/*
 * Copyright (c) 2018-2023 O.S.Systems
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(updatehub, CONFIG_UPDATEHUB_LOG_LEVEL);

#include <zephyr/shell/shell.h>
#include <zephyr/mgmt/updatehub.h>

#include "updatehub_firmware.h"
#include "updatehub_device.h"
#include "updatehub_storage.h"

#if defined(CONFIG_UPDATEHUB_CE)
#define UPDATEHUB_SERVER CONFIG_UPDATEHUB_SERVER
#else
#define UPDATEHUB_SERVER "coap.updatehub.io"
#endif

static int cmd_run(const struct shell *shell, size_t argc,
		   char **argv)
{
	int ret = -1;

	shell_fprintf(shell, SHELL_INFO, "Starting UpdateHub run...\n");

	switch (updatehub_probe()) {
	case UPDATEHUB_HAS_UPDATE:
		switch (updatehub_update()) {
		case UPDATEHUB_OK:
			ret = 0;
			break;
		default:
			shell_fprintf(shell, SHELL_ERROR, "Error installing update.\n");
			break;
		}
		break;

	case UPDATEHUB_NO_UPDATE:
		shell_fprintf(shell, SHELL_INFO, "No update found\n");
		ret = 0;
		break;

	default:
		shell_fprintf(shell, SHELL_ERROR, "Invalid response\n");
		break;
	}

	return ret;
}

static int cmd_info(const struct shell *shell, size_t argc, char **argv)
{
	ARG_UNUSED(argc);
	ARG_UNUSED(argv);

	char *device_id = k_malloc(DEVICE_ID_HEX_MAX_SIZE);
	char *firmware_version = k_malloc(FIRMWARE_IMG_VER_STRLEN_MAX);
	int ret = 0;

	if (device_id == NULL || firmware_version == NULL) {
		LOG_ERR("Could not alloc device_id or firmware_version memory");

		ret = -ENOMEM;

		goto updatehub_shell_error;
	}

	updatehub_get_device_identity(device_id, DEVICE_ID_HEX_MAX_SIZE);
	updatehub_get_firmware_version(UPDATEHUB_SLOT_PARTITION_0,
				       firmware_version,
				       FIRMWARE_IMG_VER_STRLEN_MAX);

	shell_fprintf(shell, SHELL_NORMAL, "Unique device id: %s\n",
		      device_id);
	shell_fprintf(shell, SHELL_NORMAL, "Firmware Version: %s\n",
		      firmware_version);
	shell_fprintf(shell, SHELL_NORMAL, "Product uid: %s\n",
		      CONFIG_UPDATEHUB_PRODUCT_UID);
	shell_fprintf(shell, SHELL_NORMAL, "UpdateHub Server: %s\n",
		      UPDATEHUB_SERVER);

updatehub_shell_error:
	if (device_id) {
		k_free(device_id);
	}

	if (firmware_version) {
		k_free(firmware_version);
	}

	return ret;
}

SHELL_STATIC_SUBCMD_SET_CREATE(sub_updatehub, SHELL_CMD(info, NULL, "Dump UpdateHub information",
							cmd_info),
			       SHELL_CMD(run, NULL, "Trigger an UpdateHub update run", cmd_run),
			       SHELL_SUBCMD_SET_END);

SHELL_CMD_REGISTER(updatehub, &sub_updatehub, "UpdateHub commands", NULL);