package com.kmall.admin.controller.statistics;

import com.kmall.admin.fromcomm.entity.SysUserEntity;
import com.kmall.admin.service.statistics.MonthlyCustomersService;
import com.kmall.common.utils.R;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @author zhangchuangbiao
 * @version 1.0
 * 2020-09-01 14:35
 */
@RestController
@RequestMapping("/monthly")
public class MonthlyCustomersController {

    @Autowired
    private MonthlyCustomersService monthlyCustomersService;


    private void calculateDifferentMonth(List<String> monthList, String startMonth, String endMonth) throws ParseException {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
        Calendar bef = Calendar.getInstance();
        Calendar aft = Calendar.getInstance();
        bef.setTime(sdf.parse(startMonth));
        aft.setTime(sdf.parse(endMonth));

        do {
            monthList.add(sdf.format(bef.getTime()));
            bef.add(Calendar.MONTH, 1);
        }
        while (bef.compareTo(aft) <= 0);

    }

    @RequestMapping("/customersQuery")
    public R queryMonthlyCustomers(@RequestParam("startMonth") String startMonth, @RequestParam("endMonth") String endMonth) {

        List<String> dateList = new ArrayList<>();
        Map<String, Object> returnMap = new HashMap<>();
        try {
            calculateDifferentMonth(dateList, startMonth, endMonth);
        } catch (ParseException e) {
            e.printStackTrace();
        }

        try {
            String merchSn = null;
            SysUserEntity sysUser = (SysUserEntity) SecurityUtils.getSubject().getPrincipal();
            if(!"1".equals(sysUser.getRoleType())){
                merchSn = sysUser.getMerchSn();
            }


            Map<String,Object> map = monthlyCustomersService.queryMonthlyCustomers(startMonth,endMonth,merchSn);

            returnMap.put("dateList", dateList);
            returnMap.putAll(map);
        } catch (Exception e) {
            e.printStackTrace();
            return R.error(e.getMessage());
        }


        return R.ok(returnMap);
    }


    @RequestMapping("/top10ForProduct")
    public R top10ForProduct(@RequestParam("month") String month, @RequestParam("week") String week){

        Map<String,Object> map = monthlyCustomersService.top10ForProduct(month,week);

        return R.ok(map);
    }


    @RequestMapping("/top10ByBrandAndSupplier")
    public R top10ByBrandAndSupplier(@RequestParam("startDate") String startDate,
                                     @RequestParam("endDate") String endDate){

        Map<String,Object> map = monthlyCustomersService.top10ByBrandAndSupplier(startDate,endDate);

        return R.ok(map);
    }


}