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

/**
 * 汽车维修系统类
 * 展示组合关系中部件的更换和维修
 */
public class MaintenanceSystem {
    private String garageName;
    private List<ServiceRecord> serviceHistory;
    
    /**
     * 构造方法
     * @param garageName 修理厂名称
     */
    public MaintenanceSystem(String garageName) {
        this.garageName = garageName;
        this.serviceHistory = new ArrayList<>();
    }
    
    /**
     * 执行常规保养
     * @param car 要保养的汽车
     */
    public void performRegularMaintenance(Car car) {
        System.out.println("\n===== 开始常规保养 =====");
        System.out.println("车辆: " + car.getBrand() + " " + car.getModel());
        
        // 检查和更换机油
        System.out.println("更换引擎机油...");
        
        // 检查轮胎
        System.out.println("检查轮胎...");
        for (int i = 0; i < car.getWheels().size(); i++) {
            Wheel wheel = car.getWheels().get(i);
            wheel.checkStatus();
            wheel.adjustPressure(2.5); // 调整到标准胎压
        }
        
        // 检查电子系统
        System.out.println("执行电子系统诊断...");
        car.getElectronicSystem().runDiagnostics();
        
        // 记录保养
        ServiceRecord record = new ServiceRecord(
            car.getVin(),
            "常规保养",
            "更换机油、检查轮胎、电子系统诊断"
        );
        serviceHistory.add(record);
        
        System.out.println("===== 常规保养完成 =====\n");
    }
    
    /**
     * 更换方向盘
     * @param car 汽车
     * @param newType 新方向盘类型
     */
    public void replaceSteeringWheel(Car car, String newType) {
        System.out.println("\n===== 更换方向盘 =====");
        System.out.println("当前方向盘: " + car.getSteeringWheel().getType());
        
        // 在实际应用中，这里应该创建一个新的方向盘对象并替换
        // 由于Java的封装性，我们通过setter方法来修改
        car.getSteeringWheel().setType(newType);
        
        System.out.println("新方向盘: " + car.getSteeringWheel().getType());
        
        // 记录维修
        ServiceRecord record = new ServiceRecord(
            car.getVin(),
            "更换方向盘",
            "更换为: " + newType
        );
        serviceHistory.add(record);
        
        System.out.println("===== 方向盘更换完成 =====\n");
    }
    
    /**
     * 更换座椅
     * @param car 汽车
     * @param seatIndex 要更换的座椅索引
     * @param newMaterial 新材料
     * @param heated 是否加热
     * @param ventilated 是否通风
     */
    public void replaceSeat(Car car, int seatIndex, String newMaterial, boolean heated, boolean ventilated) {
        if (seatIndex >= 0 && seatIndex < car.getSeats().size()) {
            System.out.println("\n===== 更换座椅 =====");
            Seat oldSeat = car.getSeats().get(seatIndex);
            System.out.println("当前座椅: " + oldSeat.getType() + ", " + oldSeat.getMaterial());
            
            // 创建新座椅并替换
            Seat newSeat = new Seat(oldSeat.getType());
            newSeat.setMaterial(newMaterial);
            newSeat.setHeated(heated);
            newSeat.setVentilated(ventilated);
            
            // 替换座椅
            car.getSeats().set(seatIndex, newSeat);
            
            System.out.println("新座椅: " + newSeat.getType() + ", " + newSeat.getMaterial() + 
                             ", 加热: " + heated + ", 通风: " + ventilated);
            
            // 记录维修
            ServiceRecord record = new ServiceRecord(
                car.getVin(),
                "更换座椅",
                "座椅类型: " + oldSeat.getType() + ", 新材料: " + newMaterial
            );
            serviceHistory.add(record);
            
            System.out.println("===== 座椅更换完成 =====\n");
        } else {
            System.out.println("无效的座椅索引");
        }
    }
    
    /**
     * 维修引擎
     * @param car 汽车
     * @param issue 问题描述
     */
    public void repairEngine(Car car, String issue) {
        System.out.println("\n===== 维修引擎 =====");
        System.out.println("引擎类型: " + car.getEngine().getType());
        System.out.println("问题: " + issue);
        
        // 检查活塞状态
        System.out.println("检查活塞...");
        for (Piston piston : car.getEngine().getPistons()) {
            System.out.println(piston.getStatus());
        }
        
        // 模拟修复过程
        System.out.println("执行引擎修复...");
        System.out.println("修复完成");
        
        // 记录维修
        ServiceRecord record = new ServiceRecord(
            car.getVin(),
            "引擎维修",
            issue
        );
        serviceHistory.add(record);
        
        System.out.println("===== 引擎维修完成 =====\n");
    }
    
    /**
     * 重置电子控制单元
     * @param car 汽车
     * @param ecuType ECU类型
     */
    public void resetECU(Car car, String ecuType) {
        System.out.println("\n===== 重置ECU =====");
        
        for (ElectronicControlUnit ecu : car.getElectronicSystem().getEcus()) {
            if (ecu.getType().contains(ecuType)) {
                System.out.println("重置 " + ecu.getAbbreviation() + "...");
                ecu.shutdown();
                ecu.initialize();
                ecu.clearFault();
                System.out.println("重置完成");
                
                // 记录维修
                ServiceRecord record = new ServiceRecord(
                    car.getVin(),
                    "重置ECU",
                    "ECU类型: " + ecu.getType()
                );
                serviceHistory.add(record);
                
                System.out.println("===== ECU重置完成 =====\n");
                return;
            }
        }
        
        System.out.println("未找到类型为 " + ecuType + " 的ECU");
    }
    
    /**
     * 显示维修历史
     * @param vin 车辆识别号
     */
    public void showServiceHistory(String vin) {
        System.out.println("\n===== 维修历史 (" + vin + ") =====");
        boolean found = false;
        
        for (ServiceRecord record : serviceHistory) {
            if (record.getVin().equals(vin)) {
                System.out.println(record.toString());
                found = true;
            }
        }
        
        if (!found) {
            System.out.println("未找到该车辆的维修记录");
        }
        
        System.out.println("========================\n");
    }
    
    /**
     * 内部类：维修记录
     */
    private static class ServiceRecord {
        private String vin;
        private String serviceType;
        private String description;
        private long timestamp;
        
        public ServiceRecord(String vin, String serviceType, String description) {
            this.vin = vin;
            this.serviceType = serviceType;
            this.description = description;
            this.timestamp = System.currentTimeMillis();
        }
        
        public String getVin() {
            return vin;
        }
        
        @Override
        public String toString() {
            return "时间: " + new java.util.Date(timestamp) + 
                   ", 类型: " + serviceType + ", 描述: " + description;
        }
    }
}