package com.rj.controller.sys;

import com.rj.common.Result;
import com.rj.entity.sys.User;
import com.rj.pojo.sys.LoginRequest;
import com.rj.pojo.sys.LoginResponse;
import com.rj.service.sys.IUserService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.*;

import jakarta.validation.Valid;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * <p>
 * 认证控制器
 * </p>
 *
 * @author 系统生成
 * @since 2025-08-07
 */
@RestController
@RequestMapping("/api/sys/auth")
@Tag(name = "认证管理", description = "用户认证相关接口")
@Slf4j
public class AuthController {

    @Autowired
    private IUserService userService;

    /**
     * 用户登录
     */
    @PostMapping("/login")
    @Operation(summary = "用户登录", description = "根据用户名和密码进行登录验证")
    public ResponseEntity<Map<String, Object>> login(
            @Parameter(description = "登录信息", required = true)
            @Valid @RequestBody LoginRequest loginRequest) {
        log.info("用户登录：{}", loginRequest);
        Map<String, Object> result = new HashMap<>();
        try {
            LoginResponse loginResponse = userService.login(loginRequest);
            result.put("success", true);
            result.put("message", "登录成功");
            result.put("data", loginResponse);
            return ResponseEntity.ok(result);
        } catch (Exception e) {
            result.put("success", false);
            result.put("message", "登录失败：" + e.getMessage());
            return ResponseEntity.badRequest().body(result);
        }
    }

    @Operation(summary = "通过token获取用户信息")
    @GetMapping(value = "/getUserInfoByToken")
    public ResponseEntity getUserInfoByToken(String token){
        log.info("通过token获取用户信息：{}", token);
        Map<String, Object> result = new HashMap<>();
        // 用户信息/角色信息
        User user = userService.getUserInfoByToken(token);
        user.setPassword(null);
        user.setOriginalPassword(null);
        result.put("success", true);
        result.put("data", user);
        result.put("message", "token验证成功");
        return  ResponseEntity.ok(result);
    }

    /**
     * 用户登出
     */
    @PostMapping("/logout")
    @Operation(summary = "用户登出", description = "清除用户token，实现登出功能")
    public ResponseEntity<Map<String, Object>> logout(
            @Parameter(description = "用户ID", required = true)
            @RequestParam Integer userId) {
        log.info("用户登出：{}", userId);
        Map<String, Object> result = new HashMap<>();
        try {
            User user = userService.getById(userId);
            if (user != null) {
                // 清除token
                user.setToken(null);
                userService.updateById(user);
                result.put("success", true);
                result.put("message", "登出成功");
                return ResponseEntity.ok(result);
            } else {
                result.put("success", false);
                result.put("message", "用户不存在");
                return ResponseEntity.badRequest().body(result);
            }
        } catch (Exception e) {
            result.put("success", false);
            result.put("message", "登出失败：" + e.getMessage());
            return ResponseEntity.internalServerError().body(result);
        }
    }

    /**
     * 验证token
     */
    @GetMapping("/verify")
    @Operation(summary = "验证token", description = "验证用户token是否有效")
    public ResponseEntity<Map<String, Object>> verifyToken(
            @Parameter(description = "token", required = true)
            @RequestParam String token) {
        log.info("验证token：{}", token);
        Map<String, Object> result = new HashMap<>();
        try {
            // 根据token查询用户
            User user = userService.getUserByToken(token);
            if (user != null) {
                result.put("success", true);
                result.put("message", "token有效");
                result.put("data", user);
                return ResponseEntity.ok(result);
            } else {
                result.put("success", false);
                result.put("message", "token无效或已过期");
                return ResponseEntity.badRequest().body(result);
            }
        } catch (Exception e) {
            result.put("success", false);
            result.put("message", "验证失败：" + e.getMessage());
            return ResponseEntity.internalServerError().body(result);
        }
    }

    /**
     * 获取当前用户信息
     */
    @GetMapping("/current")
    @Operation(summary = "获取当前用户信息", description = "根据token获取当前登录用户信息")
    public ResponseEntity<Map<String, Object>> getCurrentUser(
            @Parameter(description = "token", required = true)
            @RequestParam String token) {
        log.info("获取当前用户信息：{}", token);
        Map<String, Object> result = new HashMap<>();
        try {
            User user = userService.getUserByToken(token);
            if (user != null) {
                // 不返回密码等敏感信息
                user.setPassword(null);
                result.put("success", true);
                result.put("message", "获取成功");
                result.put("data", user);
                return ResponseEntity.ok(result);
            } else {
                result.put("success", false);
                result.put("message", "用户未登录或token已过期");
                return ResponseEntity.badRequest().body(result);
            }
        } catch (Exception e) {
            result.put("success", false);
            result.put("message", "获取用户信息失败：" + e.getMessage());
            return ResponseEntity.internalServerError().body(result);
        }
    }
}