name: 'Patch from Comment'

on:
  issue_comment:
    types: ['created']

jobs:
  slash-command:
    runs-on: 'ubuntu-latest'
    steps:
      - 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: 'Get PR Status'
        id: 'pr_status'
        if: "steps.slash_command.outputs.dispatched == 'true'"
        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'
        with:
          script: |
            const args = JSON.parse('${{ steps.slash_command.outputs.command-arguments }}');
            github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'create-patch-pr.yml',
              ref: 'main',
              inputs: {
                commit: '${{ steps.pr_status.outputs.MERGE_COMMIT_SHA }}',
                channel: args.channel,
                dry_run: args.dry_run
              }
            })

      - name: 'Comment on Failure'
        if: "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.