name: Publish Release
on:
  push:
    tags:
      - "3.[0-9]+.[0-9]+"

jobs:
  release_information:
    if: github.repository == 'Cog-Creators/Red-DiscordBot'
    name: GO HERE BEFORE APPROVING
    runs-on: ubuntu-latest
    steps:
      # Checkout repository and install Python
      - uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.8'

      # Get version to release
      - name: Get version to release
        id: version_to_release
        run: |
          python .github/workflows/scripts/bump_version.py
        env:
          PYTHONPATH: ${{ github.workspace }}:${{ env.PYTHONPATH }}
          JUST_RETURN_VERSION: '1'

      # Print release information
      - name: REVIEW OUTPUT OF THIS STEP BEFORE APPROVING
        env:
          TAG_BASE_BRANCH: ${{ github.event.base_ref }}
          TAG_REF_NAME: ${{ github.ref }}
          RELEASE_VERSION: ${{ steps.version_to_release.outputs.version }}
        run: |
          echo 'Release information:'
          echo "- Branch the tag was based off: ${TAG_BASE_BRANCH#'refs/heads/'}"
          echo "- Tag name: ${TAG_REF_NAME#'refs/tags/'}"
          echo "- Release version: $RELEASE_VERSION"

          echo "TAG_NAME=${TAG_REF_NAME#'refs/tags/'}" >> $GITHUB_ENV

      - name: Ensure the tag name corresponds to the released version
        env:
          RELEASE_VERSION: ${{ steps.version_to_release.outputs.version }}
        run: |
          if [[ "$TAG_NAME" != "$RELEASE_VERSION" ]]; then
              echo -n "The tag name ($TAG_NAME) is not the same as"
              echo " the release version ($RELEASE_VERSION)!"
              exit 1
          else
              echo "The tag name and the release version are the same ($TAG_NAME)."
              echo 'Continuing...'
          fi

  build:
    name: Build package
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.8'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade build twine

      - name: Build
        run: python -m build
      - name: Check built distributions
        run: python -m twine check dist/*

      - name: Upload packaged distributions
        uses: actions/upload-artifact@v3
        with:
          name: build-output
          path: ./dist

  generate_default_ll_server_config:
    name: Generate default application.yml
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.8'

      - name: Install script's dependencies
        run: python -m pip install PyYAML

      - name: Generate default application.yml
        env:
          APP_YML_FILE: "Red-DiscordBot-${{ github.ref_name }}-default-lavalink-application.yml"
        run: |
          mkdir -p dist
          python .github/workflows/scripts/get_default_ll_server_config.py "dist/$APP_YML_FILE"

      - name: Upload default application.yml
        uses: actions/upload-artifact@v3
        with:
          name: ll-default-server-config
          path: ./dist

  release_to_pypi:
    needs:
      - release_information
      - build
      - generate_default_ll_server_config
    environment: Release
    name: Release to PyPI
    runs-on: ubuntu-latest
    permissions:
      id-token: write
    steps:
      - name: Download packaged distributions
        uses: actions/download-artifact@v3
        with:
          name: build-output
          path: dist/

      - name: Download default application.yml
        uses: actions/download-artifact@v3
        with:
          name: ll-default-server-config
          path: dist/

      - name: Upload dists to GitHub Release
        env:
          GITHUB_TOKEN: "${{ github.token }}"
        run: |
          gh release upload "$GITHUB_REF_NAME" dist/*

      - name: Publish package distributions to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          # This is already checked during the build.
          verify-metadata: false
          # Allow security-minded people to verify whether the files on PyPI
          # were automatically uploaded by a CI script.
          print-hash: true

  pr_dev_bump:
    permissions:
      contents: write
      pull-requests: write
    needs: release_to_pypi
    name: Update Red version number to dev
    runs-on: ubuntu-latest
    steps:
      - name: Get base branch
        env:
          TAG_BASE_BRANCH: ${{ github.event.base_ref }}
        run: |
          echo "BASE_BRANCH=${TAG_BASE_BRANCH#'refs/heads/'}" >> $GITHUB_ENV

      - uses: actions/checkout@v3
        with:
          ref: ${{ env.BASE_BRANCH }}
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.8'

      # Version bump to development version
      - name: Update Red version number to dev
        id: bump_version_dev
        run: |
          python .github/workflows/scripts/bump_version.py
        env:
          PYTHONPATH: ${{ github.workspace }}:${{ env.PYTHONPATH }}
          DEV_BUMP: '1'

      # Get milestone number of the milestone for the old version
      - name: Get milestone number
        id: get_milestone_number
        uses: actions/github-script@v6
        env:
          MILESTONE_TITLE: ${{ steps.bump_version_dev.outputs.old_version }}
        with:
          script: |
            const script = require(
              `${process.env.GITHUB_WORKSPACE}/.github/workflows/scripts/get_milestone_number_by_exact_title.js`
            );
            return await script({github, context});

      - name: Create Pull Request
        id: cpr_bump_dev
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: Version bump to ${{ steps.bump_version_dev.outputs.new_version }}
          title: Version bump to ${{ steps.bump_version_dev.outputs.new_version }}
          body: |
            This is an automated PR.
            Please ensure that there are no errors or invalid files are in the PR.
          labels: "Automated PR, Changelog Entry: Skipped"
          branch: "automated/pr_bumps/${{ steps.bump_version_dev.outputs.new_version }}"
          author: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
          milestone: ${{ steps.get_milestone_number.outputs.result }}
          base: ${{ env.BASE_BRANCH }}

      - name: Close and reopen the PR with different token to trigger CI
        uses: actions/github-script@v6
        env:
          PR_NUMBER: ${{ steps.cpr_bump_dev.outputs.pull-request-number }}
          PR_OPERATION: ${{ steps.cpr_bump_dev.outputs.pull-request-operation }}
        with:
          github-token: ${{ secrets.cogcreators_bot_repo_scoped }}
          script: |
            const script = require(
              `${process.env.GITHUB_WORKSPACE}/.github/workflows/scripts/close_and_reopen_pr.js`
            );
            console.log(await script({github, context}));