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/*
 * Copyright 2020-2022 The OSHI Project Contributors
 * SPDX-License-Identifier: MIT
 */
package oshi.hardware.platform.windows;

import java.util.ArrayList;
import java.util.List;

import com.sun.jna.platform.win32.VersionHelpers;
import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiResult;

import oshi.annotation.concurrent.Immutable;
import oshi.driver.windows.wmi.Win32VideoController;
import oshi.driver.windows.wmi.Win32VideoController.VideoControllerProperty;
import oshi.hardware.GraphicsCard;
import oshi.hardware.common.AbstractGraphicsCard;
import oshi.util.Constants;
import oshi.util.ParseUtil;
import oshi.util.Util;
import oshi.util.platform.windows.WmiUtil;
import oshi.util.tuples.Triplet;

/**
 * Graphics Card obtained from WMI
 */
@Immutable
final class WindowsGraphicsCard extends AbstractGraphicsCard {

    private static final boolean IS_VISTA_OR_GREATER = VersionHelpers.IsWindowsVistaOrGreater();

    /**
     * Constructor for WindowsGraphicsCard
     *
     * @param name        The name
     * @param deviceId    The device ID
     * @param vendor      The vendor
     * @param versionInfo The version info
     * @param vram        The VRAM
     */
    WindowsGraphicsCard(String name, String deviceId, String vendor, String versionInfo, long vram) {
        super(name, deviceId, vendor, versionInfo, vram);
    }

    /**
     * public method used by {@link oshi.hardware.common.AbstractHardwareAbstractionLayer} to access the graphics cards.
     *
     * @return List of {@link oshi.hardware.platform.windows.WindowsGraphicsCard} objects.
     */
    public static List getGraphicsCards() {
        List cardList = new ArrayList<>();
        if (IS_VISTA_OR_GREATER) {
            WmiResult cards = Win32VideoController.queryVideoController();
            for (int index = 0; index < cards.getResultCount(); index++) {
                String name = WmiUtil.getString(cards, VideoControllerProperty.NAME, index);
                Triplet idPair = ParseUtil.parseDeviceIdToVendorProductSerial(
                        WmiUtil.getString(cards, VideoControllerProperty.PNPDEVICEID, index));
                String deviceId = idPair == null ? Constants.UNKNOWN : idPair.getB();
                String vendor = WmiUtil.getString(cards, VideoControllerProperty.ADAPTERCOMPATIBILITY, index);
                if (idPair != null) {
                    if (Util.isBlank(vendor)) {
                        deviceId = idPair.getA();
                    } else {
                        vendor = vendor + " (" + idPair.getA() + ")";
                    }
                }
                String versionInfo = WmiUtil.getString(cards, VideoControllerProperty.DRIVERVERSION, index);
                if (!Util.isBlank(versionInfo)) {
                    versionInfo = "DriverVersion=" + versionInfo;
                } else {
                    versionInfo = Constants.UNKNOWN;
                }
                long vram = WmiUtil.getUint32asLong(cards, VideoControllerProperty.ADAPTERRAM, index);
                cardList.add(new WindowsGraphicsCard(Util.isBlank(name) ? Constants.UNKNOWN : name, deviceId,
                        Util.isBlank(vendor) ? Constants.UNKNOWN : vendor, versionInfo, vram));
            }
        }
        return cardList;
    }
}