--[[
	  ______             __                _
	 /_  __/___   _____ / /_   ____ ___   (_)____   ____
	  / /  / _ \ / ___// __ \ / __ `__ \ / // __ \ / __ \
	 / /  /  __// /__ / / / // / / / / // // / / // /_/ /
	/_/   \___/ \___//_/ /_//_/ /_/ /_//_//_/ /_/ \____/
	Techmino is my first "huge project"
	optimization is welcomed if you also love tetromino game
]]--

local fs=love.filesystem

--?
NONE={}function NULL()end
DBP=print--Use this in permanent code
TIME=love.timer.getTime
YIELD=coroutine.yield
SYSTEM=love.system.getOS()
MOBILE=SYSTEM=="Android"or SYSTEM=="iOS"
SAVEDIR=fs.getSaveDirectory()

--Global Vars & Settings
LOADED=false
DAILYLAUNCH=false
NOGAME=false
LOGIN=false
EDITING=""
WSCONN=false
LATEST_VERSION=false

--Festival check within one statement
THEME=(
	--Christmas
	os.date"%m"=="12"and math.abs(os.date"%d"-25)<4 and
	"Xmas"or

	--Spring festival
	os.date"%m"<"03"and math.abs((({
		--Festival days. Jan 26=26, Feb 1=32, etc.
		24,43,32,22,40,29,49,38,26,45,
		34,23,41,31,50,39,28,47,36,25,
		43,32,22,41,29,48,37,26,44,34,
		23,42,31,50,39,28,46,35,24,43,
		32,22,41,30,48,37,26,45,33,23,
		42,32,50,39,28,46,35,24,43,33,
		21,40,
	})[os.date"%Y"-2000]or -26)-((os.date"%m"-1)*31+os.date"%d"))<6 and
	"sprFes"or

	--Z day (Feb./Mar./Apr./May./June 26)
	math.abs(os.date"%m"-4)<=2 and os.date"%d"+0==26 and
	"zDay"or

	false
)

math.randomseed(os.time()*626)
love.keyboard.setKeyRepeat(true)
love.keyboard.setTextInput(false)
love.mouse.setVisible(false)

--Create directories
for _,v in next,{"conf","record","replay"}do
	local info=fs.getInfo(v)
	if info then
		if info.type=="directory"then goto NEXT end
		fs.remove(v)
	end
	fs.createDirectory(v)
	::NEXT::
end

--Delete some useless files
for _,v in next,{
	"client.so",
	"cold_clear.dll",
	"CCloader.dll",
	"tech_u.dat",
	"tech_u+.dat",
	"sprintFix.dat",
	"sprintLock.dat",
	"marathon_u.dat",
	"infinite.dat",
	"infinite_dig.dat",
	"conf/account",
}do
	if fs.getInfo(v)then fs.remove(v)end
end

--Collect files of old version
if fs.getInfo("data.dat")or fs.getInfo("key.dat")or fs.getInfo("settings.dat")then
	for k,v in next,{
		["settings.dat"]="conf/settings",
		["unlock.dat"]="conf/unlock",
		["data.dat"]="conf/data",
		["key.dat"]="conf/key",
		["virtualkey.dat"]="conf/virtualkey",
		["account.dat"]="conf/user",
	}do
		if fs.getInfo(k)then
			fs.write(v,fs.read(k))
			fs.remove(k)
		end
	end
	for _,name in next,fs.getDirectoryItems("")do
		if name:sub(-4)==".dat"then
			fs.write("record/"..name:sub(1,-4).."rec",fs.read(name))
			fs.remove(name)
		end
	end
end

--Force delete all useless files
for _,name in next,fs.getDirectoryItems("")do
	if fs.getRealDirectory(name)==SAVEDIR and fs.getInfo(name).type=="file"then
		fs.remove(name)
	end
end

--Load modules
require"Zframework"

require"parts/list"
require"parts/globalTables"
require"parts/gametoolfunc"
SCR.setSize(1280,720)--Initialize Screen size
FIELD[1]=newBoard()--Initialize field[1]

AIBUILDER=	require"parts/AITemplate"
FREEROW=	require"parts/freeRow"

TEXTURE=	require"parts/texture"
SKIN=		require"parts/skin"
PLY=		require"parts/player"
AIFUNC=		require"parts/ai"
MODES=		require"parts/modes"

--First start for phones
if not fs.getInfo("conf/settings")and MOBILE then
	SETTING.VKSwitch=true
	SETTING.swap=false
	SETTING.powerInfo=true
	SETTING.fullscreen=true
end
if SETTING.fullscreen then love.window.setFullscreen(true)end

--Initialize image libs
IMG.init{
	batteryImage="mess/power.png",
	lock="mess/lock.png",
	dialCircle="mess/dialCircle.png",
	dialNeedle="mess/dialNeedle.png",
	lifeIcon="mess/life.png",
	badgeIcon="mess/badge.png",
	spinCenter="mess/spinCenter.png",
	ctrlSpeedLimit="mess/ctrlSpeedLimit.png",
	speedLimit="mess/speedLimit.png",
	pay1="mess/pay1.png",
	pay2="mess/pay2.png",

	miyaCH="miya/ch.png",
	miyaF1="miya/f1.png",
	miyaF2="miya/f2.png",
	miyaF3="miya/f3.png",
	miyaF4="miya/f4.png",

	electric="mess/electric.png",
	hbm="mess/hbm.png",

	lanterns={
		"lanterns/1.png",
		"lanterns/2.png",
		"lanterns/3.png",
		"lanterns/4.png",
		"lanterns/5.png",
		"lanterns/6.png",
	},
}
SKIN.init{
	"crystal_scf",
	"contrast_mrz",
	"polkadots_scf",
	"toy_scf",
	"smooth_mrz",
	"simple_scf",
	"glass_scf",
	"penta_scf",
	"bubble_scf",
	"minoes_scf",
	"pure_mrz",
	"bright_scf",
	"glow_mrz",
	"plastic_mrz",
	"paper_mrz",
	"yinyang_scf",
	"cartooncup_earety",
	"jelly_miya",
	"brick_notypey",
	"gem_notypey",
	"classic",
	"ball_shaw",
	"retro_notypey",
	"textbone_mrz",
	"coloredbone_mrz",
	"wtf",
}
--Initialize sound libs
SFX.init((function()
	local L={}
	for _,v in next,fs.getDirectoryItems("media/SFX")do
		if fs.getRealDirectory("media/SFX/"..v)~=SAVEDIR then
			L[#L+1]=v:sub(1,-5)
		else
			LOG.print("Dangerous file : %SAVE%/media/SFX/"..v)
		end
	end
	return L
end)())
BGM.init((function()
	local L={}
	for _,v in next,fs.getDirectoryItems("media/BGM")do
		if fs.getRealDirectory("media/BGM/"..v)~=SAVEDIR then
			L[#L+1]=v:sub(1,-5)
		else
			LOG.print("Dangerous file : %SAVE%/media/BGM/"..v)
		end
	end
	return L
end)())

VOC.init{
	"zspin","sspin","lspin","jspin","tspin","ospin","ispin",
	"single","double","triple","techrash",
	"mini","b2b","b3b",
	"perfect_clear","half_clear",
	"win","lose","bye",
	"test","happy","doubt","sad","egg",
	"welcome_voc",
}

--Initialize language lib
LANG.setLangList{
	require"parts/language/lang_zh",
	require"parts/language/lang_zh2",
	require"parts/language/lang_yygq",
	require"parts/language/lang_en",
	require"parts/language/lang_fr",
	require"parts/language/lang_sp",
	require"parts/language/lang_pt",
	require"parts/language/lang_symbol",
	--1. Add language file to LANG folder;
	--2. Require it;
	--3. Add a button in parts/scenes/setting_lang.lua;
}
LANG.setPublicText{
	block={
		"Z","S","J","L","T","O","I",
		"Z5","S5","Q","P","F","E",
		"T5","U","V","W","X",
		"J5","L5","R","Y","N","H","I5",
		"I3","C","I2","O1"
	},
}
LANG.init()

--Load shader files from SOURCE ONLY
SHADER={}
for _,v in next,fs.getDirectoryItems("parts/shaders")do
	if fs.getRealDirectory("parts/shaders/"..v)~=SAVEDIR then
		local name=v:sub(1,-6)
		SHADER[name]=love.graphics.newShader("parts/shaders/"..name..".glsl")
	else
		LOG.print("Dangerous file : %SAVE%/parts/shaders/"..v)
	end
end

--Load background files from SOURCE ONLY
for _,v in next,fs.getDirectoryItems("parts/backgrounds")do
	if fs.getRealDirectory("parts/backgrounds/"..v)~=SAVEDIR then
		if v:sub(-3)=="lua"then
			local name=v:sub(1,-5)
			BG.add(name,require("parts/backgrounds/"..name))
		end
	else
		LOG.print("Dangerous file : %SAVE%/parts/backgrounds/"..v)
	end
end

--Load scene files from SOURCE ONLY
for _,v in next,fs.getDirectoryItems("parts/scenes")do
	if fs.getRealDirectory("parts/scenes/"..v)~=SAVEDIR then
		local sceneName=v:sub(1,-5)
		SCN.add(sceneName,require("parts/scenes/"..sceneName))
		LANG.addScene(sceneName)
	else
		LOG.print("Dangerous file : %SAVE%/parts/scenes/"..v)
	end
end

LANG.set(SETTING.lang)

--Update data
do
	--Check setting file
	if
		type(STAT.version)~="number"or
		type(SETTING.block)~="boolean"or
		type(SETTING.sfx_spawn)~="number"or
		type(SETTING.ghost)~="number"or
		type(SETTING.center)~="number"or
		type(SETTING.grid)~="number"or
		#SETTING.skin<29 or
		SETTING.bgm>1 or SETTING.sfx>1 or SETTING.voc>1 or
		SETTING.stereo>1 or SETTING.VKSFX>1 or SETTING.VKAlpha>1 or
		SETTING.VKCurW>1 or SETTING.VKCurW>1
	then
		NOGAME=true
		fs.remove("conf/settings")
	end

	if STAT.extraRate then
		STAT.finesseRate=5*(STAT.piece-STAT.extraRate)
	end
	if type(STAT.version)~="number"then
		STAT.version=0
	end
	if STAT.version<1204 then
		STAT.frame=math.floor(STAT.time*60)
		STAT.lastPlay="sprint_10l"
		RANKS.sprintFix=nil
		RANKS.sprintLock=nil
	end
	if STAT.version<1208 then
		SETTING.skinSet=1
	end

	if STAT.version<1300 then
		STAT.lastPlay="sprint_10l"
		for _,name in next,fs.getDirectoryItems("replay")do
			fs.remove("replay/"..name)
		end
	end

	if STAT.version<1302 then
		if RANKS.pctrain_n then RANKS.pctrain_n=0 end
		if RANKS.pctrain_l then RANKS.pctrain_l=0 end
		fs.remove("conf/user")
		NOGAME=true
	end

	for _,v in next,VK_org do
		if not v.color then
			NOGAME=true
			fs.remove("conf/virtualkey")
			break
		end
	end

	if RANKS.infinite then RANKS.infinite=6 end
	if RANKS.infinite_dig then RANKS.infinite_dig=6 end

	local needSaveRank
	for k in next,RANKS do
		if type(k)=="number"then
			RANKS[k]=nil
			needSaveRank=true
		end
	end
	local modeTable={attacker_h="attacker_hard",attacker_u="attacker_ultimate",blind_e="blind_easy",blind_h="blind_hard",blind_l="blind_lunatic",blind_n="blind_normal",blind_u="blind_ultimate",c4wtrain_l="c4wtrain_lunatic",c4wtrain_n="c4wtrain_normal",defender_l="defender_lunatic",defender_n="defender_normal",dig_100l="dig_10",dig_10l="dig_100",dig_400l="dig_40",dig_40l="dig_400",dig_h="dig_hard",dig_u="dig_ultimate",drought_l="drought_lunatic",drought_n="drought_normal",marathon_h="marathon_hard",marathon_n="marathon_normal",pc_h="pcchallenge_hard",pc_l="pcchallenge_lunatic",pc_n="pcchallenge_normal",pctrain_l="pctrain_lunatic",pctrain_n="pctrain_normal",round_e="round_1",round_h="round_2",round_l="round_3",round_n="round_4",round_u="round_5",solo_e="solo_1",solo_h="solo_2",solo_l="solo_3",solo_n="solo_4",solo_u="solo_5",sprint_10l="sprint_10",sprint_20l="sprint_20",sprint_40l="sprint_40",sprint_400l="sprint_400",sprint_100l="sprint_100",sprint_1000l="sprint_1000",survivor_e="survivor_easy",survivor_h="survivor_hard",survivor_l="survivor_lunatic",survivor_n="survivor_normal",survivor_u="survivor_ultimate",tech_finesse_f="tech_finesse2",tech_h_plus="tech_hard2",tech_h="tech_hard",tech_l_plus="tech_lunatic2",tech_l="tech_lunatic",tech_n_plus="tech_normal2",tech_n="tech_normal",techmino49_e="techmino49_easy",techmino49_h="techmino49_hard",techmino49_u="techmino49_ultimate",techmino99_e="techmino99_easy",techmino99_h="techmino99_hard",techmino99_u="techmino99_ultimate",tsd_e="tsd_easy",tsd_h="tsd_hard",tsd_u="tsd_ultimate"}
	for k,v in next,modeTable do
		v="record/"..v
		if fs.getInfo(v.."dat")then
			fs.write("record/"..k.."rec",fs.read(v.."dat"))
			fs.remove(v.."dat")
		end
		if fs.getInfo(v.."rec")then
			fs.write("record/"..k.."rec",fs.read(v.."rec"))
			fs.remove(v.."rec")
		end
	end
	if RANKS.blind_easy then
		for k,v in next,modeTable do
			RANKS[k]=RANKS[v]
			RANKS[v]=nil
		end
		needSaveRank=true
	end
	if not RANKS.sprint_10l then
		RANKS.sprint_10l=0
		needSaveRank=true
	end
	if needSaveRank then
		FILE.save(RANKS,"conf/unlock")
	end

	if keyMap[1]then
		NOGAME=true
		fs.remove("conf/key")
	end
	USER.username=nil

	if STAT.version~=VERSION_CODE then
		newVersionLaunch=true
		STAT.version=VERSION_CODE
		FILE.save(STAT,"conf/data")
	end
end

if THEME=="Xmas"then
	BG.setDefault("snow")
	BGM.setDefault("mXmas")
elseif THEME=="sprFes"then
	BG.setDefault("firework")
	BGM.setDefault("spring festival")
elseif THEME=="zDay"then
	BG.setDefault("lanterns")
	BGM.setDefault("overzero")
else
	BG.setDefault("space")
	BGM.setDefault("blank")
end