package com.punchsettle.server.task;

import com.punchsettle.server.atomic.entity.Account;
import com.punchsettle.server.atomic.entity.AccountTransferHistory;
import com.punchsettle.server.atomic.entity.SettleUserHistory;
import com.punchsettle.server.atomic.entity.User;
import com.punchsettle.server.atomic.service.IAccountService;
import com.punchsettle.server.atomic.service.IAccountTransferHistoryService;
import com.punchsettle.server.atomic.service.ISettleUserHistoryService;
import com.punchsettle.server.atomic.service.IUserService;
import com.punchsettle.server.constant.AccountCategoryEnum;
import com.punchsettle.server.constant.TransferCategoryEnum;
import com.punchsettle.server.pojo.account.AccountQuery;
import com.punchsettle.server.pojo.settle.SettleUserHistoryQuery;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * @author tyuio
 * @version 1.0.0
 * @date 2025/5/6 19:31
 * @description 积分分发 定时任务
 */
@Slf4j
@Component
public class PointsDistributeTask {

    @Autowired
    private ISettleUserHistoryService settleUserHistoryService;

    @Autowired
    private IUserService userService;

    @Autowired
    private IAccountService accountService;

    @Autowired
    private IAccountTransferHistoryService accountTransferHistoryService;

    public void execute() {
        log.info("========== 积分分发定时任务 开始执行 ==========");
        // 结算日期
        LocalDate settleDate = LocalDate.now().minusDays(1);

        // 查询结算记录
        SettleUserHistoryQuery settleUserHistoryQuery = new SettleUserHistoryQuery();
        settleUserHistoryQuery.setSettleDate(settleDate.toString());
        List<SettleUserHistory> settleUserHistories = settleUserHistoryService.querySettleUserHistory(settleUserHistoryQuery);

        if (CollectionUtils.isEmpty(settleUserHistories)) {
            log.info("========== 积分分发定时任务，没有可分发的积分 结束执行 ==========");
            return;
        }

        // 用户ID-用户结算记录关联
        Map<Long, SettleUserHistory> settleUserHistoryMap = settleUserHistories.stream().collect(Collectors.toMap(SettleUserHistory::getUserId, Function.identity(), (key1, key2) -> key1));
        // 用户ID列表
        Set<Long> userIds = settleUserHistories.stream().map(SettleUserHistory::getUserId).collect(Collectors.toSet());

        // 用户信息， 用户ID-用户信息关联
        List<User> users = userService.listByIds(userIds);
        Map<Long, User> userMap = users.stream().collect(Collectors.toMap(User::getId, Function.identity(), (key1, key2) -> key1));

        // 获取账户信息，用户ID-账户信息关联
        AccountQuery accountQuery = new AccountQuery();
        accountQuery.setAccountCategory(AccountCategoryEnum.BASIC);
        accountQuery.setUserIds(userIds);
        List<Account> accounts = accountService.getAccountByCondition(accountQuery);
        Map<Long, Account> accountMap = accounts.stream().collect(Collectors.toMap(Account::getUserId, Function.identity(), (key1, key2) -> key1));

        // 用户信息 更新列表
        List<User> updateUserList = new ArrayList<>();
        // 账户信息 更新列表
        List<Account> updateAccountList = new ArrayList<>();
        // 转账记录 新增列表
        List<AccountTransferHistory> addAccountTransferHistories = new ArrayList<>();
        // 结算用户信息 更新列表
        List<SettleUserHistory> updateSettleUserHistories = new ArrayList<>();

        for (Long userId : userIds) {
            // 用户信息
            User user = userMap.get(userId);
            // 账户信息
            Account account = accountMap.get(userId);
            // 结算信息
            SettleUserHistory settleUserHistory = settleUserHistoryMap.get(userId);
            // 结算积分
            Integer settlePoints = Optional.ofNullable(settleUserHistory.getSettlePoints()).orElse(0);

            // 获取并设置用户信息
            Integer beforeTotalPoints = Optional.ofNullable(user.getTotalPoints()).orElse(0);
            Integer beforeUnusedPoints = Optional.ofNullable(user.getUnusedPoints()).orElse(0);
            User updateUser = new User();
            updateUser.setId(user.getId());
            updateUser.setTotalPoints(beforeTotalPoints + settlePoints);
            updateUser.setUnusedPoints(beforeUnusedPoints + settlePoints);
            updateUserList.add(user);

            // 更新账户信息
            Integer beforeAccountPoints = Optional.ofNullable(account.getPoints()).orElse(0);
            account.setPoints(beforeAccountPoints + settlePoints);
            updateAccountList.add(account);

            // 增加账户转账记录
            AccountTransferHistory accountTransferHistory = new AccountTransferHistory();
            accountTransferHistory.setTransferPoints(settlePoints);
            accountTransferHistory.setTransferCategory(TransferCategoryEnum.SETTLE);
            accountTransferHistory.setRecipientAccountId(account.getId());
            accountTransferHistory.setRaPointsAfterTransfer(beforeAccountPoints);
            accountTransferHistory.setRaPointsAfterTransfer(account.getPoints());
            addAccountTransferHistories.add(accountTransferHistory);

            // 设置结算积分记录
            SettleUserHistory updateSettleUserHistory = new SettleUserHistory();
            updateSettleUserHistory.setBeforeSettlePoints(beforeTotalPoints);
            updateSettleUserHistory.setAfterSettlePoints(beforeTotalPoints + settlePoints);
            updateSettleUserHistories.add(updateSettleUserHistory);
        }

        if (!CollectionUtils.isEmpty(updateUserList)) {
            userService.batchUpdate(updateUserList);
        }

        if (!CollectionUtils.isEmpty(updateAccountList)) {
            accountService.batchUpdate(updateAccountList);
        }

        if (!CollectionUtils.isEmpty(addAccountTransferHistories)) {
            accountTransferHistoryService.insertList(addAccountTransferHistories);
        }

        if (!CollectionUtils.isEmpty(updateSettleUserHistories)) {
            settleUserHistoryService.insertList(updateSettleUserHistories);
        }

        log.info("========== 积分分发定时任务 结束执行 ==========");
    }
}