stages:
  - restore
  - build
  - test
  - docker_build
  - deploy

variables:
  # Use Docker-in-Docker for building images
  DOCKER_DRIVER: overlay2
  DOCKER_TLS_CERTDIR: ""

# Cache for NuGet packages
cache:
  key: ${CI_COMMIT_REF_SLUG}
  paths:
    - .nuget/packages/
    - frontend/node_modules/

# -------------------------------------------------------------------
# Backend (ASP.NET Core) jobs
# -------------------------------------------------------------------
restore_backend:
  stage: restore
  image: mcr.microsoft.com/dotnet/sdk:10.0
  script:
    - dotnet restore backend/GiecChallenge/GiecChallenge.csproj
  artifacts:
    paths:
      - backend/GiecChallenge/obj/
      - backend/GiecChallenge/bin/
    expire_in: 1 hour

build_backend:
  stage: build
  image: mcr.microsoft.com/dotnet/sdk:10.0
  needs: [restore_backend]
  script:
    - dotnet build backend/GiecChallenge/GiecChallenge.csproj -c Release -o out
  artifacts:
    paths:
      - out/
    expire_in: 1 hour

test_backend:
  stage: test
  image: mcr.microsoft.com/dotnet/sdk:10.0
  needs: [build_backend]
  script:
    - dotnet test backend/GiecChallenge.test/GiecChallenge.test.csproj --no-build --verbosity normal
  artifacts:
    when: always
    reports:
      junit: test-results.xml
    expire_in: 1 hour

# -------------------------------------------------------------------
# Frontend (React) jobs
# -------------------------------------------------------------------
install_frontend:
  stage: restore
  image: node:14-alpine
  script:
    - cd frontend
    - npm ci
  cache:
    key: ${CI_COMMIT_REF_SLUG}-frontend
    paths:
      - frontend/node_modules/
  artifacts:
    paths:
      - frontend/node_modules/
    expire_in: 1 hour

build_frontend:
  stage: build
  image: node:14-alpine
  needs: [install_frontend]
  script:
    - cd frontend
    - npm run build
  artifacts:
    paths:
      - frontend/build/
    expire_in: 1 hour

# -------------------------------------------------------------------
# Docker images
# -------------------------------------------------------------------
docker_build_backend:
  stage: docker_build
  image: docker:latest
  services:
    - docker:dind
  needs: [test_backend]
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker build -t $CI_REGISTRY_IMAGE/backend:${CI_COMMIT_SHA:0:8} -f backend/GiecChallenge/Dockerfile .
    - docker push $CI_REGISTRY_IMAGE/backend:${CI_COMMIT_SHA:0:8}

docker_build_frontend:
  stage: docker_build
  image: docker:latest
  services:
    - docker:dind
  needs: [build_frontend]
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker build -t $CI_REGISTRY_IMAGE/frontend:${CI_COMMIT_SHA:0:8} -f frontend/Dockerfile .
    - docker push $CI_REGISTRY_IMAGE/frontend:${CI_COMMIT_SHA:0:8}

# -------------------------------------------------------------------
# Deploy (optional – placeholder)
# -------------------------------------------------------------------
deploy:
  stage: deploy
  image: alpine:latest
  script:
    - echo "Deploy step placeholder – add your deployment commands here."
  only:
    - main