name: Build and Push Backend Docker Image

on:
  push:
    branches:
      - master
    paths:
      - 'media_manager/**'
      - 'alembic/**'
      - 'alembic.ini'
      - 'Dockerfile'
      - 'pyproject.toml'
      - 'uv.lock'
      - '.github/workflows/build-push-backend.yml'
      - 'tests/**'
      - 'web/**'

  pull_request:
    paths:
      - 'media_manager/**'
      - 'alembic/**'
      - 'alembic.ini'
      - 'Dockerfile'
      - 'pyproject.toml'
      - 'uv.lock'
      - '.github/workflows/build-push-backend.yml'
      - 'tests/**'
      - 'web/**'

  release:
    types: [published]

  workflow_dispatch:

jobs:
  lint-backend:
    name: Lint Python Code
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: astral-sh/ruff-action@v3
        with:
          src: "./media_manager"

  lint-frontend:
    name: Lint Frontend
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24'
          cache: 'npm'
          cache-dependency-path: './web/package-lock.json'
      - name: Install dependencies
        run: npm ci
        working-directory: ./web
      - name: Lint code
        run: npm run lint
        working-directory: ./web

  build-and-push:
    needs: [lint-frontend, lint-backend]
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: amd64
            runner: ubuntu-24.04
          - arch: arm64
            runner: ubuntu-24.04-arm
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      packages:  write
    env:
      QUAY_ORG: ${{ secrets.QUAY_ORG || github.repository_owner }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set repository name to lowercase
        id: repo_name
        run: echo "name=$(echo '${{ github.event.repository.name }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          install: true
          driver-opts: image=moby/buildkit:rootless

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to Quay
        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
        uses: docker/login-action@v3
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_PASSWORD }}

      - name: Extract version
        id: version
        run: |
          if [[ "${{ github.event_name }}" == "release" ]]; then
            VERSION="${{ github.event.release.tag_name }}"
          elif [[ "${{ github.ref_type }}" == "tag" ]]; then
            VERSION="${{ github.ref_name }}"
          else
            DATE_STAMP=$(date -u +'%Y.%m.%d')
            VERSION="dev-${DATE_STAMP}-${{ github.run_number }}"
          fi
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          VERSION_NO_V=${VERSION#v}
          echo "version_no_v=$VERSION_NO_V" >> $GITHUB_OUTPUT

      - name: Extract metadata (tags + labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ github.repository_owner }}/${{ steps.repo_name.outputs.name }}/mediamanager
            quay.io/${{ env.QUAY_ORG }}/mediamanager
          tags: |
            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
            type=raw,value=${{ steps.version.outputs.version }},enable=${{ github.event_name != 'release' }}
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha
          flavor: |
            suffix=-${{ matrix.arch }},onlatest=true

      - name: Build and push arch image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/${{ matrix.arch }}
          push: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ steps.version.outputs.version }}
            BASE_PATH=

  publish-manifests:
    needs: build-and-push
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
    runs-on: ubuntu-24.04
    permissions:
      contents: read
      packages: write
    env:
      QUAY_ORG: ${{ secrets.QUAY_ORG }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set repository name to lowercase
        id: repo_name
        run: echo "name=$(echo '${{ github.event.repository.name }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

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

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to Quay
        uses: docker/login-action@v3
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_PASSWORD }}

      - name: Extract version
        id: version
        run: |
          if [[ "${{ github.event_name }}" == "release" ]]; then
            VERSION="${{ github.event.release.tag_name }}"
          elif [[ "${{ github.ref_type }}" == "tag" ]]; then
            VERSION="${{ github.ref_name }}"
          else
            DATE_STAMP=$(date -u +'%Y.%m.%d')
            VERSION="dev-${DATE_STAMP}-${{ github.run_number }}"
          fi
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          VERSION_NO_V=${VERSION#v}
          echo "version_no_v=$VERSION_NO_V" >> $GITHUB_OUTPUT

      - name: Extract metadata (tags + labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ github.repository_owner }}/${{ steps.repo_name.outputs.name }}/mediamanager
            quay.io/${{ env.QUAY_ORG }}/mediamanager
          tags: |
            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
            type=raw,value=${{ steps.version.outputs.version }},enable=${{ github.event_name != 'release' }}
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha

      - name: Create and push multi-arch manifests
        run: |
          set -euo pipefail
          mapfile -t TAGS <<< "${{ steps.meta.outputs.tags }}"
          for TAG in "${TAGS[@]}"; do
            docker buildx imagetools create \
              --tag "${TAG}" \
              "${TAG}-amd64" \
              "${TAG}-arm64"
          done

      - name: Inspect image (GHCR)
        run: |
          docker buildx imagetools inspect ghcr.io/${{ github.repository_owner }}/${{ steps.repo_name.outputs.name }}/mediamanager:${{ steps.version.outputs.version_no_v }}

      - name: Inspect image (Quay)
        run: |
          docker buildx imagetools inspect quay.io/${{ env.QUAY_ORG }}/mediamanager:${{ steps.version.outputs.version_no_v }}