/*
  This file is part of the FRED system.

  Copyright (c) 2010-2015, University of Pittsburgh, John Grefenstette,
  Shawn Brown, Roni Rosenfield, Alona Fyshe, David Galloway, Nathan
  Stone, Jay DePasse, Anuroop Sriram, and Donald Burke.

  Licensed under the BSD 3-Clause license.  See the file "LICENSE" for
  more information.
*/

//
//
// File: Events.cc
//

#include "Events.h"


Events::Events() {

  for (int day = 0; day < MAX_DAYS; ++day) {
    clear_events(day);
  }

}

void Events::add_event(int day, event_t item) {
  if (day < 0 || MAX_DAYS <= day) {
    // won't happen during this simulation
    return;
  }
  if(this->events[day].size() == this->events[day].capacity()) {
    if(events[day].capacity() < 4) {
      this->events[day].reserve(4);
    }
    this->events[day].reserve(2 * this->events[day].capacity());
  }
  this->events[day].push_back(item);
  // printf("\nadd_event day %d new size %d\n", day, get_size(day));
  // print_events(day);
}

void Events::delete_event(int day, event_t item) {

  if (day < 0 || MAX_DAYS <= day) {
    // won't happen during this simulation
    return;
  }
  // find item in the list
  int size = get_size(day);
  for(int pos = 0; pos < size; ++pos) {
    if(this->events[day][pos] == item) {
      // copy last item in list into this slot
      this->events[day][pos] = this->events[day].back();
      // delete last slot
      this->events[day].pop_back();
      // printf("\ndelete_event day %d final size %d\n", day, get_size(day));
      // print_events(day);
      return;
    }
  }
  // item not found
  printf("delete_events: item not found\n");
  assert(false);

}

void Events::clear_events(int day) {

  assert(0 <= day && day < MAX_DAYS);
  this->events[day] = events_t();
  // printf("clear_events day %d size %d\n", day, get_size(day));

}

int Events::get_size(int day) {

  assert(0 <= day && day < MAX_DAYS);
  return static_cast<int>(this->events[day].size());

}

event_t Events::get_event(int day, int i) {

  assert(0 <= day && day < MAX_DAYS);
  assert(0 <= i && i < static_cast<int>(this->events[day].size()));
  return this->events[day][i];

}


void Events::print_events(FILE* fp, int day) {

  assert(0 <= day && day < MAX_DAYS);
  events_itr_t itr_end = this->events[day].end();
  fprintf(fp, "events[%d] = %d : ", day, get_size(day));
  for (events_itr_t itr = events[day].begin(); itr != itr_end; ++itr) {
    // fprintf(fp, "id %d age %d ", (*itr)->get_id(), (*itr)->get_age());
  }
  fprintf(fp,"\n");
  fflush(fp);

}

void Events::print_events(int day) {

  print_events(stdout, day);

}