/*-
 * Licensed under the SPDX BSD-2-Clause identifier.
 * Use is subject to license terms, as specified in the LICENSE file.
 */

#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[XBPS_NAME_SIZE];
	int rv = 0;
	bool slog = false;

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

	switch (xscd->state) {
	/* notifications */
	case XBPS_STATE_TRANS_DOWNLOAD:
		printf("\n[*] Downloading packages\n");
		break;
	case XBPS_STATE_TRANS_VERIFY:
		printf("\n[*] Verifying package integrity\n");
		break;
	case XBPS_STATE_TRANS_FILES:
		printf("\n[*] Collecting package files\n");
		break;
	case XBPS_STATE_TRANS_RUN:
		printf("\n[*] Unpacking packages\n");
		break;
	case XBPS_STATE_TRANS_CONFIGURE:
		printf("\n[*] Configuring unpacked packages\n");
		break;
	case XBPS_STATE_PKGDB:
		printf("[*] pkgdb upgrade in progress, please wait...\n");
		break;
	case XBPS_STATE_REPOSYNC:
		printf("[*] Updating repository `%s' ...\n", xscd->arg);
		break;
	case XBPS_STATE_TRANS_ADDPKG:
		if (xscd->xhp->flags & XBPS_FLAG_VERBOSE)
			printf("%s\n", xscd->desc);
		break;
	case XBPS_STATE_VERIFY:
		printf("%s\n", xscd->desc);
		break;
	case XBPS_STATE_FILES:
		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:
		if (!xbps_pkg_name(pkgname, sizeof(pkgname), xscd->arg)) {
			abort();
		}
		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);
		if (slog) {
			syslog(LOG_NOTICE, "%s: updating to %s ... "
			    "(rootdir: %s)\n", instver, newver,
			    xscd->xhp->rootdir);
		}
		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_PKGDB_DONE:
		printf("The pkgdb file has been upgraded successfully, please reexec "
		    "the command again.\n");
		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", xscd->arg);
		printf("========================================================================\n");
		printf("%s", xscd->desc);
		printf("========================================================================\n");
		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_FILES_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 or directories being a mount point */
		if (xscd->err == ENOTEMPTY || xscd->err == EBUSY)
			return 0;

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

		break;
	}

	return rv;
}