blockchain = include_lib("/lib/blockchain.so")
if not blockchain then exit("Error: Missing blockchain.so library in the /lib")

YOUR_COIN = "coin" // edit this
OWNER_WALLETS = ["lock", "000111"]  //  these are the users that can run the backend server if you edit it you need to match the it with back end
DEFAULT_CREDENTIALS = "admin" // you may edit this too
SUBWALLET_PREPEND = "sub" // this should match with the back end
SUBWALLET_PASS = "123" // this should match with the back end

if params.len == 0 then
	print("<b>this script requires the use of create coin you should delete your old coin, you can create it again later.</b>"+char(10))
	print("<b>to register</b>")
	print("coin_registration wallet_id wallet_pass")
	print("<b>to delete your old coin</b>")
	print("coin_registration --delete-my-old-coin coin_name coin_user coin_pass")
	print("<b>to delete the coin created by this script in case you did interrupted the script</b>")
	print("coin_registration --reset wallet_id wallet_pass")
	exit
end if

if params[0] == "--delete-my-old-coin" and params.len == 4 then
	out = blockchain.delete_coin(params[1], params[2], params[3])
	exit(out)
end if
 
if params[0] == "--reset" and params.len == 3 then
	wallet = login_wallet(params[1], params[2])
	for coin_name in wallet.list_global_coins
		out = blockchain.delete_coin(coin_name, DEFAULT_CREDENTIALS, DEFAULT_CREDENTIALS)
		print(out)
	end for
	exit
end if

wallet_id = params[0]
wallet_pass = params[1]
wallet = login_wallet(params[0], params[1])
if typeof(wallet) == "string" then exit(wallet)

// check for the back end

get_owner_offer = function(OWNER_WALLET)
	offers = wallet.get_global_offers(YOUR_COIN)
	//print(wallet.get_global_offers(YOUR_COIN))
	if wallet.get_global_offers(YOUR_COIN).indexes.indexOf(OWNER_WALLET) == null then
		return null
	else
		return offers[OWNER_WALLET][2]
	end if
end function

backend_active = [false]
get_backend_status = function()
	for OWNER_WALLET in OWNER_WALLETS
		last_flag = get_owner_offer(OWNER_WALLET)
		for i in range(0, 5)
			wait(0.05)
			flag = get_owner_offer(OWNER_WALLET)
			if flag != last_flag then 
				backend_active[0] = true
				break
			end if
		end for
		if backend_active[0] == true then break
	end for
end function

while true
	get_backend_status
	if backend_active[0] == false then
		print("<color=red>back end is off</color>")
	else
		print("<color=yellow>back end is running</color>")
		break
	end if
end while

// check if you have a subwallet already
has_subwallet = function(wallet)
	out = wallet.buy_coin(YOUR_COIN, 1,99999)
	if out.indexOf("You need to be registered") != null then
		return false
	else
		return true
	end if
	wallet.cancel_pending_trade(YOUR_COIN)
end function

if has_subwallet(wallet) == true then
	print("<color=red>you already have a subwallet in this coin</color>")
	exit
else
	
end if

// register
if user_input("continue with the registration? [y/n]: ") == "n" then exit()

pin = wallet.get_pin
user = DEFAULT_CREDENTIALS
pass = DEFAULT_CREDENTIALS

print("created coin: " + pin + " " + user + " " + pass)
out = blockchain.create_coin(pin, user, pass)
if typeof(out) == "string" then exit(out)

coin = blockchain.get_coin(pin, user, pass)
if typeof(coin) == "string" then exit(coin)

random_subwallet = str(floor(rnd * 99999))
out = coin.create_subwallet(wallet_id, pin, random_subwallet, "admin")
if typeof(out) == "string" then exit(out)
out = wallet.buy_coin(pin, 1, 1)
print(wallet_id + " " + pin)
if typeof(out) == "string" and out.indexOf("pending until") == null then exit(out)

print("registration started do not kill the process")
for i in range(0,10)
	wait(0.9)
	if has_subwallet(wallet) == true then
		print("<color=yellow>Account created sub_wallet_id: "+SUBWALLET_PREPEND+wallet_id+" password: "+SUBWALLET_PASS+"</color>")
		blockchain.delete_coin(pin,user,pass)
		exit
	end if
end for
print("<color=red>Account not created for some reason</color>")
blockchain.delete_coin(pin,user,pass)