// Copyright(c) 2018-2020, Intel Corporation
//
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// 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.
// * Neither the name  of Intel Corporation  nor the names of its contributors
//   may be used to  endorse or promote  products derived  from this  software
//   without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT NOT LIMITED TO,  THE
// IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// LIABLE  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR
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#include <getopt.h>
#include "fpgainfo.h"
#include "powerinfo.h"
#include "bmcdata.h"
#include "board.h"
#include <opae/fpga.h>
#include <uuid/uuid.h>

#define MODEL_SIZE 64

/*
 * Print help
 */
void power_help(void)
{
	printf("\nPrint power metrics\n"
	       "        fpgainfo power [-h]\n"
	       "                -h,--help           Print this help\n"
	       "\n");
}

static void print_power_info(fpga_token token)
{
	fpga_properties props;
	fpga_metric_info metrics_info[METRICS_MAX_NUM] = { { 0 } };
	fpga_metric metrics[METRICS_MAX_NUM] = { { 0 } };
	uint64_t num_metrics;
	uint64_t num_metrics_info;
	fpga_result res = FPGA_OK;

	res = fpgaGetProperties(token, &props);
	ON_FPGAINFO_ERR_GOTO(res, out_destroy, "reading properties from token");

	fpgainfo_board_info(token);
	fpgainfo_print_common("//****** POWER ******//", props);

	res = get_metrics(token, FPGA_POWER, metrics_info, &num_metrics_info, metrics, &num_metrics);
	ON_FPGAINFO_ERR_GOTO(res, out_destroy, "reading metrics from BMC");

	print_metrics(metrics_info, num_metrics_info, metrics, num_metrics);

out_destroy:
	res = fpgaDestroyProperties(&props);
	ON_FPGAINFO_ERR_GOTO(res, out_exit, "destroying properties");

out_exit:
	return;
}

fpga_result power_filter(fpga_properties *filter, int argc, char *argv[])
{
	(void)argc;
	(void)argv;
	fpga_result res = FPGA_OK;
	res = fpgaPropertiesSetObjectType(*filter, FPGA_DEVICE);
	fpgainfo_print_err("setting type to FPGA_DEVICE", res);
	return res;
}

fpga_result power_command(fpga_token *tokens, int num_tokens, int argc,
			  char *argv[])
{
	(void)tokens;
	(void)num_tokens;
	(void)argc;
	(void)argv;

	fpga_result res = FPGA_OK;

	optind = 0;
	struct option longopts[] = {
		{"help", no_argument, NULL, 'h'},
		{0, 0, 0, 0},
	};

	int getopt_ret;
	int option_index;

	while (-1
	       != (getopt_ret = getopt_long(argc, argv, ":h", longopts,
					    &option_index))) {
		const char *tmp_optarg = optarg;

		if ((optarg) && ('=' == *tmp_optarg)) {
			++tmp_optarg;
		}

		switch (getopt_ret) {
		case 'h': /* help */
			power_help();
			return res;

		case ':': /* missing option argument */
			fprintf(stderr, "Missing option argument\n");
			power_help();
			return FPGA_INVALID_PARAM;

		case '?':
		default: /* invalid option */
			fprintf(stderr, "Invalid cmdline options\n");
			power_help();
			return FPGA_INVALID_PARAM;
		}
	}

	int i = 0;
	for (i = 0; i < num_tokens; ++i) {
		print_power_info(tokens[i]);
	}

	return res;
}