local GameOverScreen = Object:extend()

local TweenManager = require "birb.classes.time"
local ConfirmDialog = require "game.modules.confirmdialog"

local defTransitions = require "birb.modules.transitions"
local radTransitions = require "game.modules.transitions"

local gui         = require "game.modules.gui"

local tw, th = 128, 32

function GameOverScreen:new(scene)
  self.scene  = scene
  self.assets = scene.assets
  self.turnSystem = scene.turns

  self:setVariables()

  self.continueBox    = gui.newTextBox("assets/gui/dialogbox.png", tw, th)

  self.tweens = TweenManager(self)
  self:prepareAnimation()
end

function GameOverScreen:setVariables()
  -- Vignette Opacity
  self.vignetteOpacity  = 0

  -- Battle FInished Label
  self.labelOpacity     = 0
  local width, height = core.screen:getDimensions()
  self.labelX           = width/2

  -- Infobox
  self.tbSize     = 0.6
  self.tbOpacity  = 0
end

function GameOverScreen:prepareAnimation()
  -- Vignette
  self.tweens:newTween(0, 0.6, {vignetteOpacity=0.75}, 'inExpo')

  -- Label
  self.tweens:newTween(0, 0.6, {labelOpacity=1}, 'inExpo')
  self.tweens:newTween(0.9, 0.4, {labelX=4}, 'inExpo')

  self.tweens:newTimer(1.8, "continue")
end

function GameOverScreen:update(dt)
  self.tweens:update(dt)
end

function GameOverScreen:draw()
  local width, height = core.screen:getDimensions()
  self:drawVignette(width, height)
  self:drawLabel(width/2, 48, self.labelX, self.labelOpacity)
end

function GameOverScreen:timerResponse(timer)
  if (timer == "continue") then
    local confirm = ConfirmDialog(self.scene, "Do you want to return to title ? \nYou can also reload your latest save.",
    function() self:returnToTitle() end, "Return to title",
    function() self:loadLastSave() end, "Reload last save")
    confirm.darken = false
  end
end

function GameOverScreen:drawVignette(width, height)
  love.graphics.setColor(0, 0, 0, self.vignetteOpacity)
  love.graphics.rectangle("fill", 0, 0, width, height)
end

function GameOverScreen:drawLabel(x, y, x2, opacity)
  love.graphics.setColor(1, 1, 1, opacity)

  self.assets.fonts["SA2font"]:print("GAME", x - x2, y, "right")
  self.assets.fonts["SA2font"]:print("OVER", x + x2, y, "left")
end

function GameOverScreen:returnToTitle()
  core.screen:startTransition(defTransitions.default, defTransitions.circle, function() scenes.menus.title(true) end, 424/2, 240/2)
end

function GameOverScreen:loadLastSave()
  self.scene.tweens:newTween(0, 0.3, {borderPosition=0}, "inOutQuad")
  core.screen:startTransition(defTransitions.default, defTransitions.default, function() game:reload() scenes.overworld() end, 424/2, 240/2)
end

return GameOverScreen