stages:
  - build
  - test
  - docker
  - deploy

variables:
  DOCKER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}
  DOCKER_IMAGE_LATEST: ${CI_REGISTRY_IMAGE}:latest
  DOCKER_DRIVER: overlay2
  DOCKER_TLS_CERTDIR: ""

# Build stage - compile Java and frontend
build:java:
  stage: build
  image: eclipse-temurin:21-jdk
  before_script:
    - apt-get update && apt-get install -y curl
    - curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
    - apt-get install -y nodejs
  script:
    - chmod +x ./gradlew
    - ./gradlew clean build -x test --build-cache
  artifacts:
    paths:
      - backend/build/libs/
      - frontend/dist/
    expire_in: 1 day
  cache:
    key: ${CI_COMMIT_REF_SLUG}
    paths:
      - .gradle/
      - frontend/node_modules/

# Test stage - run unit and integration tests
test:unit:
  stage: test
  image: eclipse-temurin:21-jdk
  needs:
    - build:java
  script:
    - chmod +x ./gradlew
    - ./gradlew test --build-cache
  artifacts:
    reports:
      junit: backend/build/test-results/test/**/*.xml
    paths:
      - backend/build/reports/
    expire_in: 30 days
  cache:
    key: ${CI_COMMIT_REF_SLUG}
    paths:
      - .gradle/

# Integration tests with Postgres
test:integration:
  stage: test
  image: eclipse-temurin:21-jdk
  services:
    - postgres:16-alpine
  variables:
    POSTGRES_DB: mtgsearch_test
    POSTGRES_USER: postgres
    POSTGRES_PASSWORD: postgres
    SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/mtgsearch_test
  script:
    - chmod +x ./gradlew
    - ./gradlew integrationTest --build-cache
  only:
    - main
    - merge_requests
  cache:
    key: ${CI_COMMIT_REF_SLUG}
    paths:
      - .gradle/

# Code quality checks
test:quality:
  stage: test
  image: eclipse-temurin:21-jdk
  script:
    - chmod +x ./gradlew
    - ./gradlew check -x test
  allow_failure: true
  only:
    - merge_requests

# Docker build and push
docker:build:
  stage: docker
  image: docker:latest
  services:
    - docker:dind
  needs:
    - build:java
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  script:
    - docker build -t $DOCKER_IMAGE .
    - docker push $DOCKER_IMAGE
    - docker tag $DOCKER_IMAGE $DOCKER_IMAGE_LATEST
    - docker push $DOCKER_IMAGE_LATEST
  only:
    - main
    - develop
    - tags

# Deploy to staging (example - configure for your environment)
deploy:staging:
  stage: deploy
  image: alpine:latest
  before_script:
    - apk add --no-cache curl jq
  script:
    - echo "Deploying to staging environment..."
    - |
      curl -X POST "${STAGING_DEPLOY_WEBHOOK}" \
        -H "Content-Type: application/json" \
        -d '{"image":"'"${DOCKER_IMAGE}"'"}'
  environment:
    name: staging
    url: https://staging-mtgsearch.example.com
  only:
    - develop
  when: manual

# Deploy to production (example - configure for your environment)
deploy:production:
  stage: deploy
  image: alpine:latest
  before_script:
    - apk add --no-cache curl jq
  script:
    - echo "Deploying to production..."
    - |
      curl -X POST "${PROD_DEPLOY_WEBHOOK}" \
        -H "Content-Type: application/json" \
        -d '{"image":"'"${DOCKER_IMAGE}"'"}'
  environment:
    name: production
    url: https://mtgsearch.example.com
  only:
    - tags
    - main
  when: manual