release.yml

name: Release

on:
  push:
    tags:
      - 'v*.*.*'
      - 'v*.*.*-*'
  workflow_dispatch:

permissions:
  contents: write
  packages: write

env:
  GO_VERSION: '1.24'
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  test:
    name: Run Tests
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Checkout Code
        uses: actions/checkout@v6

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: true

      - name: Run Tests
        run: |
          go test -v -race -coverprofile=coverage.out ./...
          go tool cover -func=coverage.out

      - name: Upload Coverage
        uses: codecov/codecov-action@v5
        with:
          files: ./coverage.out
          flags: unittests
          name: codecov-umbrella

  build-and-release:
    name: Build & Release
    runs-on: ubuntu-latest
    if: always() && startsWith(github.ref, 'refs/tags/')
    needs: test
    steps:
      - name: Checkout Code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: true

      - name: Extract Version Info
        id: version
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          GIT_COMMIT=$(git rev-parse HEAD)
          BUILD_TIME=$(date -u '+%Y-%m-%d_%H:%M:%S_UTC')

          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "git_commit=${GIT_COMMIT}" >> $GITHUB_OUTPUT
          echo "build_time=${BUILD_TIME}" >> $GITHUB_OUTPUT
          echo "is_prerelease=$([[ $VERSION == *-* ]] && echo true || echo false)" >> $GITHUB_OUTPUT

      - name: Build Binaries
        env:
          CGO_ENABLED: 0
        run: |
          mkdir -p dist
          LDFLAGS="-s -w \
            -X github.com/valpere/shopogoda/internal/version.Version=${{ steps.version.outputs.version }} \
            -X github.com/valpere/shopogoda/internal/version.GitCommit=${{ steps.version.outputs.git_commit }} \
            -X github.com/valpere/shopogoda/internal/version.BuildTime=${{ steps.version.outputs.build_time }}"

          GOOS=linux GOARCH=amd64 go build -ldflags="${LDFLAGS}" -o dist/shopogoda-linux-amd64 ./cmd/bot
          GOOS=linux GOARCH=arm64 go build -ldflags="${LDFLAGS}" -o dist/shopogoda-linux-arm64 ./cmd/bot
          GOOS=darwin GOARCH=amd64 go build -ldflags="${LDFLAGS}" -o dist/shopogoda-darwin-amd64 ./cmd/bot
          GOOS=darwin GOARCH=arm64 go build -ldflags="${LDFLAGS}" -o dist/shopogoda-darwin-arm64 ./cmd/bot
          GOOS=windows GOARCH=amd64 go build -ldflags="${LDFLAGS}" -o dist/shopogoda-windows-amd64.exe ./cmd/bot

      - name: Create Checksums
        run: |
          cd dist
          sha256sum shopogoda-* > checksums.txt

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker Metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}},enable=${{ !startsWith(github.ref, 'refs/tags/v0.') }}
            type=sha,prefix={{branch}}-

      - name: Build and Push Docker Image
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./docker/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          build-args: |
            VERSION=${{ steps.version.outputs.version }}
            GIT_COMMIT=${{ steps.version.outputs.git_commit }}
            BUILD_TIME=${{ steps.version.outputs.build_time }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Generate Changelog
        id: changelog
        run: |
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

          if [ -z "$PREVIOUS_TAG" ]; then
            echo "changelog<<EOF" >> $GITHUB_OUTPUT
            echo "🎉 Initial release of ShoPogoda Weather Bot" >> $GITHUB_OUTPUT
            echo "" >> $GITHUB_OUTPUT
            echo "See [CHANGELOG.md](https://github.com/${{ github.repository }}/blob/main/CHANGELOG.md) for details." >> $GITHUB_OUTPUT
            echo "EOF" >> $GITHUB_OUTPUT
          else
            echo "changelog<<EOF" >> $GITHUB_OUTPUT
            echo "## Changes since ${PREVIOUS_TAG}" >> $GITHUB_OUTPUT
            echo "" >> $GITHUB_OUTPUT
            git log ${PREVIOUS_TAG}..HEAD --pretty=format:"- %s (%h)" --no-merges >> $GITHUB_OUTPUT
            echo "" >> $GITHUB_OUTPUT
            echo "" >> $GITHUB_OUTPUT
            echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${PREVIOUS_TAG}...${{ github.ref_name }}" >> $GITHUB_OUTPUT
            echo "EOF" >> $GITHUB_OUTPUT
          fi

      - name: Create GitHub Release
        uses: actions/github-script@v9
        with:
          script: |
            const fs = require('fs');
            const version = '${{ steps.version.outputs.version }}';
            const isPrerelease = ${{ steps.version.outputs.is_prerelease }};
            const changelog = `${{ steps.changelog.outputs.changelog }}`;
            const repository = '${{ github.repository }}';

            // Create release body
            const dockerCmd = 'docker pull ghcr.io/' + repository + ':' + version.replace('v', '');
            const installSection = '\n\n## 📦 Installation\n\n' +
              '### Docker\n```bash\n' + dockerCmd + '\n```\n\n' +
              '### Binary Download\n' +
              'Download the binary for your platform from the assets below and run:\n' +
              '```bash\nchmod +x shopogoda-*\n./shopogoda-*\n```\n\n' +
              '### Quick Start\n' +
              'See [DEMO_SETUP.md](https://github.com/' + repository + '/blob/main/docs/DEMO_SETUP.md) for complete setup instructions.\n\n' +
              '## 📊 Checksums\n' +
              'See `checksums.txt` asset for SHA256 checksums of all binaries.\n\n' +
              '## 🐛 Bug Reports\n' +
              'Report issues at https://github.com/' + repository + '/issues\n';

            const releaseBody = changelog + installSection;

            // Create the release
            const release = await github.rest.repos.createRelease({
              owner: context.repo.owner,
              repo: context.repo.repo,
              tag_name: version,
              name: `ShoPogoda ${version}`,
              body: releaseBody,
              draft: false,
              prerelease: isPrerelease,
              generate_release_notes: false
            });

            console.log(`✅ Created release: ${release.data.html_url}`);

            // Upload binaries
            const files = [
              'dist/shopogoda-linux-amd64',
              'dist/shopogoda-linux-arm64',
              'dist/shopogoda-darwin-amd64',
              'dist/shopogoda-darwin-arm64',
              'dist/shopogoda-windows-amd64.exe',
              'dist/checksums.txt'
            ];

            for (const filepath of files) {
              const filename = filepath.split('/').pop();
              console.log(`Uploading ${filename}...`);

              await github.rest.repos.uploadReleaseAsset({
                owner: context.repo.owner,
                repo: context.repo.repo,
                release_id: release.data.id,
                name: filename,
                data: fs.readFileSync(filepath)
              });
            }

            console.log('✅ All assets uploaded');