-- 移动行为

--> Services
local ServerStorage = game:GetService("ServerStorage")

--> Dependencies
local TypeList = require(ServerStorage:WaitForChild("Base").TypeList)
local Behaviour = require(ServerStorage:WaitForChild("Base").Behaviour)
local MobsProxy = require(ServerStorage:WaitForChild("Proxy").MobsProxy)

--------------------------------------------------------------------------------

local Move = {}
Move.__index = Move
setmetatable(Move, {__index = Behaviour})

local ATTACK_DISTANCE = 8

function Move:Init(PlayerAI, Character: TypeList.Character, Player: Player)
    local self = Behaviour:Init(PlayerAI, Character, script.Name)
    self.Player = Player
    self.Mobs = nil
    setmetatable(self, Move)
    return self
end

function Move:Check(CheckInfo: table)
    if Behaviour.CheckStat(self) then return -1, self.CheckData end
    self:CheckClean()

    self.Mobs = MobsProxy:GetPlayerMobs(self.Player)

    local closestMob, minDistance = nil, math.huge
    for _, Mob in self.Mobs do
        if Mob.Instance and Mob.Instance.PrimaryPart then
            local dist = (Mob.Instance.PrimaryPart.Position - self.Character.Instance.PrimaryPart.Position).Magnitude
            if dist < minDistance then
                minDistance = dist
                closestMob = Mob
            end
        end
    end

    self.CheckData = {}
    if closestMob then
        local distance = (closestMob.Instance.PrimaryPart.Position - self.Character.Instance.PrimaryPart.Position).Magnitude
        if distance > ATTACK_DISTANCE then
            self.CheckData["ClosestCharacter"] = closestMob
            return 10, self.CheckData
        end
    end

    -- 返回优先级，执行数据
    return -1, self.CheckData
end

function Move:Execute()
    if self.ExeTask then task.cancel(self.ExeTask) end
    self.ExeTask = task.spawn(function ()
        self:ChangeExecutingState(true)

        -- 新移动朝向
        local TargetCharacter = self.CheckData["ClosestCharacter"].Instance
        local TargetPosition = TargetCharacter:GetPivot().Position
        local CharacterPosition = self.Character.Instance:GetPivot().Position
        local Direction = (TargetPosition - CharacterPosition).Unit
        local MoveToPosition = TargetPosition - (Direction * ATTACK_DISTANCE)

        self.Character.Humanoid:MoveTo(MoveToPosition)

        -- 旧内容
        -- self.Character.Humanoid:MoveTo(self.CheckData["ClosestCharacter"].Instance:GetPivot().Position)
        task.wait(0.2)
        self:ChangeExecutingState(false)
    end)
end

return Move