local FamilyChooseTimeView = {}

local M = FamilyChooseTimeView

function FamilyChooseTimeView.new(data, callback)
    setmetatable(M, { __index = BaseWindow })
    local self = setmetatable({}, { __index = M })
    self.class = "FamilyChooseTimeView"
    self._data = data
    self._callback = callback
    self._close_destroy = true
    self:init("ui://Family/FamilyChooseTime")
    return self
end

function M:init(url)
    getmetatable(M).__index.init(self, url)

    local view = self._view
    self._viewList = view:GetChild('list')
    self._viewList:SetVirtual()
    self._viewList.itemRenderer = handler(self, self.ListRenderer)
    self._viewList.onClickItem:Set(handler(self, self.ClickListItem))

    view:GetChild('btn_confirm').onClick:Set(function()
        self._callback(self._data_times[self._left_Index], self._data_times[self._right_Index])
        self:Destroy()
    end)

    view:GetChild('btn_cancel').onClick:Set(function()
        self:Destroy()
    end)

    self:FillData()
end

function M:InitTime()
    local dataTable = os.date("*t")
    dataTable.hour = 0
    dataTable.min = 0
    dataTable.sec = 0
    local timeStasmp = os.time(dataTable)
    return timeStasmp
end

function M:ClickListItem(context)
    local item = context.data
    local index = self._viewList:GetChildIndex(item) + 1
    if index > self._selectedIndex then
        self._left_Index = self._selectedIndex
        self._right_Index = index
    else
        self._right_Index = self._selectedIndex
        self._left_Index = index
    end
    self._selectedIndex = index
    self._viewList:RefreshVirtualList()
end

function M:ListRenderer(index, obj)
    if index >= self._left_Index - 1 and index < self._right_Index then
        obj.selected = true
    else
        obj.selected = false
    end
    if index == 0 then
        obj.text = "今天"
        return
    end
    if index == 1 then
        obj.text = "昨天"
        return
    end
    obj.text = os.date("%d", self._data_times[index + 1])
end

function M:FillData()
    local data = self._data
    local days = data.days or 7
    self._data_times = {}
    local dataTable = os.date("*t")
    dataTable.hour = 0
    dataTable.min = 0
    dataTable.sec = 0
    local timeStasmp = os.time(dataTable)
    local leftTime = data.left or timeStasmp
    local rightTime = data.right or timeStasmp
    for i = 1, days do
        local thisTimeStamp = timeStasmp - (i - 1) * 86400
        if leftTime == thisTimeStamp then
            self._left_Index = i
        end
        if rightTime == thisTimeStamp then
            self._right_Index = i
        end
        table.insert(self._data_times, thisTimeStamp)
    end
    self._selectedIndex = self._left_Index
    self._viewList.numItems = days


    self:Show()
end

-- 打开窗口
function M:Show()
    getmetatable(M).__index.Show(self)
end

-- 关闭窗口
function M:Close()
    getmetatable(M).__index.Close(self)
end

-- 销毁窗口
function M:Destroy()

    getmetatable(M).__index.Destroy(self)
end

return M