v\n", err)
-		}
 
 		// Since email depends on language, the email reload in loadConfig won't work first time.
 		app.email = NewEmailer(app)
@@ -560,19 +561,8 @@ func start(asDaemon, firstCall bool) {
 	} else {
 		debugMode = false
 		address = "0.0.0.0:8056"
-
-		app.storage.lang.CommonPath = filepath.Join(app.localPath, "lang", "common")
-		app.storage.lang.EmailPath = filepath.Join(app.localPath, "lang", "email")
 		app.storage.lang.SetupPath = filepath.Join(app.localPath, "lang", "setup")
-		err := app.storage.loadLangCommon()
-		if err != nil {
-			app.info.Fatalf("Failed to load language files: %+v\n", err)
-		}
-		err = app.storage.loadLangEmail()
-		if err != nil {
-			app.info.Fatalf("Failed to load language files: %+v\n", err)
-		}
-		err = app.storage.loadLangSetup()
+		err := app.storage.loadLangSetup()
 		if err != nil {
 			app.info.Fatalf("Failed to load language files: %+v\n", err)
 		}
@@ -595,12 +585,12 @@ func start(asDaemon, firstCall bool) {
 		app.debug.Println("Loading pprof")
 		pprof.Register(router)
 	}
+	router.GET("/lang/:page", app.GetLanguages)
 	if !firstRun {
 		router.GET("/", app.AdminPage)
 		router.GET("/accounts", app.AdminPage)
 		router.GET("/settings", app.AdminPage)
 		router.GET("/lang/:page/:file", app.ServeLang)
-		router.GET("/lang/:page", app.GetLanguages)
 		router.GET("/token/login", app.getTokenLogin)
 		router.GET("/token/refresh", app.getTokenRefresh)
 		router.POST("/newUser", app.NewUser)
diff --git a/setup.go b/setup.go
index 5da0930..02d630d 100644
--- a/setup.go
+++ b/setup.go
@@ -22,9 +22,27 @@ func (app *appContext) ServeSetup(gc *gin.Context) {
 	if _, ok := app.storage.lang.Email[lang]; !ok {
 		emailLang = "en-us"
 	}
+
+	messages := map[string]map[string]string{
+		"ui": {
+			"contact_message": app.config.Section("ui").Key("contact_message").String(),
+			"help_message":    app.config.Section("ui").Key("help_message").String(),
+			"success_message": app.config.Section("ui").Key("success_message").String(),
+		},
+		"email": {
+			"message": app.config.Section("email").Key("message").String(),
+		},
+	}
+	msg, err := json.Marshal(messages)
+	if err != nil {
+		respond(500, "Failed to fetch default values", gc)
+		return
+	}
 	gc.HTML(200, "setup2.html", gin.H{
 		"lang":      app.storage.lang.Setup[lang],
 		"emailLang": app.storage.lang.Email[emailLang],
+		"language":  app.storage.lang.Setup[lang].JSON,
+		"messages":  string(msg),
 	})
 }
 
@@ -76,6 +94,11 @@ func (st *Storage) loadLangSetup() error {
 			patchLang(&english.PasswordValidation, &lang.PasswordValidation)
 			patchLang(&english.HelpMessages, &lang.HelpMessages)
 		}
+		stringSettings, err := json.Marshal(lang)
+		if err != nil {
+			return err
+		}
+		lang.JSON = string(stringSettings)
 		st.lang.Setup[index] = lang
 		return nil
 	}
diff --git a/ts/modules/common.ts b/ts/modules/common.ts
index b3b4017..c1811f0 100644
--- a/ts/modules/common.ts
+++ b/ts/modules/common.ts
@@ -51,7 +51,8 @@ export const rmAttr = (el: HTMLElement, attr: string): void => {
 export const addAttr = (el: HTMLElement, attr: string): void => el.classList.add(attr);
 export const _get = (url: string, data: Object, onreadystatechange: (req: XMLHttpRequest) => void): void => {
     let req = new XMLHttpRequest();
-    req.open("GET", window.URLBase + url, true);
+    if (window.URLBase) { url = window.URLBase + url; }
+    req.open("GET", url, true);
     req.responseType = 'json';
     req.setRequestHeader("Authorization", "Bearer " + window.token);
     req.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
diff --git a/ts/setup.ts b/ts/setup.ts
index daa4a17..cdc8cf7 100644
--- a/ts/setup.ts
+++ b/ts/setup.ts
@@ -1,260 +1,274 @@
-// Lord forgive me for this mess, i'll fix it one day i swear
+import { _get, _post } from "./modules/common.js";
+import { lang, LangFile, loadLangSelector } from "./modules/lang.js";
 
-document.getElementById("page-1").scrollIntoView({
-    behavior: "auto",
-    block: "center",
-    inline: "center"
-});
-
-const checkAuthRadio = () => {
-    if ((document.getElementById('manualAuthRadio') as HTMLInputElement).checked) {
-        document.getElementById('adminOnlyArea').style.display = 'none';
-        document.getElementById('manualAuthArea').style.display = '';
-    } else {
-        document.getElementById('manualAuthArea').style.display = 'none';
-        document.getElementById('adminOnlyArea').style.display = '';
-    }
-};
+interface sWindow extends Window {
+    messages: {};
+}
 
-for (let radio of ['manualAuthRadio', 'jfAuthRadio']) {
-    document.getElementById(radio).addEventListener('change', checkAuthRadio);
-};
+declare var window: sWindow;
 
-const checkEmailRadio = () => {
-    (document.getElementById('emailNextButton') as HTMLAnchorElement).href = '#page-5';
-    (document.getElementById('valBackButton') as HTMLAnchorElement).href = '#page-7';
-    if ((document.getElementById('emailSMTPRadio') as HTMLInputElement).checked) {
-        document.getElementById('emailCommonArea').style.display = '';
-        document.getElementById('emailSMTPArea').style.display = '';
-        document.getElementById('emailMailgunArea').style.display = 'none';
-        (document.getElementById('notificationsEnabled') as HTMLInputElement).checked = true;
-    } else if ((document.getElementById('emailMailgunRadio') as HTMLInputElement).checked) {
-        document.getElementById('emailCommonArea').style.display = '';
-        document.getElementById('emailSMTPArea').style.display = 'none';
-        document.getElementById('emailMailgunArea').style.display = '';
-        (document.getElementById('notificationsEnabled') as HTMLInputElement).checked = true;
-    } else if ((document.getElementById('emailDisabledRadio') as HTMLInputElement).checked) {
-        document.getElementById('emailCommonArea').style.display = 'none';
-        document.getElementById('emailSMTPArea').style.display = 'none';
-        document.getElementById('emailMailgunArea').style.display = 'none';
-        (document.getElementById('emailNextButton') as HTMLAnchorElement).href = '#page-8';
-        (document.getElementById('valBackButton') as HTMLAnchorElement).href = '#page-4';
-        (document.getElementById('notificationsEnabled') as HTMLInputElement).checked = false;
-    }
-};
+const get = (id: string): HTMLElement => document.getElementById(id);
+const text = (id: string, val: string) => { document.getElementById(id).textContent = val; };
+const html = (id: string, val: string) => { document.getElementById(id).innerHTML = val; };
 
-for (let radio of ['emailDisabledRadio', 'emailSMTPRadio', 'emailMailgunRadio']) {
-    document.getElementById(radio).addEventListener('change', checkEmailRadio);
+interface boolEvent extends Event {
+    detail: boolean;
 }
 
-const checkSSL = () => {
-    var label = document.getElementById('emailSSL_TLSLabel');
-    if ((document.getElementById('emailSSL_TLS') as HTMLInputElement).checked) {
-        label.textContent = 'Use SSL/TLS';
-    } else {
-        label.textContent = 'Use STARTTLS';
+class Input {
+    private _el: HTMLInputElement;
+    get value(): string { return ""+this._el.value; }
+    set value(v: string) { this._el.value = v; }
+    constructor(el: HTMLElement, placeholder?: any, value?: any, depends?: string, dependsTrue?: boolean, section?: string) {
+        this._el = el as HTMLInputElement;
+        if (placeholder) { this._el.placeholder = placeholder; }
+        if (value) { this.value = value; }
+        if (depends) {
+            document.addEventListener(`settings-${section}-${depends}`, (event: boolEvent) => {
+                let el = this._el as HTMLElement;
+                if (el.parentElement.tagName == "LABEL") { el = el.parentElement; }
+                if (event.detail !== dependsTrue) {
+                    el.classList.add("unfocused");
+                } else {
+                    el.classList.remove("unfocused");
+                }
+            });
+        }
     }
-};
-document.getElementById('emailSSL_TLS').addEventListener('change', checkSSL);
+}
 
-var pwrEnabled = document.getElementById('pwrEnabled') as HTMLInputElement;
-const checkPwrEnabled = () => {
-    if (pwrEnabled.checked) {
-        document.getElementById('pwrArea').style.display = '';
-    } else {
-        document.getElementById('pwrArea').style.display = 'none';
+class Checkbox {
+    private _el: HTMLInputElement;
+    get value(): string { return this._el.checked ? "true" : "false"; }
+    set value(v: string) { this._el.checked = (v == "true") ? true : false; }
+    constructor(el: HTMLElement, depends?: string, dependsTrue?: boolean, section?: string, setting?: string) {
+        this._el = el as HTMLInputElement;
+        if (section && setting) {
+            this._el.onchange = () => {
+                const ev = new CustomEvent(`settings-${section}-${setting}`, { "detail": this._el.checked })
+                document.dispatchEvent(ev);
+            };
+        }
+        if (depends) {
+            document.addEventListener(`settings-${section}-${depends}`, (event: boolEvent) => {
+                let el = this._el as HTMLElement;
+                if (el.parentElement.tagName == "LABEL") { el = el.parentElement; }
+                if (event.detail !== dependsTrue) {
+                    el.classList.add("unfocused");
+                } else {
+                    el.classList.remove("unfocused");
+                }
+            });
+        }
     }
-};
-pwrEnabled.addEventListener('change', checkPwrEnabled);
+}
 
-var invEnabled = document.getElementById("invEnabled") as HTMLInputElement;
-const checkInvEnabled = () => {
-    if (invEnabled.checked) {
-        document.getElementById('invArea').style.display = '';
-    } else {
-        document.getElementById('invArea').style.display = 'none';
+class BoolRadios {
+    private _els: NodeListOf<HTMLInputElement>;
+    get value(): string { return this._els[0].checked ? "true" : "false" }
+    set value(v: string) { 
+        const bool = (v == "true") ? true : false;
+        this._els[0].checked = bool;
+        this._els[1].checked = !bool;
     }
-};
-invEnabled.addEventListener('change', checkInvEnabled);
-
-var valEnabled = document.getElementById("valEnabled") as HTMLInputElement;
-const checkValEnabled = () => {
-    const valArea = document.getElementById("valArea");
-    if (valEnabled.checked) {
-        valArea.style.display = '';
-    } else {
-        valArea.style.display = 'none';
+    constructor(name: string, depends?: string, dependsTrue?: boolean, section?: string, setting?: string) {
+        this._els = document.getElementsByName(name) as NodeListOf<HTMLInputElement>;
+        if (section && setting) {
+            const onchange = () => {
+                const ev = new CustomEvent(`settings-${section}-${setting}`, { "detail": this._els[0].checked })
+                document.dispatchEvent(ev);
+            };
+            this._els[0].onchange = onchange;
+            this._els[1].onchange = onchange;
+        }
+        if (depends) {
+            document.addEventListener(`settings-${section}-${depends}`, (event: boolEvent) => {
+                if (event.detail !== dependsTrue) {
+                    if (this._els[0].parentElement.tagName == "LABEL") {
+                        this._els[0].parentElement.classList.add("unfocused");
+                    }
+                    if (this._els[1].parentElement.tagName == "LABEL") {
+                        this._els[1].parentElement.classList.add("unfocused");
+                    }
+                } else {
+                    if (this._els[0].parentElement.tagName == "LABEL") {
+                        this._els[0].parentElement.classList.remove("unfocused");
+                    }
+                    if (this._els[1].parentElement.tagName == "LABEL") {
+                        this._els[1].parentElement.classList.remove("unfocused");
+                    }
+                }
+            });
+        }
     }
-};
-valEnabled.addEventListener('change', checkValEnabled);
-
-checkValEnabled();
-checkInvEnabled();
-checkSSL();
-checkAuthRadio();
-checkEmailRadio();
-checkPwrEnabled();
+}
 
-var jfValid = false
-document.getElementById('jfTestButton').onclick = () => {
-    let testButton = document.getElementById('jfTestButton') as HTMLInputElement;
-    let nextButton = document.getElementById('jfNextButton') as HTMLAnchorElement;
-    let jfData = {};
-    jfData['jfHost'] = (document.getElementById('jfHost') as HTMLInputElement).value;
-    jfData['jfUser'] = (document.getElementById('jfUser') as HTMLInputElement).value;
-    jfData['jfPassword'] = (document.getElementById('jfPassword') as HTMLInputElement).value;
-    let valid = true;
-    for (let val in jfData) {
-        if (jfData[val] == "") {
-            valid = false;
+class Radios {
+    private _el: HTMLInputElement;
+    get value(): string { return this._el.value; }
+    set value(v: string) { this._el.value = v; }
+    constructor(name: string, depends?: string, dependsTrue?: boolean, section?: string) {
+        this._el = document.getElementsByName(name)[0] as HTMLInputElement;
+        if (depends) {
+            document.addEventListener(`settings-${section}-${depends}`, (event: boolEvent) => {
+                let el = this._el as HTMLElement;
+                if (el.parentElement.tagName == "LABEL") { el = el.parentElement; }
+                if (event.detail !== dependsTrue) {
+                    el.classList.add("unfocused");
+                } else {
+                    el.classList.remove("unfocused");
+                }
+            });
         }
     }
-    if (!valid) {
-        if (!testButton.classList.contains('btn-danger')) {
-            testButton.classList.add('btn-danger');
-            testButton.textContent = 'Fill out fields above.';
-            setTimeout(function() {
-                if (testButton.classList.contains('btn-danger')) {
-                    testButton.classList.remove('btn-danger');
-                    testButton.textContent = 'Test';
-                }
-            }, 2000);
+}
+
+class Select {
+    private _el: HTMLSelectElement;
+    get value(): string { return this._el.value; }
+    set value(v: string) { this._el.value = v; }
+    add = (val: string, label: string) => {
+        const item = document.createElement("option") as HTMLOptionElement;
+        item.value = val;
+        item.textContent = label;
+        this._el.appendChild(item);
+    }
+    set onchange(f: () => void) {
+        this._el.addEventListener("change", f);
+    }
+    constructor(el: HTMLElement, depends?: string, dependsTrue?: boolean, section?: string, setting?: string) {
+        this._el = el as HTMLSelectElement;
+        if (section && setting) {
+            this._el.addEventListener("change", () => {
+                const ev = new CustomEvent(`settings-${section}-${setting}`, { "detail": this.value ? true : false })
+                document.dispatchEvent(ev);
+            });
         }
-    } else {
-        testButton.disabled = true;
-        testButton.innerHTML =
-            '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true" style="margin-right: 0.5rem;"></span>' +
-            'Testing...';
-        nextButton.classList.add('disabled');
-        nextButton.setAttribute('aria-disabled', 'true');
-        var req = new XMLHttpRequest();
-        req.open("POST", "/jellyfin/test", true);
-        req.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
-        req.responseType = 'json';
-        req.onreadystatechange = function() {
-            if (this.readyState == 4) {
-                testButton.disabled = false;
-                testButton.className = '';
-                if (this.response['success'] == true) {
-                    testButton.classList.add('btn', 'btn-success');
-                    testButton.textContent = 'Success';
-                    nextButton.classList.remove('disabled');
-                    nextButton.setAttribute('aria-disabled', 'false');
+        if (depends) {
+            document.addEventListener(`settings-${section}-${depends}`, (event: boolEvent) => {
+                let el = this._el as HTMLElement;
+                if (el.parentElement.tagName == "LABEL") { el = el.parentElement; }
+                if (event.detail !== dependsTrue) {
+                    el.classList.add("unfocused");
                 } else {
-                    testButton.classList.add('btn', 'btn-danger');
-                    testButton.textContent = 'Failed';
-                };
-            };
-        };   
-        req.send(JSON.stringify(jfData));
+                    el.classList.remove("unfocused");
+                }
+            });
+        }
     }
+}
+
+class LangSelect extends Select {
+    constructor(page: string, el: HTMLElement) {
+        super(el);
+        _get("/lang/" + page, null, (req: XMLHttpRequest) => {
+            if (req.readyState == 4 && req.status == 200) {
+                for (let code in req.response) {
+                    this.add(code, req.response[code]);
+                }
+                this.value = "en-us";
+            }
+        });
+    }
+}
+
+window.lang = new lang(window.langFile as LangFile);
+html("language-description", window.lang.var("language", "description", `<a href="https://weblate.hrfee.pw">Weblate</a>`));
+html("email-description", window.lang.var("email", "description", `<a href="https://mailgun.com">Mailgun</a>`));
+
+const settings = {
+    "jellyfin": {
+        "type": new Select(get("jellyfin-type")),
+        "server": new Input(get("jellyfin-server")),
+        "public_server": new Input(get("jellyfin-public_server")),
+        "username": new Input(get("jellyfin-username")),
+        "password": new Input(get("jellyfin-password")),
+        "substitute_jellyfin_strings": new Input(get("jellyfin-substitute_jellyfin_strings"))
+    },
+    "ui": {
+        "language-form": new LangSelect("form", get("ui-language-form")),
+        "language-admin": new LangSelect("admin", get("ui-language-admin")),
+        "jellyfin_login": new BoolRadios("ui-jellyfin_login", "", false, "ui", "jellyfin_login"),
+        "admin_only": new Checkbox(get("ui-admin_only"), "jellyfin_login", true, "ui"),
+        "username": new Input(get("ui-username"), "", "", "jellyfin_login", false, "ui"),
+        "password": new Input(get("ui-password"), "", "", "jellyfin_login", false, "ui"),
+        "email": new Input(get("ui-email"), "", "", "jellyfin_login", false, "ui"),
+        "contact_message": new Input(get("ui-contact_message"), window.messages["ui"]["contact_message"]),
+        "help_message": new Input(get("ui-help_message"), window.messages["ui"]["help_message"]),
+        "success_message": new Input(get("ui-success_message"), window.messages["ui"]["success_message"])
+    },
+    "password_validation": {
+        "enabled": new Checkbox(get("password_validation-enabled"), "", false, "password_validation", "enabled"),
+        "min_length": new Input(get("password_validation-min_length"), "", 8, "enabled", true, "password_validation"),
+        "upper": new Input(get("password_validation-upper"), "", 1, "enabled", true, "password_validation"),
+        "lower": new Input(get("password_validation-lower"), "", 0, "enabled", true, "password_validation"),
+        "number": new Input(get("password_validation-number"), "", 1, "enabled", true, "password_validation"),
+        "special": new Input(get("password_validation-special"), "", 0, "enabled", true, "password_validation")
+    },
+    "email": {
+        "language": new LangSelect("email", get("email-language")),
+        "no_username": new Checkbox(get("email-no_username"), "method", true, "email"),
+        "use_24h": new BoolRadios("email-24h", "method", true, "email"),
+        "date_format": new Input(get("email-date_format"), "", "%d/%m/%y", "method", true, "email"),
+        "message": new Input(get("email-message"), window.messages["email"]["message"], "", "method", true, "email"),
+        "method": new Select(get("email-method"), "", false, "email", "method"),
+        "address": new Input(get("email-address"), "jellyfin@jellyf.in", "", "method", true, "email"),
+        "from": new Input(get("email-from"), "", "Jellyfin", "method", true, "email")
+    },
+    "password_resets": {
+        "enabled": new Checkbox(get("password_resets-enabled"), "", false, "password_resets", "enabled"),
+        "watch_directory": new Input(get("password_resets-watch_directory"), "", "", "enabled", true, "password_resets"),
+        "subject": new Input(get("password_resets-subject"), "", "", "enabled", true, "password_resets")
+    },
+    "notifications": {
+        "enabled": new Checkbox(get("notifications-enabled"))
+    },
+    "welcome_email": {
+        "enabled": new Checkbox(get("welcome_email-enabled"), "", false, "welcome_email", "enabled"),
+        "subject": new Input(get("welcome_email-subject"), "", "", "enabled", true, "welcome_email")
+    },
+    "invite_emails": {
+        "enabled": new Checkbox(get("invite_emails-enabled"), "", false, "invite_emails", "enabled"),
+        "subject": new Input(get("invite_emails-subject"), "", "", "enabled", true, "invite_emails"),
+        "url_base": new Input(get("invite_emails-url_base"), "", "", "enabled", true, "invite_emails")
+    },
+    "mailgun": {
+        "api_url": new Input(get("mailgun-api_url")),
+        "api_key": new Input(get("mailgun-api_key"))
+    },
+    "smtp": {
+        "username": new Input(get("smtp-username")),
+        "encryption": new Select(get("smtp-encryption")),
+        "server": new Input(get("smtp-server")),
+        "port": new Input(get("smtp-port")),
+        "password": new Input(get("smtp-password"))
+    },
 };
 
-document.getElementById('submitButton').onclick = () => {
-    const submitButton = document.getElementById('submitButton') as HTMLInputElement;
-    submitButton.disabled = true;
-    submitButton.innerHTML =`
-        <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true" style="margin-right: 0.5rem;"></span>
-        Submitting...
-    `;
-    let config = {};
-    config['jellyfin'] = {};
-    config['ui'] = {};
-    config['password_validation'] = {};
-    config['email'] = {};
-    config['password_resets'] = {};
-    config['invite_emails'] = {};
-    config['mailgun'] = {};
-    config['smtp'] = {};
-    config['notifications'] = {};
-    // Page 2: Auth
-    if ((document.getElementById('jfAuthRadio') as HTMLInputElement).checked) {
-        config['ui']['jellyfin_login'] = 'true';
-        config['ui']['admin_only'] = ""+(document.getElementById("jfAuthAdminOnly") as HTMLInputElement).checked;
+const relatedToEmail = Array.from(document.getElementsByClassName("related-to-email"));
+settings["email"]["method"].onchange = () => {
+    const val = settings["email"]["method"].value;
+    const smtp = document.getElementById("email-smtp");
+    const mailgun = document.getElementById("email-mailgun");
+    if (val == "smtp") {
+        smtp.classList.remove("unfocused");
+        mailgun.classList.add("unfocused");
+        for (let el of relatedToEmail) {
+            el.classList.remove("unfocused");
+        }
+    } else if (val == "mailgun") {
+        mailgun.classList.remove("unfocused");
+        smtp.classList.add("unfocused");
+        for (let el of relatedToEmail) {
+            el.classList.remove("unfocused");
+        }
     } else {
-        config['ui']['username'] = (document.getElementById('manualAuthUsername') as HTMLInputElement).value;
-        config['ui']['password'] = (document.getElementById('manualAuthPassword') as HTMLInputElement).value;
-        config['ui']['email'] = (document.getElementById('manualAuthEmail') as HTMLInputElement).value;
-    };
-    // Page 3: Connect to jellyfin
-    config['jellyfin']['server'] = (document.getElementById('jfHost') as HTMLInputElement).value;
-    let publicAddress = (document.getElementById('jfPublicHost') as HTMLInputElement).value;
-    if (publicAddress != "") {
-        config['jellyfin']['public_server'] = publicAddress;
+        mailgun.classList.add("unfocused");
+        smtp.classList.add("unfocused");
+        for (let el of relatedToEmail) {
+            el.classList.add("unfocused");
+        }
     }
-    config['jellyfin']['username'] = (document.getElementById('jfUser') as HTMLInputElement).value;
-    config['jellyfin']['password'] = (document.getElementById('jfPassword') as HTMLInputElement).value;
-    // Page 4: Email (Page 5, 6, 7 are only used if this is enabled)
-    if ((document.getElementById('emailDisabledRadio') as HTMLInputElement).checked) {
-        config['password_resets']['enabled'] = 'false';
-        config['invite_emails']['enabled'] = 'false';
-        config['notifications']['enabled'] = 'false';
-    } else {
-        if ((document.getElementById('emailSMTPRadio') as HTMLInputElement).checked) {
-            config['smtp']['encryption'] = (document.getElementById('emailSSL_TLS') as HTMLInputElement).checked ? "ssl_tls" : "starttls";
-            config['email']['method'] = 'smtp';
-            config['smtp']['server'] = (document.getElementById('emailSMTPServer') as HTMLInputElement).value;
-            config['smtp']['port'] = (document.getElementById('emailSMTPPort') as HTMLInputElement).value;
-            config['smtp']['password'] = (document.getElementById('emailSMTPPassword') as HTMLInputElement).value;
-            config['email']['address'] = (document.getElementById('emailSMTPAddress') as HTMLInputElement).value;
-        } else {
-            config['email']['method'] = 'mailgun';
-            config['mailgun']['api_url'] = (document.getElementById('emailMailgunURL') as HTMLInputElement).value;
-            config['mailgun']['api_key'] = (document.getElementById('emailMailgunKey') as HTMLInputElement).value;
-            config['email']['address'] = (document.getElementById('emailMailgunAddress') as HTMLInputElement).value;
-        };
-        config['notifications']['enabled'] = ""+(document.getElementById('notificationsEnabled') as HTMLInputElement).checked;
-        // Page 5: Email formatting
-        config['email']['from'] = (document.getElementById('emailSender') as HTMLInputElement).value;
-        config['email']['date_format'] = (document.getElementById('emailDateFormat') as HTMLInputElement).value;
-        config['email']['use_24h'] = ""+(document.getElementById('email24hTimeRadio') as HTMLInputElement).checked;
-        config['email']['message'] = (document.getElementById('emailMessage') as HTMLInputElement).value;
-        // Page 6: Password Resets
-        if (pwrEnabled.checked) {
-            config['password_resets']['enabled'] = 'true';
-            config['password_resets']['watch_directory'] = (document.getElementById('pwrJfPath') as HTMLInputElement).value;
-            config['password_resets']['subject'] = (document.getElementById('pwrSubject') as HTMLInputElement).value;
-        } else {
-            config['password_resets']['enabled'] = 'false';
-        };
-        // Page 7: Invite Emails
-        if ((document.getElementById('invEnabled') as HTMLInputElement).checked) {
-            config['invite_emails']['enabled'] = 'true';
-            config['invite_emails']['url_base'] = (document.getElementById('invURLBase') as HTMLInputElement).value;
-            config['invite_emails']['subject'] = (document.getElementById('invSubject') as HTMLInputElement).value;
-        } else {
-            config['invite_emails']['enabled'] = 'false';
-        };
-    };
-    // Page 8: Password Validation
-    if ((document.getElementById('valEnabled') as HTMLInputElement).checked) {
-        config['password_validation']['enabled'] = 'true';
-        config['password_validation']['min_length'] = (document.getElementById('valLength') as HTMLInputElement).value;
-        config['password_validation']['upper'] = (document.getElementById('valUpper') as HTMLInputElement).value;
-        config['password_validation']['lower'] = (document.getElementById('valLower') as HTMLInputElement).value;
-        config['password_validation']['number'] = (document.getElementById('valNumber') as HTMLInputElement).value;
-        config['password_validation']['special'] = (document.getElementById('valSpecial') as HTMLInputElement).value;
-    } else {
-        config['password_validation']['enabled'] = 'false';
-    };
-    // Page 9: Messages
-    config['ui']['contact_message'] = (document.getElementById('msgContact') as HTMLInputElement).value;
-    config['ui']['help_message'] = (document.getElementById('msgHelp') as HTMLInputElement).value;
-    config['ui']['success_message'] = (document.getElementById('msgSuccess') as HTMLInputElement).value;
-    // Send it
-    config["restart-program"] = true;
-    let req = new XMLHttpRequest();
-    req.open("POST", "/config", true);
-    req.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
-    req.responseType = 'json';
-    req.onreadystatechange = function() {
-        if (this.readyState == 4) {
-            submitButton.disabled = false;
-            submitButton.className = '';
-            submitButton.classList.add('btn', 'btn-success');
-            submitButton.textContent = 'Success';
-        };
-    };
-    req.send(JSON.stringify(config));
 };
 
+loadLangSelector("setup");