package item

import (
	"f1-game/internal/code"
	"f1-game/internal/data"
	"f1-game/internal/enum"
	facade "f1-game/internal/facade"
	nameRoute "f1-game/internal/name/route"
	"f1-game/internal/pb"
	sessions "f1-game/internal/sessions"
	"f1-game/internal/types"
	"f1-game/nodes/game/internal/db"

	ao "f1-game/nodes/game/player/asset/origin"

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

var srv = &service{
	use: newServiceUse(),
}

func Service() *service {
	return srv
}

type service struct {
	facade.PlayerServiceBase[*db.PlayerTable]
	use serviceUse
}

// func (*service) OnLogin(playerTable *db.PlayerTable, session *cproto.Session) {

// }

// func (p *service) OnLogined(playerTable *db.PlayerTable, session *cproto.Session) {

// }

// func (p *service) OnLogout(playerTable *db.PlayerTable) {

// }

func (p *service) OnReset(playerTable *db.PlayerTable, time *ctime.CherryTime, byLogin bool) {
	// 跨天重置药品使用情况
	itemTable := db.GetItemTable(playerTable.PlayerID)
	if len(itemTable.MedicineMap) > 0 {
		for k := range itemTable.MedicineMap {
			delete(itemTable.MedicineMap, k)
		}

		itemTable.Save2Queue()

		session, found := sessions.GetSession(playerTable.PlayerID)
		if found {
			// 推送药品使用情况
			medicineResp := pb.I32Map{
				Value: itemTable.MedicineMap,
			}
			sessions.PushWithSession(session, nameRoute.PushGamePlayer_ItemMedicineUse, &medicineResp)
		}
	}
}

// Push 推送道具列表
func (p *service) Push(playerTable *db.PlayerTable, session *cproto.Session) {
	itemTable := db.GetItemTable(playerTable.PlayerID)

	rsp := &pb.ItemList{
		Currencies:   itemTable.CurrencyMap.ToProto(),
		Items:        itemTable.ItemMap.ToProto(),
		MedicineUses: itemTable.MedicineMap,
	}

	sessions.PushWithSession(session, nameRoute.PushGamePlayer_ItemList, rsp)
}

// ChangePush 道具变更推送
func (p *service) ChangePush(playerID int64, itemIDList ...int32) {
	if len(itemIDList) < 1 {
		return
	}

	var (
		itemTable = db.GetItemTable(playerID)
		rsp       = &pb.ItemList{
			Items: map[int32]*pb.Asset{},
		}
	)

	for _, id := range itemIDList {
		// 不推送地图里面的资源
		if enum.IsMapCurrency(id) {
			continue
		}

		// 道具数量为 0 的会从 ItemMap 删除
		proto := pb.Asset{
			Id:  id,
			Num: itemTable.ItemMap.GetNum(id),
		}

		rsp.Items[id] = &proto
	}

	if len(rsp.Items) < 1 {
		return
	}

	sessions.PushPlayer(playerID, nameRoute.PushGamePlayer_ItemChange, rsp)
}

func (p *service) Contain(playerID int64, itemID int32) int32 {
	itemTable := db.GetItemTable(playerID)

	if _, found := data.Item.GetByID(itemID); !found {
		return code.ConfigNotFound_Item
	}

	itemEntity, found := itemTable.ItemMap.Get(itemID)
	if !found || itemEntity.Num < 1 {
		return code.ItemNotEnough
	}

	return code.OK
}

// 检测道具是否足够
func (p *service) Enough(playerID int64, id int32, num int64) int32 {
	if num < 1 {
		return code.ItemNumError
	}

	itemTable := db.GetItemTable(playerID)

	itemEntity, found := itemTable.ItemMap.Get(id)
	if !found || itemEntity.Num < num {
		return code.ItemNotEnough
	}

	return code.OK
}

func (p *service) Add(playerID int64, itemID int32, num int64, origin ao.Origin, save, push bool) (types.Asset, int32) {
	// 读取道具配置
	itemTable := db.GetItemTable(playerID)
	data, found := data.Item.GetByID(itemID)
	if !found {
		return types.NoneAsset, code.ConfigNotFound_Item
	}

	if data.ParseType != enum.AssetType_Item {
		return types.NoneAsset, code.ItemTypeError
	}

	if num < 1 {
		return types.NoneAsset, code.ItemNumError
	}

	entity, ok := itemTable.ItemMap.Increase(itemID, num)
	if !ok {
		return types.NoneAsset, code.ItemNotEnough
	}

	if save {
		itemTable.Save2Queue()
	}

	if push {
		p.ChangePush(playerID, entity.ItemID)
	}

	returnAsset := types.Asset{
		ID:  itemID,
		Num: num,
	}

	return returnAsset, code.OK
}

func (p *service) Sub(playerID int64, itemID int32, num int64, origin ao.Origin, save, push bool) int32 {
	itemTable := db.GetItemTable(playerID)

	if num < 1 {
		return code.ItemNumError
	}

	entity, ok := itemTable.ItemMap.Decrease(itemID, num)
	if !ok {
		return code.ItemNotEnough
	}

	if save {
		itemTable.Save2Queue()
	}

	if push {
		p.ChangePush(playerID, entity.ItemID)
	}

	return code.OK
}

func (p *service) Get(playerID int64, id int32) int64 {
	itemTable := db.GetItemTable(playerID)

	if itemEntity, found := itemTable.ItemMap.Get(id); found {
		return itemEntity.Num
	}

	return 0
}

func (p *service) Use(playerID int64, req *pb.ItemUseRequest, poolID, useType int32) (types.Assets, int32) {
	// 找到使用解析器
	parser, found := p.use.get(enum.ItemUseType(useType))
	if !found {
		return nil, code.ItemUseTypeError
	}

	// 获取将要添加的资源
	return parser.Use(playerID, req, poolID)
}