name: Release

on:
  push:
    tags:
      - 'v*'

jobs:
  ci:
    runs-on: docker
    container:
      image: oven/bun:1
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install dependencies
        run: bun install --frozen-lockfile --ignore-scripts

      - name: Lint
        run: bun run lint

      - name: Test
        run: bun test

      - name: Build
        run: bun run build

  release:
    needs: ci
    runs-on: dind
    steps:
      - name: Clone repository
        run: |
          apk add --no-cache git curl jq docker-cli docker-cli-buildx
          git clone https://${{ secrets.GITEA_TOKEN }}@gitea.jeanlucmakiola.de/${{ gitea.repository }}.git repo
          cd repo
          git checkout ${{ gitea.ref_name }}

      - name: Resolve version from tag
        working-directory: repo
        run: |
          VERSION="${{ gitea.ref_name }}"
          PREV_TAG=$(git tag -l 'v*' --sort=-v:refname | grep -vxF "$VERSION" | head -n1)
          if [ -z "$PREV_TAG" ]; then
            PREV_TAG="v0.0.0"
          fi
          echo "VERSION=$VERSION" >> "$GITHUB_ENV"
          echo "PREV_TAG=$PREV_TAG" >> "$GITHUB_ENV"
          echo "Releasing $VERSION (previous: $PREV_TAG)"

      - name: Generate changelog
        working-directory: repo
        run: |
          if [ "$PREV_TAG" = "v0.0.0" ]; then
            CHANGELOG=$(git log --pretty=format:"- %s" HEAD)
          else
            CHANGELOG=$(git log --pretty=format:"- %s" "${PREV_TAG}..HEAD")
          fi
          echo "CHANGELOG<<CHANGELOG_EOF" >> "$GITHUB_ENV"
          echo "$CHANGELOG" >> "$GITHUB_ENV"
          echo "CHANGELOG_EOF" >> "$GITHUB_ENV"

      - name: Build and push Docker image
        working-directory: repo
        run: |
          REGISTRY="gitea.jeanlucmakiola.de"
          IMAGE="${REGISTRY}/${{ gitea.repository_owner }}/gearbox"
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "${{ gitea.repository_owner }}" --password-stdin
          docker buildx build \
            --cache-from type=registry,ref=${IMAGE}:buildcache \
            --cache-to type=registry,ref=${IMAGE}:buildcache \
            -t "${IMAGE}:${VERSION}" -t "${IMAGE}:latest" \
            --push .

      - name: Create Gitea release
        run: |
          API_URL="${GITHUB_SERVER_URL}/api/v1/repos/${{ gitea.repository }}/releases"
          curl -s -X POST "$API_URL" \
            -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "$(jq -n \
              --arg tag "$VERSION" \
              --arg name "$VERSION" \
              --arg body "$CHANGELOG" \
              '{tag_name: $tag, name: $name, body: $body, draft: false, prerelease: false}')"