name: Development Build

on:
  pull_request:
    branches: [ main ]
  push:
    branches: [ main ]
    paths-ignore:
      - '**.md'
      - 'docs/**'
      - 'notebooks/**'
      - '.github/workflows/claude*.yml'
  workflow_dispatch:
    inputs:
      platform:
        description: 'Platform to build'
        required: true
        default: 'linux/amd64'
        type: choice
        options:
          - linux/amd64
          - linux/arm64
          - linux/amd64,linux/arm64

permissions:
  contents: read
  packages: write

env:
  GHCR_IMAGE: ghcr.io/lfnovo/open-notebook
  DOCKERHUB_IMAGE: lfnovo/open_notebook

jobs:
  extract-version:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
      has_dockerhub_secrets: ${{ steps.check.outputs.has_dockerhub_secrets }}
      is_push_to_main: ${{ steps.check.outputs.is_push_to_main }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Extract version from pyproject.toml
        id: version
        run: |
          VERSION=$(grep -m1 '^version = ' pyproject.toml | cut -d'"' -f2)
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Extracted version: $VERSION"

      - name: Check environment
        id: check
        env:
          SECRET_DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          SECRET_DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          # Check for Docker Hub credentials
          if [[ -n "$SECRET_DOCKER_USERNAME" && -n "$SECRET_DOCKER_PASSWORD" ]]; then
            echo "has_dockerhub_secrets=true" >> $GITHUB_OUTPUT
            echo "Docker Hub credentials available"
          else
            echo "has_dockerhub_secrets=false" >> $GITHUB_OUTPUT
            echo "Docker Hub credentials not available"
          fi

          # Check if this is a push to main (not a PR)
          if [[ "${{ github.event_name }}" == "push" && "${{ github.ref }}" == "refs/heads/main" ]]; then
            echo "is_push_to_main=true" >> $GITHUB_OUTPUT
            echo "This is a push to main - will publish v1-dev tags"
          else
            echo "is_push_to_main=false" >> $GITHUB_OUTPUT
            echo "This is a PR or manual run - test build only"
          fi

  build-regular:
    needs: extract-version
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Free up disk space
        if: needs.extract-version.outputs.is_push_to_main == 'true'
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /usr/local/lib/android
          sudo rm -rf /opt/ghc
          sudo rm -rf /opt/hostedtoolcache/CodeQL
          sudo docker image prune --all --force
          df -h

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

      - name: Login to GitHub Container Registry
        if: needs.extract-version.outputs.is_push_to_main == 'true'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Login to Docker Hub
        if: needs.extract-version.outputs.is_push_to_main == 'true' && needs.extract-version.outputs.has_dockerhub_secrets == 'true'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache-dev
          key: ${{ runner.os }}-buildx-dev-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-dev-

      - name: Prepare Docker tags
        id: tags
        run: |
          if [[ "${{ needs.extract-version.outputs.is_push_to_main }}" == "true" ]]; then
            # Push to main: build and push v1-dev tags
            TAGS="${{ env.GHCR_IMAGE }}:v1-dev"
            if [[ "${{ needs.extract-version.outputs.has_dockerhub_secrets }}" == "true" ]]; then
              TAGS="${TAGS},${{ env.DOCKERHUB_IMAGE }}:v1-dev"
            fi
            echo "tags=${TAGS}" >> $GITHUB_OUTPUT
            echo "push=true" >> $GITHUB_OUTPUT
            echo "platforms=linux/amd64,linux/arm64" >> $GITHUB_OUTPUT
          else
            # PR or manual: test build only
            echo "tags=${{ env.DOCKERHUB_IMAGE }}:${{ needs.extract-version.outputs.version }}-dev" >> $GITHUB_OUTPUT
            echo "push=false" >> $GITHUB_OUTPUT
            echo "platforms=${{ github.event.inputs.platform || 'linux/amd64' }}" >> $GITHUB_OUTPUT
          fi

      - name: Build and push regular image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: ${{ steps.tags.outputs.platforms }}
          push: ${{ steps.tags.outputs.push }}
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: type=local,src=/tmp/.buildx-cache-dev
          cache-to: type=local,dest=/tmp/.buildx-cache-dev-new,mode=max

      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache-dev
          mv /tmp/.buildx-cache-dev-new /tmp/.buildx-cache-dev

  build-single:
    needs: extract-version
    # Only build single image on push to main
    if: needs.extract-version.outputs.is_push_to_main == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Free up disk space
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /usr/local/lib/android
          sudo rm -rf /opt/ghc
          sudo rm -rf /opt/hostedtoolcache/CodeQL
          sudo docker image prune --all --force
          df -h

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

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

      - name: Login to Docker Hub
        if: needs.extract-version.outputs.has_dockerhub_secrets == 'true'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Cache Docker layers
        uses: actions/cache@v3
        with:
          path: /tmp/.buildx-cache-dev-single
          key: ${{ runner.os }}-buildx-dev-single-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-dev-single-

      - name: Prepare Docker tags
        id: tags
        run: |
          TAGS="${{ env.GHCR_IMAGE }}:v1-dev-single"
          if [[ "${{ needs.extract-version.outputs.has_dockerhub_secrets }}" == "true" ]]; then
            TAGS="${TAGS},${{ env.DOCKERHUB_IMAGE }}:v1-dev-single"
          fi
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT

      - name: Build and push single-container image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.single
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: type=local,src=/tmp/.buildx-cache-dev-single
          cache-to: type=local,dest=/tmp/.buildx-cache-dev-single-new,mode=max

      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache-dev-single
          mv /tmp/.buildx-cache-dev-single-new /tmp/.buildx-cache-dev-single

  summary:
    needs: [extract-version, build-regular, build-single]
    runs-on: ubuntu-latest
    if: always()
    steps:
      - name: Development Build Summary
        run: |
          echo "## Development Build Summary" >> $GITHUB_STEP_SUMMARY
          echo "**Version:** ${{ needs.extract-version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "**Event:** ${{ github.event_name }}" >> $GITHUB_STEP_SUMMARY
          echo "**Push to Main:** ${{ needs.extract-version.outputs.is_push_to_main }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          if [[ "${{ needs.extract-version.outputs.is_push_to_main }}" == "true" ]]; then
            echo "### Published Tags:" >> $GITHUB_STEP_SUMMARY

            if [[ "${{ needs.build-regular.result }}" == "success" ]]; then
              echo "✅ **Regular:** \`${{ env.GHCR_IMAGE }}:v1-dev\`" >> $GITHUB_STEP_SUMMARY
              if [[ "${{ needs.extract-version.outputs.has_dockerhub_secrets }}" == "true" ]]; then
                echo "✅ **Regular (Docker Hub):** \`${{ env.DOCKERHUB_IMAGE }}:v1-dev\`" >> $GITHUB_STEP_SUMMARY
              fi
            else
              echo "❌ **Regular:** Build failed" >> $GITHUB_STEP_SUMMARY
            fi

            if [[ "${{ needs.build-single.result }}" == "success" ]]; then
              echo "✅ **Single:** \`${{ env.GHCR_IMAGE }}:v1-dev-single\`" >> $GITHUB_STEP_SUMMARY
              if [[ "${{ needs.extract-version.outputs.has_dockerhub_secrets }}" == "true" ]]; then
                echo "✅ **Single (Docker Hub):** \`${{ env.DOCKERHUB_IMAGE }}:v1-dev-single\`" >> $GITHUB_STEP_SUMMARY
              fi
            elif [[ "${{ needs.build-single.result }}" == "skipped" ]]; then
              echo "⏭️ **Single:** Skipped" >> $GITHUB_STEP_SUMMARY
            else
              echo "❌ **Single:** Build failed" >> $GITHUB_STEP_SUMMARY
            fi

            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Platforms:" >> $GITHUB_STEP_SUMMARY
            echo "- linux/amd64" >> $GITHUB_STEP_SUMMARY
            echo "- linux/arm64" >> $GITHUB_STEP_SUMMARY
          else
            echo "### Test Build Results:" >> $GITHUB_STEP_SUMMARY
            if [[ "${{ needs.build-regular.result }}" == "success" ]]; then
              echo "✅ **Dockerfile:** Build successful" >> $GITHUB_STEP_SUMMARY
            else
              echo "❌ **Dockerfile:** Build failed" >> $GITHUB_STEP_SUMMARY
            fi
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Notes:" >> $GITHUB_STEP_SUMMARY
            echo "- This is a test build (no images pushed to registry)" >> $GITHUB_STEP_SUMMARY
            echo "- Merge to main to publish \`v1-dev\` tags" >> $GITHUB_STEP_SUMMARY
            echo "- For stable releases, use the 'Build and Release' workflow" >> $GITHUB_STEP_SUMMARY
          fi