services:
  # Cached builder using multi-stage Dockerfile
  builder:
    build:
      context: ..
      dockerfile: build/Dockerfile.cached
      target: final-builder
      args:
        BUILDMODE: "${BUILDMODE:-debug}"
        TARGETARCH: "${TARGETARCH:-amd64}"
        MINIMAL_MODE: "${MINIMAL_MODE:-false}"
    image: zero-os-alpine-builder:cached-${BUILDMODE:-debug}
    container_name: zero-os-alpine-builder-cached
    privileged: true
    user: "${UID:-1000}:${GID:-1000}"
    volumes:
      # Mount source configs and scripts (read-only for cache efficiency)
      - ../configs:/build/configs:ro
      - ../scripts:/build/scripts:ro
      # Mount Zero-OS components (writable for cargo build)
      - ../components:/build/components
      # Mount output directory
      - ../output:/build/output
      # Persistent cache directories for maximum caching
      - build-cache:/build/cache
      - source-cache:/build/source
      - kernel-cache:/build/kernel
      # Mount existing zinit config from main project
      - ../configs/zinit:/mnt/zinit:ro
    environment:
      - BUILDMODE=${BUILDMODE:-debug}
      - TARGETARCH=${TARGETARCH:-amd64}
      - MINIMAL_MODE=${MINIMAL_MODE:-false}
    working_dir: /build
    command: ["/build/scripts/build-smart.sh"]
  
  # Legacy builder for comparison/fallback
  builder-legacy:
    build:
      context: ..
      dockerfile: build/Dockerfile.alpine
      args:
        BUILDMODE: "${BUILDMODE:-debug}"
        TARGETARCH: "${TARGETARCH:-amd64}"
        MINIMAL_MODE: "${MINIMAL_MODE:-false}"
    image: zero-os-alpine-builder:legacy
    container_name: zero-os-alpine-builder-legacy
    privileged: true
    user: "${UID:-1000}:${GID:-1000}"
    volumes:
      - ../configs:/build/configs:ro
      - ../scripts:/build/scripts:ro
      - ../components:/build/components
      - ../output:/build/output
      - github-cache:/build/github
      - kernel-cache-legacy:/build/kernel
      - ../configs/zinit:/mnt/zinit:ro
    environment:
      - BUILDMODE=${BUILDMODE:-debug}
      - TARGETARCH=${TARGETARCH:-amd64}
      - MINIMAL_MODE=${MINIMAL_MODE:-false}
    working_dir: /build
    command: ["/build/scripts/build-initramfs.sh"]

  # Quick shell access for debugging (uses cached builder)
  shell:
    extends: builder
    container_name: zero-os-alpine-shell
    command: /bin/sh
    stdin_open: true
    tty: true

  # Development shell with full caches
  dev-shell:
    extends: builder
    container_name: zero-os-alpine-dev-shell
    command: /bin/sh -l
    stdin_open: true
    tty: true
    environment:
      - PATH=/root/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
      - CARGO_TARGET_DIR=/build/target-cache
    volumes:
      - ../configs:/build/configs
      - ../scripts:/build/scripts
      - ../components:/build/components
      - ../output:/build/output
      - build-cache:/build/cache
      - source-cache:/build/source
      - kernel-cache:/build/kernel
      - target-cache:/build/target-cache
      - ../configs/zinit:/mnt/zinit:ro

  # Test build with minimal caching (for testing clean builds)
  test:
    extends: builder
    container_name: zero-os-alpine-test
    volumes:
      - ../configs:/build/configs:ro
      - ../scripts:/build/scripts:ro
      - ../components:/build/components
      - ../output:/build/output
      - ../configs/zinit:/mnt/zinit:ro
    environment:
      - BUILDMODE=debug
      - TARGETARCH=amd64
      - MINIMAL_MODE=${MINIMAL_MODE:-false}

  # Cache management service
  cache-info:
    extends: builder
    container_name: zero-os-alpine-cache-info
    command: |
      sh -c "
        echo 'Build Cache Information:'
        echo 'Cache directory: /build/cache'
        ls -la /build/cache/ 2>/dev/null || echo 'No cache markers found'
        echo ''
        echo 'Source cache: /build/source'
        ls -la /build/source/ 2>/dev/null || echo 'No source cache found'
        echo ''
        echo 'Kernel cache: /build/kernel'
        ls -la /build/kernel/ 2>/dev/null || echo 'No kernel cache found'
        echo ''
        echo 'Cache sizes:'
        du -sh /build/cache /build/source /build/kernel 2>/dev/null || true
      "

volumes:
  # New cached volumes
  build-cache:
  source-cache:
  kernel-cache:
  target-cache:
  
  # Legacy volumes (for fallback)
  github-cache:
  kernel-cache-legacy: