name: Docker Image (Nightly)

on:
  schedule:
    # Run every night at 5:00 UTC
    - cron: '0 5 * * *'

env:
  REGISTRY: docker.io
  IMAGE_NAME: sillyangel/mice

jobs:
  check_changes:
    runs-on: ubuntu-latest
    outputs:
      should_build: ${{ steps.check.outputs.should_build }}
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Get full history to check for changes
          ref: dev # Always checkout dev branch

      - name: Check for changes since last nightly build
        id: check
        run: |
          # Get the last commit hash from the previous nightly build
          LAST_NIGHTLY_COMMIT=$(gh api repos/${{ github.repository }}/actions/runs \
            --jq '.workflow_runs[] | select(.name == "Development Docker Image (Nightly)" and .conclusion == "success") | .head_sha' \
            | head -1 || echo "")
          
          CURRENT_COMMIT=${{ github.sha }}
          
          echo "Last nightly commit: $LAST_NIGHTLY_COMMIT"
          echo "Current commit: $CURRENT_COMMIT"
          
          # If we don't have a previous commit or commits are different, we should build
          if [ -z "$LAST_NIGHTLY_COMMIT" ] || [ "$LAST_NIGHTLY_COMMIT" != "$CURRENT_COMMIT" ]; then
            echo "Changes detected or first nightly build"
            echo "should_build=true" >> $GITHUB_OUTPUT
          else
            echo "No changes since last nightly build"
            echo "should_build=false" >> $GITHUB_OUTPUT
          fi
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  push_to_registry:
    runs-on: ubuntu-latest
    needs: check_changes
    if: needs.check_changes.outputs.should_build == 'true' && github.ref_name == 'dev'
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          ref: dev # Always checkout dev branch

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Get version from package.json
        id: app_version
        run: |
          VERSION=$(node -p "require('./package.json').version")
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Docker metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=nightly
            type=raw,value=dev-latest
          labels: |
            org.opencontainers.image.created=${{ github.event.head_commit.timestamp }}
            org.opencontainers.image.licenses=MIT
            org.opencontainers.image.description=Nightly development build

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

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: |
            network=host
      
      - name: Build and push
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: |
            ${{ steps.meta.outputs.labels }}
            org.opencontainers.image.description=$(cat README.md | head -20 | tr '\n' ' ')
            org.opencontainers.image.documentation=https://github.com/sillyangel/stillnavidrome/blob/main/README.md
          platforms: |
            linux/amd64
            linux/arm64/v8
          cache-from: |
            type=gha,scope=deps-only
          cache-to: |
            type=gha,mode=max,scope=deps-only

      # - name: Docker Hub Description
      #   uses: peter-evans/dockerhub-description@v4
      #   with:
      #     username: ${{ vars.DOCKERHUB_USERNAME }}
      #     password: ${{ secrets.DOCKERHUB_TOKEN }}
      #     repository: sillyangel/mice