package com.accounting.controller;

import com.accounting.dto.AccountRequest;
import com.accounting.dto.AccountResponse;
import com.accounting.entity.User;
import com.accounting.mapper.UserMapper;
import com.accounting.service.AccountService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.bind.annotation.*;

@Tag(name = "账户管理", description = "账户管理接口")
@RestController
@RequestMapping("/api/accounts")
public class AccountController {
    
    @Autowired
    private AccountService accountService;
    
    @Autowired
    private UserMapper userMapper;
    
    @Operation(summary = "获取账户信息")
    @GetMapping
    public ResponseEntity<AccountResponse> getAccount(Authentication authentication) {
        Long userId = getUserId(authentication);
        AccountResponse response = accountService.getAccountBalance(userId);
        return ResponseEntity.ok(response);
    }
    
    @Operation(summary = "更新账户信息")
    @PutMapping
    public ResponseEntity<AccountResponse> updateAccount(
            @RequestBody AccountRequest request,
            Authentication authentication) {
        Long userId = getUserId(authentication);
        AccountResponse response = accountService.updateAccount(userId, request);
        return ResponseEntity.ok(response);
    }
    
    @Operation(summary = "更新账户余额")
    @PutMapping("/balance")
    public ResponseEntity<AccountResponse> updateAccountBalance(
            @RequestBody AccountRequest request,
            Authentication authentication) {
        Long userId = getUserId(authentication);
        AccountResponse response = accountService.updateAccountBalance(userId, request.getInitialBalance());
        return ResponseEntity.ok(response);
    }
    
    private Long getUserId(Authentication authentication) {
        UserDetails userDetails = (UserDetails) authentication.getPrincipal();
        String username = userDetails.getUsername();
        User user = userMapper.selectOne(
            new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<User>()
                .eq(User::getUsername, username)
        );
        return user != null ? user.getId() : null;
    }
}