local Base = require("Battle/Logic/AI/Decision/Decision_Base")
local Decision_MultiBossChangeTarget = class("Decision_MultiBossChangeTarget", Base)

--[[
	初始化
--]]
function Decision_MultiBossChangeTarget:initialize(entity)
    --类型
    self.Type = LuaConst.DecisionType.MultiBossChangeTarget

    --瞬时
    self.IsOnce = true
end

--[[
	输出指令
--]]
function Decision_MultiBossChangeTarget:SetCommand(entity, decisionData, command)
    command.DecisionID = decisionData.ID
    return command
end

--[[
	执行
--]]
function Decision_MultiBossChangeTarget:Handle(entity, decisionData, stateType, animName)
    if entity.components.target.Target == nil or not entity.components.target.Target:IsAlive() or not entity.components.target.Target:IsActive() then
        local bossPriority = LevelManager.CurLevelFunc:GetBossPriority(entity.EntityID)
        if bossPriority > 0 then
            local heroEntities = LevelPlayerManager.GetPlayerEntitysByPlayerIDInRoom(1)
            if heroEntities then
                if bossPriority == 1 then
                    --第一顺位Boss，是主boss，锁定玩家操作的目标
                    SystemManager.SetTarget(entity, heroEntities[1])
                else
                    --后续顺位Boss，优先按照自己的顺位选择锁定目标，如果自己顺位没有对应目标，就从最低顺位开始找第一个活着且激活的目标
                    local heroCount = #heroEntities
                    local hero = heroEntities[bossPriority]
                    if hero and hero:IsAlive() and hero:IsActive() then
                        SystemManager.SetTarget(entity, hero)
                    else
                        for i=heroCount,1,-1 do
                            hero = heroEntities[i]
                            if hero:IsAlive() and hero:IsActive() then
                                SystemManager.SetTarget(entity, hero)
                                break
                            end
                        end
                    end
                end                
            end
        end
    end
    return LuaConst.StateType.None,nil
end

return Decision_MultiBossChangeTarget