name: 'Release: Patch from Comment'

on:
  issue_comment:
    types: ['created']

jobs:
  slash-command:
    runs-on: 'ubuntu-latest'
    # Only run if the comment is from a human user (not automated)
    if: "github.event.comment.user.type == 'User' && github.event.comment.user.login != 'github-actions[bot]'"
    permissions:
      contents: 'write'
      pull-requests: 'write'
      actions: 'write'
    steps:
      - name: 'Checkout'
        uses: 'actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8'
        with:
          fetch-depth: 1

      - name: 'Slash Command Dispatch'
        id: 'slash_command'
        uses: 'peter-evans/slash-command-dispatch@40877f718dce0101edfc7aea2b3800cc192f9ed5'
        with:
          token: '${{ secrets.GITHUB_TOKEN }}'
          commands: 'patch'
          permission: 'write'
          issue-type: 'pull-request'
          static-args: |
            dry_run=false

      - name: 'Acknowledge Patch Command'
        if: "startsWith(github.event.comment.body, '/patch')"
        uses: 'peter-evans/create-or-update-comment@67dcc547d311b736a8e6c5c236542148a47adc3d'
        with:
          issue-number: '${{ github.event.issue.number }}'
          body: |
            👋 Patch command received! Processing...

            You can track the progress here: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}

      - name: 'Get PR Status'
        id: 'pr_status'
        if: "startsWith(github.event.comment.body, '/patch')"
        env:
          GH_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
        run: |
          gh pr view "${{ github.event.issue.number }}" --json mergeCommit,state > pr_status.json
          echo "MERGE_COMMIT_SHA=$(jq -r .mergeCommit.oid pr_status.json)" >> "$GITHUB_OUTPUT"
          echo "STATE=$(jq -r .state pr_status.json)" >> "$GITHUB_OUTPUT"

      - name: 'Dispatch if Merged'
        if: "steps.pr_status.outputs.STATE == 'MERGED'"
        uses: 'actions/github-script@00f12e3e20659f42342b1c0226afda7f7c042325'
        env:
          COMMENT_BODY: '${{ github.event.comment.body }}'
        with:
          script: |
            // Parse the comment body directly to extract channel
            const commentBody = process.env.COMMENT_BODY;
            console.log('Comment body:', commentBody);

            let channel = 'stable';  // default

            // Parse different formats:
            // /patch channel=preview
            // /patch --channel preview
            // /patch preview
            if (commentBody.includes('channel=preview')) {
              channel = 'preview';
            } else if (commentBody.includes('--channel preview')) {
              channel = 'preview';
            } else if (commentBody.trim() === '/patch preview') {
              channel = 'preview';
            }

            // Validate channel
            if (channel !== 'stable' && channel !== 'preview') {
              throw new Error(`Invalid channel: ${channel}. Must be 'stable' or 'preview'.`);
            }

            console.log('Detected channel:', channel);

            github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'release-patch-1-create-pr.yml',
              ref: 'main',
              inputs: {
                commit: '${{ steps.pr_status.outputs.MERGE_COMMIT_SHA }}',
                channel: channel,
                dry_run: 'false',
                original_pr: '${{ github.event.issue.number }}'
              }
            })

      - name: 'Comment on Failure'
        if: "startsWith(github.event.comment.body, '/patch') && steps.pr_status.outputs.STATE != 'MERGED'"
        uses: 'peter-evans/create-or-update-comment@67dcc547d311b736a8e6c5c236542148a47adc3d'
        with:
          issue-number: '${{ github.event.issue.number }}'
          body: |
            :x: The `/patch` command failed. This pull request must be merged before a patch can be created.