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

import {UUID} from '../UUID';
import {MessageFlags} from '../../enums/MessageFlags';
import {Packet} from '../Packet';

export class SystemMessagePacket implements Packet
{
    name = 'SystemMessage';
    flags = MessageFlags.Trusted | MessageFlags.Zerocoded | MessageFlags.FrequencyLow;
    id = 4294902164;

    MethodData: {
        Method: string;
        Invoice: UUID;
        Digest: Buffer;
    };
    ParamList: {
        Parameter: string;
    }[];

    getSize(): number
    {
        return (this.MethodData['Method'].length + 1) + ((this.calculateVarVarSize(this.ParamList, 'Parameter', 1)) * this.ParamList.length) + 49;
    }

    calculateVarVarSize(block: object[], paramName: string, extraPerVar: number): number
    {
        let size = 0;
        block.forEach((bl: any) =>
        {
            size += bl[paramName].length + extraPerVar;
        });
        return size;
    }

     writeToBuffer(buf: Buffer, pos: number): number
     {
         const startPos = pos;
         buf.write(this.MethodData['Method'], pos);
         pos += this.MethodData['Method'].length;
         this.MethodData['Invoice'].writeToBuffer(buf, pos);
         pos += 16;
         this.MethodData['Digest'].copy(buf, pos);
         pos += 32;
         const count = this.ParamList.length;
         buf.writeUInt8(this.ParamList.length, pos++);
         for (let i = 0; i < count; i++)
         {
             buf.write(this.ParamList[i]['Parameter'], pos);
             pos += this.ParamList[i]['Parameter'].length;
         }
         return pos - startPos;
     }

     readFromBuffer(buf: Buffer, pos: number): number
     {
         const startPos = pos;
         const newObjMethodData: {
             Method: string,
             Invoice: UUID,
             Digest: Buffer
         } = {
             Method: '',
             Invoice: UUID.zero(),
             Digest: Buffer.allocUnsafe(0)
         };
         newObjMethodData['Method'] = buf.toString('utf8', pos, length);
         pos += length;
         newObjMethodData['Invoice'] = new UUID(buf, pos);
         pos += 16;
         newObjMethodData['Digest'] = buf.slice(pos, pos + 32);
         pos += 32;
         this.MethodData = newObjMethodData;
         const count = buf.readUInt8(pos++);
         this.ParamList = [];
         for (let i = 0; i < count; i++)
         {
             const newObjParamList: {
                 Parameter: string
             } = {
                 Parameter: ''
             };
             newObjParamList['Parameter'] = buf.toString('utf8', pos, length);
             pos += length;
             this.ParamList.push(newObjParamList);
         }
         return pos - startPos;
     }
}