local c = require("component")
local computer = require("computer")
local math = require("math")
local os = require("os")
local event = require("event")
local fs = require("filesystem")
local serialization = require("serialization")
local arc = {}
--os.execute("resolution 124 48")
local gpu = c.gpu
local w, h = gpu.getResolution()
x = w / 2
y = h / 2
dy = 1
dx = 0
--
colorPlatforma = 321321
colorShar = 123123
N = 1
mass = {}
MN = 1

function PutPixel(x, y, color, text)
  gpu.setBackground(color)
  gpu.set(x, y, text)
  gpu.setBackground(0)
end

function GameOver(_)
  computer.beep(20, 3)
  dy = 0 - dy
  gpu.setBackground(0)
  print("YOU LOSER")
end

function getKirpich(xk, yk, colorK)
  for i = 1, #mass - 1 do
    if mass[i][1] == math.floor(xk) and mass[i][2] == math.floor(yk) then
      gpu.setBackground(colorK)
      gpu.fill(mass[i][1], mass[i][2], mass[i][3], mass[i][4], " ")
      N = N + 1
      if n == #mass - 1 then
        GameOver(1)
      end
    end
  end
end

function printKirpich()
  for i = 1, #mass - 1 do
    gpu.setBackground(mass[i][5])
    gpu.fill(mass[i][1], mass[i][2], mass[i][3], mass[i][4], " ")
  end
end

function printPlatform()
  for i = 1, l do
    PutPixel(platformaS + i , h, colorPlatforma, " ")
  end
end

function platforma()
  event.listen("key_down", function(k1, k2, k3, k4) key = k4 end)
  if key == 203 and platformaS > 1 then
    PutPixel(platformaS + l, h, 0, " ")
    PutPixel(platformaS, h, colorPlatforma, " ")
    platformaS = platformaS - 1
    key = 0
  end
  if key == 205 and platformaS + l < w then
    PutPixel(platformaS, h, 0, " ")
    PutPixel(platformaS + l, h, colorPlatforma, " ")
    platformaS = platformaS + 1
    key = 0
  end
  event.ignore("key_down", function(k1, k2, k3, k4) end)
  os.sleep(1 / 20)
end

function test()
  if x < 3  or x > w - 2 then
    dx = 0 - dx
  end
  if y < 3 then
    dy = 0 - dy
  end
  if y < h - 5 then
    local char, foreColor, backColor = gpu.get(x + dx, y + dy)
    kx = x + dx
    ky = y + dy
    if backColor ~= 0 then
      char, foreColor, backColor1 = gpu.get(x + 1, y)
      char, foreColor, backColor2 = gpu.get(x - 1, y)
      char, foreColor, backColor3 = gpu.get(x, y + 1)
      char, foreColor, backColor4 = gpu.get(x, y - 1)
      if backColor1 ~= backColor and backColor2 ~= backColor then
        dy = 0 - dy
      end
      if backColor3 ~= backColor and backColor4 ~= backColor then
        dx = 0 - dx
      end
      char, foreColor, backColor5 = gpu.get(kx - 1, ky)
      while backColor5 == backColor and kx - 3 > 0 do
        char, foreColor, backColor5 = gpu.get(kx - 2, ky)
        kx = kx - 1
      end
      char, foreColor, backColor5 = gpu.get(kx, ky - 1)
      while backColor5 == backColor and ky - 3 > 0 do
        char, foreColor, backColor5 = gpu.get(kx, ky - 2)
        ky = ky - 1
      end
      getKirpich(kx, ky, 0)
    end
  end
  if y + dy > h or y + dy == h then
    if x < platformaS + 1 or x > platformaS + l + 1 then
      GameOver(1)
    else
      dy = 0 - dy
      dx = ((x % (platformaS + 1)) - l / 2) / l * 2  -- зависимость dx от места попадание на платформу игрок
      dy = 0 - math.sqrt(1 - dx * dx)
    end
  end
end

function shar()
  PutPixel(x, y, 0, " ")
  test()
  x = x + dx
  y = y + dy
  PutPixel(x, y, colorShar, " ")
end

function Game()
  while key ~= 28 do
    platforma()
    platforma()
    shar()
  end
end

function arc.GameStart(file)
  mass = serialization.unserialize(io.lines(file)())
  l = mass[#mass][1]
  platformaS = w / 2 - l / 2
  printKirpich()
  printPlatform()
  Game()
end

return arc