#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)
{
    unsigned int placedWords = 0;

    // 1. Spielfeld leeren
    for (unsigned int i = 0; i < searchFieldLen; i++) {
        for (unsigned int j = 0; j < searchFieldLen; j++) {
            salad[i][j] = EMPTY_CHAR;
        }
    }

    // 2. Alle Wörter durchlaufen
    for (unsigned int i = 0; i < wordCount; i++) {

        size_t wordLen = strlen(words[i]);

        // Leere oder zu lange Wörter überspringen
        if (wordLen == 0 || wordLen > searchFieldLen) {
            continue;
        }

        // 3. Platzierungsversuche
        for (int attempt = 0;
             attempt < MAX_RAND_TRIES_PER_WORD;
             attempt++) {
            unsigned int row = rand() % searchFieldLen;
            unsigned int col = rand() % searchFieldLen;
            int direction = rand() % 2;
            int canPlace = 1;

            // 4. Horizontale Platzierung prüfen
            if (direction == 0) {

                if (col + wordLen > searchFieldLen) {
                    continue;
                }

                for (size_t j = 0; j < wordLen; j++) {

                    if (salad[row][col + j] != EMPTY_CHAR &&
                        salad[row][col + j] != words[i][j]) {

                        canPlace = 0;
                        break;
                        }
                }
            }


            // 5. Vertikale Platzierung prüfen