package com.tailbet.controller;

import com.tailbet.model.dto.ReceiveRpDTO;
import com.tailbet.model.dto.SendRpDTO;
import com.tailbet.model.entity.RedPacket;
import com.tailbet.model.entity.RedPacketRecv;
import com.tailbet.model.vo.R;
import com.tailbet.model.vo.UserContext;
import com.tailbet.service.IGameService;
import com.tailbet.service.IRedPacketService;
import com.tailbet.util.RedisLockUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.*;

/**
 * 红包Controller
 */
@RestController
@RequestMapping("/api/rp")
@RequiredArgsConstructor
public class RedPacketController {

    private final IRedPacketService redPacketService;
    private final IGameService gameService;

    /**
     * 发红包
     */
    @PostMapping("/send")
    public R<RedPacket> sendRp(@RequestBody SendRpDTO dto) {
        Long userId = UserContext.getUserId();
        // roundId从当前group的RP_SENDING状态局获取
        var sendingRound = gameService.getRpSendingRound(dto.getGroupId());
        Long roundId = sendingRound == null ? null : sendingRound.getId();
        var rp = redPacketService.sendRp(userId, dto.getGroupId(),
                dto.getTotalAmount(), dto.getTotalCount(), roundId);
        return R.ok(rp);

    }

    /**
     * 领红包
     */
    @PostMapping("/receive")
    public R<RedPacketRecv> receiveRp(@RequestBody ReceiveRpDTO dto) {
        Long userId = UserContext.getUserId();
        // 使用分布式锁防止多领
        var recv = RedisLockUtil.lock("rp:receive:" + dto.getRpId(),
                () -> redPacketService.receiveRp(dto.getRpId(), userId));
        if (recv == null) {
            return R.fail("领取失败，请重试");
        }
        return R.ok(recv);

    }

    /**
     * 获取红包详情
     */
    @GetMapping("/detail")
    public R<RedPacket> detail(Long rpId) {
        var rp = redPacketService.getById(rpId);
        return R.ok(rp);
    }
}