# frozen_string_literal: true

# A button/link can have the following settings:
# style: primary/outline/text
# size: :xs :sm, :md, :lg
class Avo::ButtonComponent < ViewComponent::Base
  def initialize(path = nil, size: :md, style: :outline, color: :gray, icon: nil, icon_class: "", is_link: false, rounded: true, compact: false, **args)
    # Main settings
    @size = size
    @style = style
    @color = color

    # Other things that appear in the button
    @path = path
    @icon = icon
    @icon_class = icon_class
    @rounded = rounded
    @compact = compact

    # Other settings
    @class = args[:class]
    @is_link = is_link
    @args = args || {}
  end

  def args
    if @args[:loading]
      @args[:"data-controller"] = "loading-button"
      @args[:"data-loading-button-confirmed-value"] = false
      @args[:"data-action"] = "click->loading-button#attemptSubmit"

      if @args[:confirm]
        @args[:"data-loading-button-confirmation-message-value"] = @args.delete(:confirm)
      end
    end

    @args[:class] = button_classes

    @args
  end

  def button_classes
    classes = "button-component inline-flex flex-grow-0 items-center font-semibold leading-6 fill-current whitespace-nowrap transition duration-100 transform transition duration-100 cursor-pointer disabled:cursor-not-allowed disabled:opacity-70 border justify-center active:outline active:outline-1 #{@class}"

    classes += " rounded" if @rounded.present?
    classes += style_classes
    classes += horizontal_padding_classes
    classes += vertical_padding_classes
    classes += text_size_classes

    classes
  end

  def is_link?
    @is_link
  end

  def full_content
    result = ""
    icon_classes = @icon_class
    # space out the icon from the text if text is present
    icon_classes += " mr-1" if content.present?
    # add the icon height
    icon_classes += icon_size_classes

    # Add the icon
    result += helpers.svg(@icon, class: icon_classes) if @icon.present?

    if content.present?
      result += "<span>#{content}</span>"
    end

    result.html_safe
  end

  def call
    if is_link?
      output_link
    else
      output_button
    end
  end

  def output_link
    link_to @path, **args do
      full_content
    end
  end

  def output_button
    if args.dig(:method).present? || args.dig(:data, :turbo_method).present?
      button_to args[:url], **args do
        full_content
      end
    else
      button_tag(**args) do
        full_content
      end
    end
  end

  private

  def vertical_padding_classes
    case @size.to_sym
    when :xs
      " py-0"
    when :sm
      " py-1"
    when :md
      " py-1.5"
    when :lg
      " py-2"
    when :xl
      " py-3"
    else
      ""
    end
  end

  def horizontal_padding_classes
    return " px-1" if @compact

    case @size.to_sym
    when :xs
      " px-2"
    when :sm
      " px-3"
    when :md
      " px-3"
    when :lg
      " px-5"
    when :xl
      " px-6"
    else
      "px-4"
    end
  end

  def text_size_classes
    case @size.to_sym
    when :xs
      " text-xs"
    else
      " text-sm"
    end
  end

  def style_classes
    case @style
    when :primary
      " bg-#{@color}-500 text-white border-#{@color}-500 hover:bg-#{@color}-600 hover:border-#{@color}-600 active:border-#{@color}-600 active:outline-#{@color}-600 active:bg-#{@color}-600"
    when :outline
      " bg-white text-#{@color}-500 border-#{@color}-500 hover:bg-#{@color}-100 active:bg-#{@color}-100 active:border-#{@color}-500 active:outline-#{@color}-500"
    when :text
      " text-#{@color}-500 active:outline-#{@color}-500 hover:bg-gray-100 border-transparent"
    else
      ""
    end
  end

  def icon_size_classes
    icon_classes = ""

    case @size
    when :xs
      icon_classes += " h-4 my-1"
    when :sm
      icon_classes += " h-4 my-1"
    when :md
      icon_classes += " h-4 my-1"
    when :lg
      icon_classes += " h-5 my-0.5"
    when :xl
      icon_classes += " h-6"
    end

    icon_classes
  end
end