name: CI

on:
  pull_request:
    paths-ignore:
      - '**/*.md'
      - 'docs/**'
      - '.github/ISSUE_TEMPLATE/**'
      - '.github/pull_request_template.md'
      - 'AGENTS.md'
      - 'CODE_OF_CONDUCT.md'
      - 'CONTRIBUTING.md'
      - 'LICENSE'
      - 'SECURITY.md'
      - 'SUPPORT.md'
  push:
    branches:
      - main
    paths-ignore:
      - '**/*.md'
      - 'docs/**'
      - '.github/ISSUE_TEMPLATE/**'
      - '.github/pull_request_template.md'
      - 'AGENTS.md'
      - 'CODE_OF_CONDUCT.md'
      - 'CONTRIBUTING.md'
      - 'LICENSE'
      - 'SECURITY.md'
      - 'SUPPORT.md'
  workflow_dispatch:

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

permissions:
  contents: read

env:
  COMPOSE_FILES: -f docker-compose.yml -f docker-compose.build.yml
  CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

jobs:
  web:
    name: Web Checks
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
      - name: Check out repository
        uses: actions/checkout@v7

      - name: Set up Bun
        uses: oven-sh/setup-bun@v2

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

      - name: Check Prettier formatting
        run: bun run format:check:prettier

      - name: Lint web app
        run: bun run lint:web

      - name: Type-check web app
        run: bun run typecheck:web

      - name: Run web unit tests with coverage
        run: bun run test:web:coverage

      - name: Normalize web coverage paths for Codecov
        run: |
          python - <<'PY'
          from pathlib import Path

          source = Path('apps/web/coverage/lcov.info')
          target = Path('apps/web/coverage/lcov.codecov.info')

          normalized_lines = []
          for line in source.read_text(encoding='utf-8').splitlines():
            if line.startswith('SF:'):
              path = line[3:].replace('\\', '/')
              marker = '/apps/web/'
              if marker in path:
                path = 'apps/web/' + path.split(marker, 1)[1]
              elif not path.startswith('apps/web/'):
                path = 'apps/web/' + path.lstrip('./')
              line = f'SF:{path}'
            normalized_lines.append(line)

          target.write_text('\n'.join(normalized_lines) + '\n', encoding='utf-8')
          PY

      - name: Preview web coverage source paths
        shell: bash
        run: |
          grep '^SF:' apps/web/coverage/lcov.codecov.info | head -n 20

      - name: Upload web coverage artifact
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: web-coverage
          path: |
            apps/web/coverage/lcov.info
            apps/web/coverage/lcov.codecov.info
          if-no-files-found: error

      - name: Upload web coverage to Codecov
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' && env.CODECOV_TOKEN != '' }}
        uses: codecov/codecov-action@v7
        with:
          files: apps/web/coverage/lcov.codecov.info
          flags: frontend
          disable_search: true
          token: ${{ env.CODECOV_TOKEN }}
          fail_ci_if_error: false

      - name: Build web app
        run: bun run build:web

  api:
    name: API Checks
    runs-on: ubuntu-latest
    timeout-minutes: 20

    defaults:
      run:
        working-directory: apps/api

    steps:
      - name: Check out repository
        uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v7
        with:
          go-version-file: apps/api/go.mod
          cache-dependency-path: apps/api/go.sum

      - name: Check gofmt formatting
        shell: bash
        run: |
          unformatted="$(gofmt -l .)"
          if [ -n "$unformatted" ]; then
            echo "The following Go files are not gofmt-formatted:"
            echo "$unformatted"
            exit 1
          fi

      - name: Run API tests with coverage
        shell: bash
        run: go test $(go list ./... | grep -v '/internal/testutil$') -coverprofile=coverage.out -covermode=atomic

      - name: Print API coverage summary
        run: go tool cover -func=coverage.out

      - name: Rewrite API coverage paths for Codecov
        shell: bash
        run: |
          sed 's#^github.com/xdrop/monorepo/#apps/api/#' coverage.out > coverage.codecov.out

      - name: Upload API coverage artifact
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: api-coverage
          path: |
            apps/api/coverage.out
            apps/api/coverage.codecov.out
          if-no-files-found: error

      - name: Upload API coverage to Codecov
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' && env.CODECOV_TOKEN != '' }}
        uses: codecov/codecov-action@v7
        with:
          files: apps/api/coverage.codecov.out
          flags: backend
          disable_search: true
          token: ${{ env.CODECOV_TOKEN }}
          fail_ci_if_error: false

      - name: Build API binary
        run: go build -o /tmp/xdrop-api ./cmd/api

  e2e:
    name: Compose Smoke And E2E
    runs-on: ubuntu-latest
    timeout-minutes: 35
    needs:
      - web
      - api

    steps:
      - name: Check out repository
        uses: actions/checkout@v7

      - name: Set up Bun
        uses: oven-sh/setup-bun@v2

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

      - name: Install Playwright browser
        run: bunx playwright install --with-deps chromium

      - name: Start Docker stack
        run: docker compose ${{ env.COMPOSE_FILES }} up -d --build

      - name: Wait for Xdrop endpoints
        shell: bash
        run: |
          for _ in {1..60}; do
            if curl -fsS http://localhost:8080/healthz >/dev/null && curl -fsS http://localhost:8080/ >/dev/null; then
              exit 0
            fi
            sleep 5
          done
          echo "Xdrop endpoints did not become ready in time" >&2
          exit 1

      - name: Run browser E2E suite
        run: bun run test:e2e

      - name: Capture Docker logs
        if: always()
        run: docker compose ${{ env.COMPOSE_FILES }} logs --no-color > compose-logs.txt

      - name: Upload Playwright report
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: playwright-report
          path: playwright-report
          if-no-files-found: ignore

      - name: Upload Playwright test results
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: playwright-test-results
          path: test-results
          if-no-files-found: ignore

      - name: Upload Docker logs
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: compose-logs
          path: compose-logs.txt
          if-no-files-found: ignore

      - name: Shut down Docker stack
        if: always()
        run: docker compose ${{ env.COMPOSE_FILES }} down -v