name: release

on:
  push:
    branches: [main]
  workflow_dispatch: {}

permissions:
  contents: write

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    # The binary must be pure Go (no cgo); pinning this makes every go command
    # below type-check and build exactly what build.sh builds, regardless of
    # which C compilers happen to exist on the runner.
    env:
      CGO_ENABLED: "0"
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      # Sanity checks before shipping a binary.
      - name: Vet (windows target)
        run: GOOS=windows GOARCH=amd64 go vet ./...

      # Pure packages only; the GUI code cannot be exercised on Linux.
      - name: Test pure packages
        run: go test ./auth/... ./config/... ./dalamud/... ./sqex/... ./logx/...

      # Mirror build.sh exactly, including the buildID stamp that
      # launcher.log's first line reports at startup.
      - name: Build windows/amd64
        run: |
          buildid=$(git rev-parse --short HEAD)
          mkdir -p dist
          CGO_ENABLED=0 GOOS=windows GOARCH=amd64 \
            go build -trimpath -ldflags="-s -w -X main.buildID=$buildid" \
            -o "dist/ffxiv-tiny-launcher-windows_amd64.exe" .
          echo "built dist exe (buildID=$buildid)"

      # Tag = short commit hash, so the release tag always matches the buildID
      # baked into the exe and printed in launcher.log.
      - name: Create GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          tag=$(git rev-parse --short HEAD)
          subject=$(git log -1 --pretty=%s)
          # A re-run of this workflow on the same commit must not fail on an
          # existing tag/release.
          gh release delete "$tag" --cleanup-tag --yes >/dev/null 2>&1 || true
          notes=$(printf 'Built from %s - %s\n\n- ffxiv-tiny-launcher-windows_amd64.exe (buildID=%s)' \
            "$GITHUB_SHA" "$subject" "$tag")
          gh release create "$tag" --prerelease --title "Build $tag" \
            --notes "$notes" dist/ffxiv-tiny-launcher-windows_amd64.exe