name: release

on:
  push:
    branches:
      - master
    tags:
      - 'v*'
  # allows to manually trigger a build
  workflow_dispatch:
    inputs:
      assemble_release:
        description: create release
        required: false
        default: false
        type: boolean

permissions:
  contents: write

jobs:
  build:
    uses: ./.github/workflows/build.yml

  # only the game data differs per language, every package gets the same executables
  assemble:
    needs: build
    # a manual run only assembles when asked for it. Otherwise every tag does,
    # and master does in the upstream repository, which is the only one with
    # somewhere to publish to
    if: >-
      ${{ github.event_name == 'workflow_dispatch' && inputs.assemble_release
          || github.event_name != 'workflow_dispatch'
             && ( ( github.repository == '1dot13/source' && github.ref_name == 'master' )
                  || startsWith(github.ref, 'refs/tags/v') ) }}
    runs-on: windows-latest # required for case-insensitive filesystem handling
    # at least English has to work
    continue-on-error: ${{ matrix.language != 'English' }}
    strategy:
      fail-fast: false
      matrix:
        language: [Chinese, German, English, French, Polish, Italian, Dutch, Russian]

    steps:
      - name: Download versions.env
        uses: actions/download-artifact@v8
        with:
          name: versions.env
          path: artifacts
      - name: Restore versions.env
        shell: bash
        run: cat artifacts/versions.env >> $GITHUB_ENV

      # blob:none plus a sparse checkout fetches only the game data, not the
      # engine source; both directories come from the same pinned commit
      - name: Checkout gamedir and gamedir-languages
        uses: actions/checkout@v7
        with:
          filter: 'blob:none'
          sparse-checkout: |
            gamedir
            gamedir-languages

      - name: Copy gamedir-languages files to gamedir
        if: matrix.language != 'English'
        shell: bash
        run: |
          set -eux
          cp -a gamedir-languages/${{ matrix.language }}_Version/* gamedir/

      - name: Download applications
        uses: actions/download-artifact@v8
        with:
          pattern: ja2*
          path: artifacts

      - name: Copy application files to gamedir
        shell: bash
        run: |
          set -eux
          for APP in ja2 ja2mapeditor ja2ub ja2ubmapeditor
          do
            mv artifacts/${APP}/${APP}.exe gamedir/${APP}.exe
          done

      - name: Create version information file
        shell: bash
        run: |
          set -eux

          # "-" separates words, "_" combines words, see double-click behavior
          DIST_PREFIX='JA2_113'
          DIST_NAME="${DIST_PREFIX}-${GAME_VERSION}-${{ matrix.language }}"
          echo "DIST_NAME=$DIST_NAME" >> $GITHUB_ENV

          echo "If you encounter problems during gameplay, please provide the following version information:
          Distribution Name: $DIST_NAME
          Game Version: $GAME_VERSION
          Language: ${{ matrix.language }}
          Build Information: $GAME_BUILD_INFORMATION
          Source Repository: $GITHUB_REPOSITORY
          Source Commit SHA: $GITHUB_SHA
          Source Commit Date: $SOURCE_COMMIT_DATETIME
          " > "gamedir/${DIST_PREFIX}-Version.txt"
          cat "gamedir/${DIST_PREFIX}-Version.txt"

      - name: Create release archive
        shell: bash
        run: |
          set -eux
          mkdir dist/
          cd gamedir/
          7z a -bb -xr'!.*' "../dist/${DIST_NAME}.7z" .

      - name: Upload
        uses: actions/upload-artifact@v7
        with:
          name: ${{ matrix.language }}_release
          path: dist/
          compression-level: 0

  # a skipped assemble skips this too, so it needs no condition of its own
  release:
    needs: assemble
    runs-on: ubuntu-latest

    steps:
    - name: Download artifacts
      uses: actions/download-artifact@v8
      with:
        path: dist
        pattern: '*_release'
        merge-multiple: true

    - name: Checkout Repo
      uses: actions/checkout@v7
      with:
        path: source
        fetch-depth: 1
        sparse-checkout: 'README.md'
    - name: Create latest pre-release
      if: github.ref == 'refs/heads/master'
      working-directory: source
      run: |
        gh release delete latest --cleanup-tag || true
        git tag -d latest || true
        git push --delete origin refs/tags/latest || true
        git tag latest
        git push --force origin refs/tags/latest
        sleep 15 # make sure github can find the tag for gh release
        gh release create latest ../dist/* \
          --generate-notes \
          --title "Latest (unstable)" \
          --verify-tag \
          --prerelease
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Upload to tagged release
      if: startsWith(github.ref, 'refs/tags/v')
      working-directory: source
      run: |
        gh release upload "$GITHUB_REF_NAME" ../dist/* --clobber
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}