name: Release

on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: '1.26'

      - name: Run tests
        run: |
          go vet ./...
          go test ./...

      - name: Build binaries
        run: |
          VERSION=${GITHUB_REF_NAME}
          mkdir -p dist

          GOOS=linux GOARCH=amd64 go build -ldflags "-s -w -X main.version=${VERSION}" -o dist/review-bot-linux-amd64 ./cmd/review-bot
          GOOS=linux GOARCH=arm64 go build -ldflags "-s -w -X main.version=${VERSION}" -o dist/review-bot-linux-arm64 ./cmd/review-bot
          GOOS=darwin GOARCH=amd64 go build -ldflags "-s -w -X main.version=${VERSION}" -o dist/review-bot-darwin-amd64 ./cmd/review-bot
          GOOS=darwin GOARCH=arm64 go build -ldflags "-s -w -X main.version=${VERSION}" -o dist/review-bot-darwin-arm64 ./cmd/review-bot

          cd dist && sha256sum * > checksums.txt

      - name: Create release and upload assets
        env:
          GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
          VERSION=${GITHUB_REF_NAME}
          GITEA_URL="${{ github.server_url }}"
          REPO="${{ github.repository }}"

          # Create release (or find existing one for this tag)
          HTTP_CODE=$(curl -s -o /tmp/release_response.json -w "%{http_code}" -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            "${GITEA_URL}/api/v1/repos/${REPO}/releases" \
            -d "{\"tag_name\": \"${VERSION}\", \"name\": \"${VERSION}\", \"body\": \"Release ${VERSION}\", \"draft\": false, \"prerelease\": false}")

          if [ "$HTTP_CODE" = "409" ]; then
            echo "Release for ${VERSION} already exists, fetching existing..."
            curl -sSf -o /tmp/release_response.json \
              -H "Authorization: token ${GITEA_TOKEN}" \
              "${GITEA_URL}/api/v1/repos/${REPO}/releases/tags/${VERSION}"
          elif [ "$HTTP_CODE" != "201" ]; then
            echo "Failed to create release (HTTP ${HTTP_CODE})" >&2
            cat /tmp/release_response.json >&2
            exit 1
          fi

          # Parse release ID (python3 available on ubuntu-24.04 runners)
          RELEASE_ID=$(python3 -c "import json; print(json.load(open('/tmp/release_response.json'))['id'])")

          if [ -z "$RELEASE_ID" ]; then
            echo "Failed to parse release ID" >&2
            cat /tmp/release_response.json >&2
            exit 1
          fi

          echo "Release ID: ${RELEASE_ID}"

          # Upload each asset (idempotent: delete existing asset with same name first)
          for file in dist/*; do
            filename=$(basename "$file")
            echo "Uploading ${filename}..."

            # Check if asset already exists and delete it
            EXISTING_ID=$(export ASSET_NAME="${filename}"; curl -sS \
              -H "Authorization: token ${GITEA_TOKEN}" \
              "${GITEA_URL}/api/v1/repos/${REPO}/releases/${RELEASE_ID}/assets" \
              | python3 -c "import json,sys,os; name=os.environ['ASSET_NAME']; assets=json.load(sys.stdin); print(next((str(a['id']) for a in assets if a['name']==name),''))" 2>/dev/null)

            if [ -n "$EXISTING_ID" ]; then
              echo "  Asset ${filename} already exists (id=${EXISTING_ID}), deleting..."
              curl -sSf -X DELETE \
                -H "Authorization: token ${GITEA_TOKEN}" \
                "${GITEA_URL}/api/v1/repos/${REPO}/releases/${RELEASE_ID}/assets/${EXISTING_ID}"
            fi

            curl -sSf -X POST \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: application/octet-stream" \
              "${GITEA_URL}/api/v1/repos/${REPO}/releases/${RELEASE_ID}/assets?name=$(printf '%s' "${filename}" | jq -sRr @uri)" \
              --data-binary "@${file}"
          done

          echo "Release ${VERSION} created with assets"