/*
 * This file is part of OneConfig.
 * OneConfig - Next Generation Config Library for Minecraft: Java Edition
 * Copyright (C) 2021, 2022 Polyfrost.
 *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
 * General Public License as published by the Free Software Foundation, AND
 * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
 * either version 1.0 of the Additional Terms, or (at your option) any later
 * version.
 *
 *   This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 * License.  If not, see <https://www.gnu.org/licenses/>. You should
 * have also received a copy of the Additional Terms Applicable
 * to OneConfig, as published by Polyfrost. If not, see
 * <https://polyfrost.cc/legal/oneconfig/additional-terms>
 */

package cc.polyfrost.oneconfig.utils;

import cc.polyfrost.oneconfig.events.event.HudRenderEvent;
import cc.polyfrost.oneconfig.events.event.RenderEvent;
import cc.polyfrost.oneconfig.events.event.Stage;
import cc.polyfrost.oneconfig.gui.OneConfigGui;
import cc.polyfrost.oneconfig.gui.animations.Animation;
import cc.polyfrost.oneconfig.gui.animations.DummyAnimation;
import cc.polyfrost.oneconfig.gui.animations.EaseInOutQuad;
import cc.polyfrost.oneconfig.internal.utils.Notification;
import cc.polyfrost.oneconfig.libs.eventbus.Subscribe;
import cc.polyfrost.oneconfig.libs.universal.UResolution;
import cc.polyfrost.oneconfig.renderer.Icon;
import cc.polyfrost.oneconfig.renderer.RenderManager;
import cc.polyfrost.oneconfig.utils.gui.GuiUtils;
import org.jetbrains.annotations.Nullable;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.Callable;

public final class Notifications {
    public static final Notifications INSTANCE = new Notifications();
    // animation stores the bottom y of the notification
    private final LinkedHashMap<Notification, Animation> notifications = new LinkedHashMap<>();
    private final float DEFAULT_DURATION = 4000;

    private Notifications() {
    }

    /**
     * Send a notification to the user
     *
     * @param title       The title of the notification
     * @param message     The message of the notification
     * @param icon        The icon of the notification, null for none
     * @param duration    The duration the notification is on screen in ms
     * @param progressbar A callable that returns the progress from 0-1
     * @param action      The action executed when the notification is pressed
     */
    public void send(String title, String message, @Nullable Icon icon, float duration, @Nullable Callable<Float> progressbar, @Nullable Runnable action) {
        Notification notification = new Notification(title, message, icon, duration, progressbar, action);
        notifications.put(notification, new DummyAnimation(-1));
    }

    /**
     * Send a notification to the user
     *
     * @param title       The title of the notification
     * @param message     The message of the notification
     * @param duration    The duration the notification is on screen in ms
     * @param progressbar A callable that returns the progress from 0-1
     * @param action      The action executed when the notification is pressed
     */
    public void send(String title, String message, float duration, @Nullable Callable<Float> progressbar, @Nullable Runnable action) {
        send(title, message, null, duration, progressbar, action);
    }

    /**
     * Send a notification to the user
     *
     * @param title       The title of the notification
     * @param message     The message of the notification
     * @param icon        The icon of the notification, null for none
     * @param duration    The duration the notification is on screen in ms
     * @param progressbar A callable that returns the progress from 0-1
     */
    public void send(String title, String message, @Nullable Icon icon, float duration, @Nullable Callable<Float> progressbar) {
        send(title, message, icon, duration, progressbar, null);
    }

    /**
     * Send a notification to the user
     *
     * @param title    The title of the notification
     * @param message  The message of the notification
     * @param icon     The icon of the notification, null for none
     * @param duration The duration the notification is on screen in ms
     * @param action   The action executed when the notification is pressed
     */
    public void send(String title, String message, @Nullable Icon icon, float duration, @Nullable Runnable action) {
        send(title, message, icon, duration, null, action);
    }

    /**
     * Send a notification to the user
     *
     * @param title       The title of the notification
     * @param message     The message of the notification
     * @param duration    The duration the notification is on screen in ms
     * @param progressbar A callable that returns the progress from 0-1
     */
    public void send(String title, String message, float duration, @Nullable Callable<Float> progressbar) {
        send(title, message, duration, progressbar, null);
    }

    /**
     * Send a notification to the user
     *
     * @param title    The title of the notification
     * @param message  The message of the notification
     * @param duration The duration the notification is on screen in ms
     * @param action   The action executed when the notification is pressed
     */
    public void send(String title, String message, float duration, @Nullable Runnable action) {
        send(title, message, duration, null, action);
    }

    /**
     * Send a notification to the user
     *
     * @param title       The title of the notification
     * @param message     The message of the notification
     * @param icon        The icon of the notification, null for none
     * @param progressbar A callable that returns the progress from 0-1
     */
    public void send(String title, String message, @Nullable Icon icon, @Nullable Callable<Float> progressbar) {
        send(title, message, icon, DEFAULT_DURATION, progressbar);
    }

    /**
     * Send a notification to the user
     *
     * @param title   The title of the notification
     * @param message The message of the notification
     * @param icon    The icon of the notification, null for none
     * @param action  The action executed when the notification is pressed
     */
    public void send(String title, String message, @Nullable Icon icon, @Nullable Runnable action) {
        send(title, message, icon, DEFAULT_DURATION, action);
    }

    /**
     * Send a notification to the user
     *
     * @param title       The title of the notification
     * @param message     The message of the notification
     * @param progressbar A callable that returns the progress from 0-1
     */
    public void send(String title, String message, @Nullable Callable<Float> progressbar) {
        send(title, message, DEFAULT_DURATION, progressbar);
    }

    /**
     * Send a notification to the user
     *
     * @param title    The title of the notification
     * @param message  The message of the notification
     * @param icon     The icon of the notification, null for none
     * @param duration The duration the notification is on screen in ms
     */
    public void send(String title, String message, @Nullable Icon icon, float duration) {
        send(title, message, icon, duration, (Callable<Float>) null);
    }

    /**
     * Send a notification to the user
     *
     * @param title   The title of the notification
     * @param message The message of the notification
     * @param action  The action executed when the notification is pressed
     */
    public void send(String title, String message, @Nullable Runnable action) {
        send(title, message, DEFAULT_DURATION, action);
    }

    /**
     * Send a notification to the user
     *
     * @param title    The title of the notification
     * @param message  The message of the notification
     * @param duration The duration the notification is on screen in ms
     */
    public void send(String title, String message, float duration) {
        send(title, message, duration, (Callable<Float>) null);
    }

    /**
     * Send a notification to the user
     *
     * @param title   The title of the notification
     * @param message The message of the notification
     * @param icon    The icon of the notification, null for none
     */
    public void send(String title, String message, @Nullable Icon icon) {
        send(title, message, icon, (Callable<Float>) null);
    }

    /**
     * Send a notification to the user
     *
     * @param title   The title of the notification
     * @param message The message of the notification
     */
    public void send(String title, String message) {
        send(title, message, (Callable<Float>) null);
    }

    private float deltaTime = 0;

    @Subscribe
    private void onHudRender(HudRenderEvent event) {
        if (notifications.size() == 0) return;
        RenderManager.setupAndDraw((vg) -> {
            float desiredPosition = -16f;
            float scale = OneConfigGui.getScaleFactor();
            for (Map.Entry<Notification, Animation> entry : notifications.entrySet()) {
                if (entry.getValue().getEnd() == -1f)
                    entry.setValue(new DummyAnimation(desiredPosition));
                else if (desiredPosition != entry.getValue().getEnd())
                    entry.setValue(new EaseInOutQuad(250, entry.getValue().get(0), desiredPosition, false));
                float height = entry.getKey().draw(vg, UResolution.getWindowHeight() / scale + entry.getValue().get(deltaTime), scale, deltaTime);
                desiredPosition -= height + 16f;
            }
            notifications.entrySet().removeIf(entry -> entry.getKey().isFinished());
        });
        deltaTime = 0;
    }

    @Subscribe
    private void onRenderEvent(RenderEvent event) {
        if (event.stage == Stage.START) {
            deltaTime += GuiUtils.getDeltaTime(); // add up deltatime since we might not render every frame because of hud caching
        }
    }
}