/*
 * Copyright (c) 2023 Fancy Code.
 * Licensed 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.
 */
#include "Log.h"
#include "ILogCpp.h"
#include <stdarg.h>
#include <stdio.h>
#include <iostream>
#include <memory>
#include <string.h>
static void LogFree(ILog *object)
{
    printf("log instance free.\n");
    if (object)
    {
        free(object);
    }
}
static int LogPrintf(ILog *object, const char *function, const int line, const enum LogType type, const char *format, ...)
{
    // TODO:
    // LogTypeToString(type);
    constexpr int SEND_TRACE_BUFF_SIZE = 2048;
    char buff[SEND_TRACE_BUFF_SIZE] = {0};
    snprintf(buff, SEND_TRACE_BUFF_SIZE, "[%s:%d]:", function, line);
    // ILog::GetInstance()->Log(buff);
    const int headLen = strlen(buff);
    va_list vargs;
    va_start(vargs, format);
    int len = vsnprintf(buff + headLen, SEND_TRACE_BUFF_SIZE - headLen, format, vargs);
    va_end(vargs);
    switch (type)
    {
    case LOG_TYPE_INFORMATION:
        ILogCpp::GetInstance()->InFo(buff);
        break;

    case LOG_TYPE_WARNING:
        ILogCpp::GetInstance()->Warning(buff);
        break;

    case LOG_TYPE_ERROR:
        ILogCpp::GetInstance()->Error(buff);
        break;

    case LOG_TYPE_DEBUG:
        ILogCpp::GetInstance()->Debug(buff);
        break;

    case LOG_TYPE_TRACE:
        ILogCpp::GetInstance()->Trace(buff);
        break;

    default:
        break;
    }
    return len;
}
static void LogImplInit(Log *log)
{
    printf("LogImplInit\n");
    ((ILog *)log)->printf = LogPrintf;
    ((ILog *)log)->free = LogFree;
}
void NewLog(Log **log)
{
    if (!log)
    {
        printf("STATUS_CODE_INVALID_PARAMENTER\n");
        return;
    }
    if (!(*log))
    {
        *log = (Log *)malloc(sizeof(Log));
        if (*log)
        {
            printf("NewLog succeed.\n");
            NewILog((ILog **)log);
            LogImplInit(*log);
            return;
        }
        LogError("NewLog failed.\n");
        return;
    }
    // else
    {
        LogImplInit(*log);
        return;
    }
}