package controller

import (
	"blazing/common/socket/errorcode"
	"blazing/logic/service/common"
	"blazing/logic/service/fight"
	"blazing/logic/service/player"
)

const (
	petEVMaxTotal  uint32 = 510
	petEVMaxSingle uint32 = 255
)

// PetEVDiy 自定义分配宠物努力值（EV）
// data: 包含宠物捕获时间和EV分配数据的输入信息
// c: 当前玩家对象
// 返回: 分配结果和错误码
func (h Controller) PetEVDiy(data *PetEV, c *player.Player) (result *fight.NullOutboundInfo, err errorcode.ErrorCode) {
	slot, found := c.FindPetBagSlot(data.CacthTime)
	if !found {
		return nil, errorcode.ErrorCodes.Err10401
	}

	currentPet := slot.PetInfoPtr()
	if currentPet == nil {
		return nil, errorcode.ErrorCodes.Err10401
	}

	var targetTotal uint32
	var currentTotal uint32
	for i, evValue := range data.EVs {
		currentEV := currentPet.Ev[i]

		// 单项分配不能超过上限。
		if evValue > petEVMaxSingle {
			return nil, errorcode.ErrorCodes.Err10401
		}

		targetTotal += evValue
		if targetTotal > petEVMaxTotal {
			return nil, errorcode.ErrorCodes.Err10401
		}

		// 不允许回退已分配的努力值。
		if evValue < currentEV {
			return nil, errorcode.ErrorCodes.Err10401
		}
		currentTotal += currentEV
	}

	usedEV := targetTotal - currentTotal
	if usedEV == 0 {
		return result, 0
	}

	// 新增分配不能超过玩家累计学习力池。
	if int64(usedEV) > c.Info.EVPool {
		return nil, errorcode.ErrorCodes.Err10401
	}

	currentPet.Ev = data.EVs
	currentPet.CalculatePetPane(100)
	c.Info.EVPool -= int64(usedEV)

	// result = &pet.S2C_50001{}
	// result.UseEV = -int32(usedEV)
	return result, 0
}

// PetEV 定义请求或响应数据结构。
type PetEV struct {
	Head      common.TomeeHeader `cmd:"50001" struc:"skip"`
	CacthTime uint32             `description:"捕捉时间" codec:"cacthTime"`
	EVs       [6]uint32          `description:"属性" codec:"evs"`
}