name: CI

on:
  pull_request:
  push:
    branches:
      - main
  workflow_dispatch:

concurrency:
  group: ci-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  frontend:
    name: Frontend
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "22"
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Generate API client
        run: npm run generate:api-client

      - name: Typecheck frontend
        run: npm run lint:frontend

      - name: Build frontend
        run: npm run build:frontend

  go:
    name: Go - ${{ matrix.app }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        app:
          - apps/backend
          - apps/auth-service
    defaults:
      run:
        working-directory: ${{ matrix.app }}
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version-file: ${{ matrix.app }}/go.mod
          cache-dependency-path: ${{ matrix.app }}/go.sum

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

      - name: Build service
        run: go build ./...

  docker:
    name: Docker publish - ${{ matrix.service.name }}
    needs:
      - frontend
      - go
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    strategy:
      fail-fast: false
      matrix:
        service:
          - name: backend
            context: apps/backend
          - name: auth-service
            context: apps/auth-service
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Setup Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GHCR
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Resolve image name
        id: image
        env:
          OWNER: ${{ github.repository_owner }}
          SERVICE_NAME: ${{ matrix.service.name }}
        run: |
          echo "repository=$(echo "${OWNER}/bookra-${SERVICE_NAME}" | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

      - name: Generate image metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ steps.image.outputs.repository }}
          tags: |
            type=sha,prefix=
            type=ref,event=branch
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and publish container image
        uses: docker/build-push-action@v6
        with:
          context: ${{ matrix.service.context }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ matrix.service.name }}
          cache-to: type=gha,mode=max,scope=${{ matrix.service.name }}