---@type Diesal.Menu
local DiesalMenu = LibStub("DiesalMenu-2.0")

-- ~~| Libraries |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
---@type Diesal.Tools
local DiesalTools = LibStub("DiesalTools-2.0")
---@type Diesal.Style
local DiesalStyle = LibStub("DiesalStyle-2.0")
---@type Diesal.GUI
local DiesalGUI = LibStub("DiesalGUI-2.0")

-- ~~| Diesal Upvalues |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
local Colors = DiesalStyle.Colors
local HSL, ShadeColor, TintColor = DiesalTools.HSL, DiesalTools.ShadeColor, DiesalTools.TintColor
-- | Lua Upvalues |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- | WoW Upvalues |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- | MenuItem |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
local Type = "DiesalMenuItem"
local Version = 2
-- | Stylesheets |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
local Stylesheet = {
    ["frame-hover"] = {
        type = "texture",
        layer = "HIGHLIGHT",
        color = Colors.UI_1000,
        alpha = 0.1,
    },
    ["text-color"] = {
        type = "Font",
        color = "cbcbcb",
    },
}
-- | Locals |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-- | Methods |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
---@class Diesal.Menu.MenuItem
local methods = {
    ["OnAcquire"] = function(self)
        self:ApplySettings()
        self:SetStylesheet(Stylesheet)
        -- self:SetStylesheet(wireFrame)
        self:Show()
    end,
    ["OnRelease"] = function(self) end,
    ["ApplySettings"] = function(self)
        if not self.settings.itemData then
            return false
        end

        local settings = self.settings
        local menuSettings = settings.parentObject.settings
        local itemData = settings.itemData
        local text = self.text
        local check = self.check
        local arrow = self.arrow

        local checkWidth = menuSettings.check and settings.checkWidth or settings.textPadLeft
        local arrowWidth = menuSettings.arrow and settings.arrowWidth or settings.textPadRight
        local textWidthMax = settings.widthMax - arrowWidth - checkWidth

        if settings.position == 1 then
            self:SetPoint("TOPLEFT")
            self:SetPoint("RIGHT")
        else
            self:SetPoint("TOPLEFT", settings.parentObject.children[settings.position - 1].frame, "BOTTOMLEFT", 0, 0)
            self:SetPoint("RIGHT")
        end

        if itemData.type == "spacer" then
            self.frame:EnableMouse(false)
            self:SetHeight(settings.spacerHeight)
        else
            self.frame:EnableMouse(true)
            self:SetHeight(settings.height)
        end

        self:SetText(itemData.name)
        text:SetPoint("LEFT", checkWidth, 0)
        text:SetPoint("RIGHT", -arrowWidth, 0)

        arrow[menuSettings.arrow and itemData.menuData and "Show" or "Hide"](arrow)
        check[menuSettings.check and itemData.check and itemData.check() and "Show" or "Hide"](check)

        local textWidth = DiesalTools.Round(text:GetStringWidth()) + 10
        local itemWidth = checkWidth + textWidth + arrowWidth

        menuSettings.itemWidth = min(max(menuSettings.itemWidth, itemWidth), settings.widthMax)
    end,
    ["SetText"] = function(self, text)
        self.text:SetText(text or "")
    end,
    ["OnClick"] = function(self)
        local onClick = self.settings.itemData.onClick
        if onClick then
            onClick()
        end
    end,
    ["OnEnter"] = function(self)
        DiesalMenu:StopCloseTimer()
        local menuChildren = self.settings.parentObject.children
        local menuData = self.settings.itemData.menuData
        for i = 1, #menuChildren do
            menuChildren[i]:ReleaseChildren()
        end
        self:BuildSubMenu(menuData)
    end,
    ["BuildSubMenu"] = function(self, menuData)
        if not menuData then
            return
        end
        local subMenu = DiesalGUI:Create("DiesalMenu") --[[ @as Diesal.Menu.Menu ]]
        if not subMenu:BuildMenu(menuData) then
            DiesalGUI:Release(subMenu)
            return
        end
        self:AddChild(subMenu)
        subMenu:SetParent(self.frame)
        subMenu:ClearAllPoints()
        subMenu:SetPoint("TOPLEFT", self.frame, "TOPRIGHT", 0, 0)
        subMenu:Show()
    end,
}
---@alias DiesalMenuItem Diesal.Menu.MenuItem
-- | Constructor |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
local function Constructor()
    ---@class Diesal.Menu.MenuItem : Diesal.GUI.ObjectBase
    ---@field text FontString
    ---@field check Texture
    ---@field arrow Texture
    local self = DiesalGUI:Create(Type, true)
    local frame = CreateFrame("Button", nil, DiesalGUI.UIParent)
    self.frame = frame
    -- ~~ Default Settings ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    self.defaults = {
        widthMax = 250,
        height = 16,
        spacerHeight = 5,
        checkWidth = 14,
        arrowWidth = 14,
        textPadLeft = 2,
        textPadRight = 2,
    }
    -- ~~ Events ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    -- OnAcquire, OnRelease, OnHeightSet, OnWidthSet
    -- ~~ Construct ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    frame:SetScript("OnClick", function(this, button)
        DiesalGUI:OnMouse(this, button)
        self:OnClick()
    end)
    frame:SetScript("OnEnter", function(this)
        self:OnEnter()
    end)
    frame:SetScript("OnLeave", function(this)
        DiesalMenu:StartCloseTimer()
    end)

    local text = self:CreateRegion("FontString", "text", frame)
    text:SetPoint("TOP", 0, -2)
    text:SetPoint("BOTTOM", 0, 0)
    --text:SetJustifyH("TOP")
    text:SetJustifyH("LEFT")
    text:SetWordWrap(false)

    local check = self:CreateRegion("Texture", "check", frame)
    DiesalStyle:StyleTexture(check, {
        type = "texture",
        position = { 1, nil, 0, nil },
        height = 16,
        width = 16,
        image = { "DiesalGUIcons", { 10, 5, 16, 256, 128 }, "FFFF00" },
    })
    local arrow = self:CreateRegion("Texture", "arrow", frame)
    DiesalStyle:StyleTexture(arrow, {
        type = "texture",
        position = { nil, 2, -1, nil },
        height = 16,
        width = 16,
        image = { "DiesalGUIcons", { 7, 5, 16, 256, 128 }, "FFFF00" },
    })
    -- ~~ Methods ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    for method, func in pairs(methods) do
        self[method] = func
    end
    -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    return self
end
DiesalGUI:RegisterObjectConstructor(Type, Constructor, Version)