package com.bruce.sams.controller.sys;

import com.bruce.sams.common.utils.FileUploadUtil;
import com.bruce.sams.domain.entity.AjaxResult;
import com.bruce.sams.domain.sys.User;
import com.bruce.sams.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.util.Map;


/**
 * 用户端 - 个人信息管理控制器
 */
@RestController
@RequestMapping("/api/user")
public class UserController {

    @Autowired
    private UserService userService;

    /**
     * 获取当前用户个人信息（前端调用 /user/profile，无需传 userId）
     */
    @GetMapping("/profile")
    public AjaxResult getUserProfile() {
        System.out.println("运行中");
        User user = getCurrentUser();
        return AjaxResult.success(userService.getUserProfile(user.getUserId()));
    }

    /**
     * 修改个人资料（昵称、邮箱、头像）=> PUT /user/update
     */
    @PutMapping("/update")
    public AjaxResult updateProfile(@RequestBody User updatedUser) {
        User user = getCurrentUser();
        userService.updateProfile(user.getUserId(), updatedUser);
        return AjaxResult.success("个人信息更新成功");
    }

    /**
     * 修改密码 => PUT /user/change-password
     */
    @PutMapping("/change-password")
    public AjaxResult changePassword(@RequestBody Map<String, String> body) {
        User user = getCurrentUser();
        String oldPassword = body.get("oldPassword");
        String newPassword = body.get("newPassword");
        userService.changePassword(user.getUserId(), oldPassword, newPassword);
        return AjaxResult.success("密码修改成功");
    }

    /**
     * 上传头像 => POST /user/avatar
     */
    @PostMapping("/avatar")
    public String uploadAvatar(@RequestParam("file") MultipartFile file) {
        User user = getCurrentUser();
        String avatarUrl = FileUploadUtil.uploadFile(file, "avatars/");
        userService.updateUserAvatar(user.getUserId(), avatarUrl);
        return avatarUrl;
    }

    /**
     * 获取当前登录用户
     */
    private User getCurrentUser() {
        System.out.println("✔ Controller 已进入！");
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null || !authentication.isAuthenticated()) {
            throw new RuntimeException("用户未认证");
        }
        return (User) authentication.getPrincipal();
    }
}