#include <stdio.h>

#include "cmd_console.h"
#include "cmd_monitor.h"
#include "cmd_remote.h"
#include "cmd_file.h"
#include "ulog_api.h"
#include "s2j/s2j.h"

#define LOGGING_MODULE_NAME     "logging"

typedef int (*cmd_cb)(cJSON *, int, char **);

typedef struct _log_cmd {
    char  cmd[20];
    cmd_cb cb;
} log_cmd_t;

ulog_t *g_log;
log_cmd_t g_log_cmd[] = {
    {"console", conf_console},
    {"monitor", conf_monitor},
    {"host", conf_remote},
    {"trap", conf_remote_level},
    {"file", conf_file}
};

log_cmd_t *get_cb_by_cmd(const char *cmd) 
{
    for (int i = 0; i < (sizeof(g_log_cmd) / sizeof(log_cmd_t)); i++) {
        if (strcasecmp(cmd, g_log_cmd[i].cmd) == 0) {
            return &g_log_cmd[i];
        }
    }

    return NULL;
}

static void logging_usage()
{
	int i = 0;
	char tmp_str[1024] = "";
	fprintf(stdout, "-----------------------------------------------------------------------------------------\n");
	fprintf(stdout, "usage of %s:", LOGGING_MODULE_NAME);
	for (i = 0; i < (sizeof(g_log_cmd) / sizeof(log_cmd_t)); i++) {
		strcat(tmp_str, g_log_cmd[i].cmd);
		if (i < (sizeof(g_log_cmd) / sizeof(log_cmd_t))-1) {
			strcat(tmp_str, "|");
		}
    }
	fprintf(stdout, "  %s %s\n", LOGGING_MODULE_NAME, tmp_str);
	fprintf(stdout, "\n");

	fprintf(stdout, "1. usage of %s %s:\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "  %s %s <level> [<module_name>, defalut is wildcard]]\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "  %s %s off\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "  %s %s get [<module_name>, defalut is wildcard]]\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "    <level> =  emerg | alert | crit | err | warn | notice | info | debug\n");
	fprintf(stdout, "    <module_name> the filtering module_name, only recode this module's log while set\n");
	fprintf(stdout, "	   eg: %s %s info moudle1\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "	       %s %s off\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "	       %s %s get\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "	       %s %s get module1\n", LOGGING_MODULE_NAME, g_log_cmd[0].cmd);
	fprintf(stdout, "\n");
	
	fprintf(stdout, "2. usage of %s %s is simple as %s\n", LOGGING_MODULE_NAME, g_log_cmd[1].cmd, g_log_cmd[0].cmd);
	fprintf(stdout, "\n");

	fprintf(stdout, "3. usage of %s %s:\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "  %s %s add <ip_addr> [<port>, defalut=514] [<RFCfmt>, defalut=RFC3164fmt]\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "  %s %s del <ip_addr> [<port>, defalut=514] [<RFCfmt>, defalut=RFC3164fmt]\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "  %s %s get <ip_addr> [<port>, defalut is wildcard] [<RFCfmt>, defalut is wildcard]\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "  %s %s getall\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "    <ip_addr> is the ip address of remote syslog server\n");
	fprintf(stdout, "    <port> is the port of remote syslog server\n");
	fprintf(stdout, "    <RFCfmt> = RFC3164fmt|RFC5424fmt, is the version of syslog format\n");
	fprintf(stdout, "	   eg: %s %s add 192.168.100.1 514 RFC3164fmt\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "	       %s %s del 192.168.100.1 514 RFC3164fmt\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "	       %s %s get 192.168.100.1\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "	       %s %s getall\n", LOGGING_MODULE_NAME, g_log_cmd[2].cmd);
	fprintf(stdout, "\n");

	fprintf(stdout, "4. usage of %s %s:\n", LOGGING_MODULE_NAME, g_log_cmd[3].cmd);
	fprintf(stdout, "  %s %s <level>\n", LOGGING_MODULE_NAME, g_log_cmd[3].cmd);
	fprintf(stdout, "  %s %s get\n", LOGGING_MODULE_NAME, g_log_cmd[3].cmd);
	fprintf(stdout, "    <level> =  emerg | alert | crit | err | warn | notice | info | debug \n");
	fprintf(stdout, "	   eg: %s %s info\n", LOGGING_MODULE_NAME, g_log_cmd[3].cmd);
	fprintf(stdout, "	       %s %s get\n", LOGGING_MODULE_NAME, g_log_cmd[3].cmd);
	fprintf(stdout, "\n");

	fprintf(stdout, "5. usage of %s %s:\n", LOGGING_MODULE_NAME, g_log_cmd[4].cmd);
	fprintf(stdout, "  %s %s [<level>, default=info] [<file_path>, default=/var/log/syslog-test] [<is_compress>, default=0] [<del_over_days>, default=180] [<del_over_size>, default=0]\n", LOGGING_MODULE_NAME, g_log_cmd[4].cmd);
	fprintf(stdout, "  %s %s get\n", LOGGING_MODULE_NAME, g_log_cmd[4].cmd);
	fprintf(stdout, "    <level> =  emerg | alert | crit | err | warn | notice | info | debug\n");
	fprintf(stdout, "    <file_path> is the path of syslog files saved\n");
	fprintf(stdout, "    <is_compress> = 0 | 1 , which 0 is syslog files is not compress while 1 is compress\n");
	fprintf(stdout, "    <del_over_days> is the syslog files life-time (days)\n");
	fprintf(stdout, "    <del_over_size> is the syslog files life-size (bytes), while 0 is no-check\n");
	fprintf(stdout, "	   eg: %s %s info /var/log/syslog-files 0 100 1024000\n", LOGGING_MODULE_NAME, g_log_cmd[4].cmd);
	fprintf(stdout, "	       %s %s get\n", LOGGING_MODULE_NAME, g_log_cmd[4].cmd);

	fprintf(stdout, "-----------------------------------------------------------------------------------------\n");
}

int main(int argc, char **argv)
{
    int ret = -1;
    if (argc < 2) {
        fprintf(stdout, "Parameter too few\n");
		logging_usage();
        return ret;
    }

	if (strcmp(argv[1], "-h")==0 || strcmp(argv[1], "--help")==0) {
		logging_usage();
		return 0;
	}

    g_log = ulog_init(LOGGING_MODULE_NAME, 1);
    if (g_log == NULL) {
        fprintf(stderr, "Initiating ulog is failure\n");
        return ret;
    }

    log_cmd_t *log_cmd = get_cb_by_cmd(argv[1]);
    if (log_cmd == NULL) {
        ulog_close(g_log);
        ULOG_WARNING(g_log, "Not find logging cmd:%s", argv[1]); 
        return -1;
    }

    s2j_create_json_obj(json_obj);
    if(json_obj == NULL)
    {        
        ULOG_ERR(g_log, "Creating json object is failure");       
        goto END;
    }

    if (log_cmd->cb(json_obj, argc, argv) != 0) {
        ULOG_ERR(g_log, "Configuring %s is failure", log_cmd->cmd);
        goto END;
    }

    ret = 0;
END:
    if(json_obj != NULL) {        
        cJSON_Delete(json_obj);
    }
    ulog_close(g_log);                         
    return ret;
}