name: Build and Push Images

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
    paths:
      - 'dockerfiles/**'
      - '.gitea/workflows/build-push.yaml'
  pull_request:
    branches:
      - main
    paths:
      - 'dockerfiles/**'
      - '.gitea/workflows/build-push.yaml'
  workflow_dispatch:
    inputs:
      image:
        description: 'Image to build (all, nvidia, rdna2, strixhalo, intel)'
        required: false
        default: 'all'

env:
  # Use internal K8s service URL for container registry (runner is in-cluster)
  REGISTRY: gitea-http.gitea.svc.cluster.local:3000/daviestechlabs
  REGISTRY_HOST: gitea-http.gitea.svc.cluster.local:3000
  NTFY_URL: http://ntfy.observability.svc.cluster.local:80

jobs:
  # Determine semantic version BEFORE building images
  determine-version:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
      bump: ${{ steps.version.outputs.bump }}
      should_release: ${{ steps.version.outputs.should_release }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Calculate semantic version
        id: version
        run: |
          # Skip version calculation for PRs and tag pushes
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            echo "version=pr-${{ github.event.number }}" >> $GITHUB_OUTPUT
            echo "bump=none" >> $GITHUB_OUTPUT
            echo "should_release=false" >> $GITHUB_OUTPUT
            exit 0
          fi
          
          # For tag pushes, use the tag directly
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            VERSION="${{ github.ref_name }}"
            echo "version=$VERSION" >> $GITHUB_OUTPUT
            echo "bump=tag" >> $GITHUB_OUTPUT
            echo "should_release=false" >> $GITHUB_OUTPUT
            exit 0
          fi
          
          # Get latest tag or default to v0.0.0
          LATEST=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
          VERSION=${LATEST#v}
          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"
          
          # Check commit message for version bump keywords
          MSG="${{ github.event.head_commit.message }}"
          if echo "$MSG" | grep -qiE "^major:|BREAKING CHANGE"; then
            MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0
            BUMP="major"
          elif echo "$MSG" | grep -qiE "^(minor:|feat:|feature:)"; then
            MINOR=$((MINOR + 1)); PATCH=0
            BUMP="minor"
          else
            PATCH=$((PATCH + 1))
            BUMP="patch"
          fi
          
          NEW_VERSION="v${MAJOR}.${MINOR}.${PATCH}"
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "bump=$BUMP" >> $GITHUB_OUTPUT
          echo "should_release=true" >> $GITHUB_OUTPUT
          echo "📦 Version: $LATEST → $NEW_VERSION ($BUMP bump)"

  build-nvidia:
    needs: [determine-version]
    # Skip if commit message contains [skip images] or [ray-serve only]
    if: |
      !contains(github.event.head_commit.message, '[skip images]') &&
      !contains(github.event.head_commit.message, '[ray-serve only]') &&
      (github.event_name != 'workflow_dispatch' || github.event.inputs.image == 'all' || github.event.inputs.image == 'nvidia')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          # Configure buildx to use HTTP for internal registry
          buildkitd-config-inline: |
            [registry."gitea-http.gitea.svc.cluster.local:3000"]
              http = true
              insecure = true

      # Login to Docker Hub to avoid pull rate limits
      - name: Login to Docker Hub
        if: vars.DOCKERHUB_USERNAME != ''
        uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Login to Gitea registry (uses docker/login-action for buildx compatibility)
      - name: Login to Gitea Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/ray-worker-nvidia
          tags: |
            type=raw,value=${{ needs.determine-version.outputs.version }}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: dockerfiles/Dockerfile.ray-worker-nvidia
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  build-rdna2:
    needs: [determine-version]
    if: |
      !contains(github.event.head_commit.message, '[skip images]') &&
      !contains(github.event.head_commit.message, '[ray-serve only]') &&
      (github.event_name != 'workflow_dispatch' || github.event.inputs.image == 'all' || github.event.inputs.image == 'rdna2')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          buildkitd-config-inline: |
            [registry."gitea-http.gitea.svc.cluster.local:3000"]
              http = true
              insecure = true

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

      - name: Login to Gitea Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/ray-worker-rdna2
          tags: |
            type=raw,value=${{ needs.determine-version.outputs.version }}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: dockerfiles/Dockerfile.ray-worker-rdna2
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  build-strixhalo:
    needs: [determine-version]
    if: |
      !contains(github.event.head_commit.message, '[skip images]') &&
      !contains(github.event.head_commit.message, '[ray-serve only]') &&
      (github.event_name != 'workflow_dispatch' || github.event.inputs.image == 'all' || github.event.inputs.image == 'strixhalo')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          buildkitd-config-inline: |
            [registry."gitea-http.gitea.svc.cluster.local:3000"]
              http = true
              insecure = true

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

      - name: Login to Gitea Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/ray-worker-strixhalo
          tags: |
            type=raw,value=${{ needs.determine-version.outputs.version }}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: dockerfiles/Dockerfile.ray-worker-strixhalo
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  build-intel:
    needs: [determine-version]
    if: |
      !contains(github.event.head_commit.message, '[skip images]') &&
      !contains(github.event.head_commit.message, '[ray-serve only]') &&
      (github.event_name != 'workflow_dispatch' || github.event.inputs.image == 'all' || github.event.inputs.image == 'intel')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          buildkitd-config-inline: |
            [registry."gitea-http.gitea.svc.cluster.local:3000"]
              http = true
              insecure = true

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

      - name: Login to Gitea Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/ray-worker-intel
          tags: |
            type=raw,value=${{ needs.determine-version.outputs.version }}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: dockerfiles/Dockerfile.ray-worker-intel
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  release:
    name: Release
    runs-on: ubuntu-latest
    needs: [determine-version, build-nvidia, build-rdna2, build-strixhalo, build-intel]
    if: needs.determine-version.outputs.should_release == 'true' && gitea.ref == 'refs/heads/main' && gitea.event_name == 'push'
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Create and push tag
        run: |
          VERSION="${{ needs.determine-version.outputs.version }}"
          BUMP="${{ needs.determine-version.outputs.bump }}"
          echo "📦 Creating release tag: $VERSION ($BUMP bump)"
          git config user.name "gitea-actions[bot]"
          git config user.email "actions@git.daviestechlabs.io"
          git tag -a "$VERSION" -m "Release $VERSION ($BUMP)"
          git push origin "$VERSION"

  notify:
    name: Notify
    runs-on: ubuntu-latest
    needs: [determine-version, build-nvidia, build-rdna2, build-strixhalo, build-intel, release]
    if: always()
    steps:
      - name: Notify on success
        if: |
          (needs.build-nvidia.result == 'success' || needs.build-nvidia.result == 'skipped') &&
          (needs.build-rdna2.result == 'success' || needs.build-rdna2.result == 'skipped') &&
          (needs.build-strixhalo.result == 'success' || needs.build-strixhalo.result == 'skipped') &&
          (needs.build-intel.result == 'success' || needs.build-intel.result == 'skipped')
        run: |
          curl -s \
            -H "Title: ✅ Images Built: ${{ gitea.repository }}" \
            -H "Priority: default" \
            -H "Tags: white_check_mark,docker" \
            -H "Click: ${{ gitea.server_url }}/${{ gitea.repository }}/actions/runs/${{ gitea.run_id }}" \
            -d "Branch: ${{ gitea.ref_name }}
          Version: ${{ needs.determine-version.outputs.version }} (${{ needs.determine-version.outputs.bump }})
          nvidia: ${{ needs.build-nvidia.result }}
          rdna2: ${{ needs.build-rdna2.result }}
          strixhalo: ${{ needs.build-strixhalo.result }}
          intel: ${{ needs.build-intel.result }}
          Release: ${{ needs.release.result == 'success' && 'created' || 'skipped' }}" \
            ${{ env.NTFY_URL }}/gitea-ci

      - name: Notify on failure
        if: |
          needs.build-nvidia.result == 'failure' ||
          needs.build-rdna2.result == 'failure' ||
          needs.build-strixhalo.result == 'failure' ||
          needs.build-intel.result == 'failure'
        run: |
          curl -s \
            -H "Title: ❌ Image Build Failed: ${{ gitea.repository }}" \
            -H "Priority: high" \
            -H "Tags: x,docker" \
            -H "Click: ${{ gitea.server_url }}/${{ gitea.repository }}/actions/runs/${{ gitea.run_id }}" \
            -d "Branch: ${{ gitea.ref_name }}
          Version: ${{ needs.determine-version.outputs.version }}
          nvidia: ${{ needs.build-nvidia.result }}
          rdna2: ${{ needs.build-rdna2.result }}
          strixhalo: ${{ needs.build-strixhalo.result }}
          intel: ${{ needs.build-intel.result }}" \
            ${{ env.NTFY_URL }}/gitea-ci