/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#ifndef __MCUBOOT_LOGGING_H__
#define __MCUBOOT_LOGGING_H__

#include <stdio.h>

#define MCUBOOT_LOG_LEVEL_OFF      0
#define MCUBOOT_LOG_LEVEL_ERROR    1
#define MCUBOOT_LOG_LEVEL_WARNING  2
#define MCUBOOT_LOG_LEVEL_INFO     3
#define MCUBOOT_LOG_LEVEL_DEBUG    4
#define MCUBOOT_LOG_LEVEL_SIM      5  /* RUST_LOG=trace */

/*
 * The compiled log level determines the maximum level that can be
 * printed.  Messages at or below this level can be printed, provided
 * they are also enabled through the Rust logging system, such as by
 * setting RUST_LOG to bootsim::api=info.
 */
#ifndef MCUBOOT_LOG_LEVEL
#define MCUBOOT_LOG_LEVEL MCUBOOT_LOG_LEVEL_DEBUG
#endif

#define MCUBOOT_LOG_MODULE_DECLARE(domain)	/* ignore */
#define MCUBOOT_LOG_MODULE_REGISTER(domain)	/* ignore */

int sim_log_enabled(int level);

#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_ERROR
#define MCUBOOT_LOG_ERR(_fmt, ...)                                      \
    do {                                                                \
        if (sim_log_enabled(MCUBOOT_LOG_LEVEL_ERROR)) {                 \
            fprintf(stderr, "[ERR] " _fmt "\n", ##__VA_ARGS__);         \
            fflush(stderr);                                             \
        }                                                               \
    } while (0)
#else
#define MCUBOOT_LOG_ERR(...) IGNORE(__VA_ARGS__)
#endif

#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_WARNING
#define MCUBOOT_LOG_WRN(_fmt, ...)                                      \
    do {                                                                \
        if (sim_log_enabled(MCUBOOT_LOG_LEVEL_WARNING)) {               \
            fprintf(stderr, "[WRN] " _fmt "\n", ##__VA_ARGS__);         \
            fflush(stderr);                                             \
        }                                                               \
    } while (0)
#else
#define MCUBOOT_LOG_WRN(...) IGNORE(__VA_ARGS__)
#endif

#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_INFO
#define MCUBOOT_LOG_INF(_fmt, ...)                                      \
    do {                                                                \
        if (sim_log_enabled(MCUBOOT_LOG_LEVEL_INFO)) {                  \
            fprintf(stderr, "[INF] " _fmt "\n", ##__VA_ARGS__);         \
            fflush(stderr);                                             \
        }                                                               \
    } while (0)
#else
#define MCUBOOT_LOG_INF(...) IGNORE(__VA_ARGS__)
#endif

#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_DEBUG
#define MCUBOOT_LOG_DBG(_fmt, ...)                                      \
    do {                                                                \
        if (sim_log_enabled(MCUBOOT_LOG_LEVEL_DEBUG)) {                 \
            fprintf(stderr, "[DBG] " _fmt "\n", ##__VA_ARGS__);         \
            fflush(stderr);                                             \
        }                                                               \
    } while (0)
#else
#define MCUBOOT_LOG_DBG(...) IGNORE(__VA_ARGS__)
#endif

#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_SIM
#define MCUBOOT_LOG_SIM(_fmt, ...)                                      \
    do {                                                                \
        if (sim_log_enabled(MCUBOOT_LOG_LEVEL_SIM)) {                   \
            fprintf(stderr, "[SIM] " _fmt "\n", ##__VA_ARGS__);         \
            fflush(stderr);                                             \
        }                                                               \
    } while (0)
#else
#define MCUBOOT_LOG_SIM(...) IGNORE(__VA_ARGS__)
#endif

#endif /* __MCUBOOT_LOGGING_H__ */