//+------------------------------------------------------------------+
//|                                                   DailyUpDown.mq4|
//|                                                     Hajime Tsuro |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Hajime Tsuro"
#property link      "http://www.metaquotes.net"

int max_symbols = 7;
string symbols[7];
int mailSendFlag[6];
int nowBar = 1;
int preBar = 2;

void SetSymbols()
{
   symbols[0] = "USDJPY";
   symbols[1] = "GBPJPY";
   symbols[2] = "CADJPY";
   symbols[3] = "NZDJPY";
   symbols[4] = "AUDJPY";
   symbols[5] = "CHFJPY";
   symbols[6] = "EURJPY";
}

//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
   SetSymbols();

   return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
      double HighPrice = 0;
      double LowPrice = 0;
      double diff = 0;
      string csvStrings = "";         
      string dateStrings = "";

      for(int k=0; k<365; k++)
      {
         if(TimeDayOfWeek(Time[nowBar + k]) == 0 || TimeDayOfWeek(Time[nowBar + k]) == 6)
         {
            continue;
         }
         dateStrings = TimeYear(Time[nowBar + k]) + "/" + TimeMonth(Time[nowBar + k]) + "/" + TimeDay(Time[nowBar + k]);
         csvStrings = csvStrings + dateStrings + ",";
      }
      csvStrings = csvStrings + "\n";
      
      for(int i=0; i<max_symbols; i++)
      {
         for(int j=0; j<365; j++)
         {
            if(TimeDayOfWeek(Time[nowBar + j]) == 0 || TimeDayOfWeek(Time[nowBar + j]) == 6)
            {
               continue;
            }
            if(iOpen(symbols[i], PERIOD_D1, nowBar + j) > iClose(symbols[i], PERIOD_D1, nowBar + j))
            {
               csvStrings = csvStrings + "-";
            }
            HighPrice = iHigh(symbols[i], PERIOD_D1, nowBar + j);
            LowPrice = iLow(symbols[i], PERIOD_D1, nowBar + j);
            diff = HighPrice - LowPrice;
            csvStrings = csvStrings + DoubleToStr(diff,4) + ",";
         }
         csvStrings = csvStrings + "\n";
      }
      
      //html form file output 
      //string htmlStrings = CreateHtmlFile(mailStrings);
      int handle = FileOpen("dailyupdown.csv", FILE_WRITE);
      FileWrite(handle, csvStrings);
      FileClose(handle);

   return(0);
  }