src/main/java/com/example/myproject/controller/UserController.java

package com.example.myproject.controller;

import com.example.myproject.entity.Users;
import com.example.myproject.repository.UserRepository;
import com.example.myproject.service.DynamicService;
import com.example.myproject.service.TaskService;
import com.example.myproject.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;
import java.util.Optional;

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


@RestController
@RequestMapping("/echo/user")
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private UserRepository userRepository;

    @Autowired
    private DynamicService dynamicService;

    // 接口：生成邀请码
    @PostMapping("/getInviteCode")
    public Map<String, Object> generateInviteCode(@RequestBody Map<String, Object> request) {
        Long userId = Long.parseLong(request.get("user_id").toString());
        return userService.generateInviteCode(userId);
    }

    //注册
    @PostMapping("/register")
    public Map<String, Object> register(@RequestBody Map<String, Object> request) {
        String username = (String) request.get("username");
        String email = (String) request.get("email");
        String password = (String) request.get("password");
        String role = (String) request.get("role");
        String inviteCode = (String) request.get("inviteCode");

        // 调用服务层的注册方法
        String resultMessage = userService.registerUser(username, email, password, role, inviteCode);

        // 返回注册结果
        return Map.of("msg", resultMessage);
    }

    //登录
    @PostMapping("/login")
    public Map<String, Object> login(@RequestBody Map<String, Object> request) {
        String username = (String) request.get("username");
        String password = (String) request.get("password");

        // 调用服务层的登录方法
        String resultMessage = userService.loginUser(username, password);

        // 根据登录结果返回不同的响应
        if (resultMessage.equals("登录成功")) {
            // 查询用户信息
            Optional<Users> user = userRepository.findByUsername(username);
            if (user.isPresent()) {
                // 将用户的所有信息作为返回值
                return Map.of("msg", resultMessage, "user", user.get());
            } else {
                return Map.of("msg", "用户信息查询失败");
            }
        } else {
            return Map.of("msg", resultMessage);
        }
    }

    //修改密码
    @PostMapping("/password")
    public Map<String, Object> changePassword(@RequestBody Map<String, Object> request) {
        Long userId = Long.parseLong(request.get("user_id").toString());
        String oldPassword = (String) request.get("old_password");
        String newPassword = (String) request.get("new_password");
        String confirmPassword = (String) request.get("confirm_password");

        // 调用服务层的修改密码方法
        String resultMessage = userService.changePassword(userId, oldPassword, newPassword, confirmPassword);

        // 返回修改结果
        return Map.of("message", resultMessage, "status", resultMessage.equals("密码修改成功") ? "success" : "error");
    }

    // 获取用户个人资料
    @GetMapping("/{userId}/getProfile")
    public Map<String, Object> getProfile(@PathVariable("userId") Long userId) {
        return userService.getProfile(userId);
    }

    // 修改用户个人资料
    @PutMapping("/{userId}/editProfile")
    public Map<String, String> editProfile(
            @PathVariable("userId") Long userId,
            @RequestBody Map<String, Object> profileData) {

        // 获取请求体中的修改数据
        String nickname = (String) profileData.get("nickname");
        String gender = (String) profileData.get("gender");
        String description = (String) profileData.get("description");
        String hobbies = (String) profileData.get("hobbies");

        // 调用服务层方法进行修改
        boolean updated = userService.editProfile(userId, nickname, gender, description, hobbies);

        // 返回操作结果消息
        if (updated) {
            return Map.of("message", "用户资料更新成功");
        } else {
            return Map.of("message", "用户不存在");
        }
    }

    // 计算分享率
    @GetMapping("/{user_id}/calculate-share-rate")
    public Map<String, Object> calculateShareRate(@PathVariable("user_id") Long userId) {
        return userService.calculateShareRate(userId);
    }

    // 获取用户所有好友的基本信息
    @GetMapping("/{userId}/friends")
    public List<Map<String, Object>> getUserFriends(@PathVariable("userId") Long userId) {
        List<Long> friendIds = dynamicService.getAllFriendIds(userId);  // 注意这里用的是实例对象
        List<Map<String, Object>> friends = new ArrayList<>();

        for (Long friendId : friendIds) {
            Optional<Users> userOpt = userRepository.findById(friendId);
            if (userOpt.isPresent()) {
                Users user = userOpt.get();
                Map<String, Object> friendInfo = Map.of(
                        "id", user.getUserId(),
                        "avatar", user.getAvatarUrl() != null ? user.getAvatarUrl() : "https://example.com/default-avatar.jpg",
                        "nickname", user.getUsername() != null ? user.getUsername() : "未知用户",
                        "email", user.getEmail() != null ? user.getEmail() : "未填写"
                );
                friends.add(friendInfo);
            }
        }

        return friends;
    }

    @PostMapping("/{userId}/uploadAvatar")
    public Map<String, Object> uploadAvatar(
            @PathVariable Long userId,
            @RequestParam("file") MultipartFile file) {
        return userService.uploadUserAvatar(userId, file);
    }



}