name: Deploy to GitHub

on:
  push:
    tags:
    - '*-r*'

  workflow_dispatch:
    inputs:
      ref:
        description: Tag
        required: true

jobs:
  package:
    uses: ./.github/workflows/package.yml
    with:
      dfhack_ref: ${{ github.event.inputs && github.event.inputs.ref || github.event.ref }}
      append-date-and-hash: false
      cache-readonly: true
      launchdf: true
    secrets: inherit

  create-update-release:
    name: Draft GitHub release
    needs: package
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
    - name: Install doc dependencies
      run: pip install 'sphinx<4.4.0'
    - name: Clone DFHack
      uses: actions/checkout@v3
      with:
        ref: ${{ github.event.inputs && github.event.inputs.ref || github.event.ref }}
        submodules: true
    - name: Get tag
      id: gettag
      run: |
        TAG=$(git describe --tags --abbrev=0 --exact-match)
        echo name="$TAG" >> $GITHUB_OUTPUT
        echo type=$(echo "$TAG" | egrep 'r[0-9]+$' && echo "release" || echo "prerelease") >> $GITHUB_OUTPUT
    - name: Generate release text
      run: |
        python docs/gen_changelog.py -a
        CHANGELOG_FILE=docs/changelogs/${{ steps.gettag.outputs.name }}-github.txt
        if ! test -f $CHANGELOG_FILE; then CHANGELOG_FILE=docs/changelogs/future-github.txt; fi
        TOKEN_LINE=$(grep -Fhne '%RELEASE_NOTES%' .github/release_template.md | sed 's/:.*//')
        head -n $((TOKEN_LINE - 1)) .github/release_template.md > release_body.md
        CHANGELOG_LINES=$(wc -l <$CHANGELOG_FILE)
        tail -n $((CHANGELOG_LINES - 3)) $CHANGELOG_FILE >> release_body.md
        tail -n 2 .github/release_template.md >> release_body.md
        cat release_body.md
    - name: Stage release
      uses: actions/download-artifact@v3
    - name: Prep artifacts
      run: |
        mkdir artifacts
        cd dfhack-windows64-build
        tar xjf dfhack-windows64-build.tar.bz2
        rm dfhack-windows64-build.tar.bz2
        zip -qr ../artifacts/dfhack-${{ steps.gettag.outputs.name }}-Windows-64bit.zip .
        cd ../dfhack-linux64-build
        mv dfhack-linux64-build.tar.bz2 ../artifacts/dfhack-${{ steps.gettag.outputs.name }}-Linux-64bit.tar.bz2
    - name: Create or update GitHub release
      uses: ncipollo/release-action@v1
      with:
        artifacts: "artifacts/dfhack-*"
        bodyFile: "release_body.md"
        allowUpdates: true
        artifactErrorsFailBuild: true
        draft: true
        name: "DFHack ${{ steps.gettag.outputs.name }}"
        omitBodyDuringUpdate: true
        omitDraftDuringUpdate: true
        omitNameDuringUpdate: true
        omitPrereleaseDuringUpdate: true
        prerelease: ${{ steps.gettag.outputs.type == 'prerelease' }}
        replacesArtifacts: true
        tag: ${{ steps.gettag.outputs.name }}