name: CI

on:
  push:
    branches: ["main", "master"]
    paths:
      - "backend/**"
      - "ui/**"
      - "caddy/**"
      - "docker-compose.yml"
      - ".gitea/workflows/ci.yaml"
  pull_request:
    branches: ["main", "master"]
    paths:
      - "backend/**"
      - "ui/**"
      - "caddy/**"
      - "docker-compose.yml"
      - ".gitea/workflows/ci.yaml"

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

jobs:
  # ── backend: vet & test ───────────────────────────────────────────────────────
  test-backend:
    name: Test backend
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version-file: backend/go.mod
          cache-dependency-path: backend/go.sum

      - name: go vet
        working-directory: backend
        run: go vet ./...

      - name: Run tests
        working-directory: backend
        run: go test -short -race -count=1 -timeout=60s ./...

  # ── ui: type-check & build ────────────────────────────────────────────────────
  check-ui:
    name: Check ui
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ui
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: "22"
          cache: npm
          cache-dependency-path: ui/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Type check
        run: npm run check

      - name: Build
        run: npm run build

  # ── docker: validate Dockerfiles build (no push) ──────────────────────────────
  docker-backend:
    name: Docker / backend
    runs-on: ubuntu-latest
    needs: [test-backend]
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - name: Build
        uses: docker/build-push-action@v6
        with:
          context: backend
          target: backend
          push: false

  docker-runner:
    name: Docker / runner
    runs-on: ubuntu-latest
    needs: [test-backend]
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - name: Build
        uses: docker/build-push-action@v6
        with:
          context: backend
          target: runner
          push: false

  docker-ui:
    name: Docker / ui
    runs-on: ubuntu-latest
    needs: [check-ui]
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - name: Build
        uses: docker/build-push-action@v6
        with:
          context: ui
          push: false

  docker-caddy:
    name: Docker / caddy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - name: Build
        uses: docker/build-push-action@v6
        with:
          context: caddy
          push: false