{% extends "layout.html" %}

{% block content %}
<!-- Image Modal -->
<div class="modal fade" id="imageModal" tabindex="-1" aria-labelledby="imageModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-xl modal-dialog-centered">
        <div class="modal-content bg-transparent border-0">
            <div class="modal-body p-0 text-center">
                <img id="modalImage" src="" alt="Enlarged Image" class="img-fluid" style="max-height: 90vh;">
            </div>
        </div>
    </div>
</div>

{% macro selection_checkbox(section, key, label, value) %}
<input class="form-check-input me-1" type="checkbox" name="include_field" value="{{ section }}::{{ key }}" 
{% if preferences is not none %}
    {% if section + '::' + key in preferences %}checked{% endif %}
{% elif scene.default_fields is not none %}
    {% if section + '::' + key in scene.default_fields %}checked{% endif %}
{% else %}
    {% if value %}checked{% endif %}
{% endif %}>
{% endmacro %}

<div class="row">
    <div class="col-md-4">
        <div class="card mb-4">
            <div class="img-container" style="height: auto; min-height: 400px; cursor: pointer;" data-bs-toggle="modal" data-bs-target="#imageModal" onclick="showImage(this.querySelector('img').src)">
                {% if scene.image_path %}
                <img src="{{ url_for('static', filename='uploads/' + scene.image_path) }}" alt="{{ scene.name }}" class="img-fluid">
                {% else %}
                <div class="d-flex align-items-center justify-content-center bg-light" style="height: 400px;">
                    <span class="text-muted">No Image Attached</span>
                </div>
                {% endif %}
            </div>
            <div class="card-body">
                <form action="{{ url_for('upload_scene_image', slug=scene.slug) }}" method="post" enctype="multipart/form-data">
                    <div class="mb-3">
                        <label for="image" class="form-label text-muted small">Update Cover Image</label>
                        <input class="form-control form-control-sm" type="file" id="image" name="image" required>
                    </div>
                    <button type="submit" class="btn btn-sm btn-outline-primary w-100 mb-2">Upload</button>
                </form>
                
                <hr>
                
                {# Character Selector #}
                <div class="mb-3">
                    <label for="character_select" class="form-label">Preview with Character</label>
                    <select class="form-select" id="character_select" name="character_slug" form="generate-form">
                        <option value="">-- No Character (Scene Only) --</option>
                        <option value="__random__" {% if selected_character == '__random__' %}selected{% endif %}>🎲 Random Character</option>
                        {% for char in characters %}
                        <option value="{{ char.slug }}" {% if selected_character == char.slug %}selected{% endif %}>{{ char.name }}</option>
                        {% endfor %}
                    </select>
                </div>
                
                <div class="d-grid gap-2">
                    <button type="submit" name="action" value="preview" class="btn btn-success" form="generate-form">Generate Preview</button>
                    <button type="submit" form="generate-form" formaction="{{ url_for('save_scene_defaults', slug=scene.slug) }}" class="btn btn-sm btn-outline-secondary mt-2">Save Selection as Default</button>
                </div>
            </div>
        </div>

        <div id="progress-container" class="mb-4 d-none">
            <label id="progress-label" class="form-label">Generating...</label>
            <div class="progress" role="progressbar" aria-label="Generation Progress" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100">
                <div id="progress-bar" class="progress-bar progress-bar-striped progress-bar-animated" style="width: 0%">0%</div>
            </div>
        </div>

        {% if preview_image %}
        <div class="card mb-4 border-success">
            <div class="card-header bg-success text-white d-flex justify-content-between align-items-center p-2">
                <small>Latest Preview</small>
                <form action="{{ url_for('replace_scene_cover_from_preview', slug=scene.slug) }}" method="post" class="m-0" id="replace-cover-form">
                    <button type="submit" class="btn btn-sm btn-outline-light" id="replace-cover-btn">Replace Cover</button>
                </form>
            </div>
            <div class="card-body p-0">
                <div class="img-container" style="height: auto; min-height: 400px; cursor: pointer;" data-bs-toggle="modal" data-bs-target="#imageModal" onclick="showImage(this.querySelector('img').src)">
                    <img id="preview-img" src="{{ url_for('static', filename='uploads/' + preview_image) }}" alt="Preview" class="img-fluid">
                </div>
            </div>
        </div>
        {% else %}
        <div class="card mb-4 border-secondary d-none" id="preview-card">
            <div class="card-header bg-secondary text-white d-flex justify-content-between align-items-center p-2">
                <small>Latest Preview</small>
                <form action="{{ url_for('replace_scene_cover_from_preview', slug=scene.slug) }}" method="post" class="m-0" id="replace-cover-form">
                    <button type="submit" class="btn btn-sm btn-outline-light" id="replace-cover-btn" disabled>Replace Cover</button>
                </form>
            </div>
            <div class="card-body p-0">
                <div class="img-container" style="height: auto; min-height: 400px; cursor: pointer;" data-bs-toggle="modal" data-bs-target="#imageModal" onclick="showImage(this.querySelector('img').src)">
                    <img id="preview-img" src="" alt="Preview" class="img-fluid">
                </div>
            </div>
        </div>
        {% endif %}
    </div>

    <div class="col-md-8">
        <div class="d-flex justify-content-between align-items-center mb-4">
            <div>
                <h1 class="mb-0">{{ scene.name }}</h1>
                <div class="mt-1">
                    <a href="{{ url_for('edit_scene', slug=scene.slug) }}" class="btn btn-sm btn-link text-decoration-none ps-0">Edit Scene</a>
                    <span class="text-muted">|</span>
                    <form action="{{ url_for('clone_scene', slug=scene.slug) }}" method="post" style="display: inline;">
                        <button type="submit" class="btn btn-sm btn-link text-decoration-none">Clone Scene</button>
                    </form>
                </div>
            </div>
            <a href="{{ url_for('scenes_index') }}" class="btn btn-outline-secondary">Back to Gallery</a>
        </div>

        <form id="generate-form" action="{{ url_for('generate_scene_image', slug=scene.slug) }}" method="post">
            <div class="card mb-4">
                <div class="card-header bg-light">
                    <strong>Scene Definition</strong>
                </div>
                <div class="card-body">
                    <p class="text-muted">{{ scene.data.description or "No description provided." }}</p>
                    <hr>
                    <dl class="row mb-0">
                        {% set sdata = scene.data.get('scene', {}) %}
                        
                        <dt class="col-sm-4 text-capitalize">
                            {{ selection_checkbox('defaults', 'scene', 'Scene Tags', True) }}
                            Combined Scene Tags
                        </dt>
                        <dd class="col-sm-8">
                            {% set tags = [] %}
                            {% for key, val in sdata.items() %}
                                {% if val %}
                                    {% if val is string %}
                                        {% set _ = tags.append(val) %}
                                    {% else %}
                                        {% for v in val %}{% set _ = tags.append(v) %}{% endfor %}
                                    {% endif %}
                                {% endif %}
                            {% endfor %}
                            {{ tags|join(', ') }}
                        </dd>
                    </dl>
                </div>
            </div>

            {# Character Identity/Wardrobe context when character is selected #}
            <div id="character-context" class="{% if not selected_character or selected_character == '__random__' %}d-none{% endif %}">
                <div class="alert alert-info">
                    <i class="bi bi-info-circle"></i> When a character is selected, their identity and active wardrobe fields will be automatically included.
                </div>
            </div>

            {# LoRA section #}
            {% set lora = scene.data.get('lora', {}) %}
            <div class="card mb-4">
                <div class="card-header bg-light d-flex justify-content-between align-items-center">
                    <strong>LoRA Integration</strong>
                    <div class="form-check form-switch">
                        <input class="form-check-input" type="checkbox" name="include_field" value="lora::lora_triggers" id="includeLora" 
                        {% if preferences is not none %}
                            {% if 'lora::lora_triggers' in preferences %}checked{% endif %}
                        {% elif scene.default_fields is not none %}
                            {% if 'lora::lora_triggers' in scene.default_fields %}checked{% endif %}
                        {% else %}
                            checked
                        {% endif %}>
                        <label class="form-check-label small" for="includeLora">Include Triggers</label>
                    </div>
                </div>
                <div class="card-body">
                    <dl class="row mb-0">
                        <dt class="col-sm-4">LoRA Name</dt>
                        <dd class="col-sm-8 text-muted small">{{ lora.get('lora_name') if lora.get('lora_name') else '--' }}</dd>
                        
                        <dt class="col-sm-4">Weight</dt>
                        <dd class="col-sm-8">{{ lora.get('lora_weight', 1.0) }}</dd>
                        
                        <dt class="col-sm-4">Triggers</dt>
                        <dd class="col-sm-8 small"><code>{{ lora.get('lora_triggers') if lora.get('lora_triggers') else '--' }}</code></dd>
                    </dl>
                </div>
            </div>
        </form>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
    document.addEventListener('DOMContentLoaded', () => {
        const form = document.getElementById('generate-form');
        const progressBar = document.getElementById('progress-bar');
        const progressContainer = document.getElementById('progress-container');
        const progressLabel = document.getElementById('progress-label');
        const previewCard = document.getElementById('preview-card');
        const previewImg = document.getElementById('preview-img');
        const charSelect = document.getElementById('character_select');
        const charContext = document.getElementById('character-context');
        
        charSelect.addEventListener('change', () => {
            if (charSelect.value && charSelect.value !== '__random__') {
                charContext.classList.remove('d-none');
            } else {
                charContext.classList.add('d-none');
            }
        });

        // Generate a unique client ID
        const clientId = 'scene_detail_' + Math.random().toString(36).substring(2, 15);

        // ComfyUI WebSocket
        const socket = new WebSocket('{{ COMFYUI_WS_URL }}?clientId=' + clientId);
        
        const nodeNames = {
            "3": "Sampling",
            "11": "Face Detailing",
            "13": "Hand Detailing",
            "4": "Loading Models",
            "16": "Character LoRA",
            "17": "Outfit LoRA",
            "18": "Action LoRA",
            "19": "Style/Detailer LoRA",
            "8": "Decoding Image",
            "9": "Saving Image"
        };

        let currentPromptId = null;
        let resolveCompletion = null;

        socket.addEventListener('message', (event) => {
            const msg = JSON.parse(event.data);
            
            if (msg.type === 'status') {
                if (!currentPromptId) {
                    const queueRemaining = msg.data.status.exec_info.queue_remaining;
                    if (queueRemaining > 0) {
                        progressLabel.textContent = `Queue position: ${queueRemaining}`;
                    }
                }
            }
            else if (msg.type === 'progress') {
                if (msg.data.prompt_id !== currentPromptId) return;
                const value = msg.data.value;
                const max = msg.data.max;
                const percent = Math.round((value / max) * 100);
                progressBar.style.width = `${percent}%`;
                progressBar.textContent = `${percent}%`;
            }
            else if (msg.type === 'executing') {
                if (msg.data.prompt_id !== currentPromptId) return;
                
                const nodeId = msg.data.node;
                if (nodeId === null) {
                    // Execution finished via WebSocket
                    console.log('Finished via WebSocket');
                    if (resolveCompletion) resolveCompletion();
                } else {
                    const nodeName = nodeNames[nodeId] || `Processing...`;
                    progressLabel.textContent = nodeName;
                }
            }
        });

        async function waitForCompletion(promptId) {
            return new Promise((resolve) => {
                const checkResolve = () => {
                    clearInterval(pollInterval);
                    resolve();
                };
                resolveCompletion = checkResolve;
                
                // Fallback polling in case WebSocket is blocked (403)
                const pollInterval = setInterval(async () => {
                    try {
                        const resp = await fetch(`/check_status/${promptId}`);
                        const data = await resp.json();
                        if (data.status === 'finished') {
                            console.log('Finished via Polling');
                            checkResolve();
                        }
                    } catch (err) { console.error('Polling error:', err); }
                }, 2000);
            });
        }

        form.addEventListener('submit', async (e) => {
            const submitter = e.submitter;
            if (!submitter || submitter.value !== 'preview') return;
            
            e.preventDefault();
            
            const formData = new FormData(form);
            formData.append('action', 'preview');
            formData.append('client_id', clientId);
            
            progressContainer.classList.remove('d-none');
            progressBar.style.width = '0%';
            progressBar.textContent = '0%';
            progressLabel.textContent = 'Starting...';
            
            try {
                const response = await fetch(form.getAttribute('action'), {
                    method: 'POST',
                    body: formData,
                    headers: { 'X-Requested-With': 'XMLHttpRequest' }
                });
                
                const data = await response.json();
                if (data.error) {
                    alert('Error: ' + data.error);
                    progressContainer.classList.add('d-none');
                    return;
                }
                
                currentPromptId = data.prompt_id;
                progressLabel.textContent = 'Queued...';
                progressBar.style.width = '100%';
                progressBar.textContent = 'Queued';
                progressBar.classList.add('progress-bar-striped', 'progress-bar-animated');
                
                // Wait for completion (WebSocket or Polling)
                await waitForCompletion(currentPromptId);
                
                // Finalize
                finalizeGeneration(currentPromptId);
                currentPromptId = null;
                
            } catch (err) {
                console.error(err);
                alert('Request failed');
                progressContainer.classList.add('d-none');
            }
        });
        
        async function finalizeGeneration(promptId) {
            progressLabel.textContent = 'Saving image...';
            const url = `/scene/{{ scene.slug }}/finalize_generation/${promptId}`;
            const formData = new FormData();
            formData.append('action', 'preview');
            
            try {
                const response = await fetch(url, { method: 'POST', body: formData });
                const data = await response.json();
                
                if (data.success) {
                    // Update preview image
                    previewImg.src = data.image_url;
                    if (previewCard) previewCard.classList.remove('d-none');
                    
                    const replaceBtn = document.getElementById('replace-cover-btn');
                    if (replaceBtn) {
                        replaceBtn.disabled = false;
                        const form = replaceBtn.closest('form');
                        if (form) {
                            form.action = `/scene/{{ scene.slug }}/replace_cover_from_preview`;
                        }
                    }
                } else {
                    alert('Save failed: ' + data.error);
                }
            } catch (err) {
                console.error(err);
                alert('Finalize request failed');
            } finally {
                progressContainer.classList.add('d-none');
            }
        }
    });
    
    // Image modal function
    function showImage(src) {
        document.getElementById('modalImage').src = src;
    }
</script>
{% endblock %}