package models

import (
	"fmt"
	"github.com/golang/protobuf/proto"
	"pro2d/common"
	"pro2d/common/logger"
	"pro2d/pb"
)

//背包系统
func (m *RoleModel) GetItemCount(key string) uint32 {
	c, ok := m.Items[key]
	if !ok {
		c = 0
	}
	return c.(uint32)
}

func (m *RoleModel) CostItem(key string, count int32) bool {
	if uint32(count) > m.GetItemCount(key) {
		return false
	}
	return m.AddItem(key, -count)
}

func (m *RoleModel) CostItems(params common.IMapString) bool {
	for k, v := range params {
		if v.(uint32) > m.GetItemCount(k) {
			return false
		}

		m.AddItem(k, -v.(int32))
	}
	return true
}

func (m *RoleModel) AddItem(key string, count int32) bool {
	c := m.GetItemCount(key)

	num := int32(c) + count
	if num > 0 {
		m.Items[key] = uint32(num)
	} else {
		delete(m.Items, key)
	}
	m.SetProperty("items", common.MapToString(m.Items))

	rsp, err := proto.Marshal(&pb.RoleUpdateItemsRsp{Items: fmt.Sprintf("%s=%d", key, num)})
	if err != nil {
		logger.Error(err.Error())
		return true
	}
	m.GetConn().Send(0, uint32(pb.ProtoCode_RoleUpdateItemsRsp), rsp)
	return true
}

func (m *RoleModel) AddItems(params common.IMapString) bool {
	tmp := make(common.IMapString)
	for k, v := range params {
		c := m.GetItemCount(k)

		num := c + v.(uint32)
		if num > 0 {
			m.Items[k] = num
			tmp[k] = num
		} else {
			delete(m.Items, k)
		}
	}

	m.SetProperty("items", common.MapToString(m.Items))

	rsp, err := proto.Marshal(&pb.RoleUpdateItemsRsp{Items: common.MapToString(tmp)})
	if err != nil {
		logger.Error(err.Error())
		return true
	}

	if m.GetConn() != nil {
		m.GetConn().Send(0, uint32(pb.ProtoCode_RoleUpdateItemsRsp), rsp)
	}

	return true
}