package fight

import (
	"blazing/logic/service/fight/info"
	"blazing/logic/service/fight/input"
)

// BuildFightStateStartEnvelope 构造开战阶段的统一状态包。
func (f *FightC) BuildFightStateStartEnvelope() info.FightStateEnvelope {
	return f.buildFightStateEnvelope(info.FightStatePhaseStart, 2504)
}

// BuildFightStateSkillHurtEnvelope 构造技能结算阶段的统一状态包。
func (f *FightC) BuildFightStateSkillHurtEnvelope() info.FightStateEnvelope {
	envelope := f.buildFightStateEnvelope(info.FightStatePhaseSkillHurt, 2505)
	envelope.SkillHurt = &info.FightSkillHurtState{
		Left:  f.collectAttackValues(f.Our),
		Right: f.collectAttackValues(f.Opp),
	}
	return envelope
}

// BuildFightStateChangeEnvelope 构造切宠阶段的统一状态包。
func (f *FightC) BuildFightStateChangeEnvelope(change info.ChangePetInfo) info.FightStateEnvelope {
	envelope := f.buildFightStateEnvelope(info.FightStatePhaseChange, 2407)
	envelope.Change = &change
	return envelope
}

// BuildFightStateOverEnvelope 构造结束阶段的统一状态包。
func (f *FightC) BuildFightStateOverEnvelope() info.FightStateEnvelope {
	envelope := f.buildFightStateEnvelope(info.FightStatePhaseOver, 2506)
	envelope.Meta.WinnerID = f.FightOverInfo.WinnerId
	envelope.Meta.Reason = f.FightOverInfo.Reason
	return envelope
}

// BuildFightStateLoadEnvelope 构造加载阶段的统一状态包。
func (f *FightC) BuildFightStateLoadEnvelope(userID, percent uint32) info.FightStateEnvelope {
	envelope := f.buildFightStateEnvelope(info.FightStatePhaseLoad, 2441)
	envelope.Load = &info.FightLoadState{
		UserID:  userID,
		Percent: percent,
	}
	return envelope
}

// BuildFightStateChatEnvelope 构造聊天阶段的统一状态包。
func (f *FightC) BuildFightStateChatEnvelope(senderID uint32, senderNickname, message string) info.FightStateEnvelope {
	envelope := f.buildFightStateEnvelope(info.FightStatePhaseChat, 50002)
	envelope.Chat = &info.FightChatState{
		SenderID:       senderID,
		SenderNickname: senderNickname,
		Message:        message,
	}
	return envelope
}

// buildFightStateEnvelope 组装左右两侧通用快照和元数据。
func (f *FightC) buildFightStateEnvelope(phase info.FightStatePhase, legacyCmd uint32) info.FightStateEnvelope {
	if f == nil {
		return info.FightStateEnvelope{Phase: phase}
	}
	return info.FightStateEnvelope{
		Phase: phase,
		Left:  snapshotFighterStates(SideOur, f.Our),
		Right: snapshotFighterStates(SideOpp, f.Opp),
		Meta: info.FightStateMeta{
			Round:     uint32(f.Round),
			WinnerID:  f.FightOverInfo.WinnerId,
			Reason:    f.FightOverInfo.Reason,
			LegacyCmd: legacyCmd,
		},
	}
}

// snapshotFighterStates 把指定侧的战斗位数组转成统一 fighter 快照。
func snapshotFighterStates(side int, fighters []*input.Input) []info.FighterState {
	states := make([]info.FighterState, 0, len(fighters))
	for position, fighter := range fighters {
		if fighter == nil {
			continue
		}
		state := info.FighterState{
			Side:     side,
			Position: position,
		}
		if fighter.Player != nil && fighter.Player.GetInfo() != nil {
			state.UserID = fighter.Player.GetInfo().UserID
		}
		if fighter.AttackValue != nil {
			state.Status = fighter.AttackValue.Status
			state.Prop = fighter.AttackValue.Prop
		}
		currentPet := fighter.CurrentPet()
		if currentPet == nil {
			states = append(states, state)
			continue
		}
		state.ControllerUserID = currentPet.ControllerUserID
		state.PetID = currentPet.Info.ID
		state.CatchTime = currentPet.Info.CatchTime
		state.Name = currentPet.Info.Name
		state.HP = currentPet.Info.Hp
		state.MaxHP = currentPet.Info.MaxHp
		state.Level = currentPet.Info.Level
		if len(currentPet.Info.SkillList) > 0 {
			state.Skills = append(state.Skills, currentPet.Info.SkillList...)
		}
		states = append(states, state)
	}
	return states
}