package genPool

import (
	"f1-game/internal/data"
	"f1-game/internal/enum"

	ctime "github.com/cherry-game/cherry/extend/time"
)

const (
	CountKey         = "count"
	PeriodEndTimeKey = "periodEndTime"
)

type GenPoolItem struct {
	GenPoolID     int32 // 产出池ID
	ItemID        int32 // 道具ID
	Count         int64 // 已产出数量
	PeriodEndTime int64 // 周期结束时间
}

func NewGenPoolItem(GenPoolID, itemID int32) *GenPoolItem {
	return &GenPoolItem{
		GenPoolID: GenPoolID,
		ItemID:    itemID,
		Count:     0,
	}
}

// 检查是否可以重置
func (p *GenPoolItem) CheckReset(nowTime ctime.CherryTime) bool {
	// 未到到重置时间
	if nowTime.ToMillisecond() > p.PeriodEndTime {
		return true
	}

	return false
}

// 根据时间类型，计算周期结束时间
func (p *GenPoolItem) CalcPeriodEndTime(nowTime ctime.CherryTime) int64 {
	genPoolRow, _ := data.GenPool.GetByIDItemID(p.GenPoolID, p.ItemID)
	switch genPoolRow.TimeType {
	case enum.GenPoolTimeType_Hour: // 每小时
		return nowTime.EndOfHour().ToMillisecond()
	case enum.GenPoolTimeType_Day: // 每天
		return nowTime.EndOfDay().ToMillisecond()
	case enum.GenPoolTimeType_Week: // 每周
		return nowTime.EndOfWeek().ToMillisecond()
	case enum.GenPoolTimeType_Month: // 每月
		return nowTime.EndOfMonth().ToMillisecond()
	default:
		return 0
	}
}

// 重置产出数量并刷新周期结束时间
func (p *GenPoolItem) ResetCount(nowTime ctime.CherryTime) {
	p.Count = 0
	p.PeriodEndTime = p.CalcPeriodEndTime(nowTime)
}

// 增加产出数量
func (p *GenPoolItem) AddCount(count int64) {
	p.Count += count
}

// 获取可产出数量
func (p *GenPoolItem) GetCanCount(add int64) int64 {
	genPoolRow, _ := data.GenPool.GetByIDItemID(p.GenPoolID, p.ItemID)
	// 剩余可产出数量
	remaining := genPoolRow.Num - p.Count

	return min(remaining, add)
}