local widgets   = {}

local Widget            = require "core.modules.menusystem.widgets"
local RadianceListMenu = require "game.modules.menus.list"

local DoubleTextWidget  = Widget.Text:extend()

widgets.SubMenu       = DoubleTextWidget:extend()
widgets.Dummy         = RadianceListMenu.DualTextWidget:extend()
widgets.Exit          = RadianceListMenu.DualTextWidget:extend()
widgets.Switch        = RadianceListMenu.DualTextWidget:extend()
widgets.Resolution    = RadianceListMenu.DualTextWidget:extend()
widgets.Lang          = RadianceListMenu.DualTextWidget:extend()
widgets.PlayerSubMenu = RadianceListMenu.DualTextWidget:extend()
widgets.Key           = RadianceListMenu.DualTextWidget:extend()
widgets.Audio         = RadianceListMenu.DualTextWidget:extend()

local defTransitions = require "core.modules.transitions"

-- BASIC WIDGETS
-- Simple and reusables widgets

-- DoubleText widget : a two-side text widget

function DoubleTextWidget:new(menu, font, label1, label2)
  DoubleTextWidget.super.new(self, menu, font, label1)
  self.label2 = label2 or ""
end

function DoubleTextWidget:drawCanvas()
  local w, h
  w = math.floor(self.width)
  h = math.floor(self.height / 2) - (self.font:getHeight() / 2)
  self.font:draw(self.label, 4, h, -1, "left")
  self.font:draw(self.label2, w-4, h, -1, "right")
end

-- Submenu widget :: go to a submenu

function widgets.SubMenu:new(scene, menu, newmenu, fullname, order, label2)
  self.scene = scene
  local widgetmenu  = self.scene.menusystem.menus[menu]
  local font        = self.scene.assets.fonts["medium"]
  local label       = core.lang:translate("options", fullname)
  local label2      = label2 or ">"
  self.newmenu      = newmenu
  widgets.SubMenu.super.new(self, widgetmenu, font, label, label2)
  self.order = order or 0
end

function widgets.SubMenu:action()
  self.scene.assets:playSFX("mSelect")
  self.scene.menusystem:switchMenu(self.newmenu)
end

-- Dummy widget :: An empty widget to serve as a base for others

function widgets.Dummy:new(scene, menu, fullname)
  widgets.Dummy.super.new(self, scene, menu, fullname)
end

function widgets.Dummy:action()
  -- shoosh
end

-- Exit Widget : exit the examples

function widgets.Exit:new(scene, menu)
  widgets.Exit.super.new(self, scene, menu, "Exit", "")
end

function widgets.Exit:action()
  self.scene.assets:playSFX("mSelect")
  core.scenemanager:setStoredScene("mainmenu")
  core.screen:startTransition(defTransitions.default, defTransitions.default,
    function() scenes.debug.menu() end,
    0, 0)
end

-- VIDEO WIDGETS
-- Handle graphical settings

-- Switch widget (One widget to handle graphical switch)

function widgets.Switch:new(scene, menu, keyname, label)
  self.keyname      = keyname
  local label2      = self:getLabel()
  widgets.Switch.super.new(self, scene, menu, label, label2)
  self.order = 0
end

function widgets.Switch:modifyKey()
  --self.key = (self.key == false)
  if self.keyname == "fullscreen" then
    core.options.data.video.fullscreen = (core.options.data.video.fullscreen == false)
  elseif self.keyname == "borders" then
    core.options.data.video.border = (core.options.data.video.border == false)
  elseif self.keyname == "vsync" then
    core.options.data.video.vsync = (core.options.data.video.vsync == false)
  end
  core.screen:applySettings()
end

function widgets.Switch:getKey()
  if self.keyname == "fullscreen" then
    self.key = core.options.data.video.fullscreen
  elseif self.keyname == "borders" then
    self.key = (core.options.data.video.border)
  elseif self.keyname == "vsync" then
    self.key = (core.options.data.video.vsync)
  end
end

function widgets.Switch:getLabel()
  self:getKey()
  local label = ""
  if (self.key) then
    label = "true"
  else
    label = "false"
  end

  return core.lang:translate("commons", label)
end

function widgets.Switch:action()
  self:modifyKey()
  self.scene.assets:playSFX("mSelect")
  self.label2 = self:getLabel()
  core.options:write()
  self:invalidateCanvas()
end

-- Resolution Widget

function widgets.Resolution:new(scene, menu)
  local label       = core.lang:translate("options", "resolution")
  local label2      = self:getLabel()
  widgets.Resolution.super.new(self, scene, menu, label, label2)
end

function widgets.Resolution:getLabel()
  return "x" .. core.options.data.video.resolution
end

function widgets.Resolution:action()
  if core.options.data.video.resolution == 3 then
    core.options.data.video.resolution = 1
  else
    core.options.data.video.resolution = core.options.data.video.resolution + 1
  end
  self.label2 = self:getLabel()
  core.screen:applySettings()
  self.scene.assets:playSFX("mSelect")
  self:invalidateCanvas()
  core.options:write()
end

-- Key widgets
function widgets.Key:new(scene, sourceid, key)
  self.source = sourceid
  self.key    = key

  local menu        = "player" .. self.source
  local label       = self.key
  local label2      = self:getLabel()

  widgets.Key.super.new(self, scene, menu, label, label2)
  self.order = 0
end

function widgets.Key:getLabel()
  return core.input.data[self.source].keys[self.key]
end

function widgets.Key:action()
  self.scene.assets:playSFX("navigate")
  self.scene:changeKey(self)
  self.scene.menusystem:deactivate()
end

function widgets.Key:receiveKey( key )
  self.scene.assets:playSFX("mSelect")
  core.options:setInputKey(self.source, self.key, key)
  self.label2 = self:getLabel()
  self:invalidateCanvas()
end

-- AUDIO FUNCTIONS
-- Sounds/Music functions

function widgets.Audio:new(scene, menu, audiotype, label)
  self.audiotype = audiotype

  local label2  = self:getLabel()
  widgets.Audio.super.new(self, scene, menu, label, label2)
  self.order = 0
end

function widgets.Audio:getLabel()
  local value = self:getVolume()
  string = utils.math.numberToString(value, 3)
  local label = string .. "%"

  return label
end

function widgets.Audio:getVolume()
  if (self.audiotype == "sfx") then
    return core.options.data.audio.sfx
  else
    return core.options.data.audio.music
  end
end

function widgets.Audio:setVolume(vol)
  if (vol < 0) then vol = 100 end

  if (self.audiotype == "sfx") then
    core.options.data.audio.sfx   = vol
  else
    core.options.data.audio.music = vol
  end

  self.label2 = self:getLabel()
  self:invalidateCanvas()
end

function widgets.Audio:action()
  local value = self:getVolume()
  self:setVolume(value - 20)
  self.scene.assets:playSFX("mSelect")
  --self.scene.assets.music:setVolume(core.options.data.audio.music / 100)
  core.options:write()
end

return widgets