#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>

#define MAX_LINE 4096

void generate_random_word(char* buffer, size_t length) {
	for (size_t i = 0; i < length; i++) {
		buffer[i] = 'a' + (rand() % 26);
	}
	buffer[length - 1] = 0;
}

int main(int argc, char** argv) {
	if (argc != 3) {
		printf("usage: %s <wordlist filename> <num words>\n", argv[0]);
		return EXIT_FAILURE;
	}

	char* filename = argv[1];
	uint32_t num_words = atol(argv[2]);


	FILE* fp = fopen(filename, "w");
	char* buffer = calloc(sizeof(char), MAX_LINE);
	const int shortest_guess = 2;
	const int longest_guess = 15;

	for (uint32_t i = 0; i < num_words; i++) {
		generate_random_word(buffer, shortest_guess +
			(rand() % (longest_guess - shortest_guess)));
		fprintf(fp, "%s\n", buffer);
	}

	fclose(fp);
	free(buffer);
}