// This file has been automatically generated by writeMessageClasses.js

import { UUID } from '../UUID';
import { MessageFlags } from '../../enums/MessageFlags';
import { MessageBase } from '../MessageBase';
import { Message } from '../../enums/Message';

export class RemoveNameValuePairMessage implements MessageBase
{
    name = 'RemoveNameValuePair';
    messageFlags = MessageFlags.Trusted | MessageFlags.FrequencyLow;
    id = Message.RemoveNameValuePair;

    TaskData: {
        ID: UUID;
    };
    NameValueData: {
        NVPair: Buffer;
    }[];

    getSize(): number
    {
        return this.calculateVarVarSize(this.NameValueData, 'NVPair', 2) + 17;
    }

    calculateVarVarSize(block: { [key: string]: any }[], paramName: string, extraPerVar: number): number
    {
        let size = 0;
        for (const bl of block)
        {
            size += bl[paramName].length + extraPerVar;
        }
        return size;
    }

    // @ts-ignore
    writeToBuffer(buf: Buffer, pos: number): number
    {
        const startPos = pos;
        this.TaskData['ID'].writeToBuffer(buf, pos);
        pos += 16;
        const count = this.NameValueData.length;
        buf.writeUInt8(this.NameValueData.length, pos++);
        for (let i = 0; i < count; i++)
        {
            buf.writeUInt16LE(this.NameValueData[i]['NVPair'].length, pos);
            pos += 2;
            this.NameValueData[i]['NVPair'].copy(buf, pos);
            pos += this.NameValueData[i]['NVPair'].length;
        }
        return pos - startPos;
    }

    // @ts-ignore
    readFromBuffer(buf: Buffer, pos: number): number
    {
        const startPos = pos;
        let varLength = 0;
        const newObjTaskData: {
            ID: UUID
        } = {
            ID: UUID.zero()
        };
        newObjTaskData['ID'] = new UUID(buf, pos);
        pos += 16;
        this.TaskData = newObjTaskData;
        if (pos >= buf.length)
        {
            return pos - startPos;
        }
        const count = buf.readUInt8(pos++);
        this.NameValueData = [];
        for (let i = 0; i < count; i++)
        {
            const newObjNameValueData: {
                NVPair: Buffer
            } = {
                NVPair: Buffer.allocUnsafe(0)
            };
            varLength = buf.readUInt16LE(pos);
            pos += 2;
            newObjNameValueData['NVPair'] = buf.slice(pos, pos + varLength);
            pos += varLength;
            this.NameValueData.push(newObjNameValueData);
        }
        return pos - startPos;
    }
}