// ==UserScript==
// @name         4PDA Logo
// @namespace    http://4pda.to/forum/index.php
// @version      4.3
// @description  Замена логотипа в посте
// @author       BrantX
// @match        http*://4pda.to/forum/*
// @grant        none
// @run-at       document-end
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';

    console.log('Logo Replacer v4.3 LOADED');

    // База логотипов
    const LOGOS = [
        { url: 'https://4pda.to/s/HL5V5qDA1xLMwNxwm561PwRaFF6TOoR9wwZ.png', description: 'AICP' },
         { url: 'https://4pda.to/s/HL5V1GHLxxp1z1TgHPZRKOvz0Rlz2z1H61bgCj7.png', description: 'AICP_2' },
        { url: 'https://4pda.to/s/HL5V6p1Ko5MmbdZ6sAUz0z25RaFFcDmsHOneE.png', description: 'AlphaDroid_2' },
        { url: 'https://4pda.to/s/HL5V7m7RgvmFbd3skM8Q33KypfPDmsnefKe.png', description: 'AlphaDroid' },
        { url: 'https://4pda.to/s/HL5VEdX4wHqbaab9ksu2VLJGz0IJyBy0ppDt.png', description: 'Ancient' },
        { url: 'https://4pda.to/s/HL5VFadBYjIQaa5vsgkbZJS81qiyByW3hnH.png', description: 'Android Beta' },
        { url: 'https://4pda.to/s/HL5V0xNpkJnip0z2Gn6Wz1PwxKtZ86YRSbq19.png', description: 'Android' },
        { url: 'https://4pda.to/s/HL5V1uHyslNJp0VWfQsPbyqCB5t6YRyLiz0l.png', description: 'ApolloOS' },
        { url: 'https://4pda.to/s/HL5V2z2TY5HKrim7SlLkb33qCB5NMAVs4dl2.png', description: 'AwakenOS' },
        { url: 'https://4pda.to/s/HL5V3yRjTjoAimdit9u2z25xKtZeMAVMqz2Ja.png', description: 'AxionOS' },
        { url: 'https://4pda.to/s/HL5V4p3HxIogyO3sEcmsj8cX6O2N9PvSRfj.png', description: 'BaikalOS' },
        { url: 'https://4pda.to/s/HL5V5m5UZkKLyOZ6MwcHHEfvwz1z0N9PPi3LB.png', description: 'BananaDroid' },
        { url: 'https://4pda.to/s/HL5V6t90GGNpZexwGrz1jtnfvwz1T7XTJz087c.png', description: 'Bliss ROM' },
        { url: 'https://4pda.to/s/HL5V7qFF8inCZeRA8feABtcX6OY7XTpDGx0.png', description: 'Bootleggers' },
        { url: 'https://4pda.to/s/HL5VEhvuSkq5qinhxtRKu95tXa4uXz0Z54PL.png', description: 'CalyxOS_1' },
        { url: 'https://4pda.to/s/HL5VFez2t4IIwqiHRZhDp4FAlT2xuXz03rSbp.png', description: 'CalyxOS_2' },
        { url: 'https://4pda.to/s/HL5V0tFF8inCZ8hoa73ez1cjphLV28Qz2J3Lh.png', description: 'Cherish OS' },
        { url: 'https://4pda.to/s/HL5V1q90GGNpZ8B2yRLF2WYhNpW28QVZRfD.png', description: 'CipherOS' },
        { url: 'https://4pda.to/s/HL5V2p5UZkKLyuJz1wKDpaVYhNp0IWULoGxW.png', description: 'ColtOS' },
        { url: 'https://4pda.to/s/HL5V3m3HxIogyupEY8RKOPjphLz2IWUr2876.png', description: 'crDroid' },
        { url: 'https://4pda.to/s/HL5V4z2RjTjoAiGNKRdJWAKm6QkLJZOQgiz0F.png', description: 'DerpFest' },
        { url: 'https://4pda.to/s/HL5V5yTY5HKriGta3x57sIz2Uc8gJZOwQq1f.png', description: 'DivestOS' },
        { url: 'https://4pda.to/s/HL5V6xHyslNJpWlO5qTxGjz2Uc8A3BSmBz2J4.png', description: 'Evolution X' },
        { url: 'https://4pda.to/s/HL5V7uNpkJnipWFeTeBSihm6Qkr3BSGxdlY.png', description: 'GrapheneOS' },
        { url: 'https://4pda.to/s/HL5VElniz1xr6oZfNT8x4mz0tgKLz2omMXWz0sz0.png', description: 'HentaiOS' },
        { url: 'https://4pda.to/s/HL5VFitZc7JvoZ9d5KjZCxuoep0omM1GbAR.png', description: 'HorizonDroid' },
        { url: 'https://4pda.to/s/HL5V0p7RgvmFb7pE2uZusIVkUaa8Pnz0sww3.png', description: 'Infinity' },
        { url: 'https://4pda.to/s/HL5V1m1Ko5Mmb7Jz1QarVAKGsY2R8PnT6Y6b.png', description: 'iode' },
        { url: 'https://4pda.to/s/HL5V2tDA1xLMwtB2ShjZihGsY2xOnrNNfK8.png', description: 'Kirisakura' },
        { url: 'https://4pda.to/s/HL5V3qB5P7pfwtho4tx4GjVkUa4Onrtdnek.png', description: 'LineageOS' },
        { url: 'https://4pda.to/s/HL5V4xJvz2up9gVFez0Opm2W2RlVkPopOFLId.png', description: 'LMODroid' },
        { url: 'https://4pda.to/s/HL5V5uLsd4LsgVlOb4bNz1cD3JvHPopuz2Dk1.png', description: 'Martixx' },
        { url: 'https://4pda.to/s/HL5V6z2PeKwMGrltaZBz0hOPD3Jvn9Qtok6yi.png', description: 'MistOS' },
        { url: 'https://4pda.to/s/HL5V7yVdC6mlrlNKxNhCaV2RlVE9QtIUU0A.png', description: 'Paranoid' },
        { url: 'https://4pda.to/s/HL5VEBfuSkq5qinhxtRKu95tXa4uXz0Z54PL.png', description: 'PhoenixAOSP' },
        { url: 'https://4pda.to/s/HL5VF8lt4IIwqiHRZhDp4FAlT2xuXz03rSbp.png', description: 'PixelDust' },
        { url: 'https://4pda.to/s/HL5V0NVF8inCZ8hoa73ez1cjphLV28Qz2J3Lh.png', description: 'PixelExperience' },
        { url: 'https://4pda.to/s/HL5V1KP0GGNpZ8B2yRLF2WYhNpW28QVZRfD.png', description: 'Pixelos' },
        { url: 'https://4pda.to/s/HL5V2JLUZkKLyuJz1wKDpaVYhNp0IWULoGxW.png', description: 'PixelPlus UI' },
        { url: 'https://4pda.to/s/HL5V3GJHxIogyupEY8RKOPjphLz2IWUr2876.png', description: 'Project Blaze' },
        { url: 'https://4pda.to/s/HL5V4VBjTjoAiGNKRdJWAKm6QkLJZOQgiz0F.png', description: 'Project elixir-new' },
        { url: 'https://4pda.to/s/HL5V5SDY5HKriGta3x57sIz2Uc8gJZOwQq1f.png', description: 'Project Elixir' },
        { url: 'https://4pda.to/s/HL5V6R1yslNJpWlO5qTxGjz2Uc8A3BSmBz2J4.png', description: 'Project Zephyrus' },
        { url: 'https://4pda.to/s/HL5V7O7pkJnipWFeTeBSihm6Qkr3BSGxdlY.png', description: 'ProjectEverest' },
        { url: 'https://4pda.to/s/HL5VEFXiz1xr6oZfNT8x4mz0tgKLz2omMXWz0sz0.png', description: 'Radioactive Kernel' },
        { url: 'https://4pda.to/s/HL5VFCdZc7JvoZ9d5KjZCxuoep0omM1GbAR.png', description: 'RisingOS' },
        { url: 'https://4pda.to/s/HL5V0JNRgvmFb7pE2uZusIVkUaa8Pnz0sww3.png', description: 'Sigmadroid_2' },
        { url: 'https://4pda.to/s/HL5V1GHKo5Mmb7Jz1QarVAKGsY2R8PnT6Y6b.png', description: 'Sigmadroid' },
        { url: 'https://4pda.to/s/HL5V2NTA1xLMwtB2ShjZihGsY2xOnrNNfK8.png', description: 'SparkOS' },
        { url: 'https://4pda.to/s/HL5V3KR5P7pfwtho4tx4GjVkUa4Onrtdnek.png', description: 'StagOS' },
        { url: 'https://4pda.to/s/HL5V4R3vz2up9gVFez0Opm2W2RlVkPopOFLId.png', description: 'StatixOS' },
        { url: 'https://4pda.to/s/HL5V5O5sd4LsgVlOb4bNz1cD3JvHPopuz2Dk1.png', description: 'Superior_2' },
        { url: 'https://4pda.to/s/HL5V6V9eKwMGrltaZBz0hOPD3Jvn9Qtok6yi.png', description: 'Superior' },
        { url: 'https://4pda.to/s/HL5V7SFdC6mlrlNKxNhCaV2RlVE9QtIUU0A.png', description: 'SyberiaOS' }
    ];

    let buttonAdded = false;
    let logoPanel = null;

    function addLogoButton() {
        if (buttonAdded) return;

        console.log('Logo Replacer: searching for editor...');

        const selectors = [
            'img[src*="folder_editor_buttons"]',
            'td.formbuttons img',
            '.buttons img',
            'input[value*="B"]',
            'input[value*="I"]',
            'input[value*="U"]',
            'textarea[name="Post"]'
        ];

        for (let selector of selectors) {
            const elements = document.querySelectorAll(selector);
            if (elements.length > 0) {
                const element = elements[0];
                addButtonAsFirst(element);
                return;
            }
        }
    }

    function addButtonAsFirst(element) {
        if (!element || buttonAdded) return;

        console.log('Logo Replacer: adding button as first element');

        const logoBtn = document.createElement('span');
        logoBtn.className = 'g-btn blue logo-replacer-btn';
        logoBtn.textContent = 'Лого';
        logoBtn.title = `Выбрать логотип из ${LOGOS.length} вариантов`;
        logoBtn.style.cssText = 'margin-left:4px;cursor:pointer;font-weight:bold;';

        logoBtn.addEventListener('click', showLogoSelector);

        const container = element.parentNode;
        container.insertBefore(logoBtn, container.firstChild);
        buttonAdded = true;

        console.log('Logo Replacer: button added as first successfully!');
    }

    function showLogoSelector() {
        console.log('Logo Replacer: showing logo selector');

        if (logoPanel) {
            logoPanel.remove();
            logoPanel = null;
            return;
        }

        logoPanel = document.createElement('div');
        logoPanel.style.cssText = `
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            border: 3px solid #4a6782;
            border-radius: 10px;
            padding: 15px;
            z-index: 10000;
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
            max-width: 95vw;
            max-height: 85vh;
            overflow-y: auto;
            font-family: Arial, sans-serif;
            font-size: 12px;
        `;

        const title = document.createElement('div');
        title.textContent = `Выберите логотип (${LOGOS.length} вариантов):`;
        title.style.cssText = 'font-weight: bold; margin-bottom: 12px; color: #333; font-size: 14px; text-align: center;';
        logoPanel.appendChild(title);

        const grid = document.createElement('div');
        grid.style.cssText = 'display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px;';
        logoPanel.appendChild(grid);

        LOGOS.forEach((logo, index) => {
            const logoContainer = document.createElement('div');
            logoContainer.style.cssText = 'border: 1px solid #ddd; border-radius: 6px; padding: 8px; text-align: center; background: #f9f9f9; cursor: pointer;';

            const name = document.createElement('div');
            name.textContent = logo.description;
            name.style.cssText = 'font-weight: bold; font-size: 10px; color: #4a6782; margin-bottom: 5px; height: 30px; display: flex; align-items: center; justify-content: center;';
            logoContainer.appendChild(name);

            const preview = document.createElement('img');
            preview.src = logo.url;
            preview.style.cssText = 'max-width: 100px; max-height: 50px; display: block; margin: 0 auto 8px; border: 1px solid #ccc;';
            preview.alt = logo.description;
            logoContainer.appendChild(preview);

            const logoBtn = document.createElement('button');
            logoBtn.textContent = 'Вставить';
            logoBtn.style.cssText = `
                width: 100%;
                padding: 4px 8px;
                background: #4a6782;
                color: white;
                border: none;
                border-radius: 3px;
                cursor: pointer;
                font-size: 10px;
                font-weight: bold;
            `;

            logoBtn.addEventListener('mouseenter', function() {
                this.style.background = '#5a7792';
                logoContainer.style.background = '#f0f5fa';
            });

            logoBtn.addEventListener('mouseleave', function() {
                this.style.background = '#4a6782';
                logoContainer.style.background = '#f9f9f9';
            });

            logoBtn.addEventListener('click', (e) => {
                e.stopPropagation();
                insertLogo(logo.url, logo.description);
                logoPanel.remove();
                logoPanel = null;
            });

            logoContainer.appendChild(logoBtn);

            logoContainer.addEventListener('click', (e) => {
                if (e.target !== logoBtn) {
                    insertLogo(logo.url, logo.description);
                    logoPanel.remove();
                    logoPanel = null;
                }
            });

            grid.appendChild(logoContainer);
        });

        const closeBtn = document.createElement('button');
        closeBtn.textContent = 'Закрыть';
        closeBtn.style.cssText = `
            display: block;
            margin: 15px auto 0;
            padding: 8px 16px;
            background: #ff4444;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 12px;
            font-weight: bold;
        `;

        closeBtn.addEventListener('click', () => {
            logoPanel.remove();
            logoPanel = null;
        });

        logoPanel.appendChild(closeBtn);
        document.body.appendChild(logoPanel);

        setTimeout(() => {
            const closeHandler = (e) => {
                if (logoPanel && !logoPanel.contains(e.target)) {
                    logoPanel.remove();
                    logoPanel = null;
                    document.removeEventListener('click', closeHandler);
                }
            };
            document.addEventListener('click', closeHandler);
        }, 100);
    }

    function insertLogo(logoUrl, logoName) {
        const bbcode = `[center][img]${logoUrl}[/img][/center]`;
        console.log('Logo Replacer: inserting logo BBCode:', bbcode);

        let textarea = document.querySelector('textarea[name="Post"]');

        if (!textarea) {
            textarea = document.querySelector('#Post, textarea[id*="post"], textarea[class*="editor"]');
        }

        if (!textarea) {
            const allTextareas = document.querySelectorAll('textarea');
            for (let ta of allTextareas) {
                if (ta.offsetWidth > 300 && ta.offsetHeight > 100) {
                    textarea = ta;
                    break;
                }
            }
        }

        if (!textarea) {
            alert('Не найдено поле для ввода текста! Откройте редактор поста.');
            return;
        }

        let currentText = textarea.value;

        // ОЧИСТКА РЕДАКТОРА: Удаляем только старые логотипы
        currentText = removeAllLogoReferences(currentText);

        // Вставляем новый логотип в начало
        const newText = bbcode + '\n\n' + currentText;
        textarea.value = newText;
        textarea.scrollTop = 0;
        textarea.focus();

        console.log('Logo Replacer: logo inserted successfully, editor cleaned');
        showNotification(`✅ Логотип "${logoName}" добавлен!`);
    }

    function removeAllLogoReferences(text) {
        if (!text) return text;

        console.log('Logo Replacer: cleaning editor from old logos');

        const patterns = [
            // Спойлеры с названием "Лого" (точно логотип)
            /\[spoiler=Лого\][\s\S]*?\[\/spoiler\]/gi,
            /\[spoiler=.*logo.*\][\s\S]*?\[\/spoiler\]/gi,

            // Спойлеры без названия, содержащие только логотип в центре
            /\[spoiler\]\s*\[center\]\s*\[(?:img|attachment)[^\]]*\][\s\S]*?\[\/center\]\s*\[\/spoiler\]/gi,

            // Логотипы в центре (основной формат вставки)
            /\[center\]\s*\[(?:img|attachment)[^\]]*logo[^\]]*\]\s*\[\/center\]/gi,
            /\[center\]\s*\[(?:img|attachment)[^\]]*\]\s*\[\/center\]/gi,

            // Отдельные изображения логотипов (только если содержат "logo" в URL)
            /\[(?:img|attachment)\][^\]]*logo[^\]]*\[\/(?:img|attachment)\]/gi,

            // Вложения логотипов (только если содержат "logo" в названии)
            /\[attachment[^\]]*logo[^\]]*\]/gi,

            // Конкретные названия файлов логотипов
            /\[(?:img|attachment)\][^\]]*(?:Infinity\.png|AICP\.png|AlphaDroid\.png|Ancient\.png|Android\.png)[^\]]*\[\/(?:img|attachment)\]/gi,
            /\[attachment[^\]]*(?:Infinity\.png|AICP\.png|AlphaDroid\.png|Ancient\.png|Android\.png)[^\]]*\]/gi
        ];

        let cleanedText = text;
        let totalRemoved = 0;

        patterns.forEach((pattern, index) => {
            const matches = cleanedText.match(pattern);
            if (matches) {
                console.log(`Logo Replacer: pattern ${index} removed:`, matches);
                totalRemoved += matches.length;
                cleanedText = cleanedText.replace(pattern, '');
            }
        });

        // Убираем лишние пустые строки только если что-то было удалено
        if (totalRemoved > 0) {
            cleanedText = cleanedText.replace(/\n\s*\n\s*\n/g, '\n\n');
            cleanedText = cleanedText.replace(/(\r?\n){3,}/g, '\n\n');
            cleanedText = cleanedText.trim();
        }

        console.log(`Logo Replacer: total logo references removed from editor: ${totalRemoved}`);
        return cleanedText;
    }

    function showNotification(message) {
        const oldNotifications = document.querySelectorAll('.logo-replacer-notification');
        oldNotifications.forEach(notification => notification.remove());

        const notification = document.createElement('div');
        notification.className = 'logo-replacer-notification';
        notification.style.cssText = `
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: #4a6782;
            color: white;
            padding: 12px 24px;
            border-radius: 6px;
            z-index: 10000;
            font-family: Arial, sans-serif;
            font-size: 14px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
            text-align: center;
            max-width: 400px;
            line-height: 1.4;
        `;
        notification.textContent = message;
        document.body.appendChild(notification);

        setTimeout(() => {
            if (notification.parentNode) {
                notification.parentNode.removeChild(notification);
            }
        }, 5000);
    }

    function init() {
        console.log(`Logo Replacer v4.3 initialized with ${LOGOS.length} logos`);

        setTimeout(addLogoButton, 1000);
        setTimeout(addLogoButton, 3000);
        setTimeout(addLogoButton, 5000);

        const observer = new MutationObserver(function(mutations) {
            for (let mutation of mutations) {
                if (mutation.addedNodes.length > 0) {
                    setTimeout(addLogoButton, 500);
                    break;
                }
            }
        });

        observer.observe(document.body, {
            childList: true,
            subtree: true
        });

        setInterval(addLogoButton, 5000);
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }
})();