from pathlib import Path
from PFAL_SysControl.Controller.light import LightSystem
from PFAL_SysControl.Controller.camera import CameraSystem
from PFAL_SysControl.Utils.database import DatabaseManager
from PFAL_SysControl.Utils.light_sampler import LightSampler

class CultivationRack:
    """
    代表一个完整的栽培架，封装了所有硬件控制器。
    它可以通过依赖注入的方式，获得数据库和采样器等服务，以执行复杂任务。
    """
    def __init__(self, name: str, config: dict, db_manager: DatabaseManager = None, light_sampler: LightSampler = None):
        self.name = name
        self.config = config
        
        try:
            light_conf = self.config['lights'][name]
            camera_conf_list = self.config['cameras'][name]
        except KeyError as e:
            raise ValueError(f"在配置中找不到控制器 '{name}' 的硬件信息: {e}")

        # 1. 实例化硬件控制器
        self.light_system = LightSystem(name, light_conf)
        
        # 2. 实例化相机控制器，并传入所有依赖（包括从外部注入的服务）
        self.camera_system = CameraSystem(
            camera_configs=camera_conf_list,
            light_controller=self.light_system,
            db_manager=db_manager,
            light_sampler=light_sampler
        )

    # --- Camera Facade Methods ---
    def capture_all_photos(self, task_name: str):
        """提供一个高级接口来执行并发拍照任务。"""
        if not self.camera_system.db_manager or not self.camera_system.light_sampler:
            raise RuntimeError("数据库或光照采样器未被注入，无法执行此复杂任务。")
        base_path = Path(self.config['cameras']['settings']['download_path'])
        return self.camera_system.capture_all_with_lighting(base_path, task_name)

    def capture_photo_by_name(self, camera_name: str):
        """提供一个高级接口来对单个摄像头拍照。"""
        base_path = Path(self.config['cameras']['settings']['download_path'])
        return self.camera_system.capture_single_by_name(camera_name, base_path)

    # --- Light Facade Methods ---
    def set_layer_intensity(self, layer_id: int, intensity: float):
        """设置指定层所有灯光的亮度。"""
        with self.light_system as ls:
            ls.set_layer_intensity(layer_id, intensity)

    def turn_on_all(self):
        """打开此栽培架上的所有灯光。"""
        with self.light_system as ls:
            ls.turn_on_all()

    def turn_off_all(self):
        """关闭此栽培架上的所有灯光。"""
        with self.light_system as ls:
            ls.turn_off_all()

    def set_light_by_name(self, name: str, intensity: float):
        """按名称设置单个灯光的亮度。"""
        with self.light_system as ls:
            ls.set_light_by_name(name, intensity)

    def set_light_by_id(self, light_id: int, intensity: float):
        """按ID设置单个灯光的亮度。"""
        with self.light_system as ls:
            ls.set_light_by_id(light_id, intensity)

    def turn_on_layer(self, layer_id: int):
        """打开指定层的所有灯光。"""
        with self.light_system as ls:
            ls.turn_on_layer(layer_id)

    def turn_off_layer(self, layer_id: int):
        """关闭指定层的所有灯光。"""
        with self.light_system as ls:
            ls.turn_off_layer(layer_id)