/*
 * Copyright (C) 2022 Huawei Device 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.
 */

import {FormatCommand} from "../hdcclient/FormatCommand.js";
import {warn} from "../../log/Log.js";

export class Utils {
    private static localId = 1;

    public static getSessionId(): number {
        return Math.round(Math.random() * 100000000);
    }

    public static getLocalId(): number {
        if (this.localId == 4294967295) {
            this.localId = 1;
        }
        return this.localId++;
    }

    public static formatCommand(cmd: string): FormatCommand {
        let command = cmd;
        if (cmd.startsWith("hdc_std")) {
            command = command.substring("hdc_std ".length);
        } else if (cmd.startsWith("hdc")) {
            command = command.substring("hdc ".length);
        }
        let formatCommand = FormatCommand.string2FormatCommand(command);
        // formatCommand Success
        if (formatCommand.cmdFlag <= -1) {
            warn("command : " + command + " is not Support",)
        }
        return formatCommand;
    }

    public static  numToHexString(num: number): string {
        if(num == undefined||num == null||isNaN(num)){
            return "0x0"
        }
        if(num < 0){
            return "0x"+(num >>> 0).toString(16)
        }else {
            return "0x"+num.toString(16)
        }
    }
}