----------------------------------------------------
-- SamUI v0.3.3
-- Eine vollständige UI-Alternative
-- WoW Classic Anniversary TBC
-- Interface 20506
-- Build 69110
----------------------------------------------------

local _, ns = ...

local module = ns:new_module("palette")

local palette_definitions = {
    samui = {
        colors = {
            ink = { r = 0.00, g = 0.00, b = 0.00, hex = "000000" },
            bg_deep = { r = 0.05, g = 0.05, b = 0.05, hex = "0d0d0d" },
            bg_base = { r = 0.10, g = 0.10, b = 0.10, hex = "1a1a1a" },
            bg_bar = { r = 0.20, g = 0.20, b = 0.20, hex = "333333" },
            border_soft = { r = 0.20, g = 0.20, b = 0.20, hex = "333333" },
            border = { r = 0.30, g = 0.30, b = 0.30, hex = "4d4d4d" },
            tint_neutral = { r = 0.78, g = 0.78, b = 0.78, hex = "c7c7c7" },
            text_muted = { r = 0.62, g = 0.62, b = 0.62, hex = "9e9e9e" },
            text = { r = 1.00, g = 1.00, b = 1.00, hex = "ffffff" },
            gold = { r = 1.00, g = 0.82, b = 0.00, hex = "ffd100" },
            orange = { r = 1.00, g = 0.50, b = 0.00, hex = "ff8000" },
            red = { r = 0.90, g = 0.20, b = 0.20, hex = "e63333" },
            green = { r = 0.20, g = 0.85, b = 0.20, hex = "33d933" },
            blue = { r = 0.00, g = 0.44, b = 0.87, hex = "0070de" },
            cyan = { r = 0.00, g = 0.80, b = 1.00, hex = "00ccff" },
            teal = { r = 0.00, g = 0.80, b = 0.60, hex = "00cc99" },
            purple = { r = 0.35, g = 0.27, b = 0.50, hex = "5a4680" },
            quest = { r = 0.78, g = 0.62, b = 0.16, hex = "c79e28" },
            copper = { r = 0.93, g = 0.65, b = 0.37, hex = "eda55f" },
        },
        alphas = {
            opaque = 1.00,
            panel = 0.70,
            bag_panel = 0.80,
            panel_pane = 0.50,
            hairline = 0.65,
            bar = 0.70,
            button = 0.70,
            slot = 0.20,
            special_slot = 0.20,
            dimmer = 0.78,
            out_of_range = 0.26,
            rested_xp = 0.25,
        },
    },
}

local surface_schema = {
    unit_bar = { color = "bg_bar", alpha = "bar" },
    panel = { color = "bg_base", alpha = "panel" },
    bag_panel = { color = "bg_base", alpha = "bag_panel" },
    panel_solid = { color = "bg_base", alpha = "opaque" },
    panel_pane = { color = "bg_base", alpha = "panel_pane" },
    row = { color = "bg_deep", alpha = "panel" },
    tooltip = { color = "bg_bar", alpha = "bar" },
    slot = { color = "bg_bar", alpha = "slot" },
    slot_special = { color = "green", alpha = "special_slot" },
    button = { color = "bg_bar", alpha = "button" },
    button_deep = { color = "bg_deep", alpha = "button" },
    dimmer = { color = "ink", alpha = "dimmer" },
}

local class_colors = {
    WARRIOR = { r = 0.78, g = 0.61, b = 0.43, a = 1.00 },
    PALADIN = { r = 0.96, g = 0.55, b = 0.73, a = 1.00 },
    HUNTER = { r = 0.67, g = 0.83, b = 0.45, a = 1.00 },
    ROGUE = { r = 1.00, g = 0.96, b = 0.41, a = 1.00 },
    PRIEST = { r = 1.00, g = 1.00, b = 1.00, a = 1.00 },
    SHAMAN = { r = 0.00, g = 0.44, b = 0.87, a = 1.00 },
    MAGE = { r = 0.41, g = 0.80, b = 0.94, a = 1.00 },
    WARLOCK = { r = 0.58, g = 0.51, b = 0.79, a = 1.00 },
    DRUID = { r = 1.00, g = 0.49, b = 0.04, a = 1.00 },
}

local quality_colors = {
    [0] = { r = 0.616, g = 0.616, b = 0.616 },
    [1] = { r = 1.000, g = 1.000, b = 1.000 },
    [2] = { r = 0.118, g = 1.000, b = 0.000 },
    [3] = { r = 0.000, g = 0.440, b = 0.870 },
    [4] = { r = 0.640, g = 0.210, b = 0.930 },
    [5] = { r = 1.000, g = 0.500, b = 0.000 },
    [6] = { r = 0.900, g = 0.800, b = 0.500 },
    [7] = { r = 0.000, g = 0.800, b = 1.000 },
}

local callbacks = {}
local active_palette_name = "samui"

local function get_active_definition()
    return palette_definitions[active_palette_name]
end

function module:get(token)
    local definition = get_active_definition()
    return definition and definition.colors[token] or nil
end

function module:get_rgb(token)
    local color = self:get(token)
    if not color then
        return nil
    end

    return color.r, color.g, color.b
end

function module:get_rgba(token, alpha)
    local color = self:get(token)
    if not color then
        return nil
    end

    return color.r, color.g, color.b, alpha
end

function module:get_hex(token)
    local color = self:get(token)
    return color and color.hex or nil
end

function module:get_color_code(token)
    local hex = self:get_hex(token)
    return hex and "|cff" .. hex or nil
end

function module:wrap(token, text)
    local color_code = self:get_color_code(token)
    if not color_code then
        return text
    end

    return color_code .. tostring(text) .. "|r"
end

function module:get_alpha(key)
    local definition = get_active_definition()
    return definition and definition.alphas[key] or nil
end

function module:get_surface(name)
    local surface = surface_schema[name]
    if not surface then
        return nil
    end

    return self:get_rgba(surface.color, self:get_alpha(surface.alpha))
end

function module:get_surface_color(name)
    local surface = surface_schema[name]
    if not surface then
        return nil
    end

    return self:get_rgb(surface.color)
end

function module:get_class_color(class)
    local color = class_colors[class]
    if not color then
        return nil
    end

    return color.r, color.g, color.b, color.a
end

function module:get_quality_color(quality)
    local color = quality_colors[quality]
    if not color then
        return nil
    end

    return color.r, color.g, color.b
end

function module:get_active()
    return active_palette_name
end

function module:set_active(name)
    if not palette_definitions[name] then
        return false
    end

    if active_palette_name == name then
        return true
    end

    active_palette_name = name

    for _, callback in pairs(callbacks) do
        callback(name)
    end

    return true
end

function module:register_callback(key, fn)
    if key == nil or type(fn) ~= "function" then
        return false
    end

    callbacks[key] = fn
    return true
end

function module:initialize()
end

ns.palette = module

ns:register_initial_module("palette")