module Savio
  class Button
    include IORenderable

    attr_accessor :value, :enforceManager
    attr_reader :selected, :buttonManager

    @@buttons = []
    def self.buttons
      @@buttons
    end

    def initialize(args = {})
      super(args)

      @@buttons.push(self)

      @value = args[:value] || 0

      @baseColor = args[:baseColor] || '#F5F5F5'
      @selectedColor = args[:selectedColor] || '#00B3EC'
      @labelColor = args[:labelColor] || '#F5F5F5'

      @selected = args[:selected] || false

      @buttonManager = args[:buttonManager] || nil

      @enforceManager = args[:enforceManager] || true

      @type = args[:type] || 'toggle'
      if @type != 'toggle' && @type != 'clicker'
        @type = 'toggle'
      end

      @onClick = Proc.new {}

      build()
    end

    def type=(newType)
      if newType == 'toggle' || newType == 'clicker'
        @type = newType
      end
    end

    def baseColor=(c)
      @baseColor = c
      rebuild()
    end
    def selectedColor=(c)
      @selectedColor = c
      rebuild()
    end
    def labelColor=(c)
      @labelColor = c
      rebuild()
    end

    def onClick(&proc)
      @onClick = proc
    end

    def buttonManager=(newManager)
      if @buttonManager != nil
        if newManager.class.name != 'Savio::ButtonManager'
          raise ArgumentError, 'Given object ' + newManager.to_s + ' is not a ButtonManager. Must be of type ButtonManager'
        end
        @buttonManager.removeButton(self, false)
      end

      if newManager != nil
        @buttonManager = newManager
        if @buttonManager.buttons.include?(self) != true
          @buttonManager.addButton(self)
        end
      else
        @buttonManager = nil
      end
    end

    def select(enforce = @enforceManager)
      click()
      if enforce == true && @buttonManager != nil
        @buttonManager.select(self)
      else
        @selectCircle.add
        @selected = true
        if @type == 'clicker'
          if @type == 'clicker'
            fade = Thread.new {
              @selectCircle.add
              sleep(0.06)
              @selectCircle.remove
            }
          end
          deselect(enforce)
        end
      end
    end

    def deselect(enforce = @enforceManager)
      if enforce == true && @buttonManager != nil
        @buttonManager.deselect(self)
      else
        @selectCircle.remove
        @selected = false
      end
    end

    def toggle(enforce = @enforceManager)
      if @selected
        deselect(enforce)
      else
        select(enforce)
      end
    end

    def remove()
      super()
      @nameLabel.remove
      @baseCircle.remove
      @selectCircle.remove
    end

    def add()
      super()
      @nameLabel.add
      @baseCircle.add
      @selectCircle.add
      if @selected
        select()
      else
        deselect()
      end
    end

    def click()
      @onClick.call()
    end

    def build()
      @shown = true

      @nameLabel = Text.new(
        @displayName.to_s,
        x: @x + @size * 2, y: @y - @size * 1.5,
        size: @size * 2,
        color: @labelColor,
        z: @z
      )
      @baseCircle = Circle.new(
        x: @x, y: @y,
        radius: @size,
        color: @baseColor,
        z: @z
      )
      @selectCircle = Circle.new(
        x: @x, y: @y,
        radius: @size * 0.8,
        color: @selectedColor,
        z: @z+1
      )

      if @buttonManager == nil
        if @selected
          select()
        else
          deselect()
        end
      else
        if @buttonManager.class.name != 'Savio::ButtonManager'
          raise ArgumentError, 'Given object ' + @buttonManager.to_s + ' is not a ButtonManager. Must be of type ButtonManager'
        end
        @buttonManager.addButton(self)

        if @selected
          @buttonManager.select(self)
        else
          @buttonManager.deselect(self)
        end
      end

    end
  end
end