const storyData = [
    { start: 0.000, end: 12.693, text: "تَقِفُ سَنْدِيَانَةٌ 🌳 عَالِيَةٌ عَلَى مُرْتَفَعٍ، تُشْرِفُ عَلَى نَهْرٍ 🌊 غَزِيرِ الْمِيَاهِ، أَغْصَانُهَا 🍃 كَثِيفَةٌ، وَأَوْرَاقُهَا خَضْرَاءُ، وَسَاقُهَا طَوِيلَةٌ كَالْمِئْذَنَةِ فِي الِارْتِفَاعِ." },
    { start: 12.693, end: 20.742, text: "تَتَنَقَّلُ عَلَيْهَا الْعَصَافِيرُ 🐦 مُغَرِّدَةً، وَيَجْلِسُ عِنْدَهَا الرُّعَاةُ وَالصَّيَّادُونَ لِيَرْتَاحُوا مِنَ التَّعَبِ." },
    { start: 20.742, end: 29.782, text: "وَتَعِيشُ قَصَبَةٌ 🌾 مَعَ رَفِيقَتِهَا، عَلَى ضِفَّةِ هَذَا النَّهْرِ، تَنْظُرُ بِخَفَرٍ لِمِيَاهِهِ الْجَارِيَةِ، وَتَتَمَايَلُ مَعَ الْهَوَاءِ." },
    { start: 29.782, end: 35.045, text: "قَالَتِ السَّنْدِيَانَةُ مَرَّةً لِلْقَصَبَةِ: مَا أَحْقَرَكِ أَيَّتُهَا الْقَصَبَةُ!" },
    { start: 35.045, end: 42.599, text: "تَعِيشِينَ فِي هَذَا الْمُنْخَفَضِ، وَتَخْتَفِينَ وَرَاءَهُ طِيلَةَ النَّهَارِ، فَلَا تَرَيْنَ النُّورَ، وَمَا أَضْعَفَكِ!" },
    { start: 42.599, end: 48.233, text: "لَا تَسْتَطِيعِينَ أَنْ تَحْمِلِي عُصْفُورًا، حَقًّا إِنَّ الطَّبِيعَةَ قَاسِيَةٌ عَلَيْكِ." },
    { start: 48.233, end: 54.611, text: "قَالَتْ لَهَا الْقَصَبَةُ: أَنْتِ مَغْرُورَةٌ بِنَفْسِكِ، وَغُرُورُكِ 😌 هَذَا سَوْفَ يَقْضِي عَلَيْكِ." },
    { start: 54.611, end: 74.177, text: "هَبَّتْ عَاصِفَةٌ 🌪️ قَوِيَّةٌ، فَتَأَرْجَحَتِ الْقَصَبَةُ مَعَ الْعَاصِفَةِ، وَتَمَكَّنَتْ بِفَضْلِ ذَلِكَ مِنَ الثَّبَاتِ، وَهِيَ تَمِيلُ يَمِينًا وَيَسَارًا، أَمَّا السَّنْدِيَانَةُ فَلَمْ تَسْتَطِعْ أَنْ تُقَاوِمَ الْعَاصِفَةَ، فَتَكَسَّرَتْ أَغْصَانُهَا، وَاقْتَلَعَتْهَا الْعَاصِفَةُ بِجِذْعِهَا 🌳 الضَّخْمِ." },
    { start: 74.177, end: 83.000, text: "نَظَرَتِ الْقَصَبَةُ بِعَطْفٍ إِلَى السَّنْدِيَانَةِ، وَقَالَتْ لَهَا: هَذِهِ نَتِيجَةُ غُرُورِكِ، وَاحْتِقَارِكِ مَنْ هُوَ أَصْغَرُ مِنْكِ." }
];

const translations = {
    "سَنْدِيَانَةٌ": "Oak tree",
    "مُرْتَفَعٍ": "High ground",
    "نَهْرٍ": "River",
    "غَزِيرِ": "Abundant",
    "أَغْصَانُهَا": "Its branches",
    "كَثِيفَةٌ": "Dense",
    "أَوْرَاقُهَا": "Its leaves",
    "خَضْرَاءُ": "Green",
    "سَاقُهَا": "Its trunk",
    "طَوِيلَةٌ": "Tall",
    "كَالْمِئْذَنَةِ": "Like a minaret",
    "الِارْتِفَاعِ": "Height",
    "تَتَنَقَّلُ": "Move around",
    "الْعَصَافِيرُ": "Birds",
    "مُغَرِّدَةً": "Chirping",
    "الرُّعَاةُ": "Shepherds",
    "وَالصَّيَّادُونَ": "And hunters",
    "لِيَرْتَاحُوا": "To rest",
    "التَّعَبِ": "Fatigue",
    "قَصَبَةٌ": "Reed",
    "رَفِيقَتِهَا": "Its companion",
    "ضِفَّةِ": "Bank (of river)",
    "بِخَفَرٍ": "Shyly",
    "لِمِيَاهِهِ": "To its waters",
    "الْجَارِيَةِ": "Running",
    "وَتَتَمَايَلُ": "And sways",
    "الْهَوَاءِ": "The air / wind",
    "أَحْقَرَكِ": "How despicable you are",
    "الْمُنْخَفَضِ": "Lowland",
    "وَتَخْتَفِينَ": "And you hide",
    "وَرَاءَهُ": "Behind it",
    "طِيلَةَ": "Throughout",
    "النَّهَارِ": "The day",
    "النُّورَ": "The light",
    "أَضْعَفَكِ": "How weak you are",
    "تَحْمِلِي": "Carry",
    "عُصْفُورًا": "A bird",
    "الطَّبِيعَةَ": "Nature",
    "قَاسِيَةٌ": "Cruel / Harsh",
    "مَغْرُورَةٌ": "Arrogant",
    "بِنَفْسِكِ": "With yourself",
    "وَغُرُورُكِ": "And your arrogance",
    "يَقْضِي": "Will destroy / Finish",
    "هَبَّتْ": "Blew",
    "عَاصِفَةٌ": "Storm",
    "قَوِيَّةٌ": "Strong",
    "فَتَأَرْجَحَتِ": "So it swayed",
    "وَتَمَكَّنَتْ": "And it was able",
    "بِفَضْلِ": "Thanks to",
    "الثَّبَاتِ": "Steadiness / Stability",
    "تَمِيلُ": "Leans / Bends",
    "يَمِينًا": "Right",
    "وَيَسَارًا": "And left",
    "تُقَاوِمَ": "Resist",
    "فَتَكَسَّرَتْ": "So they broke",
    "وَاقْتَلَعَتْهَا": "And uprooted it",
    "بِجِذْعِهَا": "By its trunk",
    "الضَّخْمِ": "Huge",
    "بِعَطْفٍ": "With sympathy",
    "نَتِيجَةُ": "Result",
    "غُرُورِكِ": "Your arrogance",
    "وَاحْتِقَارِكِ": "And your contempt"
};

const quizData = [
    {
        question: "أين تعيش السنديانة؟ (Where does the oak tree live?)",
        options: [
            { text: "على ضفة النهر (On the riverbank)", isCorrect: false },
            { text: "في منخفض (In a lowland)", isCorrect: false },
            { text: "على مرتفع (On a high ground)", isCorrect: true }
        ]
    },
    {
        question: "ماذا حدث للسنديانة عندما هبت العاصفة؟ (What happened to the oak tree when the storm blew?)",
        options: [
            { text: "تأرجحت مع العاصفة (Swayed with the storm)", isCorrect: false },
            { text: "اقتلعتها العاصفة (The storm uprooted it)", isCorrect: true },
            { text: "قاومت العاصفة (Resisted the storm)", isCorrect: false }
        ]
    },
    {
        question: "ما هي الحكمة من القصة؟ (What is the moral of the story?)",
        options: [
            { text: "الطبيعة قاسية (Nature is harsh)", isCorrect: false },
            { text: "الغرور يقضي على صاحبه (Arrogance destroys its owner)", isCorrect: true },
            { text: "النهر جميل (The river is beautiful)", isCorrect: false }
        ]
    }
];

document.addEventListener("DOMContentLoaded", () => {
    const textContentEl = document.getElementById("text-content");
    const audioEl = document.getElementById("story-audio");
    const playBtn = document.getElementById("play-btn");
    const resetBtn = document.getElementById("reset-btn");
    const progressBar = document.getElementById("progress-bar");
    const progressContainer = document.getElementById("progress-container");
    const tooltip = document.getElementById("word-tooltip");
    const tooltipAr = document.getElementById("tooltip-ar");
    const tooltipEn = document.getElementById("tooltip-en");
    const tooltipArrow = document.getElementById("tooltip-arrow");
    const quizContainer = document.getElementById("quiz-container");

    let isPlaying = false;

    // Remove any character that is not an Arabic letter, diacritic or space
    function cleanWord(word) {
        return word.replace(/[^\u0600-\u06FF\s]/g, '').trim();
    }

    // Render Text
    storyData.forEach((section, index) => {
        const wrapper = document.createElement("div");
        wrapper.className = "paragraph-wrapper";

        const imgName = index === 5 ? "Patagraph 6.png" : `paragraph ${index + 1}.png`;
        const img = document.createElement("img");
        img.src = imgName;
        img.className = "paragraph-image";
        img.alt = `صورة للفقرة ${index + 1}`;
        wrapper.appendChild(img);

        const sentenceSpan = document.createElement("div");
        sentenceSpan.className = "sentence";
        sentenceSpan.id = `sentence-${index}`;
        sentenceSpan.dataset.start = section.start;
        sentenceSpan.dataset.end = section.end;

        const words = section.text.split(" ");
        words.forEach((word) => {
            const wordSpan = document.createElement("span");
            const clean = cleanWord(word);
            
            wordSpan.className = "word";
            wordSpan.innerText = word + " ";
            
            if (translations[clean]) {
                wordSpan.classList.add("has-translation");
                wordSpan.addEventListener("click", (e) => {
                    e.stopPropagation();
                    const rect = wordSpan.getBoundingClientRect();
                    tooltipAr.innerText = clean;
                    tooltipEn.innerText = translations[clean];
                    
                    // Force layout measurement
                    const tHeight = tooltip.offsetHeight;
                    const tWidth = tooltip.offsetWidth;
                    
                    // Calculate center position
                    const centerX = rect.left + window.scrollX + (rect.width / 2);
                    let leftPos = centerX;
                    
                    // Keep tooltip within screen bounds
                    const padding = 15;
                    const minLeft = padding + (tWidth / 2);
                    const maxLeft = window.innerWidth - padding - (tWidth / 2);
                    
                    if (leftPos < minLeft) leftPos = minLeft;
                    if (leftPos > maxLeft) leftPos = maxLeft;
                    
                    tooltip.style.left = `${leftPos}px`;
                    tooltip.style.top = `${rect.top + window.scrollY - tHeight - 15}px`;
                    
                    // Adjust arrow to point directly at the word, even if tooltip is shifted
                    let arrowOffset = centerX - leftPos;
                    const maxArrowOffset = (tWidth / 2) - 15;
                    
                    if (arrowOffset > maxArrowOffset) arrowOffset = maxArrowOffset;
                    if (arrowOffset < -maxArrowOffset) arrowOffset = -maxArrowOffset;
                    
                    tooltipArrow.style.left = `calc(50% + ${arrowOffset}px)`;
                    tooltip.classList.add("show");
                });
            }
            sentenceSpan.appendChild(wordSpan);
        });

        wrapper.appendChild(sentenceSpan);
        textContentEl.appendChild(wrapper);
    });

    // Audio Play/Pause
    playBtn.addEventListener("click", () => {
        if (isPlaying) {
            audioEl.pause();
            playBtn.innerHTML = '<svg viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M8 5v14l11-7z"/></svg> استمع للقصة';
        } else {
            audioEl.play();
            playBtn.innerHTML = '<svg viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M6 19h4V5H6v14zm8-14v14h4V5h-4z"/></svg> إيقاف';
        }
        isPlaying = !isPlaying;
    });

    audioEl.addEventListener("ended", () => {
        isPlaying = false;
        playBtn.innerHTML = '<svg viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M8 5v14l11-7z"/></svg> استمع للقصة';
        progressBar.style.width = "0%";
    });

    // Reset Functionality
    resetBtn.addEventListener("click", () => {
        audioEl.pause();
        audioEl.currentTime = 0;
        isPlaying = false;
        playBtn.innerHTML = '<svg viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M8 5v14l11-7z"/></svg> استمع للقصة';
        progressBar.style.width = "0%";
        
        document.querySelectorAll(".sentence").forEach(el => el.classList.remove("active"));
        
        document.querySelectorAll(".option-btn").forEach(btn => {
            btn.classList.remove("correct", "wrong");
            btn.disabled = false;
        });
        document.querySelectorAll(".feedback").forEach(fb => {
            fb.classList.remove("show");
        });

        window.scrollTo({ top: 0, behavior: 'smooth' });
    });

    // Sync Audio with Text
    audioEl.addEventListener("timeupdate", () => {
        const currentTime = audioEl.currentTime;
        const duration = audioEl.duration;
        
        if (duration) {
            progressBar.style.width = `${(currentTime / duration) * 100}%`;
        }

        storyData.forEach((section, index) => {
            const sentenceEl = document.getElementById(`sentence-${index}`);
            if (currentTime >= section.start && currentTime < section.end) {
                sentenceEl.classList.add("active");
            } else {
                sentenceEl.classList.remove("active");
            }
        });
    });

    // Seek Audio
    progressContainer.addEventListener("click", (e) => {
        const rect = progressContainer.getBoundingClientRect();
        const pos = (e.clientX - rect.left) / rect.width;
        audioEl.currentTime = pos * audioEl.duration;
    });

    // Hide Tooltip on document interactions
    document.addEventListener("click", () => {
        tooltip.classList.remove("show");
    });
    window.addEventListener("scroll", () => {
        tooltip.classList.remove("show");
    });
    window.addEventListener("resize", () => {
        tooltip.classList.remove("show");
    });

    // Render Quiz
    quizData.forEach((q, index) => {
        const card = document.createElement("div");
        card.className = "question-card";

        const qText = document.createElement("div");
        qText.className = "question-text";
        qText.innerText = q.question;
        card.appendChild(qText);

        const optionsContainer = document.createElement("div");
        optionsContainer.className = "options-container";

        const feedback = document.createElement("div");
        feedback.className = "feedback";

        q.options.forEach(opt => {
            const btn = document.createElement("button");
            btn.className = "option-btn";
            btn.innerText = opt.text;
            btn.addEventListener("click", () => {
                // Remove existing classes
                Array.from(optionsContainer.children).forEach(c => {
                    c.classList.remove("correct", "wrong");
                    c.disabled = true;
                });

                if (opt.isCorrect) {
                    btn.classList.add("correct");
                    feedback.innerText = "إجابة صحيحة! (Correct Answer!)";
                    feedback.style.color = "#155724";
                } else {
                    btn.classList.add("wrong");
                    feedback.innerText = "إجابة خاطئة (Wrong Answer). حاول مرة أخرى.";
                    feedback.style.color = "#721c24";
                    // Highlight correct answer
                    Array.from(optionsContainer.children).forEach((c, i) => {
                        if (q.options[i].isCorrect) c.classList.add("correct");
                    });
                }
                feedback.classList.add("show");
            });
            optionsContainer.appendChild(btn);
        });

        card.appendChild(optionsContainer);
        card.appendChild(feedback);
        quizContainer.appendChild(card);
    });
});