package controllers

import (
	"car-service/extend/code"
	"car-service/models"
	"encoding/json"
	"fmt"
	"github.com/astaxie/beego"
	"net/http"
	"strings"
	"time"
)

type RestrictionController struct {
	beego.Controller
}

// @Title 查询限行尾号
// @Description 查询限行尾号
// @Success 200 {object} controllers.RestrictionResult
// @Failure 403 {string} json ""
// @router /restriction [get]
func (c *RestrictionController) Restriction() {
	resp := code.Code{}
	var restric models.Restriction
	err := restric.GetOne()

	if err == nil {
		resp.Success= true
		resp.Status= http.StatusOK
		now := time.Now()
		nowDate := now.Format("2006-01-02")
		week := now.Weekday()
		result := RestrictionResult{}
		result.CityName = "北京"
		result.Date = nowDate
		result.Week = getWeek(week)
		//周六周日，以及法定节假日不限行
		if week == time.Sunday || week == time.Saturday || isHoliday(nowDate, restric.Holidays) {
			result.IsXianXing = 0
			result.XxWeiHao = []int{}
		} else {
			result.IsXianXing = 1
			//获取限行尾号
			result.XxWeiHao = getXianxingWeiHao(now, nowDate, restric.Setting)
		}
		resp.Data= result
	} else {
		resp.Success= false
		resp.Status= http.StatusBadRequest
		resp.Data= "数据请求失败，请稍后重试"
	}
	c.Data["json"] = resp
	c.ServeJSON()
}

func getXianxingWeiHao(nowTime time.Time, nowDate string, setting string) []int {
	var set []models.SetWeiHao
	err := json.Unmarshal([]byte(setting), &set)
	if err != nil {
		fmt.Println("unmarshal xianxing set err:", err)
		return []int{}
	} else {
		list := make([]int, 0)
		for _,d := range set {
			if isBetween(d.StartTime, d.EndTime, nowDate, nowTime) {
				for _,xx := range d.XianXing {
					if xx.Day == int(nowTime.Weekday()) {
						list = xx.WeiHao
						break
					}
				}
				break
			}
		}
		return list
	}
}

func isBetween(st string, et string, nowDate string, nowTime time.Time) bool {
	if st == nowDate || et == nowDate {
		return true
	} else {
		st, e1 := time.Parse("2006-01-02", st)
		et, e2 := time.Parse("2006-01-02", et)
		if e1 == nil && e2 == nil && st.Before(nowTime) && et.After(nowTime) {
			return true
		}
		return false
	}
}

func getWeek(week time.Weekday) string {
	s := ""
	switch week {
	case time.Sunday:
		s = "星期日"
	case time.Monday:
		s = "星期一"
	case time.Tuesday:
		s = "星期二"
	case time.Wednesday:
		s = "星期三"
	case time.Thursday:
		s = "星期四"
	case time.Friday:
		s = "星期五"
	case time.Saturday:
		s = "星期六"
	default:
		s = ""
	}
	return  s
}

//判断是否是节假日
func isHoliday(nowDate string, holidays string) bool {
	arr := strings.Split(holidays, ",")
	for _,s := range arr {
		if s == nowDate {
			return true
		}
	}
	return false
}

type RestrictionResult struct {
	Date 		string 		`json:"date"`
	Week 		string 		`json:"week"`
	CityName 	string		`json:"cityName"`
	IsXianXing 	int 		`json:"isxianxing"`
	XxWeiHao 	[]int		`json:"xxWeiHao"`
}

//type JuHeResult struct {
//	Reason 		string 					`json:"reason"`
//	Result 		CityRestriction  		`json:"result"`
//	ErrorCode 	int 					`json:"error_code"`
//}
//
//type CityRestriction struct {
//	Date 		string 			`json:"date"`
//	Week 		string 			`json:"week"`
//	City 		string 			`json:"city"`
//	CityName 	string 			`json:"cityname"`
//	Des 		[]interface{}	`json:"des"`
//	Fine 		string 			`json:"fine"`
//	Remarks 	string 			`json:"remarks"`
//	IsXianXing 	int 			`json:"isxianxing"`
//	XXWeiHao 	[]int 			`json:"xxweihao"`
//	Holiday 	string 			`json:"holiday"`
//}

//func getRestrictionInfo() {
//	juHeAppKey := beego.AppConfig.String("juheweihaokey")
//	url := "http://v.juhe.cn/xianxing/index?key="+ juHeAppKey +"&city=beijing&type=1"
//	b, err := util.DoPostRequest(url, util.CONTENT_TYPE_JSON, nil, nil, nil)
//	if err != nil {
//		fmt.Println("err:", err)
//		return
//	}
//	var result JuHeResult
//	err = json.Unmarshal(b, &result)
//	if err != nil {
//		fmt.Println("unmarshal err:", err)
//		return
//	}
//	if result.ErrorCode == 0 {
//		todayRes = &RestrictionResult{
//			Date: result.Result.Date,
//			Week: result.Result.Week,
//			CityName: result.Result.CityName,
//			IsXianXing: result.Result.IsXianXing,
//			XxWeiHao: result.Result.XXWeiHao,
//		}
//		rc := models.Restriction{
//			Date: result.Result.Date,
//			Week: result.Result.Week,
//			CityName: result.Result.CityName,
//			IsXianXing: result.Result.IsXianXing,
//		}
//		var arr []string
//		for _,n := range result.Result.XXWeiHao {
//			arr=append(arr, strconv.Itoa(n))
//		}
//		rc.WeiHao = strings.Join(arr, ",")
//		rc.Insert()
//	}
//}