local Scene     = require "core.modules.scenes"
local OptionsMenu  = Scene:extend()

local OptionMenu = require "scenes.menus.options.menu"
local Widgets   = require "scenes.menus.options.widgets"

local gui         = require "game.modules.gui"
local MenuBack    = require "game.modules.gui.menuback"

function OptionsMenu:new()
  OptionsMenu.super.new(self)

  self.assets:batchImport("scenes.menus.assets")
  self:addMenu("main", true)
  self:addSubMenu("video", "Video")
  self:addSubMenu("audio", "Audio")
  --self:addSubMenu("langs", "langs")
  self:addSubMenu("inputs", "Inputs")
  self:addSubMenu("difficulty", "Difficulty")

  Widgets.Resolution(self, "video")
  Widgets.Switch(self, "video", "fullscreen", "Fullscreen")
  Widgets.Switch(self, "video", "borders", "Borders")
  Widgets.Switch(self, "video", "vsync", "Vsync")

  self:addPlayerMenus()
  self:addDifficultyMenu()

  --self:setLanguageMenu()

  Widgets.Audio(self, "audio", "sfx", "SFX")
  Widgets.Audio(self, "audio", "music", "Music")

  Widgets.Delete(self, "main")
  Widgets.Exit(self, "main")

  self.menusystem.menus["main"]:finalize()
  self.menusystem:switchMenu("main")

  self.menusystem:setSoundFromSceneAssets("mBeep")

  self.keyDetector = {}
  self.keyDetector.widget = nil

  self.borderY = 30
  self.borders = gui.newBorder(424, 30, 8)

  self.back = MenuBack()
end

function OptionsMenu:update(dt)
  self.back:update(dt)
end

-- MENU FUNCTION
-- Functions that serve the handling of menus

function OptionsMenu:addMenu(name, nobackbutton)
  OptionMenu(self, name)
end

function OptionsMenu:addSubMenu(name, fullname)
  self.menusystem.menus["main"]:addSubMenu(name, fullname)
end

function OptionsMenu:addDifficultyMenu()
  Widgets.DiffSwitch(self, "difficulty", "hazardMakesKo", "Hazards can make KO")
  Widgets.DiffSwitch(self, "difficulty", "playerKoChar", "Play KO characters on maps")
  Widgets.DiffSwitch(self, "difficulty", "easierBattles", "Easier battles")
  Widgets.DiffSwitch(self, "difficulty", "checkPointRegen", "Checkpoints heal you")
  Widgets.DiffSwitch(self, "difficulty", "levelUpHeal", "Gaining a level heal")
  Widgets.DiffSwitch(self, "difficulty", "allDamage", "Hazards damage everybody")
end

function OptionsMenu:addPlayerMenus()
  for i,v in ipairs(core.input.data) do

    self.menusystem.menus["inputs"]:addSubMenu("player" .. i, "Player " .. i, "inputs")

    local keyList = require "datas.keys"
    for j, key in ipairs(keyList) do
      Widgets.Key(self, i, key)
    end
  end

end

function OptionsMenu:addScene(submenu, scene, fullname)
  Widgets.Dummy(self, submenu, fullname)
end

function OptionsMenu:setLanguageMenu()
  for i,v in ipairs(core.lang.data.available) do
    Widgets.Lang(self, "langs", v)
  end
end

function OptionsMenu:changeKey(widget)
  self.keyDetector.isActive = true
  self.keyDetector.widget = widget
end

function OptionsMenu:keypressed( key )
  if (self.keyDetector.isActive) then
    self.keyDetector.widget:receiveKey( key )
    self.menusystem:activate()
    self.keyDetector.isActive = false
  end
end

function OptionsMenu:draw()
  love.graphics.setColor(1, 1, 1, 1)
  love.graphics.rectangle("fill", 0, 0, 424, 240)
  self.back:draw()
  utils.graphics.resetColor()
  self.assets.images["background"]:draw(0, 0)
end

function OptionsMenu:drawOverTransition()
  love.graphics.draw(self.borders,   0,    self.borderY, 0,  1, -1)
  love.graphics.draw(self.borders,   424, 240 - self.borderY, 0, -1,  1)
  self.assets.fonts["small"]:draw("v" .. game.version, 424 - 44, 240 + 10 - self.borderY)
end

return OptionsMenu