services:
  # Citus Coordinator Node
  postgres-citus-coordinator:
    image: citusdata/citus:12.1
    platform: linux/amd64
    container_name: alga_citus_coordinator
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_DB: server_test
      CITUS_NODE_TYPE: coordinator
    ports:
      - "5433:5432"
    volumes:
      - citus_coordinator_data:/var/lib/postgresql/data
    command: |
      postgres 
      -c shared_preload_libraries='citus,pg_stat_statements' 
      -c citus.shard_count=32
      -c citus.shard_replication_factor=1
      -c log_statement='all'
      -c log_duration=on
    networks:
      - alga_test_network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5

  # Citus Worker Node 1
  postgres-citus-worker-1:
    image: citusdata/citus:12.1
    platform: linux/amd64
    container_name: alga_citus_worker_1
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_DB: server_test
      CITUS_NODE_TYPE: worker
    volumes:
      - citus_worker1_data:/var/lib/postgresql/data
    command: |
      postgres 
      -c shared_preload_libraries='citus,pg_stat_statements'
    networks:
      - alga_test_network
    depends_on:
      postgres-citus-coordinator:
        condition: service_healthy

  # Citus Worker Node 2
  postgres-citus-worker-2:
    image: citusdata/citus:12.1
    platform: linux/amd64
    container_name: alga_citus_worker_2
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_DB: server_test
      CITUS_NODE_TYPE: worker
    volumes:
      - citus_worker2_data:/var/lib/postgresql/data
    command: |
      postgres 
      -c shared_preload_libraries='citus,pg_stat_statements'
    networks:
      - alga_test_network
    depends_on:
      postgres-citus-coordinator:
        condition: service_healthy

  # Setup service to configure Citus cluster
  citus-setup:
    image: citusdata/citus:12.1
    platform: linux/amd64
    container_name: alga_citus_setup
    depends_on:
      postgres-citus-coordinator:
        condition: service_healthy
      postgres-citus-worker-1:
        condition: service_started
      postgres-citus-worker-2:
        condition: service_started
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      PGPASSWORD: ${POSTGRES_PASSWORD:-postgres}
    networks:
      - alga_test_network
    command: |
      bash -c "
        echo 'Waiting for workers to be ready...'
        sleep 10
        
        echo 'Adding worker nodes to coordinator...'
        psql -h postgres-citus-coordinator -U postgres -d server_test -c \"SELECT citus_add_node('postgres-citus-worker-1', 5432);\" || true
        psql -h postgres-citus-coordinator -U postgres -d server_test -c \"SELECT citus_add_node('postgres-citus-worker-2', 5432);\" || true
        
        echo 'Verifying cluster setup...'
        psql -h postgres-citus-coordinator -U postgres -d server_test -c \"SELECT * FROM citus_get_active_worker_nodes();\"
        
        echo 'Citus cluster setup complete!'
      "

volumes:
  citus_coordinator_data:
  citus_worker1_data:
  citus_worker2_data:

networks:
  alga_test_network:
    driver: bridge