// Configurable Settings
const OUTRO_SKIP_THRESHOLD = 110; // Time in seconds remaining to skip at the outro
const SKIP_FORWARD_TIME = 90; // Time in seconds to skip forward when 'V' is pressed
const VIDEO_PLAYER = "brittneystandardwestern.com";

// ==UserScript==
// @name         Aniworld.to Autoplay
// @namespace    http://tampermonkey.net/
// @version      4.20
// @description  Autoplay for aniworld
// @match        *://aniworld.to/*
// @match        *://brittneystandardwestern.com/*
// @grant        none
// @license MIT
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';

    // Load skip state from localStorage, default to true if not set
    let skipToNextEpisodeEnabled = JSON.parse(localStorage.getItem('skipToNextEpisodeEnabled')) ?? true;

    function toggleSkipToNextEpisode() {
        skipToNextEpisodeEnabled = !skipToNextEpisodeEnabled;
        localStorage.setItem('skipToNextEpisodeEnabled', JSON.stringify(skipToNextEpisodeEnabled));

        const toggleButton = document.querySelector('.skip-toggle-button .Autoplay-button');
        const tooltip = document.querySelector('.skip-toggle-button .plyr__tooltip');
        if (toggleButton && tooltip) {
            updateToggleSwitch(toggleButton, tooltip);
        }
    }

    // add skip button
    function addSkipToggleButton() {
        const controls = document.querySelector('.plyr__controls');
        if (controls) {
            const button = document.createElement('button');
            button.classList.add('plyr__controls__item', 'plyr__control', 'skip-toggle-button', 'Autoplay-button');
            button.type = 'button';
            button.setAttribute('aria-label', skipToNextEpisodeEnabled ? 'Disable skip to next episode' : 'Enable skip to next episode');

            const toggleContainer = document.createElement('div');
            toggleContainer.classList.add('Autoplay-button-container');

            const toggleSwitch = document.createElement('div');
            toggleSwitch.classList.add('Autoplay-button');
            toggleSwitch.setAttribute('aria-checked', skipToNextEpisodeEnabled.toString());

            const tooltip = document.createElement('span');
            tooltip.classList.add('plyr__tooltip');
            tooltip.textContent = skipToNextEpisodeEnabled ? 'Autoplay is enabled' : 'Autoplay is disabled';

            toggleContainer.appendChild(toggleSwitch);
            button.appendChild(toggleContainer);
            button.appendChild(tooltip);

            button.addEventListener('click', toggleSkipToNextEpisode);
            controls.insertBefore(button, controls.lastChild);

            updateToggleSwitch(toggleSwitch, tooltip);
        }
    }

    function updateToggleSwitch(toggleSwitch, tooltip) {
        if (skipToNextEpisodeEnabled) {
            toggleSwitch.style.backgroundColor = '#ffffff';
            toggleSwitch.style.transform = 'translateX(12px)';
            tooltip.textContent = 'Autoplay On';
        } else {
            toggleSwitch.style.backgroundColor = '#bbb';
            toggleSwitch.style.transform = 'translateX(0px)';
            tooltip.textContent = 'Autoplay Off';
        }
    }


    // Press the play button
    function playVideo() {
        if (!skipToNextEpisodeEnabled) return;
        const playButton = document.querySelector('button.plyr__controls__item.plyr__control[data-plyr="play"]');
        if (playButton) {
            playButton.click();
            console.log("Play button clicked.");
        } else {
            console.log("Play button not found.");
        }
    }

    function skipForward() {
        const video = document.querySelector('video');
        if (video) {
            video.currentTime = Math.min(video.currentTime + SKIP_FORWARD_TIME, video.duration);
        } else {
            console.error("Video element not found for skipping");
        }
    }


    function checkAndPostMessage() {
        if (skipToNextEpisodeEnabled) {
            const video = document.querySelector('video');
            if (video) {
                if (video.duration - video.currentTime <= OUTRO_SKIP_THRESHOLD) {
                    window.parent.postMessage({ action: 'skipToNextEpisode' }, '*');
                }
            }
        }
    }

    function getNextEpisodeUrl() {
        const currentEpisodeUrl = window.location.href;
        const episodeMatch = currentEpisodeUrl.match(/\/episode-(\d+)/);
        if (episodeMatch && episodeMatch[1]) {
            const currentEpisodeNumber = parseInt(episodeMatch[1], 10);

            const episodeLinks = Array.from(document.querySelectorAll('ul li a[data-episode-id]'));
            const totalEpisodes = episodeLinks.length;

            if (currentEpisodeNumber < totalEpisodes) {
                const nextEpisodeNumber = currentEpisodeNumber + 1;
                return currentEpisodeUrl.replace(/\/episode-\d+/, `/episode-${nextEpisodeNumber}`);
            } else {
                const currentSeasonMatch = currentEpisodeUrl.match(/\/staffel-(\d+)\//);
                if (currentSeasonMatch && currentSeasonMatch[1]) {
                    const currentSeason = parseInt(currentSeasonMatch[1], 10);
                    const nextSeason = currentSeason + 1;
                    return currentEpisodeUrl.replace(/\/staffel-\d+\/episode-\d+/, `/staffel-${nextSeason}/episode-1`);
                }
            }
        }
        return null;
    }




// Function to send play message
function sendPlayMessage() {
    if (!skipToNextEpisodeEnabled) return;
    const iframe = document.querySelector(`iframe[src*="${VIDEO_PLAYER}"]`);
    if (iframe) {
        iframe.contentWindow.postMessage({ action: 'play' }, '*');
    }
}

// Behavior for Video Player
if (window.location.hostname === VIDEO_PLAYER) {
    setInterval(checkAndPostMessage, 5000);

    window.addEventListener("message", function (event) {
        if (event.data.action === "play") {
            playVideo();
        }
    });

    window.addEventListener('load', function () {
        if (skipToNextEpisodeEnabled) {
            playVideo();
        }
    });

    window.addEventListener('keydown', function (event) {
        if ((event.key === 'V' || event.key === 'v') && !event.target.closest('input, textarea')) {
            skipForward();
        }
    });
}

// Behavior for aniworld.to
if (window.location.hostname === "aniworld.to") {
    window.addEventListener('message', function (event) {
        if (event.origin.includes(VIDEO_PLAYER) && event.data.action === 'skipToNextEpisode') {
            const nextEpisodeUrl = getNextEpisodeUrl();
            if (nextEpisodeUrl) {
                window.location.href = nextEpisodeUrl;
                if (skipToNextEpisodeEnabled) {
                    setTimeout(sendPlayMessage, 2000);
                }
            } else {
                console.error("Next episode URL could not be determined.");
            }
        }
    });

    window.addEventListener('load', function () {
        if (skipToNextEpisodeEnabled) {
            sendPlayMessage();
        }
    });
}


// Autoplay button Style
const style = document.createElement('style');
style.textContent = `
    .Autoplay-button-container {
        width: 24px;
        height: 12px;
        background-color: rgba(221, 221, 221, 0.5);
        border-radius: 6px;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        right: -4px;
        cursor: pointer;
        display: inline-block;
        z-index: 10;
    }

    .Autoplay-button {
        width: 12px;
        height: 12px;
        background-color: #bbb;
        border-radius: 50%;
        position: absolute;
        top: 0;
        left: 0;
        transition: all 0.2s ease;
    }

    .Autoplay-button[aria-checked="true"] {
        background-color: #ffffff;
        transform: translateX(12px);
    }

    .plyr__tooltip {
        position: absolute;
        bottom: 35px;
        left: 50%;
        transform: translateX(-50%);
        padding: 4px 8px;
        background: rgba(0, 0, 0, 0.75);
        color: #fff;
        border-radius: 4px;
        font-size: 12px;
        white-space: nowrap;
        opacity: 0;
        transition: opacity 0.2s ease;
        pointer-events: none;
    }

    .skip-toggle-button:hover .plyr__tooltip {
        opacity: 1;
    }
`;
document.head.appendChild(style);


    window.addEventListener('load', function () {
        addSkipToggleButton();
    });
})();