class Avo::Configuration::Branding
  def initialize(colors: nil, chart_colors: nil, logo: nil, logomark: nil, placeholder: nil, favicon: nil)
    @colors = colors || {}
    @chart_colors = chart_colors
    @logo = logo
    @logomark = logomark
    @placeholder = placeholder
    @favicon = favicon

    @default_colors = {
      :background => "#F6F6F7",
      100 => "206 231 248",
      400 => "57 158 229",
      500 => "8 134 222",
      600 => "6 107 178"
    }
    @default_chart_colors = ["#0B8AE2", "#34C683", "#FFBE4F", "#FF7676", "#2AB1EE", "#34C6A8", "#EC8CFF", "#80FF91", "#FFFC38", "#1BDBE8"]
    @default_logo = "/avo-assets/logo.png"
    @default_logomark = "/avo-assets/logomark.png"
    @default_placeholder = "/avo-assets/placeholder.svg"
    @default_favicon = "/avo-assets/favicon.ico"
  end

  def css_colors
    rgb_colors.map do |color, value|
      if color == :background
        "--color-application-#{color}: #{value};"
      else
        "--color-primary-#{color}: #{value};"
      end
    end.join("\n")
  end

  def logo
    @logo || @default_logo
  end

  def logomark
    @logomark || @default_logomark
  end

  def placeholder
    @placeholder || @default_placeholder
  end

  def chart_colors
    @chart_colors || @default_chart_colors
  end

  def favicon
    @favicon || @default_favicon
  end

  private

  def colors
    @default_colors.merge(@colors) || @default_colors
  end

  def rgb_colors
    colors.map do |key, value|
      rgb_value = is_hex?(value) ? hex_to_rgb(value) : value
      [key, rgb_value]
    end.to_h
  end

  def is_hex?(value)
    value.include? "#"
  end

  def hex_to_rgb(value)
    value.to_s.match(/^#(..)(..)(..)$/).captures.map(&:hex).join(" ")
  end
end