name: Canary

on:
  workflow_run:
    workflows: ["CI"]
    branches: [main]
    types: [completed]

permissions:
  contents: write
  actions: read

jobs:
  canary-release:
    name: Publish Canary Release
    if: github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.workflow_run.head_sha }}

      - name: Get last release tag
        id: last_tag
        run: |
          tag=$(git describe --tags --abbrev=0 --match "v*.*.*" 2>/dev/null || echo "none")
          echo "tag=$tag" >> "$GITHUB_OUTPUT"

      - name: Generate changelog since last release tag
        uses: orhun/git-cliff-action@v4
        id: cliff
        with:
          config: cliff.toml
          args: --unreleased --strip header
        env:
          OUTPUT: CHANGES.md
          GITHUB_REPO: ${{ github.repository }}

      - name: Prepend header to changelog
        run: |
          last="${{ steps.last_tag.outputs.tag }}"
          sha="${{ github.event.workflow_run.head_sha }}"
          short="${sha:0:7}"
          if [ "$last" != "none" ]; then
            header="Changes since **$last** ([full diff](https://github.com/${{ github.repository }}/compare/${last}...${sha}))\n\n"
          else
            header="Changes up to \`${short}\`\n\n"
          fi
          printf "%b" "$header" | cat - CHANGES.md > CHANGES.tmp && mv CHANGES.tmp CHANGES.md

      - name: Download artifacts from CI run
        uses: dawidd6/action-download-artifact@v6
        with:
          run_id: ${{ github.event.workflow_run.id }}
          path: artifacts/

      - name: Package artifacts
        run: |
          declare -A platform_map=(
            ["build-windows-2022"]="darkflame-universe-windows"
            ["build-ubuntu-22.04"]="darkflame-universe-linux"
            ["build-macos-15-intel"]="darkflame-universe-macos"
          )
          cd artifacts
          for dir in */; do
            name="${dir%/}"
            out="${platform_map[$name]:-$name}"
            zip -r "../${out}.zip" "$dir"
          done
          cd ..
          ls -lh *.zip

      - name: Delete existing canary release
        run: gh release delete canary --yes --cleanup-tag 2>/dev/null || true
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create canary pre-release
        uses: ncipollo/release-action@v1
        with:
          tag: canary
          name: "Canary ${{ steps.last_tag.outputs.tag }}+${{ github.event.workflow_run.head_sha }}"
          bodyFile: CHANGES.md
          artifacts: "*.zip"
          artifactContentType: application/zip
          token: ${{ secrets.GITHUB_TOKEN }}
          prerelease: true
          draft: false
          allowUpdates: true
          removeArtifacts: true
          commit: ${{ github.event.workflow_run.head_sha }}