name: Docker Compose Build Latest Main Image Tag (Manual Dispatch)

on:
  workflow_dispatch:

permissions:
  contents: read
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - target: api-build
            file: Dockerfile.multi
            image_name: librechat-api
          - target: node
            file: Dockerfile
            image_name: librechat

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: main
          fetch-depth: 0

      - name: Fetch tags and set the latest tag
        run: |
          set -euo pipefail
          git fetch --tags --force
          LATEST_TAG=$(git tag --list 'v[0-9]*' --sort=-v:refname | grep -E '^v[0-9]+[.][0-9]+[.][0-9]+$' | head -n 1)
          if [ -z "$LATEST_TAG" ]; then
            echo "::error::No stable v<semver> tag found"
            exit 1
          fi
          printf 'LATEST_TAG=%s\n' "$LATEST_TAG" >> "$GITHUB_ENV"

      - name: Compute build metadata
        run: |
          printf 'BUILD_COMMIT=%s\n' "$(git rev-parse HEAD)" >> "$GITHUB_ENV"
          printf 'BUILD_BRANCH=main\n' >> "$GITHUB_ENV"
          printf 'BUILD_DATE=%s\n' "$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> "$GITHUB_ENV"

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

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

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

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

      # Prepare the environment
      - name: Prepare environment
        run: |
          cp .env.example .env

      # Build and push Docker images for each target
      - name: Build and push Docker images
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ${{ matrix.file }}
          push: true
          tags: |
            ghcr.io/${{ github.repository_owner }}/${{ matrix.image_name }}:${{ env.LATEST_TAG }}
            ghcr.io/${{ github.repository_owner }}/${{ matrix.image_name }}:latest
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.image_name }}:${{ env.LATEST_TAG }}
            ${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.image_name }}:latest
          platforms: linux/amd64,linux/arm64
          target: ${{ matrix.target }}
          build-args: |
            BUILD_COMMIT=${{ env.BUILD_COMMIT }}
            BUILD_BRANCH=${{ env.BUILD_BRANCH }}
            BUILD_DATE=${{ env.BUILD_DATE }}