#ifndef _OAUTH2LIB_LOG_
#define _OAUTH2LIB_LOG_

#include <stdbool.h>
#include <stdio.h>

enum LOG_LEVEL {
	LOG_ERR,
	LOG_WARN,
	LOG_INFO,
	LOG_DEBUG,
	LOG_TRACE,
};

enum LOG_LOC_TYPE {
	LOG_LOC_TYPE_DISABLED,
	LOG_LOC_TYPE_FS,
	LOG_LOC_TYPE_STDS
};

struct log_loc {
	enum LOG_LOC_TYPE type;
	FILE* location;
	const char* file_name;
	bool keep_file_open;
};

#define LOG_LOC_FILE(file_location, keep_open) ((struct log_loc) { .type=LOG_LOC_TYPE_FS, .location=NULL, .file_name=file_location, .keep_file_open=keep_open })
#define LOG_LOC_STDS(stream) ((struct log_loc) { .type=LOG_LOC_TYPE_STDS, .location=stream, .file_name=NULL })
#define LOG_LOC_NONE() ((struct log_loc) { .type=LOG_LOC_TYPE_DISABLED })

struct log_config_s {
	struct log_loc loc_error;
	struct log_loc loc_warn;
	struct log_loc loc_info;
	struct log_loc loc_debug;
	struct log_loc loc_trace;

	bool timestamp;
};

struct logger_s {
	const char* module_name;
	struct log_config_s config;
};

void log_set_default_config(struct log_config_s config);
struct log_config_s* log_get_config(const char* module_name);

void log_log(const char* module, enum LOG_LEVEL log_level, const char* fmt, ...);

void log_log_ssl_err(const char* module, enum LOG_LEVEL log_level, const char* message_fmt, ...);

#endif //_OAUTH2LIB_LOG_