--[[-----------------------------------------------------------------------------
BlizOptionsGroup Container
Simple container widget for the integration of AceGUI into the Blizzard Interface Options
-------------------------------------------------------------------------------]]
local Type, Version = "BlizOptionsGroup", 26
local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then
    return
end

-- Lua APIs
local pairs = pairs

-- WoW APIs
local CreateFrame = CreateFrame

--[[-----------------------------------------------------------------------------
Scripts
-------------------------------------------------------------------------------]]

local function OnShow(frame)
    frame.obj:Fire("OnShow")
end

local function OnHide(frame)
    frame.obj:Fire("OnHide")
end

--[[-----------------------------------------------------------------------------
Support functions
-------------------------------------------------------------------------------]]

local function okay(frame)
    frame.obj:Fire("okay")
end

local function cancel(frame)
    frame.obj:Fire("cancel")
end

local function default(frame)
    frame.obj:Fire("default")
end

local function refresh(frame)
    frame.obj:Fire("refresh")
end

--[[-----------------------------------------------------------------------------
Methods
-------------------------------------------------------------------------------]]

local methods = {
    ["OnAcquire"] = function(self)
        self:SetName()
        self:SetTitle()
    end,

    -- ["OnRelease"] = nil,

    ["OnWidthSet"] = function(self, width)
        local content = self.content
        local contentwidth = width - 63
        if contentwidth < 0 then
            contentwidth = 0
        end
        content:SetWidth(contentwidth)
        content.width = contentwidth
    end,

    ["OnHeightSet"] = function(self, height)
        local content = self.content
        local contentheight = height - 26
        if contentheight < 0 then
            contentheight = 0
        end
        content:SetHeight(contentheight)
        content.height = contentheight
    end,

    ["SetName"] = function(self, name, parent)
        self.frame.name = name
        self.frame.parent = parent
    end,

    ["SetTitle"] = function(self, title)
        local content = self.content
        content:ClearAllPoints()
        if not title or title == "" then
            content:SetPoint("TOPLEFT", 10, -10)
            self.label:SetText("")
        else
            content:SetPoint("TOPLEFT", 10, -40)
            self.label:SetText(title)
        end
        content:SetPoint("BOTTOMRIGHT", -10, 10)
    end
}

--[[-----------------------------------------------------------------------------
Constructor
-------------------------------------------------------------------------------]]
local function Constructor()
    local frame = CreateFrame("Frame", nil, InterfaceOptionsFramePanelContainer)
    frame:Hide()

    -- support functions for the Blizzard Interface Options
    frame.okay = okay
    frame.cancel = cancel
    frame.default = default
    frame.refresh = refresh

    -- 10.0 support function aliases (cancel has been removed)
    frame.OnCommit = okay
    frame.OnDefault = default
    frame.OnRefresh = refresh

    frame:SetScript("OnHide", OnHide)
    frame:SetScript("OnShow", OnShow)

    local label = frame:CreateFontString(nil, "OVERLAY", "GameFontNormalLarge")
    label:SetPoint("TOPLEFT", 10, -15)
    label:SetPoint("BOTTOMRIGHT", frame, "TOPRIGHT", 10, -45)
    label:SetJustifyH("LEFT")
    label:SetJustifyV("TOP")

    --Container Support
    local content = CreateFrame("Frame", nil, frame)
    content:SetPoint("TOPLEFT", 10, -10)
    content:SetPoint("BOTTOMRIGHT", -10, 10)

    local widget = {
        label = label,
        frame = frame,
        content = content,
        type = Type
    }
    for method, func in pairs(methods) do
        widget[method] = func
    end

    return AceGUI:RegisterAsContainer(widget)
end

AceGUI:RegisterWidgetType(Type, Constructor, Version)
