#include <criterion/criterion.h>
#include <stdio.h>

#include "map.h"

/*
** TESTS: map/io.c - Writing to file
*/

Test(map_io, write_to_file)
{
	t_map		map;
	FILE		*f;
	char		buffer[256];
	const char	*path = "/tmp/test_c_md_map.map";

	map_init(&map);
	map_add(&map, 2, 8, 1, 7);
	map_add(&map, 15, 22, 9, 16);

	cr_assert_eq(map_write(&map, path, "main.c.md", "main.c"), 0);

	f = fopen(path, "r");
	cr_assert_not_null(f);

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "C-MD MAP v1\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "source: main.c.md\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "target: main.c\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "---\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "2-8:1-7\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "15-22:9-16\n");

	fclose(f);
	remove(path);
	map_free(&map);
}

Test(map_io, write_empty_map)
{
	t_map		map;
	FILE		*f;
	char		buffer[256];
	const char	*path = "/tmp/test_c_md_empty_map.map";

	map_init(&map);

	cr_assert_eq(map_write(&map, path, "test.c.md", "test.c"), 0);

	f = fopen(path, "r");
	cr_assert_not_null(f);

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "C-MD MAP v1\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "source: test.c.md\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "target: test.c\n");

	fgets(buffer, sizeof(buffer), f);
	cr_assert_str_eq(buffer, "---\n");

	fclose(f);
	remove(path);
	map_free(&map);
}