/*
Copyright (c) 2023-forever Douglas Malnati. All rights reserved.

See the /faq/tos page for details.
    
(If this generated header is stamped on a file which is a 3rd party file or under a different license or copyright, then ignore this copyright statement and use that file's terms.)
*/

import { CandidateFilterBase } from './CandidateFilterBase.js';
import { NonRejectedOnlyFilter } from './WsprMessageCandidate.js';


///////////////////////////////////////////////////////////////////////////
// Candidate Filter - Bad Telemetry
//
// Reject any msg which is detected as invalid
///////////////////////////////////////////////////////////////////////////

export class CandidateFilterByBadTelemetry
extends CandidateFilterBase
{
    constructor(t)
    {
        super("ByBadTelemetry", t);
    }

    OnFilterStart()
    {
        this.t.Event(`CandidateFilterByBadTelemetry Start`);
    }

    OnFilterEnd()
    {
        this.t.Event(`CandidateFilterByBadTelemetry End`);
    }

    FilterWindowAlgorithm(msgListList)
    {
        // eliminate any extended telemetry marked as the wrong slot
        for (let slot = 0; slot < 5; ++slot)
        {
            for (let msg of NonRejectedOnlyFilter(msgListList[slot]))
            {
                if (msg.IsTelemetryExtended())
                {
                    let codec = msg.GetCodec();


                    // actually check if decode was bad




                    
                    let hdrTypeSupportedList = [
                         0,  // user-defined
                         1,  // heartbeat
                         2,  // ExpandedBasicTelemetry
                         3,  // highResLocation
                        15,  // vendor-defined
                    ];


                    


                    let hdrRESERVED = codec.GetHdrRESERVEDEnum();
                    let hdrSlot     = codec.GetHdrSlotEnum();
                    let hdrType     = codec.GetHdrTypeEnum();

                    if (hdrRESERVED != 0)
                    {
                        msg.Reject(this.type, `Bad Telemetry - HdrRESERVED is non-zero (${hdrRESERVED})`);
                    }
                    else if (hdrSlot != slot)
                    {
                        msg.Reject(this.type, `Bad Telemetry - HdrSlot (${hdrSlot}) set incorrectly, found in slot ${slot}`);
                    }
                    else if (hdrTypeSupportedList.indexOf(hdrType) == -1)
                    {
                        msg.Reject(this.type, `Bad Telemetry - HdrType (${hdrType}) set to unsupported value`);
                    }
                }
            }
        }
    }
}