package com.peanut.modules.book.controller;

import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.peanut.common.utils.R;
import com.peanut.modules.book.entity.UserBookClockEntity;
import com.peanut.modules.book.service.UserBookClockService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.*;

/**
 * @Description: 用户打卡 Controller
 * @Author: Cauchy
 * @CreateTime: 2023/10/11
 */
@Slf4j
@RestController
@RequestMapping("/book/userClockIn")
public class UserBookClockInController {
    @Autowired
    UserBookClockService userBookClockService;

    /**
     * 计算打卡天数
     *
     * @param bookId book ID
     * @param userId user ID
     * @return R
     */
    @RequestMapping(path = "/clockInDays", method = RequestMethod.GET)
    public R clockInDays(@RequestParam("bookId") Integer bookId,
                         @RequestParam("userId") Integer userId) {
        QueryWrapper<UserBookClockEntity> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("book_id", bookId);
        queryWrapper.eq("user_id", userId);
        UserBookClockEntity userBookClock = userBookClockService.getOne(queryWrapper);
        Map<String, Object> result = new HashMap<>();
        if (userBookClock == null) {
            result.put("beginDate", new Date());
            result.put("currentDay", 1);
            result.put("clockInDayList", new ArrayList<>());
            return R.ok(result);
        }
        // 1. 获取打卡初始日期
        Date beginDate = userBookClock.getBeginDate();
        Date today = new Date();
        long between = DateUtil.between(beginDate, today, DateUnit.DAY);
        // 2. 获取打卡天数列表
        String clocksStr = userBookClock.getClocks();
        List<Integer> clockInDayList = JSON.parseObject(clocksStr, new TypeReference<List<Integer>>() {
        });
        result.put("beginDate", beginDate);
        result.put("currentDay", between + 1);
        result.put("clockInDayList", clockInDayList);
        return R.ok(result);
    }

    /**
     * 用户打卡
     *
     * @param bookId book ID
     * @param userId user ID
     * @return R
     */
    @RequestMapping(path = "/clockIn", method = RequestMethod.GET)
    public R clockIn(@RequestParam("bookId") Integer bookId,
                     @RequestParam("userId") Integer userId) {
        // 查询是否有该用户打卡记录，如果没有，说明是第一天打卡
        QueryWrapper<UserBookClockEntity> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("book_id", bookId);
        queryWrapper.eq("user_id", userId);
        UserBookClockEntity userBookClock = userBookClockService.getOne(queryWrapper);
        // 第一天打卡
        if (userBookClock == null) {
            UserBookClockEntity entity = new UserBookClockEntity();
            java.sql.Date beginDate = new java.sql.Date(new Date().getTime());
            List<Integer> clockInDaysList = new ArrayList<>();
            clockInDaysList.add(1);
            String clockInDaysListStr = JSON.toJSON(clockInDaysList).toString();
            entity.setBookId(bookId);
            entity.setUserId(userId);
            entity.setBeginDate(beginDate);
            entity.setClocks(clockInDaysListStr);
            userBookClockService.save(entity);
            return R.ok("打卡成功");
        }
        String clocksStr = userBookClock.getClocks();
        List<Integer> clockInDaysList = JSON.parseObject(clocksStr, new TypeReference<List<Integer>>() {
        });
        Date beginDate = userBookClock.getBeginDate();
        Date today = new Date();
        long between = DateUtil.between(beginDate, today, DateUnit.DAY);
        if (clockInDaysList.contains((int) between + 1)) {
            return R.error("今天打卡已完成,不可重复打卡!");
        }
        clockInDaysList.add((int) (between + 1));
        String clockInDaysListStr = JSON.toJSON(clockInDaysList).toString();
        userBookClock.setClocks(clockInDaysListStr);
        userBookClockService.updateById(userBookClock);
        return R.ok("打卡成功");
    }

    /**
     * 用户补卡接口
     *
     * @param bookId book ID
     * @param userId user ID
     * @param day    补卡 day
     * @return R
     */
    @RequestMapping(value = "/correctClockIn", method = RequestMethod.GET)
    public R correctClockIn(@RequestParam("bookId") Integer bookId,
                            @RequestParam("userId") Integer userId,
                            @RequestParam("day") Integer day) {
        QueryWrapper<UserBookClockEntity> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("book_id", bookId);
        queryWrapper.eq("user_id", userId);
        UserBookClockEntity userBookClock = userBookClockService.getOne(queryWrapper);
        String clocksStr = userBookClock.getClocks();
        List<Integer> clockInDaysList = JSON.parseObject(clocksStr, new TypeReference<List<Integer>>() {
        });
        clockInDaysList.add(day);
        String clockInDaysListStr = JSON.toJSON(clockInDaysList).toString();
        userBookClock.setClocks(clockInDaysListStr);
        userBookClockService.updateById(userBookClock);
        return R.ok("补卡成功");
    }
}