package com.ltkj.web.controller.mall;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;

import cn.hutool.core.date.DateTime;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.ltkj.common.utils.DateUtils;
import com.ltkj.system.service.ISysConfigService;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import com.ltkj.common.annotation.Log;
import com.ltkj.common.core.controller.BaseController;
import com.ltkj.common.core.domain.AjaxResult;
import com.ltkj.common.enums.BusinessType;
import com.ltkj.mall.domain.MallTimeConfig;
import com.ltkj.mall.service.IMallTimeConfigService;
import com.ltkj.common.utils.poi.ExcelUtil;
import com.ltkj.common.core.page.TableDataInfo;

/**
 * 预约时间Controller
 *
 * @author ltkj_赵佳豪&李格
 * @date 2023-07-18
 */
@RestController
@RequestMapping("/mall/timeConfig")
public class MallTimeConfigController extends BaseController {
    @Autowired
    private IMallTimeConfigService mallTimeConfigService;

    @Autowired
    private ISysConfigService configService;

//    /**
//     * 小程序查询预约时间近几天
//     */
//    @GetMapping("/listByDay")
//    public AjaxResult listByDay() {
//        String wx_yy_days = configService.selectConfigByKey("wx_yy_days");
//        int day = Integer.parseInt(wx_yy_days);
//
//        LambdaQueryWrapper<MallTimeConfig> wq = new LambdaQueryWrapper<>();
//        wq.orderByDesc(MallTimeConfig::getTime);
//        wq.gt(MallTimeConfig::getTime, new Date());
//        List<MallTimeConfig> list = mallTimeConfigService.list(wq);
//        if (list == null) {
//            return AjaxResult.success(list);
//        }
//        if (list.size() < day) {
//            return AjaxResult.success(list);
//        }
//        final List<MallTimeConfig> mallTimeConfigs = list.subList(0, day);
//        //final List<MallTimeConfig> collect = list.stream().sorted().limit(day).collect(Collectors.toList());
//        return AjaxResult.success(mallTimeConfigs);
//    }


    /**
     * 查询预约时间是否存在
     */
    @GetMapping("/isExist")
    public AjaxResult isExist(@RequestParam String time) {
        if (time != null) {
            LambdaQueryWrapper<MallTimeConfig> wq = new LambdaQueryWrapper<>();
            wq.eq(MallTimeConfig::getTime, time);
            List<MallTimeConfig> list = mallTimeConfigService.list(wq);
            if (list != null && list.size() > 0) {
                return AjaxResult.success(1);
            } else {
                return AjaxResult.success(0);
            }
        }
        return AjaxResult.error("出错了，请联系工作人员！");
    }

    /**
     * 查询预约时间列表
     */
    @PreAuthorize("@ss.hasPermi('mall:timeConfig:list')")
    @GetMapping("/list")
    public TableDataInfo list(MallTimeConfig mallTimeConfig) {
        startPage();
        List<MallTimeConfig> list = mallTimeConfigService.selectMallTimeConfigList(mallTimeConfig);
        return getDataTable(list);
    }

    /**
     * 导出预约时间列表
     */
    @PreAuthorize("@ss.hasPermi('mall:timeConfig:export')")
    @Log(title = "预约时间", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(HttpServletResponse response, MallTimeConfig mallTimeConfig) {
        List<MallTimeConfig> list = mallTimeConfigService.selectMallTimeConfigList(mallTimeConfig);
        ExcelUtil<MallTimeConfig> util = new ExcelUtil<MallTimeConfig>(MallTimeConfig.class);
        util.exportExcel(response, list, "预约时间数据");
    }

    /**
     * 获取预约时间详细信息
     */
    @PreAuthorize("@ss.hasPermi('mall:timeConfig:query')")
    @GetMapping(value = "/{id}")
    public AjaxResult getInfo(@PathVariable("id") Long id) {
        return success(mallTimeConfigService.selectMallTimeConfigById(id));
    }


    /**
     * 返回当前表中最大时间
     */
    @GetMapping("/returnLastTime")
    public AjaxResult returnLastTime() {
        final MallTimeConfig one = mallTimeConfigService.getOne(new LambdaQueryWrapper<MallTimeConfig>().orderByDesc(MallTimeConfig::getTime).last("limit 1"));
        //A.after(B)  A>B返回True
        if (one != null && one.getTime().after(new Date())) {
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(one.getTime());
            calendar.add(Calendar.DATE, 1);
            Date nextDate = calendar.getTime();
            return AjaxResult.success(nextDate);
        //A.before(B)  A<B返回True
        } else if (one != null && one.getTime().before(new Date())) {
            //如果表里最大时间 小于今天
            GregorianCalendar ca0 = new GregorianCalendar();
            GregorianCalendar ca1 = new GregorianCalendar();
            ca0.setTime(one.getTime());
            ca1.setTime(new Date());
            //获取ca0和ca1的年，月，日，对比是否相同
            if (ca0.get(GregorianCalendar.YEAR) == ca1.get(GregorianCalendar.YEAR) &&
                    ca0.get(GregorianCalendar.MONTH) == ca1.get(GregorianCalendar.MONTH)&&
                    ca0.get(GregorianCalendar.DAY_OF_MONTH) == ca1.get(GregorianCalendar.DAY_OF_MONTH)) {
                //判断是不是今天  是今天返回+1
                Calendar calendar = Calendar.getInstance();
                Date currentDate = new Date();
                calendar.setTime(currentDate);
                calendar.add(Calendar.DATE, 1);
                Date nextDate = calendar.getTime();
                return AjaxResult.success(nextDate);
            } else {
                //不是今天 返回今天
                Calendar calendar = Calendar.getInstance();
                Date currentDate = new Date();
                calendar.setTime(currentDate);
                //当天不能挂当天就把这段代码打开
//            calendar.add(Calendar.DATE, 1);
                Date nextDate = calendar.getTime();
                return AjaxResult.success(nextDate);
            }
        } else {
            Calendar calendar = Calendar.getInstance();
            Date currentDate = new Date();
            calendar.setTime(currentDate);
            calendar.add(Calendar.DATE, 1);
            Date nextDate = calendar.getTime();
            return AjaxResult.success(nextDate);
        }
    }


    /**
     * 新增预约时间
     */
    @PreAuthorize("@ss.hasPermi('mall:timeConfig:add')")
    @Log(title = "预约时间", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@RequestBody MallTimeConfig mallTimeConfig) {
        try {
            List<String> dates = findEveryDay(mallTimeConfig.getStartTime(), mallTimeConfig.getEndTime());
            for (String date : dates) {
                mallTimeConfig.setTime(DateUtils.parseDate(date));
                mallTimeConfigService.insertMallTimeConfig(mallTimeConfig);
            }
            return AjaxResult.success("添加成功");
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return AjaxResult.error("添加失败！");
    }

    /**
     * 传入两个时间范围，返回这两个时间范围内的所有日期，并保存在一个集合中
     *
     * @param beginTime
     * @param endTime
     */
    public static List<String> findEveryDay(String beginTime, String endTime)
            throws ParseException {
        //1.创建一个放所有日期的集合
        List<String> dates = new ArrayList();
        //2.创建时间解析对象规定解析格式
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

        //3.将传入的时间解析成Date类型,相当于格式化
        Date dBegin = sdf.parse(beginTime);
        Date dEnd = sdf.parse(endTime);
        //4.将格式化后的第一天添加进集合
        dates.add(sdf.format(dBegin));
        //5.使用本地的时区和区域获取日历
        Calendar calBegin = Calendar.getInstance();
        //6.传入起始时间将此日历设置为起始日历
        calBegin.setTime(dBegin);
        //8.判断结束日期是否在起始日历的日期之后
        while (dEnd.after(calBegin.getTime())) {
            // 9.根据日历的规则:月份中的每一天，为起始日历加一天
            calBegin.add(Calendar.DAY_OF_MONTH, 1);
            //10.得到的每一天就添加进集合
            dates.add(sdf.format(calBegin.getTime()));
            //11.如果当前的起始日历超过结束日期后,就结束循环
        }
        return dates;
    }

    /**
     * 修改预约时间
     */
    @PreAuthorize("@ss.hasPermi('mall:timeConfig:edit')")
    @Log(title = "预约时间", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@RequestBody MallTimeConfig mallTimeConfig) {
        return toAjax(mallTimeConfigService.updateMallTimeConfig(mallTimeConfig));
    }

    /**
     * 删除预约时间
     */
    @PreAuthorize("@ss.hasPermi('mall:timeConfig:remove')")
    @Log(title = "预约时间", businessType = BusinessType.DELETE)
    @DeleteMapping("/{ids}")
    public AjaxResult remove(@PathVariable Long[] ids) {
        return toAjax(mallTimeConfigService.deleteMallTimeConfigByIds(ids));
    }
}