local ElvSkins
if ElvUI then
    local E = unpack(ElvUI)
    ElvSkins = E:GetModule("Skins")
end

local panel = CreateFrame("Frame")
panel.name = "HideCoAUI"

local title = panel:CreateFontString(nil, "ARTWORK", "GameFontNormalLarge")
title:SetPoint("TOPLEFT", 16, -16)
title:SetText("HideCoAUI")

local subtitle = panel:CreateFontString(nil, "ARTWORK", "GameFontNormalSmall")
subtitle:SetPoint("TOPLEFT", title, "BOTTOMLEFT", 0, -8)
subtitle:SetText("Select a class, then toggle the checkboxes to hide its class resource:")

local sidebar = CreateFrame("Frame", nil, panel)
sidebar:SetPoint("TOPLEFT", subtitle, "BOTTOMLEFT", 0, -12)
sidebar:SetPoint("BOTTOMLEFT", panel, "BOTTOMLEFT", 16, 16)
sidebar:SetWidth(150)

local content = CreateFrame("Frame", nil, panel)
content:SetPoint("TOPLEFT", sidebar, "TOPRIGHT", 16, 0)
content:SetPoint("BOTTOMRIGHT", panel, "BOTTOMRIGHT", -16, 16)

local classTitle = content:CreateFontString(nil, "ARTWORK", "GameFontNormalLarge")
classTitle:SetPoint("TOPLEFT", content, "TOPLEFT", 0, 0)

local titleFont, titleSize = classTitle:GetFont()
classTitle:SetFont(titleFont, titleSize + 4, "OUTLINE")

local checks = {}
local selectedClass = nil

local previousAnchor = classTitle
local previousSpacing = -12

for _, frameName in ipairs(HideCoA.FRAMES) do

    local check = CreateFrame("CheckButton", "HideCoAClassCheck" .. frameName, content, "InterfaceOptionsCheckButtonTemplate")
    check:SetPoint("TOPLEFT", previousAnchor, "BOTTOMLEFT", 0, previousSpacing)
    _G[check:GetName() .. "Text"]:SetText("Hide " .. frameName)

    check.frameName = frameName

    if ElvSkins then
        ElvSkins:HandleCheckBox(check)
    end

    check:SetScript("OnClick", function(self)

        if not selectedClass then
            return
        end

        HideCoADB.classSettings[selectedClass][self.frameName] = self:GetChecked() and true or false
        HideCoA.ApplySetting()

    end)

    checks[frameName] = check
    previousAnchor = check
    previousSpacing = -8

end

local TAB_HEIGHT = 18

local tabButtons = {}

local function SelectClass(class)

    selectedClass = class

    local displayName = (LOCALIZED_CLASS_NAMES_MALE and LOCALIZED_CLASS_NAMES_MALE[class]) or class
    classTitle:SetText(displayName)

    local color = RAID_CLASS_COLORS and RAID_CLASS_COLORS[class]
    if color then
        classTitle:SetTextColor(color.r, color.g, color.b)
    else
        classTitle:SetTextColor(1, 1, 1)
    end

    for _, frameName in ipairs(HideCoA.FRAMES) do
        checks[frameName]:SetChecked(HideCoADB.classSettings[class][frameName])
    end

    for tabClass, button in pairs(tabButtons) do
        if tabClass == class then
            button.selectedTexture:Show()
        else
            button.selectedTexture:Hide()
        end
    end

end

for index, class in ipairs(HideCoA.CUSTOM_CLASSES) do

    local button = CreateFrame("Button", "HideCoAClassTab" .. class, sidebar)
    button:SetHeight(TAB_HEIGHT)
    button:SetPoint("TOPLEFT", sidebar, "TOPLEFT", 0, -(index - 1) * TAB_HEIGHT)
    button:SetPoint("RIGHT", sidebar, "RIGHT", 0, 0)

    local selectedTexture = button:CreateTexture(nil, "BACKGROUND")
    selectedTexture:SetAllPoints()
    selectedTexture:SetTexture(1, 1, 1, 0.2)
    selectedTexture:Hide()
    button.selectedTexture = selectedTexture

    button:SetHighlightTexture("Interface\\QuestFrame\\UI-QuestTitleHighlight", "ADD")

    local displayName = (LOCALIZED_CLASS_NAMES_MALE and LOCALIZED_CLASS_NAMES_MALE[class]) or class
    local text = button:CreateFontString(nil, "OVERLAY", "GameFontHighlightSmall")
    text:SetPoint("LEFT", 4, 0)
    text:SetText(displayName)

    local color = RAID_CLASS_COLORS and RAID_CLASS_COLORS[class]
    if color then
        text:SetTextColor(color.r, color.g, color.b)
    end

    button:SetScript("OnClick", function()
        SelectClass(class)
    end)

    tabButtons[class] = button

end

panel:SetScript("OnShow", function()
    SelectClass(selectedClass or HideCoA.CUSTOM_CLASSES[1])
end)

InterfaceOptions_AddCategory(panel)