name: Commands
on:
  issue_comment:
    types:
      - created
      - edited
  pull_request_target:
    types:
      - labeled
      - synchronize

jobs:
  rebase:
    name: Rebase
    if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '@jellyfin-bot rebase') && github.event.comment.author_association == 'MEMBER'
    runs-on: ubuntu-latest
    steps:
      - name: Notify as seen
        uses: peter-evans/create-or-update-comment@v1.4.5
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          comment-id: ${{ github.event.comment.id }}
          reactions: '+1'

      - name: Checkout the latest code
        uses: actions/checkout@v2
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          fetch-depth: 0

      - name: Automatic Rebase
        uses: cirrus-actions/rebase@1.4
        env:
          GITHUB_TOKEN: ${{ secrets.JF_BOT_TOKEN }}

  check-backport:
    name: Check Backport
    if: ${{ ( github.event.issue.pull_request && contains(github.event.comment.body, '@jellyfin-bot check backport') ) || github.event.label.name == 'stable backport' || contains(github.event.pull_request.labels.*.name, 'stable backport' ) }}
    runs-on: ubuntu-latest
    steps:
      - name: Notify as seen
        uses: peter-evans/create-or-update-comment@v1.4.5
        if: ${{ github.event.comment != null }}
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          comment-id: ${{ github.event.comment.id }}
          reactions: eyes

      - name: Checkout the latest code
        uses: actions/checkout@v2
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          fetch-depth: 0

      - name: Notify as running
        id: comment_running
        uses: peter-evans/create-or-update-comment@v1.4.5
        if: ${{ github.event.comment != null }}
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          issue-number: ${{ github.event.issue.number }}
          body: |
            Running backport tests...

      - name: Perform test backport
        id: run_tests
        run: |
          set +o errexit
          git config --global user.name "Jellyfin Bot"
          git config --global user.email "team@jellyfin.org"
          CURRENT_BRANCH="origin/${GITHUB_HEAD_REF}"
          git checkout master
          git merge --no-ff ${CURRENT_BRANCH}
          MERGE_COMMIT_HASH=$( git log -q -1 | head -1 | awk '{ print $2 }' )
          git fetch --all
          CURRENT_STABLE=$( git branch -r | grep 'origin/release' | sort -rV | head -1 | awk -F '/' '{ print $NF }' )
          stable_branch="Current stable release branch: ${CURRENT_STABLE}"
          echo ${stable_branch}
          echo ::set-output name=branch::${stable_branch}
          git checkout -t origin/${CURRENT_STABLE} -b ${CURRENT_STABLE}
          git cherry-pick -sx -m1 ${MERGE_COMMIT_HASH} &>output.txt
          retcode=$?
          cat output.txt | grep -v 'hint:'
          output="$( grep -v 'hint:'  output.txt )"
          output="${output//'%'/'%25'}"
          output="${output//$'\n'/'%0A'}"
          output="${output//$'\r'/'%0D'}" 
          echo ::set-output name=output::$output
          exit ${retcode}

      - name: Notify with result success
        uses: peter-evans/create-or-update-comment@v1.4.5
        if: ${{ github.event.comment != null && success() }}
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          comment-id: ${{ steps.comment_running.outputs.comment-id }}
          body: |
            ${{ steps.run_tests.outputs.branch }}
            Output from `git cherry-pick`:

            ---

            ${{ steps.run_tests.outputs.output }}
          reactions: hooray

      - name: Notify with result failure
        uses: peter-evans/create-or-update-comment@v1.4.5
        if: ${{ github.event.comment != null && failure() }}
        with:
          token: ${{ secrets.JF_BOT_TOKEN }}
          comment-id: ${{ steps.comment_running.outputs.comment-id }}
          body: |
            ${{ steps.run_tests.outputs.branch }}
            Output from `git cherry-pick`:

            ---

            ${{ steps.run_tests.outputs.output }}
          reactions: confused