package com.xuekairui.activity.controller;

import com.xuekairui.activity.dto.ActivityCheckinCycleStatusResponse;
import com.xuekairui.activity.dto.ActivityInviteStatusResponse;
import com.xuekairui.activity.dto.ActivityLotteryResultResponse;
import com.xuekairui.activity.dto.ActivityLotteryStatusResponse;
import com.xuekairui.activity.entity.ActivityLotteryRecord;
import com.xuekairui.activity.service.ActivityCheckinCycleService;
import com.xuekairui.activity.service.ActivityInviteService;
import com.xuekairui.activity.service.ActivityLotteryService;
import com.xuekairui.common.Result;
import jakarta.servlet.http.HttpServletRequest;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 活动接口（用户端）
 * <p>
 * 统一暴露邀请有礼、签到送会员、比价抽奖三类活动的用户端能力。
 */
@RestController
@RequestMapping("/api/activity")
@RequiredArgsConstructor
public class ActivityController {

    private final ActivityInviteService activityInviteService;
    private final ActivityCheckinCycleService activityCheckinCycleService;
    private final ActivityLotteryService activityLotteryService;

    // ========== 邀请有礼 ==========

    /**
     * 邀请有礼活动状态（含邀请人已获奖励次数、剩余次数）
     * GET /api/activity/invite/status
     */
    @GetMapping("/invite/status")
    public Result<ActivityInviteStatusResponse> inviteStatus(HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(activityInviteService.getStatus(userId));
    }

    // ========== 签到送会员 ==========

    /**
     * 签到送会员周期状态（当前周期签到天数、是否达标、累计领取次数、剩余次数）
     * GET /api/activity/checkin-cycle/status
     */
    @GetMapping("/checkin-cycle/status")
    public Result<ActivityCheckinCycleStatusResponse> checkinCycleStatus(HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(activityCheckinCycleService.getStatus(userId));
    }

    // ========== 比价抽奖 ==========

    /**
     * 比价抽奖活动状态（今日可用机会、资格）
     * GET /api/activity/lottery/status
     */
    @GetMapping("/lottery/status")
    public Result<ActivityLotteryStatusResponse> lotteryStatus(HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(activityLotteryService.getStatus(userId));
    }

    /**
     * 执行抽奖
     * POST /api/activity/lottery/draw
     */
    @PostMapping("/lottery/draw")
    public Result<ActivityLotteryResultResponse> draw(HttpServletRequest request) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(activityLotteryService.draw(userId));
    }

    /**
     * 我的抽奖记录
     * GET /api/activity/lottery/records?limit=20
     */
    @GetMapping("/lottery/records")
    public Result<List<ActivityLotteryRecord>> lotteryRecords(HttpServletRequest request,
                                                              @RequestParam(required = false) Integer limit) {
        Long userId = (Long) request.getAttribute("userId");
        return Result.success(activityLotteryService.listMyRecords(userId, limit));
    }
}