#include <iostream>
#include <fstream>
#include <streambuf>
#include <string>
#include <cstdio>

using namespace std;
#define UNAVAILABLE 0
#define SOLD_OUT 1
#define AVAILABLE 2
#define TWO_FOR_ONE 3
#define PREVIEW 4
#define FREE 5

void printEndTime(ofstream& outf,string &startTimeStr, int hours, int minutes)
{
  int startHour, startMinute;
  size_t pos = startTimeStr.find(":");
  if(pos != string::npos)
  {
    startHour = stoi(startTimeStr.substr(0, pos));
    startMinute = stoi(startTimeStr.substr(pos + 1));
    outf << (startHour  + hours + ((minutes + startMinute) / 60)) % 24 << ':' << (minutes + startMinute) % 60 << ',';
  }  // if colon found
  else
    outf << "  ,";

}  // calcEndTime

int main()
{

   string fileName, buffer;
   char searchString[256];
   int fileNumber;
   size_t pos, pos2, pos3;
   int count = 0, availability, hours, minutes;
    ofstream outf("theater2025.csv");
    outf << "Title,Start,Length,End,Venue,28,29,30,31,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26\n";
    outf <<" , , , , ,M,T,W,T,F,S,S,M,T,W,T,F,S,S,M,T,W,T,F,S,S,M,T,W,T,F,S,S,M,T\n";

    for (fileNumber = 1; fileNumber < 22; fileNumber++)
    {
        fileName = "Search _ Edinburgh Festival Fringe" + to_string(fileNumber) + ".html";
        ifstream inf(fileName.c_str());
        inf.seekg(0, ios::end);
        buffer.reserve(inf.tellg());
        inf.seekg(0, std::ios::beg);
        buffer.assign((istreambuf_iterator<char>(inf)), istreambuf_iterator<char>());

        for(size_t i = 0; i < buffer.length(); i++)
          if(buffer[i] == ',')
            buffer[i] = ';';

        pos = buffer.find("THEATRE", 0);


         while (pos != string::npos)
         {
            pos = buffer.find("THEATRE", pos + 1);
            pos = buffer.find("event-card-search_eventTitle", pos);
            pos = buffer.find(">", pos);

         //   cout << pos << endl;

            if(pos != string::npos)  // if more titles
            {
                pos2 = buffer.find("<", pos);
                outf << buffer.substr(pos + 1, pos2 - pos -1)  << ',';  // title


                pos = buffer.find("Aug</span>", pos) + 11;
                pos = buffer.find(">", pos) + 1;
                pos2 = buffer.find("<", pos);
                string startTimeStr = buffer.substr(pos, pos2 - pos);
                outf << startTimeStr << ",";
                pos =  buffer.find("eventDuration", pos);
                pos = buffer.find(">", pos) + 1;
                pos2 = buffer.find("<", pos);
         //       outf << buffer.substr(pos, pos2 - pos)  << ',';  // duration string
                string duration = buffer.substr(pos, pos2 - pos);
                pos3 = duration.find("hour");
                hours = minutes = 0;

                if(pos3 != string::npos)  // if hour
                {
                  hours = stoi(duration);
                  duration = duration.substr(pos3 + 3);  // eliminate hour
                  pos3 = duration.find(" ");

                  if(pos3 != string::npos)  // if a space after hour
                  {
                    duration = duration.substr(pos3);
                    minutes = stoi(duration);
                  } // if a space after hour
                } // if an hour
                else  // no hour
                  minutes = stoi(duration);

                outf << hours * 60 + minutes << ',';
                printEndTime(outf, startTimeStr, hours, minutes);

                pos = buffer.find("rule=\"evenodd\"></path></svg></div><span>", pos2);

                if(buffer.find("Various venues", pos) - pos < 1000)
                  outf << "Various venues";
                else // not Various venues
                {
                  pos = buffer.find("</span><span>", pos) + 13;
                    pos2 = buffer.find("<", pos);
                    outf << buffer.substr(pos, pos2 - pos);  // venue
                }

                for(int day = 27; day != 26; day++)
                {
                  availability = UNAVAILABLE;
                  sprintf(searchString, ">%d<", day);
                  pos2 = buffer.find(searchString, pos);
                  pos3 = buffer.find("Available", pos);

                  if(pos3 < pos2)  // Available found
                    availability = AVAILABLE;
                  else  // not Available
                  {
                     pos3 = buffer.find ("TwoForOne", pos);

                     if(pos3 < pos2)  // TwoForOne found
                       availability = TWO_FOR_ONE;
                     else // not Available, nor TwoForOne
                     {
                        pos3 = buffer.find ("Preview", pos);

                        if(pos3 < pos2)  // Preview found
                          availability = PREVIEW;
                        else // not Previow, nor Available, nor TwoForOne
                        {
                          pos3 = buffer.find ("NoAllocation", pos);

                          if(pos3 < pos2)  // NoAllocation found
                            availability = SOLD_OUT;
                        } // else not Preview, nor Available, nor TwoForOne
                     } // else not Available, nor TwoForOne
                  }  // else not Available

                  outf << ',' << availability;

                  if (day == 31)
                    day = 0;

                  pos = pos2 + 5;
                } // for i

                outf << endl;

            }  //if show found
         }  // while more shows

         inf.close();
    }    // for fileNumber

    outf.close();
    return 0;
}