package service

import (
	"leit.com/aps_engine/models"
	"time"
)

// 周模型
type WeekModelSrv struct {
	WeekModelNr		int
	ValidFromDate	time.Time
	DayModelNrArray	[]int
	WeekModelTab	models.Weekmodel
}

// 初始化
func(wmsrv *WeekModelSrv)Init(wmtab models.Weekmodel){
	var (
		i		int
	)

	wmsrv.WeekModelTab		= wmtab
	wmsrv.WeekModelNr 		= wmsrv.WeekModelTab.Weekmodelnr
	wmsrv.ValidFromDate		= time.Now()
	wmsrv.DayModelNrArray	= []int{}
	for i = 0; i < wmsrv.WeekModelTab.Loopdays; i++ {
		if i < len(wmsrv.WeekModelTab.Itemlst) {
			wmsrv.DayModelNrArray = append(wmsrv.DayModelNrArray, wmsrv.WeekModelTab.Itemlst[i].Daymodelnr)
		}else{
			wmsrv.DayModelNrArray = append(wmsrv.DayModelNrArray, 0 )
		}
	}
}

// 基于指定日期获取对应的日模型号
func(wmsrv *WeekModelSrv)GetDayModelNrByDate(spdate time.Time)(DayModelNr int){
	var(
		crossdays, moddays int
	)

	crossdays 	= GetCrossDays(wmsrv.ValidFromDate, spdate)
	moddays		= crossdays % wmsrv.WeekModelTab.Loopdays
	if moddays < len(wmsrv.DayModelNrArray){
		DayModelNr 	= wmsrv.DayModelNrArray[moddays]
	}else{
		DayModelNr	= 0
	}
	return
}