#include "game.h"
#include <time.h>
#include <stdlib.h>
#include <string.h>

#define MAX_RAND_TRIES_PER_WORD 10
#define EMPTY_CHAR 0



//TODO: Spiellogik implementieren:
/* * Wörter aus der Wortliste zufällig horizontal oder vertikal platzieren
   * restliche Felder mit zufälligen Buchstaben füllen */

// Creates the word salad by placing words randomly and filling empty spaces
int createWordSalad(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen, const char words[][MAX_WORD_LEN], unsigned int wordCount) {
   int addedWords = 0;
   int attempts = 0;
   int added = 0;
   int space = 1;
   unsigned long long wordLength = 0;

   for (int i = 0; i < searchFieldLen; i++) {
      for (int j = 0; j < searchFieldLen; j++) {
         salad[i][j] = EMPTY_CHAR;
      }
   }
   for (int i=0; i < wordCount; i++) {

      wordLength = strlen(words[i]);

      while (attempts <= MAX_RAND_TRIES_PER_WORD && added != 1) {
         int direction = rand() % 2;
         if (direction == 0) {
            int collumn = rand() % searchFieldLen;
            int row = rand() % searchFieldLen;
            for (int j = 0; j < wordLength; j++)
            {
               if (salad[row][collumn+j] != EMPTY_CHAR) {space = 0; break;}
            }
            if ((collumn + wordLength >= searchFieldLen-1) || (space == 0)) {attempts++;}
            else {for (int j = 0; j < wordLength; j++)
            {
               salad[row][collumn+j] = words[i][j];
            }
            added=1;
            addedWords++;

         }
         }
         else if (direction == 1) {
            int collumn = rand() % searchFieldLen;
            int row = rand() % searchFieldLen;
            for (int j = 0; j < wordLength; j++)
            {
               if (salad[row+j][collumn] != EMPTY_CHAR) {space = 0; break;}
            }
            if ((row + wordLength >= searchFieldLen-1) || (space == 0)) {attempts++;}
            else {
               for (int j = 0; j < wordLength; j++)
               {
                  salad[row+j][collumn] = words[i][j];
               }
               added=1;
               addedWords++;
            }
            }
         space = 1;
      }
      attempts = 0;
      added = 0;

   }
   for (int i = 0; i < searchFieldLen; i++) {
      for (int j = 0; j < searchFieldLen; j++) {
         if (salad[i][j] == EMPTY_CHAR)
         {
            salad[i][j] = rand()%('Z'-'A'+1)+'A';
         }

      }
   }
   return addedWords;
}

// Prints the word salad to console
void showWordSalad(const char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen)
{
   for(int i = 0; i < searchFieldLen; i++)
   {
      for(int j = 0; j < searchFieldLen; j++)
      {
         printf("%c", salad[i][j]);
      }
   }
}