#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// okay to copy/adapt

// one of these might be helpful for testing find result
#define mu_check_strings_equal_length(s1, s2, length)
// ---- OR ----
#define mu_check_find_result(expected, find_result)

char* _copy_string(char const* str) {
    char* result_str = malloc(sizeof(*result_str) * (strlen(str) + 1));
    strcpy(result_str, str);
    return result_str;
}

int _test_free_strings_two_strings() {
    mu_start();
    //────────────────────
    char** strings = malloc(sizeof(*strings) * 2);
    strings[0] = _copy_string("Hello");
    strings[1] = _copy_string("World");
    struct Strings strings = { .strings = strings, .num_strings = 2 };
    free_strings(&strings);
    //────────────────────
    mu_end();
}

int _test_copy_substring_length_five() {
    mu_start();
    //────────────────────
    char const* input = "Hello World";
    char* result = copy_substring(input, 5);
    mu_check(result != NULL);
    mu_check_strings_equal(result, "Hello");
    free(result);
    //────────────────────
    mu_end();
}

int _test_find_substring_one_needle_one_occurance() {
    mu_start();
    //────────────────────
    char const* input = "Hello World";
    char const* pos = input;
    char* strings[] = { " " };
    struct Strings needles = { .strings = strings, .num_strings = 1 };
    struct FindResult result = find_substring(&pos, needles);
    mu_check_strings_equal(" ", result.needle);
    mu_check(result.idx == 5);:w

    mu_check(strncmp(" ", input + result.idx, 1) == 0);
    mu_check(pos == input + 6);
    //────────────────────
    mu_end();
}

// you will want *many* more tests than this most likely


int main(int argc, char* argv[]) {
    
    return EXIT_SUCCESS;
}
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