/*
 Copyright (©) 2003-2019 Teus Benschop.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */


#include <book/create.h>
#include <database/bibles.h>
#include <database/versifications.h>
#include <database/books.h>
#include <database/logs.h>
#include <database/config/bible.h>
#include <webserver/request.h>
#include <locale/translate.h>
#include <bb/logic.h>
#include <filter/string.h>


// Creates book template with ID $book in Bible $bible.
// If a $chapter is given instead of -1, it creates that chapter only.
bool book_create (string bible, int book, int chapter, vector <string> & feedback)
{
  Database_Bibles database_bibles;
  Database_Versifications database_versifications;

  vector <string> bibles = database_bibles.getBibles ();
  if (!in_array (bible, bibles)) {
    feedback.push_back (translate("Bible bible does not exist: Cannot create book"));
    return false;
  }
  if (book == 0) {
    feedback.push_back (translate("Invalid book while creating a book template"));
    return false;
  }
  
  // The chapters that have been created.
  vector <int> chaptersCreated;
  
  // The USFM created.
  string data;
  
  // Chapter 0.
  if (chapter <=  0) {
    data  = "\\id "    + Database_Books::getUsfmFromId(book)     + "\n";
    data += "\\h "     + Database_Books::getEnglishFromId (book) + "\n";
    data += "\\toc2 "  + Database_Books::getEnglishFromId (book) + "\n";
    bible_logic_store_chapter (bible, book, 0, data);
    chaptersCreated.push_back (0);
  }
  
  
  // Subsequent chapters.
  string versification = Database_Config_Bible::getVersificationSystem (bible);
  vector <Passage> versification_data = database_versifications.getBooksChaptersVerses (versification);
  for (auto & row : versification_data) {
    if (book == row.book) {
      int ch = row.chapter;
      int verse = convert_to_int (row.verse);
      if ((chapter < 0) || (chapter == ch)) {
        data  = "\\c " + convert_to_string (ch) + "\n";
        data += "\\p\n";
        for (int i = 1; i <= verse; i++) {
          data += "\\v " + convert_to_string (i) + "\n";
        }
        bible_logic_store_chapter (bible, book, ch, data);
        chaptersCreated.push_back (ch);
      }
    }
  }
  
  // Done.
  if (chaptersCreated.size () == 0) {
    feedback.push_back (translate("No chapters have been created"));
    return false;
  }
  string created;
  for (auto & chapter : chaptersCreated) {
    if (!created.empty ()) created.append (" ");
    created.append (convert_to_string (chapter));
  }
  feedback.push_back (translate("The following chapters have been created:") + " " + created);
  return true;
}
