package items

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	cfg "go_dreamfactory/sys/configure/structs"

	"google.golang.org/protobuf/proto"
)

//参数校验
func (this *apiComp) UseitemCheck(session comm.IUserSession, req *pb.ItemsUseItemReq) (code pb.ErrorCode) {
	if req.GridId == "" || req.Amount <= 0 || req.Select < 0 {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

//使用道具
func (this *apiComp) Useitem(session comm.IUserSession, req *pb.ItemsUseItemReq) (code pb.ErrorCode, data proto.Message) {
	var (
		err    error
		item   *pb.DB_UserItemData
		itemcf *cfg.Game_itemData
		prop   []*cfg.Game_propsgroupData
	)
	if code = this.UseitemCheck(session, req); code != pb.ErrorCode_Success {
		return
	}
	if item, err = this.module.modelItems.QueryUserPackByGridId(session.GetUserId(), req.GridId); err != nil {
		code = pb.ErrorCode_ReqParameterError
		return
	}
	if itemcf, err = this.module.configure.GetItemConfigure(item.ItemId); err != nil {
		code = pb.ErrorCode_ConfigurationException
		return
	}
	switch itemcf.Usetype {
	case 1: //英雄碎片
		if prop, err = this.module.configure.GetPropsgroupConfigure(itemcf.BoxId); err != nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		if itemcf.SynthetizeNum*int32(req.Amount) > int32(item.Amount) { //碎片数量不够
			code = pb.ErrorCode_ItemsNoEnough
			return
		}
		if code = this.module.AddItemforGrid(&comm.ModuleCallSource{}, session, req.GridId, -1*itemcf.SynthetizeNum*int32(req.Amount), true); code != pb.ErrorCode_Success {
			return
		}
		sale := RandomProps(prop)
		if code = this.module.ModuleHero.GetSpecifiedHero(session, sale.Prize.T, sale.Star, 0, int32(req.Amount)); code != pb.ErrorCode_Success {
			return
		}
	case 4: //自选宝箱
		if prop, err = this.module.configure.GetPropsgroupConfigure(itemcf.BoxId); err != nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		if code = this.module.AddItemforGrid(&comm.ModuleCallSource{}, session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {
			return
		}
		var sale *cfg.Game_atn
		for _, v := range prop {
			if v.Key == req.Select {
				sale = &cfg.Game_atn{
					A: v.Prize.A,
					T: v.Prize.T,
					N: v.Prize.N,
				}
			}
		}
		if sale == nil {
			this.module.Errorf("no found target sale:%v", req.Select)
			code = pb.ErrorCode_ReqParameterError
			return
		}

		sale.N = sale.N * int32(req.Amount)
		if code = this.module.DispenseRes(session, []*cfg.Game_atn{sale}, true); code != pb.ErrorCode_Success {
			return
		}
	case 5: //随机宝箱
		if prop, err = this.module.configure.GetPropsgroupConfigure(itemcf.BoxId); err != nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		sale := make([]*cfg.Game_atn, req.Amount)
		for i, _ := range sale {
			sale[i] = RandomProps(prop).Prize
		}
		if code = this.module.AddItemforGrid(&comm.ModuleCallSource{}, session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {
			return
		}
		if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
			return
		}
	case 6: //箱子
		if prop, err = this.module.configure.GetPropsgroupConfigure(itemcf.BoxId); err != nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		sale := make([]*cfg.Game_atn, len(prop))
		for i, v := range prop {
			sale[i] = &cfg.Game_atn{
				A: v.Prize.A,
				T: v.Prize.T,
				N: v.Prize.N,
			}
			sale[i].N = v.Prize.N * int32(req.Amount)
		}
		if code = this.module.AddItemforGrid(&comm.ModuleCallSource{}, session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {
			return
		}
		if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
			return
		}
		break
	default:
		code = pb.ErrorCode_ItemsUseNotSupported
		return
	}
	session.SendMsg(string(this.module.GetType()), "useitem", &pb.ItemsUseItemResp{GridId: req.GridId, Amount: req.Amount, Issucc: true})
	return
}