name: Release Web

on:
  release:
    types: [released, prereleased]
  workflow_dispatch:
    inputs:
      ref:
        description: "Git ref (branch, tag, or SHA) to build"
        required: false
        default: ""
      tag_name:
        description: "Tag to use for artifacts/images (defaults to <sha>)"
        required: false
        default: ""
      attach_to_release:
        description: "Upload build.tar to an existing GitHub Release (requires tag_name)"
        required: false
        type: boolean
        default: false

permissions:
  contents: write
  packages: write

env:
  REGISTRY_IMAGE: ghcr.io/${{ github.repository }}

jobs:
  release-web:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ inputs.ref != '' && inputs.ref || github.ref }}

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm
          cache-dependency-path: '**/pnpm-lock.yaml'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build web package
        working-directory: packages/web
        run: pnpm run build

      - name: Create release archive
        working-directory: packages/web
        run: pnpm run package

      - name: Upload archive (artifact)
        uses: actions/upload-artifact@v4
        with:
          name: web-build
          path: packages/web/dist/build.tar
          if-no-files-found: error

      - name: Attach archive to GitHub Release
        if: ${{ github.event_name == 'release' || inputs.attach_to_release == true }}
        uses: softprops/action-gh-release@v2
        with:
          files: packages/web/dist/build.tar
          tag_name: ${{ github.event_name == 'release' && github.event.release.tag_name || inputs.tag_name }}
          fail_on_unmatched_files: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # Compute created timestamp & short SHA for labels/tags
      - name: Compute meta
        id: gen
        shell: bash
        run: |
          echo "created=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> "$GITHUB_OUTPUT"
          echo "shortsha=$(git rev-parse --short=12 HEAD)" >> "$GITHUB_OUTPUT"

      # Build/tag matrix:
      # - For release events: vX.Y.Z, semver helpers, and latest (only if NOT prerelease)
      # - For prerelease events: vX.Y.Z and semver helpers (NO latest)
      # - For manual runs:
      #     * if tag_name set: that raw tag
      #     * else: adhoc-<shortsha>
      - name: Docker metadata (tags & labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          labels: |
            org.opencontainers.image.source=${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.created=${{ steps.gen.outputs.created }}
          tags: |
            # Full release (semantic tag)
            type=raw,value=${{ github.event.release.tag_name }},enable=${{ github.event_name == 'release' }}
            # Semver helpers (major, major.minor) for releases/prereleases
            type=semver,pattern={{version}},value=${{ github.event.release.tag_name }},enable=${{ github.event_name == 'release' }}
            type=semver,pattern={{major}}.{{minor}},value=${{ github.event.release.tag_name }},enable=${{ github.event_name == 'release' && github.event.release.prerelease == false }}
            type=semver,pattern={{major}},value=${{ github.event.release.tag_name }},enable=${{ github.event_name == 'release' && github.event.release.prerelease == false }}
            # Latest only for full releases (not prereleases)
            type=raw,value=latest,enable=${{ github.event_name == 'release' && github.event.release.prerelease == false }}
            # Manual: provided tag_name
            type=raw,value=${{ inputs.tag_name }},enable=${{ github.event_name == 'workflow_dispatch' && inputs.tag_name != '' }}
            # Manual: fallback to adhoc-<shortsha>
            type=raw,value=adhoc-${{ steps.gen.outputs.shortsha }},enable=${{ github.event_name == 'workflow_dispatch' && inputs.tag_name == '' }}
            # Always add immutable sha tag for traceability
            type=raw,value=sha-${{ steps.gen.outputs.shortsha }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Push images for:
      # - release (released or prereleased)
      # - manual with a tag_name (adhoc builds can still be pushed by name)
      - name: Build and push image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./packages/web/infra/Containerfile
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.tag_name != '') }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          provenance: false 

      - name: Output image refs
        if: ${{ github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.tag_name != '') }}
        run: |
          echo "🖼️ Pushed tags:"
          echo "${{ steps.meta.outputs.tags }}"
          echo
          echo "Pull examples:"
          if [[ "${{ github.event_name }}" == "release" && "${{ github.event.release.prerelease }}" == "false" ]]; then
            echo "  docker pull ${{ env.REGISTRY_IMAGE }}:latest"
          fi
          # Always available:
          echo "  docker pull ${{ env.REGISTRY_IMAGE }}:${{ github.event.release.tag_name || inputs.tag_name || format('adhoc-{0}', steps.gen.outputs.shortsha) }}"
          echo "  docker pull ${{ env.REGISTRY_IMAGE }}:sha-${{ steps.gen.outputs.shortsha }}"

      - name: Explain no image push
        if: ${{ !(github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.tag_name != '')) }}
        run: echo "ℹ️ No image pushed (manual run without tag_name)."