{% extends "layout.html" %}

{% block content %}
<div class="row">
    <div class="col-md-4">
        <div class="card mb-4">
            <div class="img-container" style="height: auto; min-height: 400px;">
                {% if character.image_path %}
                <img src="{{ url_for('static', filename='uploads/' + character.image_path) }}" alt="{{ character.name }}" class="img-fluid">
                {% else %}
                <span class="text-muted">No Image Attached</span>
                {% endif %}
            </div>
            <div class="card-body">
                <form action="{{ url_for('upload_image', slug=character.slug) }}" method="post" enctype="multipart/form-data">
                    <div class="mb-3">
                        <label for="image" class="form-label">Update Image</label>
                        <input class="form-control" type="file" id="image" name="image" required>
                    </div>
                    <button type="submit" class="btn btn-primary w-100 mb-2">Upload</button>
                </form>
                <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" name="action" value="replace" class="btn btn-outline-danger" form="generate-form">Generate & Replace Cover</button>
                    <button type="submit" form="generate-form" formaction="{{ url_for('save_defaults', slug=character.slug) }}" class="btn btn-sm btn-outline-secondary mt-2">Save as Default Selection</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">Latest Preview</div>
            <div class="card-body p-0">
                <div class="img-container" style="height: auto; min-height: 400px;">
                    <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">Latest Preview</div>
            <div class="card-body p-0">
                <div class="img-container" style="height: auto; min-height: 400px;">
                    <img id="preview-img" src="" alt="Preview" class="img-fluid">
                </div>
            </div>
        </div>
        {% endif %}
        
        <div class="card mb-4">
            <div class="card-header bg-dark text-white d-flex justify-content-between align-items-center">
                <span>Tags</span>
                <div class="form-check form-switch">
                    <input class="form-check-input" type="checkbox" name="include_field" value="special::tags" id="includeTags" form="generate-form" 
                    {% if preferences is not none %}
                        {% if 'special::tags' in preferences %}checked{% endif %}
                    {% elif character.default_fields is not none %}
                        {% if 'special::tags' in character.default_fields %}checked{% endif %}
                    {% else %}
                        checked
                    {% endif %}>
                    <label class="form-check-label text-white small" for="includeTags">Include</label>
                </div>
            </div>
            <div class="card-body">
                {% for tag in character.data.tags %}
                <span class="badge bg-secondary">{{ tag }}</span>
                {% endfor %}
            </div>
        </div>
    </div>

    <div class="col-md-8">
        <div class="d-flex justify-content-between align-items-center mb-4">
            <h1>{{ character.name }}</h1>
            <a href="/" class="btn btn-outline-secondary">Back to Gallery</a>
        </div>

        <form id="generate-form" action="{{ url_for('generate_image', slug=character.slug) }}" method="post">
            {% for section, details in character.data.items() %}
                {% if section not in ['character_id', 'tags', 'name'] and details is mapping %}
                <div class="card mb-4">
                    <div class="card-header bg-light text-capitalize"><strong>{{ section.replace('_', ' ') }}</strong></div>
                    <div class="card-body">
                        <dl class="row mb-0">
                            {% if section == 'identity' %}
                            <dt class="col-sm-4 text-capitalize">
                                <input class="form-check-input me-1" type="checkbox" name="include_field" value="special::name" 
                                {% if preferences is not none %}
                                    {% if 'special::name' in preferences %}checked{% endif %}
                                {% elif character.default_fields is not none %}
                                    {% if 'special::name' in character.default_fields %}checked{% endif %}
                                {% else %}
                                    checked
                                {% endif %}>
                                Character ID
                            </dt>
                            <dd class="col-sm-8">{{ character.character_id }}</dd>
                            {% endif %}
                            
                            {% for key, value in details.items() %}
                            <dt class="col-sm-4 text-capitalize">
                                <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 character.default_fields is not none %}
                                    {% if section + '::' + key in character.default_fields %}checked{% endif %}
                                {% else %}
                                    {% if value %}checked{% endif %}
                                {% endif %}>
                                {{ key.replace('_', ' ') }}
                            </dt>
                            <dd class="col-sm-8">{{ value if value else '--' }}</dd>
                            {% endfor %}
                        </dl>
                    </div>
                </div>
                {% endif %}
            {% endfor %}
        </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');
        
        // Generate a unique client ID
        const clientId = 'detail_view_' + Math.random().toString(36).substring(2, 15);

        // ComfyUI WebSocket
        const socket = new WebSocket(`ws://127.0.0.1:8188/ws?clientId=${clientId}`);
        
        let currentPromptId = null;
        let currentAction = null;

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

        let resolveCompletion = null;
        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) => {
            // Only intercept generate actions
            const submitter = e.submitter;
            if (!submitter || (submitter.value !== 'preview' && submitter.value !== 'replace')) {
                return; 
            }
            
            e.preventDefault();
            
            currentAction = submitter.value;
            const formData = new FormData(form);
            formData.append('action', currentAction);
            formData.append('client_id', clientId);
            
            // UI Reset
            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...';
                
                // Wait for completion (WebSocket or Polling)
                await waitForCompletion(currentPromptId);
                
                // Finalize
                finalizeGeneration(currentPromptId, currentAction);
                currentPromptId = null;
                
            } catch (err) {
                console.error(err);
                alert('Request failed');
                progressContainer.classList.add('d-none');
            }
        });
        
        async function finalizeGeneration(promptId, action) {
            progressLabel.textContent = 'Saving image...';
            const url = `/character/{{ character.slug }}/finalize_generation/${promptId}`;
            const formData = new FormData();
            formData.append('action', action);
            
            try {
                const response = await fetch(url, {
                    method: 'POST',
                    body: formData
                });
                const data = await response.json();
                
                if (data.success) {
                    if (action === 'preview') {
                        previewImg.src = data.image_url;
                        if (previewCard) previewCard.classList.remove('d-none');
                    } else {
                        // Reload for cover update
                        window.location.reload();
                    }
                } else {
                    alert('Save failed: ' + data.error);
                }
            } catch (err) {
                console.error(err);
                alert('Finalize request failed');
            } finally {
                progressContainer.classList.add('d-none');
            }
        }
    });
</script>
{% endblock %}