#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)
{
   //Spielfeld vorbereiten
for(unsigned int i = 0; i < searchFieldLen; i++ ){
   for(unsigned int j = 0; j < searchFieldLen; j++ ){
      salad[i][j] = EMPTY_CHAR;
   }
}
for (unsigned int w = 0; w < wordCount; w++){
   size_t len = strlen(words[w]);
   int placed = 0;
      for(int attempt = 0; attempt < MAX_RAND_TRIES_PER_WORD && !placed; attempt++){
         int horizontal = rand() % 2;
         int row = rand() % searchFieldLen;
         int col = rand() % searchFieldLen;
         if(horizontal){
            if(col + len > searchFieldLen) continue;

            int conflict = 0;
            for(size_t i = 0; i < len; i++){
               if(salad[row][col+i] != EMPTY_CHAR && salad[row][col+i] != words[w][i]){
                  conflict = 1;
                  break;
               }
            }
            if(conflict) continue;
               for(size_t i = 0; i < len; i++){
                  salad[row][col+i] = words[w][i];
            }
            placed = 1;
         }
         else{
            if(row + len > searchFieldLen) continue;

            int conflict = 0;
            for(size_t i = 0; i < len; i++){
               if(salad[row+1][col] != EMPTY_CHAR && salad[row+1][col] != words[w][i]){
                  conflict = 1;
                  break;
               }
            }
            if(conflict) continue;
               for(size_t i = 0; i < len; i++){
                  salad[row+1][col] = words[w][i];
            }
            placed = 1;
         }
         }
      }


   /* code */


   //leere Felder mit zufälligen Buchstaben befüllen
   for(unsigned int i = 0; i < searchFieldLen; i++ ){
      for(unsigned int j = 0; j < searchFieldLen; j++ ){
         if (salad[i][j] == EMPTY_CHAR) {
         salad[i][j] = 'A' + rand() % 26;
      

      }

   }

}
}

// 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]);
            printf(" ");
         }
      printf ("\n");
   }
}