#include "../include/hash_table.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

void generate_word(char *buf, size_t len){
    for(size_t i =0; i< len -1; i++){
        buf[i]= 'a' + (rand() %26);

    }
    buf[len -1] = 0;
}
int main(int argc, char **argv){
    if(argc != 3){
        printf("Usage: <wordlist filename> <number of guesses>\n");
        return EXIT_FAILURE;
    }
    
    char *filename = argv[1];
    uint32_t num_guesses = atol(argv[2]);
    const uint32_t tablesize = (1<<20);

    Hash_Table *ht = hash_table_new(tablesize, hash_fnv1, NULL, 0);

    FILE *fp = fopen(filename,"r");
    char buffer[4096];
    uint32_t numwords = 0;

    while(!feof(fp) && fgets(buffer, 4096, fp) != NULL){
        buffer[strcspn(buffer,"\n\r")] = 0;
        char *new = malloc(strlen(buffer)+1);
        strcpy(new,buffer);
        hash_table_create(ht, new, new, 0);
        numwords ++;
    }

    fclose(fp);
    printf("Loaded %d words into the table.\n", numwords);
    hash_table_print(ht,0);
    uint32_t good_guesses =0;
    const int shortest = 3;
    const int longest = 15;

    for(uint32_t i =0; i<num_guesses;i++){
        generate_word(buffer, shortest + (rand() % (longest-shortest)));
        if(hash_table_read(ht,buffer)){
            good_guesses++;
            printf("%s - Found\n",buffer);
        }     
    }
    printf("%u of %u were found\n",good_guesses, num_guesses);
    hash_table_free(ht);
    return EXIT_SUCCESS;
}