name: Build and Push Telemt Panel Docker Image

on:
  push:
    branches: [main, develop, 'feature/**', 'release/**', 'hotfix/**']
    tags: ['v*']
    paths: ['**']
  pull_request:
    branches: [main, develop]
    paths: ['**']

jobs:
  build-and-push:
    if: startsWith(gitea.ref, 'refs/tags/v') || (gitea.ref_name == 'main' && gitea.event_name == 'push')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: git.shts.su
          username: ${{ gitea.actor }}
          password: ${{ secrets.ACTIONS_PAT }}

      - name: Create version file
        run: |
          VERSION=$(cat VERSION)
          BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
          BRANCH="${{ gitea.ref_name }}"
          echo "APP_VERSION=${VERSION}" > ./version.txt
          echo "BUILD_DATE=${BUILD_DATE}" >> ./version.txt
          echo "GIT_BRANCH=${BRANCH}" >> ./version.txt
          echo "GIT_COMMIT=${{ gitea.sha }}" >> ./version.txt
          echo "GIT_COMMIT_SHORT=$(echo ${{ gitea.sha }} | cut -c1-7)" >> ./version.txt
          echo "BUILD_TIMESTAMP=$(date -u +%s)" >> ./version.txt

      # Docker registry names must be lowercase (Gitea repo is telemtPanel).
      - name: Resolve image name
        id: image
        run: |
          IMAGE_REPO="git.shts.su/$(echo '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')"
          echo "name=${IMAGE_REPO}" >> "$GITHUB_OUTPUT"
          echo "name=${IMAGE_REPO}" >> "$GITEA_OUTPUT"
          echo "Resolved image: ${IMAGE_REPO}"

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.image.outputs.name }}
          tags: |
            type=semver,pattern={{version}}
            type=raw,value=latest,enable=${{ gitea.ref_name == 'main' }}
            type=sha,prefix={{date 'YYYYMMDD'}}-,enable=${{ gitea.ref_name == 'main' }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            NODE_VERSION=22.23.0-bookworm-slim
          cache-from: type=registry,ref=${{ steps.image.outputs.name }}:buildcache
          cache-to: type=registry,ref=${{ steps.image.outputs.name }}:buildcache,mode=max
          provenance: true

  create-release:
    needs: build-and-push
    if: startsWith(gitea.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate changelog
        id: changelog
        run: |
          LAST_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          if [[ -n "$LAST_TAG" ]]; then
            CHANGELOG=$(git log --pretty=format:"- **%h** %s (%an, %ar)" --no-merges ${LAST_TAG}..HEAD 2>/dev/null || echo "")
          else
            CHANGELOG=$(git log --pretty=format:"- **%h** %s (%an, %ar)" --no-merges -10 2>/dev/null || echo "")
          fi
          if [[ -z "$CHANGELOG" ]]; then CHANGELOG="- No changes detected"; fi
          echo "CHANGELOG<<EOF" >> $GITEA_OUTPUT
          echo "$CHANGELOG" >> $GITEA_OUTPUT
          echo "EOF" >> $GITEA_OUTPUT

      - name: Create Release
        run: |
          VERSION="${{ gitea.ref_name }}"
          IMAGE_REPO="git.shts.su/$(echo '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')"
          RELEASE_DATA=$(cat <<EOF
          {
            "tag_name": "${VERSION}",
            "target_commitish": "${{ gitea.sha }}",
            "name": "telemt-panel ${VERSION}",
            "body": "## telemt-panel ${VERSION}\n\n### Docker\n\n\`\`\`bash\ndocker pull ${IMAGE_REPO}:${VERSION}\ndocker run -d --network host -e PANEL_MODE=standalone -e TELEMT_API_URL=http://127.0.0.1:9091 -e JWT_SECRET=change-me -e BOOTSTRAP_PASSWORD=change-me -v /var/lib/telemt-panel:/data --name telemt-panel ${IMAGE_REPO}:${VERSION}\n\`\`\`\n\nСм. docs/install.md\n\n### Changelog\n\n${{ steps.changelog.outputs.CHANGELOG }}",
            "draft": false,
            "prerelease": false
          }
          EOF
          )
          HTTP_CODE=$(curl -s -w "%{http_code}" -o /tmp/release.json -X POST \
            -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "$RELEASE_DATA" \
            "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases")
          if [ "$HTTP_CODE" -eq 201 ] || [ "$HTTP_CODE" -eq 409 ]; then
            echo "Release OK (HTTP $HTTP_CODE)"
          else
            cat /tmp/release.json
            exit 1
          fi