local state = require("modules.states.playstate")

local myMath = require("modules.math")
local myTypes = require("modules.types")
local files = require("modules.files")
local json = require("modules.json")
local logging = require("modules.logging")

local songs = require("charts.songs")

local curSong = songs[1]
local curIndex = 1
local curDiffList = songs[1].difficulties

local curDiff = songs[1].difficulties[1]
local curDiffInd = 1

local curState = nil
local stateLoaded = false

local pressed = {false,false,false}

local font = love.graphics.newFont("fonts/Phantomuff.ttf", 25)

-- for index, song in next, songs do
--   curSong = index
--   curDiff = song[1]
--   break
-- end

local gettingKey

local settings = json.parse(files.read_file("settings.json"))
local keybinds = settings.Keybinds

function love.update(dt)
  if curState and curState.loaded then
    if stateLoaded then
      curState.update(dt)
    else
      stateLoaded = true -- skipping this update frame
      curState.finish()
    end
  elseif not curState then
    myTypes.updateSprites(dt)
  end
end

function love.draw()
  if curState and stateLoaded then
    curState.draw()
  else
    myTypes.drawSprites()
    love.graphics.print(string.format("Song: %s, Difficulty: %s, List: %s", curSong.name, curDiff, logging.dump(curDiffList)), font, love.graphics:getWidth()/2 - 20, love.graphics:getHeight()/2 + 150, 0, 1, 1, 200)
    love.graphics.print(
      string.format("Left: %s, Down: %s, Up: %s, Right: %s \nDownscroll: %s", 
      keybinds[1],
      keybinds[2],
      keybinds[3],
      keybinds[4],
      settings.Downscroll
    ))
    love.graphics.print("Press 1 to change LEFT \nPress 2 to change DOWN \nPress 3 to change UP \nPress 4 to change RIGHT \nPress 0 to toggle DOWNSCROLL", 500, 0)
  end
end

function run()
  curState = state(curSong.name, curDiff)
  curState.quit = function()
    curState = nil
    stateLoaded = false
    myTypes.destroyAllSprites()
  end
  curState.restart = function()
    curState = nil
    stateLoaded = false
    myTypes.destroyAllSprites()
    
    run()
  end
  curState.load()
end

function love.keypressed(key, un, is)
    if curState and stateLoaded then
      curState.keypressed(key, un, is)
    elseif not curState then
      if not gettingKey then
        if key == "return" then
          run()
        elseif key == "down" then
          curIndex, curSong = next(songs, curIndex)
          if not curSong then
            curIndex, curSong = next(songs)
            curDiffList = curSong.difficulties
          else
            curDiffList = curSong.difficulties
          end
          curDiff = curDiffList[1]
        elseif key == "right" then
          if curDiffList[curDiffInd + 1] then
            curDiff = curDiffList[curDiffInd + 1]
            curDiffInd = curDiffInd + 1
          else
            curDiff = curDiffList[1]
            curDiffInd = 1
          end
        elseif tonumber(key) and tonumber(key) < 5 then
          if key == "0" then
            settings.Downscroll = not settings.Downscroll
            files.write_file("settings.json", json.stringify(settings))
          else
            gettingKey = tonumber(key)
          end
        end
      else
        keybinds[gettingKey] = key
        gettingKey = nil

        files.write_file("settings.json", json.stringify(settings))
      end
    end
end

love.window.setMode(1280, 720, { fullscreen = false , resizable = true})