/*-
 * Copyright (c) 2011-2014 Juan Romero Pardines.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * 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 <stdlib.h>
#include <string.h>
#include <errno.h>
#include <syslog.h>
#include <assert.h>
#include <xbps.h>
#include "defs.h"

int
state_cb(const struct xbps_state_cb_data *xscd, void *cbdata _unused)
{
	xbps_dictionary_t pkgd;
	const char *instver, *newver;
	char *pkgname;
	int rv = 0;
	bool slog = false;

	if ((xscd->xhp->flags & XBPS_FLAG_DISABLE_SYSLOG) == 0) {
		slog = true;
		openlog("xbps-install", LOG_CONS, LOG_USER);
	}

	switch (xscd->state) {
	/* notifications */
	case XBPS_STATE_TRANS_DOWNLOAD:
		printf("\n[*] Downloading binary packages\n");
		break;
	case XBPS_STATE_TRANS_VERIFY:
		printf("\n[*] Verifying package integrity\n");
		break;
	case XBPS_STATE_TRANS_RUN:
		printf("\n[*] Running transaction tasks\n");
		break;
	case XBPS_STATE_TRANS_CONFIGURE:
		printf("\n[*] Configuring unpacked packages\n");
		break;
	case XBPS_STATE_REPOSYNC:
		printf("[*] Updating `%s' ...\n", xscd->arg);
		break;
	case XBPS_STATE_VERIFY:
		printf("%s\n", xscd->desc);
		break;
	case XBPS_STATE_CONFIG_FILE:
		if (xscd->desc != NULL)
			printf("%s\n", xscd->desc);
		break;
	case XBPS_STATE_REMOVE:
		printf("%s: removing ...\n", xscd->arg);
		break;
	case XBPS_STATE_CONFIGURE:
		printf("%s: configuring ...\n", xscd->arg);
		break;
	case XBPS_STATE_CONFIGURE_DONE:
		/* empty */
		break;
	case XBPS_STATE_UNPACK:
		printf("%s: unpacking ...\n", xscd->arg);
		break;
	case XBPS_STATE_INSTALL:
	case XBPS_STATE_DOWNLOAD:
		/* empty */
		break;
	case XBPS_STATE_UPDATE:
		pkgname = xbps_pkg_name(xscd->arg);
		assert(pkgname);
		newver = xbps_pkg_version(xscd->arg);
		pkgd = xbps_pkgdb_get_pkg(xscd->xhp, pkgname);
		xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &instver);
		printf("%s: updating to %s ...\n", instver, newver);
		free(pkgname);
		break;
	/* success */
	case XBPS_STATE_REMOVE_FILE:
	case XBPS_STATE_REMOVE_FILE_OBSOLETE:
		if (xscd->xhp->flags & XBPS_FLAG_VERBOSE)
			printf("%s\n", xscd->desc);
		else {
			printf("%s\n", xscd->desc);
			printf("\033[1A\033[K");
		}
		break;
	case XBPS_STATE_INSTALL_DONE:
		printf("%s: installed successfully.\n", xscd->arg);
		if (slog) {
			syslog(LOG_NOTICE, "Installed `%s' successfully "
			    "(rootdir: %s).", xscd->arg,
			    xscd->xhp->rootdir);
		}
		break;
	case XBPS_STATE_UPDATE_DONE:
		printf("%s: updated successfully.\n", xscd->arg);
		if (slog) {
			syslog(LOG_NOTICE, "Updated `%s' successfully "
			    "(rootdir: %s).", xscd->arg,
			    xscd->xhp->rootdir);
		}
		break;
	case XBPS_STATE_REMOVE_DONE:
		printf("%s: removed successfully.\n", xscd->arg);
		if (slog) {
			syslog(LOG_NOTICE, "Removed `%s' successfully "
			    "(rootdir: %s).", xscd->arg,
			    xscd->xhp->rootdir);
		}
		break;
	case XBPS_STATE_REPO_KEY_IMPORT:
		printf("%s\n", xscd->desc);
		printf("Fingerprint: %s\n", xscd->arg);
		rv = yesno("Do you want to import this public key?");
		break;
	case XBPS_STATE_SHOW_INSTALL_MSG:
		printf("%s: post-install message:\n%s", xscd->arg, xscd->desc);
		break;
	case XBPS_STATE_UNPACK_FILE_PRESERVED:
		printf("%s\n", xscd->desc);
		break;
	/* errors */
	case XBPS_STATE_UNPACK_FAIL:
	case XBPS_STATE_UPDATE_FAIL:
	case XBPS_STATE_CONFIGURE_FAIL:
	case XBPS_STATE_REMOVE_FAIL:
	case XBPS_STATE_VERIFY_FAIL:
	case XBPS_STATE_DOWNLOAD_FAIL:
	case XBPS_STATE_REPOSYNC_FAIL:
	case XBPS_STATE_CONFIG_FILE_FAIL:
		xbps_error_printf("%s\n", xscd->desc);
		if (slog) {
			syslog(LOG_ERR, "%s", xscd->desc);
		}
		break;
	case XBPS_STATE_REMOVE_FILE_FAIL:
	case XBPS_STATE_REMOVE_FILE_HASH_FAIL:
	case XBPS_STATE_REMOVE_FILE_OBSOLETE_FAIL:
		/* Ignore errors due to not empty directories */
		if (xscd->err == ENOTEMPTY)
			return 0;

		xbps_error_printf("%s\n", xscd->desc);
		if (slog) {
			syslog(LOG_ERR, "%s", xscd->desc);
		}
		break;
	default:
		if (xscd->desc)
			xbps_error_printf("%s\n", xscd->desc);
		else
			xbps_dbg_printf(xscd->xhp,
			    "%s: unknown state %d\n", xscd->arg, xscd->state);

		break;
	}

	return rv;
}