package com.designhub.controller;

import com.designhub.common.Result;
import com.designhub.entity.CheckIn;
import com.designhub.service.CheckInService;
import com.designhub.util.JwtUtil;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 签到Controller
 */
@Slf4j
@Tag(name = "签到系统", description = "每日签到相关API")
@RestController
@RequestMapping("/api/check-in")
@RequiredArgsConstructor
public class CheckInController {

    private final CheckInService checkInService;
    private final JwtUtil jwtUtil;

    @Operation(summary = "用户签到")
    @PostMapping
    public Result<CheckIn> checkIn(@RequestHeader("Authorization") String authHeader) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        if (userId == null) {
            return Result.error(401, "未登录或登录已过期");
        }
        CheckIn checkIn = checkInService.checkIn(userId);
        return Result.success(checkIn);
    }

    @Operation(summary = "检查今天是否已签到")
    @GetMapping("/today")
    public Result<Boolean> hasCheckedInToday(@RequestHeader("Authorization") String authHeader) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        if (userId == null) {
            return Result.error(401, "未登录或登录已过期");
        }
        boolean checked = checkInService.hasCheckedInToday(userId);
        return Result.success(checked);
    }

    @Operation(summary = "获取签到历史记录")
    @GetMapping("/history")
    public Result<List<CheckIn>> getCheckInHistory(
        @RequestHeader("Authorization") String authHeader,
        @RequestParam(defaultValue = "30") Integer limit
    ) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        if (userId == null) {
            return Result.error(401, "未登录或登录已过期");
        }
        List<CheckIn> history = checkInService.getUserCheckInHistory(userId, limit);
        return Result.success(history);
    }

    @Operation(summary = "获取签到统计信息")
    @GetMapping("/stats")
    public Result<Map<String, Object>> getCheckInStats(@RequestHeader("Authorization") String authHeader) {
        String token = jwtUtil.extractTokenFromHeader(authHeader);
        Long userId = jwtUtil.getUserIdFromToken(token);
        if (userId == null) {
            return Result.error(401, "未登录或登录已过期");
        }
        Map<String, Object> stats = new HashMap<>();
        stats.put("continuousDays", checkInService.getContinuousDays(userId));
        stats.put("totalDays", checkInService.getTotalCheckInDays(userId));
        stats.put("hasCheckedInToday", checkInService.hasCheckedInToday(userId));
        return Result.success(stats);
    }
}