/*
 * Copyright (C) 2025 Amlogic Corporation.
 *
 * 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 <errno.h>
#include <dlfcn.h>
#include <stdlib.h>
#include "meson_display_wrap.h"
#include "Logger.h"
#include "ErrorCode.h"

#define TAG "rlib:meson_display_wrap"

#define MEDSON_DISPLAY_LIB_NAME "libdisplay_settings.so"

mesonDisplayLib * mesonDisplayLoadLib(int logCategory)
{
    bool ret = true;
    INFO(logCategory, "load meson display so symbol");

    mesonDisplayLib *handle = (mesonDisplayLib*)calloc( 1, sizeof(mesonDisplayLib));
    if (!handle) {
        ERROR(logCategory, "calloc resman struct fail");
        return NULL;
    }
    handle->libHandle = dlopen(MEDSON_DISPLAY_LIB_NAME, RTLD_NOW);
    if (handle->libHandle == NULL) {
        ERROR(logCategory, "unable to dlopen %s : %s",MEDSON_DISPLAY_LIB_NAME, dlerror());
        free(handle);
        return NULL;
    }

    handle->getDisplayMode = (_getDisplayMode)dlsym(handle->libHandle, "getDisplayMode");
    if (handle->getDisplayMode == NULL) {
        ERROR(logCategory,"dlsym getDisplayMode failed, err=%s \n", dlerror());
        ret = false;
    }

    if (ret)
        return handle;

    // something error
    if (handle) {
        if (handle->libHandle) {
            dlclose(handle->libHandle);
        }
        free(handle);
    }
    ERROR(logCategory,"meson display load fail !!! \n");
    return NULL;
}
int mesonDisplayUnLoadLib(int logCategory, mesonDisplayLib *handle)
{
    if (handle) {
        if (handle->libHandle) {
            dlclose(handle->libHandle);
        }
        free(handle);
    }
    INFO(logCategory, "unload meson display so symbol");
    return NO_ERROR;
}