// 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 ObjectImageMessage implements MessageBase
{
    name = 'ObjectImage';
    messageFlags = MessageFlags.Zerocoded | MessageFlags.FrequencyLow;
    id = Message.ObjectImage;

    AgentData: {
        AgentID: UUID;
        SessionID: UUID;
    };
    ObjectData: {
        ObjectLocalID: number;
        MediaURL: Buffer;
        TextureEntry: Buffer;
    }[];

    getSize(): number
    {
        return this.calculateVarVarSize(this.ObjectData, 'MediaURL', 1) + this.calculateVarVarSize(this.ObjectData, 'TextureEntry', 2) + ((4) * this.ObjectData.length) + 33;
    }

    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.AgentData['AgentID'].writeToBuffer(buf, pos);
        pos += 16;
        this.AgentData['SessionID'].writeToBuffer(buf, pos);
        pos += 16;
        const count = this.ObjectData.length;
        buf.writeUInt8(this.ObjectData.length, pos++);
        for (let i = 0; i < count; i++)
        {
            buf.writeUInt32LE(this.ObjectData[i]['ObjectLocalID'], pos);
            pos += 4;
            buf.writeUInt8(this.ObjectData[i]['MediaURL'].length, pos++);
            this.ObjectData[i]['MediaURL'].copy(buf, pos);
            pos += this.ObjectData[i]['MediaURL'].length;
            buf.writeUInt16LE(this.ObjectData[i]['TextureEntry'].length, pos);
            pos += 2;
            this.ObjectData[i]['TextureEntry'].copy(buf, pos);
            pos += this.ObjectData[i]['TextureEntry'].length;
        }
        return pos - startPos;
    }

    // @ts-ignore
    readFromBuffer(buf: Buffer, pos: number): number
    {
        const startPos = pos;
        let varLength = 0;
        const newObjAgentData: {
            AgentID: UUID,
            SessionID: UUID
        } = {
            AgentID: UUID.zero(),
            SessionID: UUID.zero()
        };
        newObjAgentData['AgentID'] = new UUID(buf, pos);
        pos += 16;
        newObjAgentData['SessionID'] = new UUID(buf, pos);
        pos += 16;
        this.AgentData = newObjAgentData;
        if (pos >= buf.length)
        {
            return pos - startPos;
        }
        const count = buf.readUInt8(pos++);
        this.ObjectData = [];
        for (let i = 0; i < count; i++)
        {
            const newObjObjectData: {
                ObjectLocalID: number,
                MediaURL: Buffer,
                TextureEntry: Buffer
            } = {
                ObjectLocalID: 0,
                MediaURL: Buffer.allocUnsafe(0),
                TextureEntry: Buffer.allocUnsafe(0)
            };
            newObjObjectData['ObjectLocalID'] = buf.readUInt32LE(pos);
            pos += 4;
            varLength = buf.readUInt8(pos++);
            newObjObjectData['MediaURL'] = buf.slice(pos, pos + varLength);
            pos += varLength;
            varLength = buf.readUInt16LE(pos);
            pos += 2;
            newObjObjectData['TextureEntry'] = buf.slice(pos, pos + varLength);
            pos += varLength;
            this.ObjectData.push(newObjObjectData);
        }
        return pos - startPos;
    }
}