-- <*
--     @Author:        Saber
--     @Description:   主界面舞姿选择界面
-- *>
DanceMainUISelectPoseView = DanceMainUISelectPoseView or BaseClass(BaseView)
local DanceMainUISelectPoseView = DanceMainUISelectPoseView
local table_insert = table.insert
function DanceMainUISelectPoseView:__init()
    self.base_file = "dance"
    self.layout_file = "DanceMainUISelectPoseView"
    self.layer_name = "Activity"
    self.destroy_imm = true
    self.use_background = true     --全屏界面默认使用这个参数,非全屏界面自行设置
    self.background_alpha = 0 -- 特殊处理，全透明的背景蒙版
    self.click_bg_toClose = true
    self.model = DanceModel:getInstance()
    self.random_dance_flag = self.model:GetIsRandomPose()
    self.main_role = RoleManager.Instance.mainRoleInfo

    self.load_callback = function () 
        self:LoadSuccess()
        self:AddEvent()
    end
    self.open_callback = function (  )
        self:UpdateView()
    end
    self.destroy_callback = function (  )
        self:DestroySuccess()
    end
end

function DanceMainUISelectPoseView:Open(pos)
    self.pos = pos or Vector3(0, 0, 0)
    BaseView.Open(self)
end

function DanceMainUISelectPoseView:LoadSuccess()
    local nodes = {
        "bg",
        "pose_scroll", 
        "pose_scroll/Viewport/pose_con", 
        "random_tog:obj:tog", 
    }
    self:GetChildren(nodes)
    SetAnchoredPosition(self.transform, self.pos.x + 137, self.pos.y + 125)
    self.random_tog_tog.isOn = self.random_dance_flag
end

function DanceMainUISelectPoseView:AddEvent()
    local function click_event(target)
        if target == self.random_tog_obj then
            self.random_dance_flag = self.random_tog_tog.isOn
        end
    end
    AddClickEvent(self.random_tog_obj, click_event)

    local function on_dance_pose_change()
        self:UpdateDanceSelected()
    end
    self.on_dance_pose_change_id = self.main_role:BindOne("dance_status", on_dance_pose_change)

    local function update_dance_data()
        self:UpdateView()
    end
    self:BindEvent(self.model, DanceModel.UPDATE_DANCE_POSES_DATA, update_dance_data)
end

-- 根据规则初始化节点高度
function DanceMainUISelectPoseView:InitScrollRectHeight(item_num)
    -- 舞姿节点少于4个时，只显示一行内容，其他情况显示两行内容
    if item_num <= 4 then
        SetSizeDeltaY(self.bg, 120)
        SetSizeDeltaY(self.pose_scroll, 84)
    else
        SetSizeDeltaY(self.bg, 206)
        SetSizeDeltaY(self.pose_scroll, 170)
    end
end

function DanceMainUISelectPoseView:UpdateView()
    -- 由于需要插入第一个特殊节点，还需要剔除未激活的舞姿，所以这边需要重新提取出数据
    local data = self.model:GetDancePoseDataList()
    local activated_dance_data = {}
    -- 插入特殊节点
    local special_first_data = {
        is_special_data = true
    }
    table_insert(activated_dance_data, special_first_data)
    -- 提取出已激活的舞姿
    for k, v in pairs(data) do
        if v.activated then
            table_insert(activated_dance_data, v)
        end
    end
    self:InitScrollRectHeight(#activated_dance_data)
    
    self.pose_item_creator = self.pose_item_creator or self:AddUIComponent(UI.ItemListCreator)
    local cur_dance_id = self.main_role.dance_status
    local info = {
        data_list = activated_dance_data, 
        scroll_view = self.pose_scroll,
        item_con = self.pose_con, 
        item_class = DanceMainUISelectPoseItem,
        item_height = 78,
        item_width = 78,
        start_x = 2,
        start_y = -3.5,
        space_x = 8,
        space_y = 8,
        create_frequency = 0.01,
        is_scroll_back_on_update = true,
        alignment = UnityEngine.TextAnchor.UpperLeft,
        on_update_item = function(item, i, v)
            item:SetData(v)
            item:SetSelected(cur_dance_id)
        end,
    }
    self.pose_item_creator:UpdateItems(info)
end

function DanceMainUISelectPoseView:UpdateDanceSelected()
    local dance_id = self.main_role.dance_status
    -- print("Saber:DanceMainUISelectPoseView [114] dance_id: ",dance_id)
    if self.pose_item_creator then
        self.pose_item_creator:IterateItems(function(item, i)
            item:SetSelected(dance_id)
        end)
    end
    -- 切换舞姿后，在更新完选中框之后关闭舞姿界面
    if self.model._need_pose_select_view_close then
        self:Close()
    end
end

function DanceMainUISelectPoseView:DestroySuccess(  )
    -- 关闭界面时，切换随机舞姿状态
    self.model:Fire(DanceModel.REQUEST_CCMD_EVENT, 42503, self.random_dance_flag and 1 or 0)

    if self.on_dance_pose_change_id then
        self.main_role:UnBind(self.on_dance_pose_change_id)
        self.on_dance_pose_change_id = nil
    end
    -- 重置自动关闭舞姿界面的标志量
    self.model._need_pose_select_view_close = false
end