/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  it.unimi.dsi.fastutil.longs.LongArrayList
 *  it.unimi.dsi.fastutil.longs.LongList
 */
package net.minecraft.client.telemetry.events;

import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.unimi.dsi.fastutil.longs.LongList;
import net.minecraft.client.Minecraft;
import net.minecraft.client.telemetry.TelemetryEventSender;
import net.minecraft.client.telemetry.TelemetryEventType;
import net.minecraft.client.telemetry.TelemetryProperty;
import net.minecraft.client.telemetry.events.AggregatedTelemetryEvent;

public final class PerformanceMetricsEvent
extends AggregatedTelemetryEvent {
    private static final long DEDICATED_MEMORY_KB = PerformanceMetricsEvent.toKilobytes(Runtime.getRuntime().maxMemory());
    private final LongList fpsSamples = new LongArrayList();
    private final LongList frameTimeSamples = new LongArrayList();
    private final LongList usedMemorySamples = new LongArrayList();

    @Override
    public void tick(TelemetryEventSender eventSender) {
        if (Minecraft.getInstance().telemetryOptInExtra()) {
            super.tick(eventSender);
        }
    }

    private void resetValues() {
        this.fpsSamples.clear();
        this.frameTimeSamples.clear();
        this.usedMemorySamples.clear();
    }

    @Override
    public void takeSample() {
        this.fpsSamples.add((long)Minecraft.getInstance().getFps());
        this.takeUsedMemorySample();
        this.frameTimeSamples.add(Minecraft.getInstance().getFrameTimeNs());
    }

    private void takeUsedMemorySample() {
        long totalMemory = Runtime.getRuntime().totalMemory();
        long freeMemory = Runtime.getRuntime().freeMemory();
        long usedMemorySample = totalMemory - freeMemory;
        this.usedMemorySamples.add(PerformanceMetricsEvent.toKilobytes(usedMemorySample));
    }

    @Override
    public void sendEvent(TelemetryEventSender eventSender) {
        eventSender.send(TelemetryEventType.PERFORMANCE_METRICS, properties -> {
            properties.put(TelemetryProperty.FRAME_RATE_SAMPLES, new LongArrayList(this.fpsSamples));
            properties.put(TelemetryProperty.RENDER_TIME_SAMPLES, new LongArrayList(this.frameTimeSamples));
            properties.put(TelemetryProperty.USED_MEMORY_SAMPLES, new LongArrayList(this.usedMemorySamples));
            properties.put(TelemetryProperty.NUMBER_OF_SAMPLES, this.getSampleCount());
            properties.put(TelemetryProperty.RENDER_DISTANCE, Minecraft.getInstance().options.getEffectiveRenderDistance());
            properties.put(TelemetryProperty.DEDICATED_MEMORY_KB, (int)DEDICATED_MEMORY_KB);
        });
        this.resetValues();
    }

    private static long toKilobytes(long bytes) {
        return bytes / 1000L;
    }
}