/*
 * Copyright (c) 2024 Shenzhen Kaihong Digital Industry Development Co., Ltd.
 * 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 "hello_dump.h"
#include <securec.h>
#include <stdio.h>
#include "devhost_dump_reg.h"
#include "hdf_base.h"
#include "hello_log.h"

#define HDF_LOG_TAG    uhdf_hello_service

// -c dump the helloworld info
static const char *g_dumpHelp =
    " usage:\n"
    " -h, --help: dump help\n"
    " -c, --channel: dump the hello channel info\n";

static uint32_t ShowHelloworldInfo(struct HdfSBuf *reply)
{
    int32_t ret;
    const char *helloWorldMessage = "Hello, World!";

    ret = HdfSbufWriteString(reply, helloWorldMessage);
    if (ret != HDF_SUCCESS) {
        HDF_LOGE("%{public}s: write hello world info failed", __func__);
        return HDF_FAILURE;
    }
    
    HDF_LOGI("%{public}s: hellodump: print hello world !", __func__);

    return HDF_SUCCESS;

}

static int32_t DumpHelloChannel(struct HdfSBuf *reply)
{
    int32_t ret;
    HDF_LOGI("%{public}s: get hello dump channel begin", __func__);
    ret = ShowHelloworldInfo(reply);
    if (ret != HDF_SUCCESS) {
        HDF_LOGE("%{public}s: show hello world info failed", __func__);
        return HDF_FAILURE;
    }

    return HDF_SUCCESS;
}

static int32_t HelloDriverDump(struct HdfSBuf *data, struct HdfSBuf *reply)
{
    uint32_t i;
    uint32_t argv = 0;
    HDF_LOGI("%{public}s: get hello dump begin xx", __func__);
    if (data == NULL || reply == NULL) {
        return HDF_FAILURE;
    }

    if (!HdfSbufReadUint32(data, &argv)) {
        HDF_LOGE("%{public}s: read argv failed", __func__);
        return HDF_FAILURE;
    }

    if (argv == 0) {
        if (!HdfSbufWriteString(reply, g_dumpHelp)) {
            HDF_LOGE("%{public}s: write -h failed", __func__);
            return HDF_FAILURE;
        }
    }

    for (i = 0; i < argv; i++) {
        const char *value = HdfSbufReadString(data);
        if (value == NULL) {
            HDF_LOGE("%{public}s value is invalid", __func__);
            return HDF_FAILURE;
        }

        if (strcmp(value, "-h") == HDF_SUCCESS) {
            if (!HdfSbufWriteString(reply, g_dumpHelp)) {
                HDF_LOGE("%{public}s: write -h failed", __func__);
                return HDF_FAILURE;
            }
            continue;
        } else if (strcmp(value, "-c") == HDF_SUCCESS) {
            DumpHelloChannel(reply);
            continue;
        }
    }

    return HDF_SUCCESS;
}

int32_t GetHelloDump(struct HdfSBuf *data, struct HdfSBuf *reply)
{
    HDF_LOGI("%{public}s: get hello dump begin", __func__);
    int32_t ret = HelloDriverDump(data, reply);
    if (ret != HDF_SUCCESS) {
        HDF_LOGE("%{public}s: get hello dump failed", __func__);
        return HDF_FAILURE;
    }

    return HDF_SUCCESS;
}