-- Store webhook token here so you do not have to enter it every time
webhook_id = "300699421580984320"
webhook_token = "7WqjfFDcVVyUfQZ8-S1WqxdBf7ZxeVHWLxdy8Joq6Wj2za-_dx_SZzp-b7aTC-3ZraT6"
nicks = {}

http_header =
 {['ContentType'] = "application/json",
}

function say(_tText)
  _tText = _tText or ""
  peripheral.call("left","say",_tText)
end

if not fs.exists("nicks.tbl") then
  file = fs.open("nicks.tbl","w")
  file.write("{}")
  file.close()
end

if not fs.exists("jsonapi") then
	shell.run("pastebin get 4nRg9CHU jsonapi")
end
os.loadAPI("jsonapi")

function hasNick(_sUser)
  if nicks[_sUser] then
    return true,nicks[_sUser]
  else
    return false,nil
  end
end

function reload()
  file = fs.open("nicks.tbl","r")
  nickFile = textutils.unserialize(file.readAll())
  file.close()
  nicks = nickFile
end

function flush()
  file = fs.open("nicks.tbl","w")
  file.write(textutils.serialize(nicks))
  file.close()
end

if type(nicks) ~= "table" then
  print("The file went corrupt!")
  nicks = {}
  flush()
  reload()
end

function http_post(_sURL,_sFORM)
	local httphandle = http.post("http://smaller.hol.es/proxy.php?url=" .. _sURL,_sFORM,http_header)
	local httpread = httphandle.readAll()
	httphandle.close()
	return httpread
end
function http_get(_sURL)
	local httphandle = http.get("http://smaller.hol.es/proxy.php?url=" .. _sURL,http_header)
	local httpread = httphandle.readAll()
	httphandle.close()
	return httpread
end

if not webhook_id or #webhook_id ~= 18 then
	print("Webhook ID:")
	while true do
		webhook_id = io.read()
		if #webhook_id ~= 18 then
			print("Invalid bot id")
		else
			break
		end
	end
end

if not webhook_token or #webhook_token ~= 68 then
	print("Webhook Token:")
	while true do
		webhook_token = io.read()
		if #webhook_token ~= 68 then
			print("Invalid bot token")
		else
			break
		end
	end
end

print("Connecting...")
webhook_info = jsonapi.decode(http_get("https://discordapp.com/api/webhooks/" .. webhook_id .. "/" .. webhook_token))

if type(webhook_info) ~= "table" then
	printError("A fatal error has occured!")
	printError(http_get("https://discordapp.com/api/webhooks/" .. webhook_id .. "/" .. webhook_token))
	return
elseif webhook_info.code then
	print("An error occured:")
	print("Code: " .. webhook_info.code .. ": " .. webhook_info.message)
	return
end

function discord_say(_sText) -- send message c:
	return http_post("https://discordapp.com/api/webhooks/" .. webhook_id .. "/" .. webhook_token,"content=" .. _sText)
end

discord_say("***:ok_hand: DiscordBridge 1.0 :ok_hand:***")
print("loaded")
reload()
while true do
  event,arg1,arg2,arg3 = os.pullEvent()
  if event == "chat_message" then
    if string.sub(arg2,1,1) == "+" then
      print("Command")
      local args = {}
      for word in arg2:gmatch("%w+") do table.insert(args,word) end
      if args[1] == "setnick" then
        if args[2] then
          nicks[arg1] = args[2]
          say("Set " .. arg1 .. "'s nick to '" .. args[2] .. "'")
          discord_say("Set **" .. arg1 .. "**'s nick to " .. args[2])
          print("Set " .. arg1 .. " nick to " .. args[2])
          flush()
          reload()
        end
      end
    else
      gotNick,nick = hasNick(arg1)
      if gotNick then
        arg1 = nick
      end
      print(arg1 .. ": " .. arg2)
      discord_say("**" .. arg1 .. "**: " .. arg2)
    end
  end
end