/*
 * Copyright (c) 2025 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <errno.h>
#include <fmgt.h>
#include <pcut/pcut.h>
#include <stdbool.h>
#include <stdio.h>
#include <str.h>
#include <vfs/vfs.h>

PCUT_INIT;

PCUT_TEST_SUITE(copy);

/** Copy file to file. */
PCUT_TEST(copy_file_file)
{
	fmgt_t *fmgt = NULL;
	char buf[L_tmpnam];
	char *sname;
	char *dname;
	FILE *f;
	char *p;
	int rv;
	fmgt_flist_t *flist;
	errno_t rc;

	/* Create name for temporary directory */
	p = tmpnam(buf);
	PCUT_ASSERT_NOT_NULL(p);

	/* Create temporary directory */
	rc = vfs_link_path(p, KIND_DIRECTORY, NULL);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rv = asprintf(&sname, "%s/%s", p, "a");
	PCUT_ASSERT_TRUE(rv >= 0);

	rv = asprintf(&dname, "%s/%s", p, "b");
	PCUT_ASSERT_TRUE(rv >= 0);

	f = fopen(sname, "wb");
	PCUT_ASSERT_NOT_NULL(f);

	rv = fprintf(f, "X");
	PCUT_ASSERT_TRUE(rv >= 0);

	rv = fclose(f);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rc = fmgt_create(&fmgt);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_create(&flist);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_append(flist, sname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_copy(fmgt, flist, dname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	fmgt_flist_destroy(flist);

	rv = remove(sname);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rv = remove(dname);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rv = remove(p);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	free(sname);
	free(dname);
	fmgt_destroy(fmgt);
}

/** Copy directory to directory. */
PCUT_TEST(copy_dir_dir)
{
	fmgt_t *fmgt = NULL;
	char buf[L_tmpnam];
	char *sname;
	char *dname;
	char *p;
	int rv;
	fmgt_flist_t *flist;
	errno_t rc;

	/* Create name for temporary directory */
	p = tmpnam(buf);
	PCUT_ASSERT_NOT_NULL(p);

	/* Create temporary directory */
	rc = vfs_link_path(p, KIND_DIRECTORY, NULL);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rv = asprintf(&sname, "%s/%s", p, "a");
	PCUT_ASSERT_TRUE(rv >= 0);

	rv = asprintf(&dname, "%s/%s", p, "b");
	PCUT_ASSERT_TRUE(rv >= 0);

	rc = vfs_link_path(sname, KIND_DIRECTORY, NULL);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_create(&fmgt);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_create(&flist);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_append(flist, sname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_copy(fmgt, flist, dname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	fmgt_flist_destroy(flist);

	rv = remove(sname);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rv = remove(dname);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rv = remove(p);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	free(sname);
	free(dname);
	fmgt_destroy(fmgt);
}

/** Copy files and directories into directory. */
PCUT_TEST(copy_into_dir)
{
	fmgt_t *fmgt = NULL;
	char buf[L_tmpnam];
	char *fname;
	char *dname;
	FILE *f;
	char *p;
	int rv;
	fmgt_flist_t *flist;
	errno_t rc;

	/* Create name for temporary directory */
	p = tmpnam(buf);
	PCUT_ASSERT_NOT_NULL(p);

	/* Create temporary directory */
	rc = vfs_link_path(p, KIND_DIRECTORY, NULL);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rv = asprintf(&fname, "%s/%s", p, "a");
	PCUT_ASSERT_TRUE(rv >= 0);

	rv = asprintf(&dname, "%s/%s", p, "b");
	PCUT_ASSERT_TRUE(rv >= 0);

	f = fopen(fname, "wb");
	PCUT_ASSERT_NOT_NULL(f);

	rv = fprintf(f, "X");
	PCUT_ASSERT_TRUE(rv >= 0);

	rv = fclose(f);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rc = vfs_link_path(dname, KIND_DIRECTORY, NULL);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_create(&fmgt);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_create(&flist);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_append(flist, fname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_flist_append(flist, dname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	rc = fmgt_copy(fmgt, flist, dname);
	PCUT_ASSERT_ERRNO_VAL(EOK, rc);

	fmgt_flist_destroy(flist);

	rv = remove(fname);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rv = remove(dname);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	rv = remove(p);
	PCUT_ASSERT_INT_EQUALS(0, rv);

	free(fname);
	free(dname);
	fmgt_destroy(fmgt);
}

PCUT_EXPORT(copy);