SW-chat

--[[

Social-Spy-plus - (all)

]]--

local component = require("component")
local term = require("term")
local event = require("event")
local fs = require("filesystem")

local gpu = component.gpu

local LOG_PATH = "chat_log.txt"

-- Конвертирует строку в массив
function stringToArray(text)
  t = {}
  text:gsub(".",function(c) table.insert(t,c) end)
  return t
end

--Получить текущее реальное время компьютера, хостящего сервер майна
function getHostTime(timezone)
    timezone = timezone or 2
    local file = io.open("/HostTime.tmp", "w")
    file:write("")
    file:close()
    local timeCorrection = timezone * 3600
    local lastModified = tonumber(string.sub(fs.lastModified("/HostTime.tmp"), 1, -4)) + timeCorrection
    fs.remove("/HostTime.tmp")
    local year, month, day, hour, minute, second = os.date("%Y", lastModified), os.date("%m", lastModified), os.date("%d", lastModified), os.date("%H", lastModified), os.date("%M", lastModified), os.date("%S", lastModified)
    return tonumber(day), tonumber(month), tonumber(year), tonumber(hour), tonumber(minute), tonumber(second)
end

-- Получет настоящее время, стоящее на Хост-машине
function real_time()
  local time = {getHostTime(3)}
  local text = string.format("%02d:%02d:%02d", time[4], time[5], time[6])
  return text
end

-- Проверяет является ли текст окрашенным
function isColored(text)
  for pos, i in pairs(stringToArray(text)) do
    if (i ~= "&") then
      if (i ~= " ") then
        return false
      end
    else
      return true
    end
  end

  return true
end

-- Проверяет в глобальном ли чате написано сообщение
function isGlobal(text)
  for pos, i in pairs(stringToArray(text)) do
    if (i ~= "!") then
      if (i ~= " ") then
        return false
      end
    else
      return true, pos
    end
  end
  return false
end

-- Делит строку на части
function split(str, pat)
   local t = {}
   local fpat = "(.-)" .. pat
   local last_end = 1
   local s, e, cap = str:find(fpat, 1)
   while s do
      if s ~= 1 or cap ~= "" then
      table.insert(t,cap)
      end
      last_end = e+1
      s, e, cap = str:find(fpat, last_end)
   end
   if last_end <= #str then
      cap = str:sub(last_end)
      table.insert(t, cap)
   end
   return t
end

-- Устанавливает цвет шрифта в зависимости от патерна
function setColor(num)
  if (num == "0") then
    gpu.setForeground(0x333333)
  end

  if (num == "1") then
    gpu.setForeground(0x000099)
  end

  if (num == "2") then
    gpu.setForeground(0x006600)
  end

  if (num == "3") then
    gpu.setForeground(0x006666)
  end

  if (num == "4") then
    gpu.setForeground(0xFF0000)
  end

  if (num == "5") then
    gpu.setForeground(0x660066)
  end

  if (num == "6") then
    gpu.setForeground(0xFF8000)
  end

  if (num == "7") then
    gpu.setForeground(0xA0A0A0)
  end

  if (num == "8") then
    gpu.setForeground(0x404040)
  end

  if (num == "9") then
    gpu.setForeground(0x3399FF)
  end

  if (num == "a") then
    gpu.setForeground(0x99FF33)
  end

  if (num == "b") then
    gpu.setForeground(0x00FFFF)
  end

  if (num == "c") then
    gpu.setForeground(0xFF6347)
  end

  if (num == "d") then
    gpu.setForeground(0xFF00FF)
  end

  if (num == "e") then
    gpu.setForeground(0xFFFF00)
  end

  if (num == "f") then
    gpu.setForeground(0xFFFFFF)
  end
end

-- Выводит сообщение
function writeMessage(text)
    local t = split(text, "&")
    for pos, i in pairs(t) do
      if (pos == 1 and not isColored(text)) then
        io.write(i)
      else
        setColor(string.sub(i, 1, 1))
        io.write(string.sub(i, 2))
      end
    end
end

-- Выводит остальную часть сообщения
function message(nick, msg, isGlobal, pos)
  local type = ""
  if (isGlobal) then msg = string.sub(msg, pos + 1) type = "G" else type = "L" end

  local file = fs.open(LOG_PATH, "a")
  file:write("[" .. real_time() .. "] [" .. type .. "] " .. nick .. ": " .. msg .. "\n")
  file:close()

  gpu.setForeground(0x7FFF00)
  io.write("[" .. real_time() .. "] ")
  gpu.setForeground(0x7FFF00)
  if (type == "G") then
    gpu.setForeground(0xFFD700)
  else
    gpu.setForeground(0x808080)
  end
  io.write("[" .. type .. "] ")
  gpu.setForeground(0x4169E1)
  io.write(nick)
  gpu.setForeground(0xC0C0C0)
  io.write(": ")
  writeMessage(msg, l)
  io.write("\n")
end

print("Загрузка чата [StarWars]...")
os.sleep(1)
print("Готово!")

local _, add, nick, msg = event.pull("chat_message")
term.clear()
local type, pos = isGlobal(msg)
message(nick, msg, type, pos)


while true do

  local _, add, nick, msg = event.pull("chat_message")
  local type, pos = isGlobal(msg)
  message(nick, msg, type, pos)

end