name: Release

on:
  push:
    branches: [develop]
    tags: ['v*']

env:
  REGISTRY: ghcr.io
  IMAGE_BASE: ghcr.io/dictionarry-hub

permissions:
  contents: read

jobs:
  # ─── Build per-arch Docker images ──────────────────────────────────────

  docker:
    name: Docker (${{ matrix.image }} / ${{ matrix.platform }})
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      packages: write

    strategy:
      fail-fast: false
      matrix:
        include:
          - image: profilarr
            dockerfile: Dockerfile
            platform: linux/amd64
            runner: ubuntu-latest
          - image: profilarr
            dockerfile: Dockerfile
            platform: linux/arm64
            runner: ubuntu-24.04-arm
          - image: profilarr-parser
            dockerfile: Dockerfile.parser
            platform: linux/amd64
            runner: ubuntu-latest
          - image: profilarr-parser
            dockerfile: Dockerfile.parser
            platform: linux/arm64
            runner: ubuntu-24.04-arm

    steps:
      - uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to GHCR
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine channel
        id: channel
        run: |
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            echo "value=stable" >> $GITHUB_OUTPUT
          else
            echo "value=develop" >> $GITHUB_OUTPUT
          fi

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.IMAGE_BASE }}/${{ matrix.image }}
          labels: |
            org.opencontainers.image.licenses=AGPL-3.0

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: ${{ matrix.platform }}
          build-args: |
            VITE_CHANNEL=${{ steps.channel.outputs.value }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.IMAGE_BASE }}/${{ matrix.image }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=registry,ref=${{ env.IMAGE_BASE }}/${{ matrix.image }}:buildcache-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}
          cache-to: type=registry,ref=${{ env.IMAGE_BASE }}/${{ matrix.image }}:buildcache-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }},mode=max

      - name: Export digest
        id: digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          echo "hash=${digest#sha256:}" >> "$GITHUB_OUTPUT"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v7
        with:
          name: digest--${{ matrix.image }}--${{ steps.digest.outputs.hash }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  # ─── Merge into multi-arch manifest ────────────────────────────────────

  manifest:
    name: Manifest (${{ matrix.image }})
    needs: [docker]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    strategy:
      matrix:
        image: [profilarr, profilarr-parser]

    steps:
      - name: Download digests
        uses: actions/download-artifact@v8
        with:
          pattern: digest--${{ matrix.image }}--*
          path: /tmp/digests
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to GHCR
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.IMAGE_BASE }}/${{ matrix.image }}
          tags: |
            type=raw,value=develop,enable=${{ github.ref == 'refs/heads/develop' }}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
            type=semver,pattern={{version}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create \
            $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.IMAGE_BASE }}/${{ matrix.image }}@sha256:%s ' *)

      - name: Inspect manifest
        run: |
          docker buildx imagetools inspect ${{ env.IMAGE_BASE }}/${{ matrix.image }}:${{ steps.meta.outputs.version }}