package srvdata

import (
	"sort"
)

func init() {
	DataMgr.RegisterLoader("DB_Game_Drop.dat", GameDropMgrSingleton)
}

var GameDropMgrSingleton = &GameDropMgr{}

type GameDropMgr struct {
	GameDropData []*GameDropData
}

func (this *GameDropMgr) Load(fileFullPath string) error {
	GameDropMgrSingleton.Init()
	return nil
}

func (this *GameDropMgr) Reload(fileFullPath string) error {
	GameDropMgrSingleton.Init()
	return nil
}

type GameDropData struct {
	Id        int32
	BaseCoin  int64
	ItemId    int32
	Rate      int32
	MinAmount int32
	MaxAmount int32
}

func (this *GameDropMgr) ModuleName() string {
	return "GameDropMgr"
}

func (this *GameDropMgr) Init() {
	this.GameDropData = this.GameDropData[:0]
	if PBDB_Game_DropMgr.Datas == nil {
		return
	}
	for _, v := range PBDB_Game_DropMgr.Datas.Arr {
		//道具
		if v.Amount1 == nil || len(v.Amount1) != 2 {
			continue
		}
		if v.Rate1 <= 0 {
			continue
		}

		gdd1 := &GameDropData{
			Id:        v.Id,
			BaseCoin:  int64(v.Bet),
			ItemId:    v.ItemId1,
			Rate:      v.Rate1,
			MinAmount: v.Amount1[0],
			MaxAmount: v.Amount1[1],
		}
		this.GameDropData = append(this.GameDropData, gdd1)
	}
	sort.Slice(this.GameDropData, func(i, j int) bool {
		return this.GameDropData[i].BaseCoin < this.GameDropData[j].BaseCoin
	})

}

func (this *GameDropMgr) GetDropInfoByBaseScore(baseCoin int32) []*GameDropData {
	var ret []*GameDropData
	arr := this.GameDropData
	if len(arr) == 0 {
		return ret
	}
	i := sort.Search(len(arr), func(i int) bool {
		return arr[i].BaseCoin > int64(baseCoin)
	})

	f := func(n int64, i int) {
		for ; i >= 0; i-- {
			if arr[i].BaseCoin == n {
				ret = append(ret, arr[i])
			} else {
				break
			}
		}
	}

	// 找到
	if i < len(arr) && i > 0 {
		n := arr[i-1].BaseCoin
		f(n, i-1)
	}

	if len(ret) == 0 {
		// 没找到，最大底注是否可用
		i = len(arr) - 1
		n := arr[i].BaseCoin
		if n <= int64(baseCoin) {
			f(n, i)
		}
	}

	return ret
}