{% extends "base.html" %}
{% block title %}Importálás — Recept Importáló{% endblock %}

{% block head %}
<style>
    .recipe-preview { display: none; }
    .recipe-preview.visible { display: block; }
    .recipe-image {
        max-width: 300px;
        max-height: 200px;
        border-radius: var(--radius);
        object-fit: cover;
    }
    .ingredient-header {
        display: flex;
        gap: 0.5rem;
        margin-bottom: 0.3rem;
        padding-right: 34px; /* space for remove btn */
    }
    .ingredient-header span {
        font-size: 0.8rem;
        color: var(--text-dim);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.03em;
    }
    .ingredient-header .col-qty { width: 60px; flex-shrink: 0; }
    .ingredient-header .col-unit { width: 80px; flex-shrink: 0; }
    .ingredient-header .col-food { flex: 1; }
    .ingredient-header .col-extra { width: 120px; flex-shrink: 0; }

    .ingredient-row {
        display: flex;
        gap: 0.5rem;
        align-items: center;
        margin-bottom: 0.4rem;
    }
    .ingredient-row input { margin-bottom: 0; }
    .ingredient-row .ing-qty { width: 60px; flex-shrink: 0; }
    .ingredient-row .ing-unit { width: 80px; flex-shrink: 0; }
    .ingredient-row .ing-food { flex: 1; }
    .ingredient-row .ing-extra { width: 120px; flex-shrink: 0; }
    .ingredient-row button {
        background: var(--danger);
        border: none;
        color: #fff;
        width: 28px;
        height: 28px;
        border-radius: 4px;
        cursor: pointer;
        font-size: 1rem;
        line-height: 1;
        flex-shrink: 0;
    }
    .instruction-row {
        display: flex;
        gap: 0.5rem;
        align-items: flex-start;
        margin-bottom: 0.5rem;
    }
    .instruction-row .step-num {
        background: var(--accent);
        color: #fff;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 0.4rem;
    }
    .instruction-row textarea { margin-bottom: 0; flex: 1; min-height: 60px; }
    .instruction-row button {
        background: var(--danger);
        border: none;
        color: #fff;
        width: 28px;
        height: 28px;
        border-radius: 4px;
        cursor: pointer;
        font-size: 1rem;
        line-height: 1;
        flex-shrink: 0;
        margin-top: 0.4rem;
    }
    .add-btn {
        background: var(--surface2);
        border: 1px dashed var(--border);
        color: var(--text-dim);
        padding: 0.4rem 0.8rem;
        border-radius: var(--radius);
        cursor: pointer;
        font-size: 0.9rem;
        transition: border-color 0.15s;
    }
    .add-btn:hover { border-color: var(--accent); color: var(--text); }

    .result-card { display: none; }
    .result-card.visible { display: block; }
</style>
{% endblock %}

{% block content %}
<!-- Step 1: URL input -->
<div class="card">
    <h2>Recept importálása</h2>
    <div class="flex">
        <input type="url" id="recipeUrl" class="grow" style="margin-bottom:0"
               placeholder="https://www.mindmegette.hu/recept/brassoi">
        <button class="btn btn-primary" id="scrapeBtn" onclick="scrapeRecipe()">
            Beolvasás
        </button>
    </div>
    <div id="scrapeStatus" class="mt-1"></div>
</div>

<!-- Step 2: Editable preview -->
<div class="recipe-preview" id="previewCard">
    <div class="card">
        <h2>Recept adatai</h2>

        <div class="flex flex-wrap mb-2">
            <div class="grow">
                <label for="recipeTitle">Név</label>
                <input type="text" id="recipeTitle">

                <label for="recipeDesc">Leírás</label>
                <textarea id="recipeDesc" rows="2"></textarea>
            </div>
            <div>
                <img id="recipeImage" class="recipe-image" src="" alt="">
            </div>
        </div>

        <!-- Ingredients -->
        <label>Hozzávalók</label>
        <div class="ingredient-header">
            <span class="col-qty">Menny.</span>
            <span class="col-unit">Egység</span>
            <span class="col-food">Hozzávaló</span>
            <span class="col-extra">Megjegyzés</span>
        </div>
        <div id="ingredientsList"></div>
        <button class="add-btn mt-1 mb-2" onclick="addIngredient({})">+ Hozzávaló hozzáadása</button>

        <!-- Instructions -->
        <label>Elkészítés</label>
        <div id="instructionsList"></div>
        <button class="add-btn mt-1 mb-2" onclick="addInstruction('')">+ Lépés hozzáadása</button>

        <div class="flex mt-2">
            <button class="btn btn-success" id="sendBtn" onclick="sendToMealie()">
                Importálás Mealie-be
            </button>
            <span id="sendStatus"></span>
        </div>
    </div>
</div>

<!-- Step 3: Result -->
<div class="result-card" id="resultCard">
    <div class="card">
        <h2 class="text-success">Recept sikeresen importálva!</h2>
        <p class="mt-1">
            <a id="resultLink" href="#" target="_blank" style="color:var(--accent);">
                Megnyitás Mealie-ben →
            </a>
        </p>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
let currentRecipe = null;

async function scrapeRecipe() {
    const url = document.getElementById('recipeUrl').value.trim();
    if (!url) return;

    const btn = document.getElementById('scrapeBtn');
    const status = document.getElementById('scrapeStatus');
    btn.disabled = true;
    status.innerHTML = '<span class="spinner"></span> Beolvasás folyamatban...';

    document.getElementById('previewCard').classList.remove('visible');
    document.getElementById('resultCard').classList.remove('visible');

    try {
        const form = new FormData();
        form.append('url', url);
        const resp = await fetch('/scrape', { method: 'POST', body: form });
        const data = await resp.json();

        if (!data.ok) {
            status.innerHTML = '<span class="text-danger">Hiba: ' + data.error + '</span>';
            btn.disabled = false;
            return;
        }

        currentRecipe = data.data;
        populatePreview(currentRecipe);
        document.getElementById('previewCard').classList.add('visible');
        status.innerHTML = '<span class="text-success">✓ Beolvasva</span>';
    } catch (e) {
        status.innerHTML = '<span class="text-danger">Hálózati hiba: ' + e.message + '</span>';
    }
    btn.disabled = false;
}

function populatePreview(r) {
    document.getElementById('recipeTitle').value = r.title || '';
    document.getElementById('recipeDesc').value = r.description || '';

    const img = document.getElementById('recipeImage');
    if (r.image_url) {
        img.src = r.image_url;
        img.style.display = 'block';
    } else {
        img.style.display = 'none';
    }

    // Ingredients
    const ingList = document.getElementById('ingredientsList');
    ingList.innerHTML = '';
    (r.ingredients || []).forEach(i => addIngredient(i));

    // Instructions
    const instList = document.getElementById('instructionsList');
    instList.innerHTML = '';
    (r.instructions || []).forEach(t => addInstruction(t));
}

function addIngredient(item) {
    if (typeof item === 'string') item = { food: item };
    const list = document.getElementById('ingredientsList');
    const row = document.createElement('div');
    row.className = 'ingredient-row';
    row.innerHTML = '<input type="text" class="ing-qty" placeholder="" value="' + escHtml(item.quantity || '') + '">'
        + '<input type="text" class="ing-unit" placeholder="" value="' + escHtml(item.unit || '') + '">'
        + '<input type="text" class="ing-food" placeholder="Hozzávaló" value="' + escHtml(item.food || '') + '">'
        + '<input type="text" class="ing-extra" placeholder="" value="' + escHtml(item.extra || '') + '">'
        + '<button onclick="this.parentElement.remove()">✕</button>';
    list.appendChild(row);
}

function addInstruction(value) {
    const list = document.getElementById('instructionsList');
    const idx = list.children.length + 1;
    const row = document.createElement('div');
    row.className = 'instruction-row';
    row.innerHTML = '<span class="step-num">' + idx + '</span>'
        + '<textarea>' + escHtml(value) + '</textarea>'
        + '<button onclick="removeInstruction(this)">✕</button>';
    list.appendChild(row);
}

function removeInstruction(btn) {
    btn.closest('.instruction-row').remove();
    renumberInstructions();
}

function renumberInstructions() {
    document.querySelectorAll('#instructionsList .step-num').forEach((el, i) => {
        el.textContent = i + 1;
    });
}

function gatherRecipe() {
    const ingredients = [];
    document.querySelectorAll('#ingredientsList .ingredient-row').forEach(row => {
        const qty = row.querySelector('.ing-qty').value.trim();
        const unit = row.querySelector('.ing-unit').value.trim();
        const food = row.querySelector('.ing-food').value.trim();
        const extra = row.querySelector('.ing-extra').value.trim();
        if (food || qty) {
            ingredients.push({ quantity: qty, unit: unit, food: food, extra: extra });
        }
    });

    const instructions = [];
    document.querySelectorAll('#instructionsList .instruction-row textarea').forEach(ta => {
        const v = ta.value.trim();
        if (v) instructions.push(v);
    });

    return {
        title: document.getElementById('recipeTitle').value.trim(),
        description: document.getElementById('recipeDesc').value.trim(),
        image_url: currentRecipe ? currentRecipe.image_url : null,
        ingredients: ingredients,
        instructions: instructions,
        original_url: currentRecipe ? currentRecipe.original_url : '',
    };
}

async function sendToMealie() {
    const recipe = gatherRecipe();
    if (!recipe.title) {
        alert('A recept neve kötelező!');
        return;
    }

    const btn = document.getElementById('sendBtn');
    const status = document.getElementById('sendStatus');
    btn.disabled = true;
    status.innerHTML = '<span class="spinner"></span> Importálás...';

    try {
        const resp = await fetch('/send', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(recipe),
        });
        const data = await resp.json();

        if (!data.ok) {
            status.innerHTML = '<span class="text-danger">Hiba: ' + data.error + '</span>';
            btn.disabled = false;
            return;
        }

        status.innerHTML = '';
        document.getElementById('resultLink').href = data.url;
        document.getElementById('resultCard').classList.add('visible');
    } catch (e) {
        status.innerHTML = '<span class="text-danger">Hálózati hiba: ' + e.message + '</span>';
    }
    btn.disabled = false;
}

function escHtml(s) {
    const d = document.createElement('div');
    d.textContent = s;
    return d.innerHTML;
}
</script>
{% endblock %}