#include <check.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>

#include "ttail_check.h"
#include "ttail.h"
#include "ttail_init.h"

/*
 * ttail_format_guess() tests
 */
START_TEST (test_init_guess_date)
{
	int ret;
	struct tm tm;
	char res[] = "%Y/%m/%d";
	ret = ttail_format_guess(ttail, "1988/10/22", &tm);
	ck_assert_int_ne(ret, -1);
	ck_assert_str_eq(fmt[ret], res);
	ck_assert(ttail->fmt != NULL);
	ck_assert_str_eq(ttail->fmt, res);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == TTAIL_FLAG_FORMAT);
	ck_assert_int_eq(tm.tm_year, 88);
	ck_assert_int_eq(tm.tm_mon, 9);
	ck_assert_int_eq(tm.tm_mday, 22);
	ck_assert_int_eq(tm.tm_hour, 0);
	ck_assert_int_eq(tm.tm_min, 0);
	ck_assert_int_eq(tm.tm_sec, 0);
}
END_TEST

START_TEST (test_init_guess_datetime)
{
	int ret;
	struct tm tm;
	char res[] = "%Y/%m/%d:%H:%M";
	ret = ttail_format_guess(ttail, "1988/10/22:22:10:00", &tm);
	ck_assert_int_ne(ret, -1);
	ck_assert_str_eq(fmt[ret], res);
	ck_assert(ttail->fmt != NULL);
	ck_assert_str_eq(ttail->fmt, res);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == TTAIL_FLAG_FORMAT);
	ck_assert_int_eq(tm.tm_year, 88);
	ck_assert_int_eq(tm.tm_mon, 9);
	ck_assert_int_eq(tm.tm_mday, 22);
	ck_assert_int_eq(tm.tm_hour, 22);
	ck_assert_int_eq(tm.tm_min, 10);
	ck_assert_int_eq(tm.tm_sec, 0);
}
END_TEST

START_TEST (test_init_guess_datetime2)
{
	int ret;
	struct tm tm;
	char res[] = "%B%n%d %H:%M:%S";
	ret = ttail_format_guess(ttail, "Mar  6 00:01:39 pilgrim dhclient", &tm);
	ck_assert_int_ne(ret, -1);
	ck_assert_str_eq(fmt[ret], res);
	ck_assert(ttail->fmt != NULL);
	ck_assert_str_eq(ttail->fmt, res);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == TTAIL_FLAG_FORMAT);
	ck_assert_int_eq(tm.tm_year, 0);
	ck_assert_int_eq(tm.tm_mon, 2);
	ck_assert_int_eq(tm.tm_mday, 6);
	ck_assert_int_eq(tm.tm_hour, 0);
	ck_assert_int_eq(tm.tm_min, 1);
	ck_assert_int_eq(tm.tm_sec, 39);
}
END_TEST

START_TEST (test_init_guess_noguess)
{
	int ret;
	struct tm tm;
	ret = ttail_format_guess(ttail, "notadate", &tm);
	ck_assert_int_eq(ret, -1);
	ck_assert(ttail->fmt == NULL);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == 0);
	ck_assert_int_eq(tm.tm_year, 0);
	ck_assert_int_eq(tm.tm_mon, 0);
	ck_assert_int_eq(tm.tm_mday, 0);
	ck_assert_int_eq(tm.tm_hour, 0);
	ck_assert_int_eq(tm.tm_min, 0);
	ck_assert_int_eq(tm.tm_sec, 0);
}
END_TEST

START_TEST (test_init_guess_date_notm)
{
	int ret;
	char res[] = "%Y/%m/%d";
	ret = ttail_format_guess(ttail, "1988/10/22", NULL);
	ck_assert_int_ne(ret, -1);
	ck_assert_str_eq(fmt[ret], res);
	ck_assert(ttail->fmt != NULL);
	ck_assert_str_eq(ttail->fmt, res);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == TTAIL_FLAG_FORMAT);
}
END_TEST

START_TEST (test_init_guess_noguess_notm)
{
	int ret;
	struct tm tm;
	ret = ttail_format_guess(ttail, "notadate", &tm);
	ck_assert_int_eq(ret, -1);
	ck_assert(ttail->fmt == NULL);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == 0);
}
END_TEST

START_TEST (test_init_guess_fmt_set)
{
	int ret;
	char res[] = "%Y/%m/%d";
	ret = ttail_format_guess(ttail, "1988/10/22", NULL);
	ck_assert_str_eq(fmt[ret], res);
	ret = ttail_format_guess(ttail, "1988/10/22", NULL);
	ck_assert_int_eq(ret, -2);
	ck_assert_str_eq(ttail->fmt, res);
	ck_assert((ttail->flag & TTAIL_FLAG_FORMAT) == TTAIL_FLAG_FORMAT);
}
END_TEST

TTAIL_CHECK_START("ttail init checks", "date format guess init checks")
	TTAIL_SET_FIXTURE(setup_ttail_empty, teardown_ttail);
	TTAIL_ADD_TEST(test_init_guess_date);
	TTAIL_ADD_TEST(test_init_guess_datetime);
	TTAIL_ADD_TEST(test_init_guess_datetime2);
	TTAIL_ADD_TEST(test_init_guess_noguess);
	TTAIL_ADD_TEST(test_init_guess_date_notm);
	TTAIL_ADD_TEST(test_init_guess_noguess_notm);
	TTAIL_ADD_TEST(test_init_guess_fmt_set);
TTAIL_CHECK_END