/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.launcher3.model.data;

import static com.android.launcher3.icons.BitmapInfo.FLAG_THEMED;

import android.content.Context;
import android.content.Intent;
import android.os.Process;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.android.launcher3.Flags;
import com.android.launcher3.Utilities;
import com.android.launcher3.graphics.ThemeManager;
import com.android.launcher3.icons.BitmapInfo;
import com.android.launcher3.icons.BitmapInfo.DrawableCreationFlags;
import com.android.launcher3.icons.FastBitmapDrawable;
import com.android.launcher3.icons.cache.CacheLookupFlag;
import com.android.launcher3.logging.FileLog;
import com.android.launcher3.pm.PackageInstallInfo;
import com.android.launcher3.util.ApiWrapper;

/**
 * Represents an ItemInfo which also holds an icon.
 */
public abstract class ItemInfoWithIcon extends ItemInfo {

    public static final String TAG = "ItemInfoDebug";

    /**
     * The bitmap for the application icon
     */
    @NonNull
    public BitmapInfo bitmap = BitmapInfo.LOW_RES_INFO;

    /**
     * Indicates that the icon is disabled due to safe mode restrictions.
     */
    public static final int FLAG_DISABLED_SAFEMODE = 1 << 0;

    /**
     * Indicates that the icon is disabled as the app is not available.
     */
    public static final int FLAG_DISABLED_NOT_AVAILABLE = 1 << 1;

    /**
     * Indicates that the icon is disabled as the app is suspended
     */
    public static final int FLAG_DISABLED_SUSPENDED = 1 << 2;

    /**
     * Indicates that the icon is disabled as the user is in quiet mode.
     */
    public static final int FLAG_DISABLED_QUIET_USER = 1 << 3;

    /**
     * Indicates that the icon is disabled as the publisher has disabled the actual shortcut.
     */
    public static final int FLAG_DISABLED_BY_PUBLISHER = 1 << 4;

    /**
     * Indicates that the icon is disabled as the user partition is currently locked.
     */
    public static final int FLAG_DISABLED_LOCKED_USER = 1 << 5;

    /**
     * The item points to a system app.
     */
    public static final int FLAG_SYSTEM_YES = 1 << 6;

    /**
     * The item points to a non system app.
     */
    public static final int FLAG_SYSTEM_NO = 1 << 7;

    public static final int FLAG_SYSTEM_MASK = FLAG_SYSTEM_YES | FLAG_SYSTEM_NO;

    /**
     * The icon is being installed. If {@link WorkspaceItemInfo#FLAG_RESTORED_ICON} or
     * {@link WorkspaceItemInfo#FLAG_AUTOINSTALL_ICON} is set, then the icon is either being
     * installed or is in a broken state.
     */
    public static final int FLAG_INSTALL_SESSION_ACTIVE = 1 << 10;

    /**
     * This icon is still being downloaded.
     */
    public static final int FLAG_INCREMENTAL_DOWNLOAD_ACTIVE = 1 << 11;

    public static final int FLAG_SHOW_DOWNLOAD_PROGRESS_MASK = FLAG_INSTALL_SESSION_ACTIVE
            | FLAG_INCREMENTAL_DOWNLOAD_ACTIVE;

    /**
     * Indicates that the icon is a disabled shortcut and application updates are required.
     */
    public static final int FLAG_DISABLED_VERSION_LOWER = 1 << 12;

    public static final int FLAG_DISABLED_MASK = FLAG_DISABLED_SAFEMODE
            | FLAG_DISABLED_NOT_AVAILABLE | FLAG_DISABLED_SUSPENDED
            | FLAG_DISABLED_QUIET_USER | FLAG_DISABLED_BY_PUBLISHER | FLAG_DISABLED_LOCKED_USER
            | FLAG_DISABLED_VERSION_LOWER;

    /**
     * Flag indicating this item can't be pinned to home screen.
     */
    public static final int FLAG_NOT_PINNABLE = 1 << 13;

    /**
     * Flag indicating whether the package related to the item & user corresponds to that of
     * archived app.
     */
    public static final int FLAG_ARCHIVED = 1 << 14;

    /**
     * Flag indicating whether the package related to the item & user does not support resizing.
     */
    public static final int FLAG_NOT_RESIZEABLE = 1 << 15;

    /**
     * Flag indicating whether the package related to the item & user supports multiple instances.
     */
    public static final int FLAG_SUPPORTS_MULTI_INSTANCE = 1 << 16;

    /**
     * Status associated with the system state of the underlying item. This is calculated every
     * time a new info is created and not persisted on the disk.
     */
    public int runtimeStatusFlags = 0;

    /**
     * The download progress of the package that this shortcut represents. For legacy apps, this
     * will always be the installation progress. For apps that support incremental downloads, this
     * will only match be the installation progress until the app is installed, then this will the
     * total download progress.
     */
    private int mProgressLevel = 100;

    protected ItemInfoWithIcon() {
    }

    protected ItemInfoWithIcon(ItemInfoWithIcon info) {
        super(info);
        bitmap = info.bitmap;
        mProgressLevel = info.mProgressLevel;
        runtimeStatusFlags = info.runtimeStatusFlags;
        user = info.user;
    }

    @Override
    public boolean isDisabled() {
        return (runtimeStatusFlags & FLAG_DISABLED_MASK) != 0;
    }

    /**
     * @return {@code true} if the app is pending download (0 progress) or if the app is archived
     * and its install session is active
     */
    public boolean isPendingDownload() {
        return getProgressLevel() == 0;
    }

    /**
     * Returns true if the app corresponding to the item is archived.
     */
    public boolean isArchived() {
        if (!Flags.enableSupportForArchiving()) {
            return false;
        }
        return (runtimeStatusFlags & FLAG_ARCHIVED) != 0;
    }

    /** Returns true if the app is archived and doesn't have an active install session. */
    public boolean isInactiveArchive() {
        return isArchived() && (runtimeStatusFlags & FLAG_INSTALL_SESSION_ACTIVE) == 0;
    }

    /**
     * Returns the lookup flag to match this current state of this info
     */
    public CacheLookupFlag getMatchingLookupFlag() {
        return bitmap.getMatchingLookupFlag();
    }

    /**
     * Returns whether the app this shortcut represents is able to be started. For legacy apps,
     * this returns whether it is fully installed. For apps that support incremental downloads,
     * this returns whether the app is either fully downloaded or has installed and is downloading
     * incrementally.
     */
    public boolean isAppStartable() {
        return ((runtimeStatusFlags & FLAG_INSTALL_SESSION_ACTIVE) == 0)
                && (((runtimeStatusFlags & FLAG_INCREMENTAL_DOWNLOAD_ACTIVE) != 0)
                || mProgressLevel == 100 || isArchived());
    }

    /**
     * Returns the download progress for the app this shortcut represents. If this app is not yet
     * installed or does not support incremental downloads, this will return the installation
     * progress.
     */
    public int getProgressLevel() {
        if (((runtimeStatusFlags & FLAG_SHOW_DOWNLOAD_PROGRESS_MASK) != 0)
                // This condition for archived apps is so that in case unarchival/update of
                // archived app is cancelled, the state transitions back to 0% installed state.
                || isArchived()) {
            return mProgressLevel;
        }
        return 100;
    }

    /**
     * Sets the download progress for the app this shortcut represents. If this app is not yet
     * installed or does not support incremental downloads, this will set
     * {@code FLAG_INSTALL_SESSION_ACTIVE}. If this app is downloading incrementally, this will
     * set {@code FLAG_INCREMENTAL_DOWNLOAD_ACTIVE}. Otherwise, this will remove both flags.
     */
    public void setProgressLevel(PackageInstallInfo installInfo) {
        setProgressLevel(installInfo.progress, installInfo.state);

        if (installInfo.state == PackageInstallInfo.STATUS_FAILED) {
            FileLog.d(TAG,
                    "Icon info: " + this + " marked broken with install info: " + installInfo,
                    new Exception());
        }
    }

    /**
     * Sets the download progress for the app this shortcut represents.
     */
    public void setProgressLevel(int progress, int status) {
        if (status == PackageInstallInfo.STATUS_INSTALLING) {
            mProgressLevel = progress;
            runtimeStatusFlags = progress < 100
                    ? runtimeStatusFlags | FLAG_INSTALL_SESSION_ACTIVE
                    : runtimeStatusFlags & ~FLAG_INSTALL_SESSION_ACTIVE;
        } else if (status == PackageInstallInfo.STATUS_INSTALLED_DOWNLOADING) {
            mProgressLevel = progress;
            runtimeStatusFlags = runtimeStatusFlags & ~FLAG_INSTALL_SESSION_ACTIVE;
            runtimeStatusFlags = progress < 100
                    ? runtimeStatusFlags | FLAG_INCREMENTAL_DOWNLOAD_ACTIVE
                    : runtimeStatusFlags & ~FLAG_INCREMENTAL_DOWNLOAD_ACTIVE;
        } else {
            mProgressLevel = status == PackageInstallInfo.STATUS_INSTALLED ? 100 : 0;
            runtimeStatusFlags &= ~FLAG_INSTALL_SESSION_ACTIVE;
            runtimeStatusFlags &= ~FLAG_INCREMENTAL_DOWNLOAD_ACTIVE;
        }
    }

    /**
     * Sets whether this app info supports multi-instance.
     */
    protected void setSupportsMultiInstance(boolean supportsMultiInstance) {
        if (supportsMultiInstance) {
            runtimeStatusFlags |= FLAG_SUPPORTS_MULTI_INSTANCE;
        } else {
            runtimeStatusFlags &= ~FLAG_SUPPORTS_MULTI_INSTANCE;
        }
    }

    /**
     * Returns whether this app info supports multi-instance.
     */
    public boolean supportsMultiInstance() {
        return (runtimeStatusFlags & FLAG_SUPPORTS_MULTI_INSTANCE) != 0;
    }

    /**
     * Sets whether this app info is non-resizeable.
     */
    public void setNonResizeable(boolean nonResizeable) {
        if (nonResizeable) {
            runtimeStatusFlags |= FLAG_NOT_RESIZEABLE;
        } else {
            runtimeStatusFlags &= ~FLAG_NOT_RESIZEABLE;
        }
    }

    /**
     * Returns whether this app info is resizeable.
     */
    public boolean isNonResizeable() {
        return (runtimeStatusFlags & FLAG_NOT_RESIZEABLE) != 0;
    }

    /** Creates an intent to that launches the app store at this app's page. */
    @Nullable
    public Intent getMarketIntent(Context context) {
        String targetPackage = getTargetPackage();

        return targetPackage != null
                ? ApiWrapper.INSTANCE.get(context).getAppMarketActivityIntent(
                        targetPackage, Process.myUserHandle())
                : null;
    }

    /**
     * @return a copy of this
     */
    public abstract ItemInfoWithIcon clone();


    /**
     * Returns a FastBitmapDrawable with the icon.
     */
    public FastBitmapDrawable newIcon(Context context) {
        return newIcon(context, 0);
    }

    /**
     * Returns a FastBitmapDrawable with the icon and context theme applied
     */
    public FastBitmapDrawable newIcon(Context context, @DrawableCreationFlags int creationFlags) {
        ThemeManager themeManager = ThemeManager.INSTANCE.get(context);
        if (!themeManager.isIconThemeEnabled()) {
            creationFlags &= ~FLAG_THEMED;
        }
        FastBitmapDrawable drawable = bitmap.newIcon(
                context, creationFlags, Utilities.getIconShapeOrNull(context));
        drawable.setIsDisabled(isDisabled());
        return drawable;
    }

    @Override
    protected String dumpProperties() {
        return super.dumpProperties()
                + " supportsMultiInstance=" + supportsMultiInstance()
                + " nonResizeable=" + isNonResizeable();
    }
}