package com.izouma.nineth.service;

import com.izouma.nineth.domain.MetaTask;
import com.izouma.nineth.domain.MetaTaskToUser;
import com.izouma.nineth.dto.MetaRestResult;
import com.izouma.nineth.enums.MetaTaskStatus;
import com.izouma.nineth.repo.MetaTaskRepo;
import com.izouma.nineth.repo.MetaTaskToUserRepo;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.Objects;

@Service
@AllArgsConstructor
@Slf4j
public class MetaTaskToUserService {

    private MetaTaskToUserRepo metaTaskToUserRepo;

    private MetaTaskRepo metaTaskRepo;


    public MetaRestResult<MetaTaskToUser> getTask(MetaTaskToUser metaTaskToUser) {
        if (Objects.nonNull(metaTaskToUser.getId())) {
            return MetaRestResult.returnError("参数不合法：id必须为空");
        }
        if (Objects.isNull(metaTaskToUser.getTaskId())) {
            return MetaRestResult.returnError("参数不合法：任务id不可为空");
        }
        if (Objects.isNull(metaTaskToUser.getUserId())) {
            return MetaRestResult.returnError("参数不合法：用户id不可为空");
        }
        MetaTask metaTask = metaTaskRepo.findByIdAndDel(metaTaskToUser.getTaskId(), false);
        if (Objects.isNull(metaTask)) {
            String errMsg = String.format("根据任务id[%S]查询不到任务详情", metaTaskToUser.getTaskId());
            log.info(errMsg);
            return MetaRestResult.returnError(errMsg);
        }
        if (Objects.isNull(metaTask.getType())) {
            String errMsg = String.format("任务[%S]缺少任务类型", metaTaskToUser.getTaskId());
            log.info(errMsg);
            return MetaRestResult.returnError(errMsg);
        }
        switch (metaTask.getType()) {
            case ONLY_ONE:
                MetaTaskToUser dbMetaTaskToUser = metaTaskToUserRepo.findByUserIdAndTaskIdAndDel(metaTaskToUser.getUserId(), metaTaskToUser.getTaskId(), false);
                if (Objects.nonNull(dbMetaTaskToUser)) {
                    String errMsg = String.format("任务[%S]只允许领取一次，当前用户已在[%S]领取过该任务", metaTask.getName(), dbMetaTaskToUser.getGetTime());
                    log.info(errMsg);
                    return MetaRestResult.returnError(errMsg);
                }
                break;
            case DAILY:
                LocalDateTime now = LocalDateTime.now();
                LocalDateTime startTime = now.withHour(0).withMinute(0).withSecond(0);
                MetaTaskToUser dailyMetaTaskToUser = metaTaskToUserRepo.findByCondition(metaTaskToUser.getUserId(), metaTaskToUser.getTaskId(), startTime);
                if (Objects.nonNull(dailyMetaTaskToUser)) {
                    String errMsg = String.format("任务[%S]每天只允许领取一次，当前用户已在[%S]领取过该任务", metaTask.getName(), dailyMetaTaskToUser.getGetTime());
                    log.info(errMsg);
                    return MetaRestResult.returnError(errMsg);
                }
                break;
            case MULTIPLE:
                break;
            default:
                return MetaRestResult.returnError(String.format("不存在的任务类型[%S]", metaTask.getType()));
        }
        metaTaskToUser.setGetTime(LocalDateTime.now());
        metaTaskToUser.setStatus(MetaTaskStatus.GET);
        return MetaRestResult.returnSuccess(metaTaskToUserRepo.save(metaTaskToUser));
    }
}