package com.automobile.service;

import com.automobile.model.Car;
import com.automobile.parts.Engine;
import com.automobile.parts.Piston;
import com.automobile.parts.SteeringWheel;
import com.automobile.parts.Seat;
import com.automobile.parts.Transmission;
import com.automobile.parts.Wheel;
import com.automobile.system.ElectronicSystem;
import com.automobile.system.ElectronicControlUnit;
import com.automobile.configuration.ConfigurationSystem;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

/**
 * 汽车制造系统类
 * 实现完整的汽车制造流程，包含多个层级的组合关系
 */
public class ManufacturingSystem {
    private String factoryName;
    private List<ManufacturingLine> assemblyLines;
    private List<Car> completedCars;
    
    /**
     * 构造方法
     * @param factoryName 工厂名称
     */
    public ManufacturingSystem(String factoryName) {
        this.factoryName = factoryName;
        this.assemblyLines = new ArrayList<>();
        this.completedCars = new ArrayList<>();
        
        // 创建多条装配线
        for (int i = 1; i <= 3; i++) {
            assemblyLines.add(new ManufacturingLine("装配线-" + i));
        }
    }
    
    /**
     * 开始制造汽车
     * @param config 汽车配置系统
     * @return 制造的汽车实例
     */
    public Car manufactureCar(ConfigurationSystem config) {
        System.out.println("\n===== " + factoryName + " 汽车制造开始 =====");
        
        // 分配装配线
        ManufacturingLine line = getAvailableAssemblyLine();
        System.out.println("分配装配线: " + line.getName());
        
        // 1. 底盘组装
        System.out.println("阶段1: 底盘组装");
        line.workOnChassis();
        
        // 2. 引擎安装
        System.out.println("阶段2: 引擎安装");
        Engine engine = line.assembleEngine();
        
        // 3. 变速箱安装
        System.out.println("阶段3: 变速箱安装");
        Transmission transmission = line.assembleTransmission();
        
        // 4. 车轮安装
        System.out.println("阶段4: 车轮安装");
        List<Wheel> wheels = line.assembleWheels();
        
        // 5. 车身安装
        System.out.println("阶段5: 车身安装");
        line.attachBody();
        
        // 6. 内饰安装
        System.out.println("阶段6: 内饰安装");
        SteeringWheel steeringWheel = line.installSteeringWheel();
        List<Seat> seats = line.installSeats();
        
        // 7. 电子系统安装
        System.out.println("阶段7: 电子系统安装");
        ElectronicSystem electronicSystem = line.installElectronicSystem();
        
        // 8. 完成装配并确认配置
        System.out.println("阶段8: 最终装配");
        Car car = config.confirmConfiguration();
        
        // 9. 质量检测
        System.out.println("阶段9: 质量检测");
        boolean passed = performQualityCheck(car);
        
        if (passed) {
            completedCars.add(car);
            System.out.println("汽车制造完成！车辆识别号: " + car.getVin());
            System.out.println("===== " + factoryName + " 汽车制造结束 =====\n");
        } else {
            System.out.println("质量检测失败，汽车需要返工");
        }
        
        return car;
    }
    
    /**
     * 获取可用的装配线
     * @return 装配线
     */
    private ManufacturingLine getAvailableAssemblyLine() {
        // 简单实现：返回第一条可用的装配线
        return assemblyLines.get(0);
    }
    
    /**
     * 执行质量检测
     * @param car 待检测的汽车
     * @return 是否通过检测
     */
    private boolean performQualityCheck(Car car) {
        System.out.println("进行安全检测...");
        System.out.println("进行性能测试...");
        System.out.println("进行外观检查...");
        
        // 启动汽车测试
        car.start();
        car.accelerate(50);
        car.stop();
        
        System.out.println("质量检测通过！");
        return true;
    }
    
    /**
     * 显示制造统计
     */
    public void showManufacturingStats() {
        System.out.println("\n===== " + factoryName + " 制造统计 =====");
        System.out.println("装配线数量: " + assemblyLines.size());
        System.out.println("已完成汽车数量: " + completedCars.size());
        
        if (!completedCars.isEmpty()) {
            System.out.println("最近制造的汽车:");
            Car lastCar = completedCars.get(completedCars.size() - 1);
            lastCar.displayInfo();
        }
        
        System.out.println("=============================\n");
    }
    
    /**
     * 内部类：制造装配线
     */
    private static class ManufacturingLine {
        private String name;
        private boolean isBusy;
        
        public ManufacturingLine(String name) {
            this.name = name;
            this.isBusy = false;
        }
        
        public String getName() {
            return name;
        }
        
        // 各个制造阶段的方法
        public void workOnChassis() {
            System.out.println("  - 底盘框架焊接");
            System.out.println("  - 悬挂系统安装");
            System.out.println("  - 制动系统安装");
        }
        
        public Engine assembleEngine() {
            System.out.println("  - 引擎缸体加工");
            System.out.println("  - 安装4个活塞");
            System.out.println("  - 安装曲轴和凸轮轴");
            System.out.println("  - 安装燃油喷射系统");
            return new Engine();
        }
        
        public Transmission assembleTransmission() {
            System.out.println("  - 变速箱壳体加工");
            System.out.println("  - 安装齿轮组");
            System.out.println("  - 安装换挡机构");
            return new Transmission();
        }
        
        public List<Wheel> assembleWheels() {
            List<Wheel> wheels = new ArrayList<>();
            System.out.println("  - 安装4个车轮");
            for (int i = 0; i < 4; i++) {
                wheels.add(new Wheel());
            }
            return wheels;
        }
        
        public void attachBody() {
            System.out.println("  - 车身喷漆");
            System.out.println("  - 车身与底盘结合");
            System.out.println("  - 安装车门和车窗");
        }
        
        public SteeringWheel installSteeringWheel() {
            System.out.println("  - 安装方向盘");
            System.out.println("  - 连接转向柱");
            return new SteeringWheel();
        }
        
        public List<Seat> installSeats() {
            List<Seat> seats = new ArrayList<>();
            System.out.println("  - 安装驾驶员座椅");
            seats.add(new Seat(Seat.SeatType.DRIVER));
            System.out.println("  - 安装乘客座椅");
            seats.add(new Seat(Seat.SeatType.PASSENGER));
            System.out.println("  - 安装后排座椅");
            seats.add(new Seat(Seat.SeatType.REAR));
            seats.add(new Seat(Seat.SeatType.REAR));
            return seats;
        }
        
        public ElectronicSystem installElectronicSystem() {
            System.out.println("  - 安装发动机控制单元");
            System.out.println("  - 安装变速箱控制单元");
            System.out.println("  - 安装车身控制单元");
            System.out.println("  - 安装防抱死制动系统");
            System.out.println("  - 安装安全气囊控制单元");
            return new ElectronicSystem();
        }
    }
}