package com.izouma.nineth.web;
import com.izouma.nineth.domain.Invite;
import com.izouma.nineth.domain.Rice;
import com.izouma.nineth.domain.RiceInvite;
import com.izouma.nineth.domain.RiceOperationRecord;
import com.izouma.nineth.dto.R;
import com.izouma.nineth.enums.RiceOperationType;
import com.izouma.nineth.repo.*;
import com.izouma.nineth.service.*;
import com.izouma.nineth.dto.PageQuery;
import com.izouma.nineth.exception.BusinessException;
import com.izouma.nineth.utils.ObjUtils;
import com.izouma.nineth.utils.excel.ExcelUtils;
import lombok.AllArgsConstructor;
import org.springframework.data.domain.Page;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;
import java.util.Optional;

@RestController
@RequestMapping("/riceInvite")
@AllArgsConstructor
public class RiceInviteController extends BaseController {
    private RiceInviteService riceInviteService;
    private RiceInviteRepo riceInviteRepo;
    private RiceService riceService;
    private RiceRepo riceRepo;
    private UserDetailService userDetailService;
    private UserDetailRepo userDetailRepo;
    private UserService userService;
    private UserRepo userRepo;
    private RiceInviteRepo RiceInviteRepo;
    private RiceInviteService RiceInviteService;
    private SysConfigService sysConfigService;
    private SysConfigRepo sysConfigRepo;
    private RiceOperationRecordRepo riceOperationRecordRepo;


    //@PreAuthorize("hasRole('ADMIN')")
    @PostMapping("/save")
    public RiceInvite save(@RequestBody RiceInvite record) {
        if (record.getId() != null) {
            RiceInvite orig = riceInviteRepo.findById(record.getId()).orElseThrow(new BusinessException("无记录"));
            ObjUtils.merge(orig, record);
            return riceInviteRepo.save(orig);
        }
        return riceInviteRepo.save(record);
    }
    //@PreAuthorize("hasRole('ADMIN')")
    @PostMapping("/all")
    public Page<RiceInvite> all(@RequestBody PageQuery pageQuery) {
        return riceInviteService.all(pageQuery);
    }
    @GetMapping("/get/{id}")
    public RiceInvite get(@PathVariable Long id) {
        return riceInviteRepo.findById(id).orElseThrow(new BusinessException("无记录"));
    }
    @PostMapping("/del/{id}")
    public void del(@PathVariable Long id) {
        riceInviteRepo.softDelete(id);
    }
    @GetMapping("/excel")
    @ResponseBody
    public void excel(HttpServletResponse response, PageQuery pageQuery) throws IOException {
        List<RiceInvite> data = all(pageQuery).getContent();
        ExcelUtils.export(response, data);
    }



    //邀请别人并认领水滴
    @PostMapping("/inviteAndClaimWaterDrop")
    public R<?> inviteAndClaimWaterDrop(@RequestParam Long inviterId, @RequestParam Long inviteeId) {
        // 检查邀请是否重复
        Optional<RiceInvite> invite = riceInviteRepo.findByInviterIdAndInviteeId(inviterId, inviteeId);
        if (invite.isPresent()) {
            return R.error("邀请已发送，请勿重复发送");
        }
        // 创建邀请记录
        RiceInvite newInvite = new RiceInvite();
        newInvite.setInviterId(inviterId);
        newInvite.setInviteeId(inviteeId);
        newInvite.setCreateTime(System.currentTimeMillis());
        riceInviteRepo.save(newInvite);

        // 增加邀请者的水滴数
        Optional<Rice> inviterRice = riceRepo.findById(inviterId);
        if (!inviterRice.isPresent()) {
            return R.error("未找到邀请者的用户信息");
        }
        Rice rice = inviterRice.get();
        Long beforeWaterDropCount = rice.getWaterDropCount();
        rice.setWaterDropCount(rice.getWaterDropCount() + 1);
        riceRepo.save(rice);
        createRiceOperationRecord(inviterId,RiceOperationType.WATER_DROP,1L,beforeWaterDropCount,rice.getWaterDropCount());
        return R.success("邀请成功并领取水滴").add("waterDropCount", rice.getWaterDropCount());
    }


    private void createRiceOperationRecord(Long userId, RiceOperationType type, Long amount, Long beforeAmount, Long afterAmount) {
        RiceOperationRecord record = new RiceOperationRecord();
        record.setUserId(userId);
        record.setType(type);
        record.setAmount(amount);
        record.setBeforeAmount(beforeAmount);
        record.setAfterAmount(afterAmount);
        riceOperationRecordRepo.save(record);
    }

}