feat: migrate `check_tool`

Co-authored-by: NotAShelf <raf@notashelf.dev>

flameshot-v2.sh

@@ -13,6 +13,11 @@
 # ! Upload mode (ass=0,cheek=1)
 MODE=0
 
+# Function to check if a tool is installed
+check_tool() {
+	command -v "$1" >/dev/null 2>&1
+}
+
 # Mode string switcher
 get_mode() {
     if [[ $MODE -eq 0 ]];
@@ -29,14 +34,25 @@ FILE="$IMGPATH/$(get_mode)-$(date +%s).png"
 TOKEN=$(cat $IMGPATH/.token)
 DOMAIN=$(cat $IMGPATH/.domain)
 
-# Build dynamic Flameshot user-agent
-USERAGENT=$(flameshot -v | sed -n -E 's/(Flameshot) (v[0-9]+\.[0-9]+\.[0-9]+) .+/\1-\2/p')
+takeScreenshot() {
+    REQUIRED_TOOLS=("flameshot" "curl" "xclip" "notify-send")
+
+    # Check if the proper tools are installed
+    for tool in "${REQUIRED_TOOLS[@]}"; do
+        if ! check_tool "$tool"; then
+            echo "Error: $tool is missing!"
+            exit 1
+        fi
+    done
+
+    # Build dynamic Flameshot user-agent
+    USERAGENT=$(flameshot -v | sed -n -E 's/(Flameshot) (v[0-9]+\.[0-9]+\.[0-9]+) .+/\1-\2/p')
 
-# Take screenshot with Flameshot
-flameshot gui -r -p "$FILE" > /dev/null # Append the random gibberish to /dev/null
+    # Take screenshot with Flameshot
+    flameshot gui -r -p "$FILE" > /dev/null # Append the random gibberish to /dev/null
 
-# Upload file
-if [ -f "$FILE" ]; then
+    # Upload file
+    if [ -f "$FILE" ]; then
         echo "Uploading $FILE to $(get_mode)..."
 
         # Configure upload fields
@@ -61,10 +77,13 @@ if [ -f "$FILE" ]; then
         # Copy the URL to clipboard (using printf instead of echo to avoid a newline)
         printf "%s" "$URL" | xclip -sel clip
         echo "URL copied: $URL"
-    notify-send -a $(get_mode) -t 2000 "URL copied to clipboard" "<a href=\"$URL\">View in browser</a>"
+        notify-send -a $(get_mode) -t 4000 "URL copied to clipboard" "<a href=\"$URL\">View in browser</a>"
 
         # Delete local file
         rm "$FILE"
-else 
+    else 
         echo "Aborted."
-fi
+    fi
+}
+
+takeScreenshot