stages:
  - test
  - build
  - deploy

variables:
  PYTHON_VERSION: "3.12"
  NODE_VERSION: "22"
  POSTGRES_DB: "kmtn_test"
  POSTGRES_USER: "postgres"
  POSTGRES_PASSWORD: "postgres"

# ── Backend Tests ──────────────────────────────────────────
backend-test:
  stage: test
  image: python:${PYTHON_VERSION}-slim
  before_script:
    - pip install --no-cache-dir -r backend/requirements.txt
    - pip install --no-cache-dir -r backend/requirements-test.txt
  script:
    - cd backend
    - python -m pytest tests/ --cov=app --cov-report=term-missing --cov-report=xml --cov-fail-under=10
  artifacts:
    reports:
      coverage_report:
        coverage_format: cobertura
        path: backend/coverage.xml
    when: always
  tags:
    - docker

# ── Frontend Tests ─────────────────────────────────────────
frontend-test:
  stage: test
  image: node:${NODE_VERSION}-alpine
  before_script:
    - cd /builds/$CI_PROJECT_PATH
    - npm ci
    - npm install --save-dev vitest @vitest/coverage-v8 jsdom @angular-builders/jest
  script:
    - npx vitest run --reporter=verbose --coverage || true
  artifacts:
    reports:
      coverage_report:
        coverage_format: cobertura
        path: coverage/frontend/cobertura-coverage.xml
    when: always
  allow_failure: true
  tags:
    - docker

# ── Backend Lint ───────────────────────────────────────────
backend-lint:
  stage: test
  image: python:${PYTHON_VERSION}-slim
  before_script:
    - pip install --no-cache-dir ruff
  script:
    - cd backend
    - python -m ruff check app/ --select=E,F,W --ignore=E501 || true
  allow_failure: true
  tags:
    - docker

# ── Docker Build ───────────────────────────────────────────
docker-build:
  stage: build
  image: docker:24
  services:
    - docker:24-dind
  script:
    - docker build -t $CI_REGISTRY_IMAGE/frontend:$CI_COMMIT_SHA .
    - docker build -t $CI_REGISTRY_IMAGE/api:$CI_COMMIT_SHA ./backend
  only:
    - main
  tags:
    - docker

# ── Quality Gate (must pass before merge) ──────────────────
quality-gate:
  stage: test
  image: alpine:latest
  script:
    - echo "Quality gate: Backend tests must pass (enforced by pipeline). Frontend tests allowed to fail for now."
  needs:
    - backend-test
  allow_failure: false
  tags:
    - docker