{% extends "layout.html" %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-4">
    <h2>Checkpoint Library</h2>
    <div class="d-flex gap-1 align-items-center">
        <button id="batch-generate-btn" class="btn btn-sm btn-outline-success btn-icon" data-bs-toggle="tooltip" data-bs-placement="bottom" title="Generate cover images for checkpoints without one"><img src="{{ url_for('static', filename='icons/new-cover-batch.png') }}"></button>
        <button id="regenerate-all-btn" class="btn btn-sm btn-outline-danger btn-icon" data-bs-toggle="tooltip" data-bs-placement="bottom" title="Regenerate cover images for all checkpoints"><img src="{{ url_for('static', filename='icons/new-cover-batch.png') }}"></button>
        <form action="{{ url_for('bulk_create_checkpoints') }}" method="post" class="d-contents">
            <button type="submit" class="btn btn-sm btn-primary btn-icon" data-bs-toggle="tooltip" data-bs-placement="bottom" title="Create new checkpoint entries from all checkpoint files"><img src="{{ url_for('static', filename='icons/new-file.png') }}"></button>
        </form>
        <form action="{{ url_for('bulk_create_checkpoints') }}" method="post" class="d-contents">
            <input type="hidden" name="overwrite" value="true">
            <button type="submit" class="btn btn-sm btn-danger btn-icon" data-bs-toggle="tooltip" data-bs-placement="bottom" title="Overwrite all checkpoint metadata (uses API credits)" onclick="return confirm('WARNING: This will re-run LLM generation for ALL checkpoints, consuming API credits and overwriting ALL existing metadata. Are you sure?')"><img src="{{ url_for('static', filename='icons/new-file.png') }}"></button>
        </form>
        <form action="{{ url_for('rescan_checkpoints') }}" method="post" class="d-contents">
            <button type="submit" class="btn btn-sm btn-outline-primary btn-icon" data-bs-toggle="tooltip" data-bs-placement="bottom" title="Rescan checkpoint files from disk"><img src="{{ url_for('static', filename='icons/refresh.png') }}"></button>
        </form>
    </div>
</div>

<!-- Batch Progress Bar -->
<div id="batch-progress-container" class="card mb-4 d-none">
    <div class="card-body">
        <div class="d-flex justify-content-between align-items-center mb-1">
            <h5 id="batch-status-text" class="mb-0">Batch Generating Checkpoints...</h5>
            <span id="batch-node-status" class="badge bg-info text-dark">Starting...</span>
        </div>
        <div class="mb-3">
            <small class="text-muted">Overall Batch Progress</small>
            <div class="progress" style="height: 10px;">
                <div id="batch-progress-bar" class="progress-bar bg-success" style="width: 0%"></div>
            </div>
        </div>
        <div class="mb-2">
            <div class="d-flex justify-content-between">
                <small id="current-ckpt-name" class="text-muted mb-1"></small>
                <small id="current-step-progress" class="text-muted mb-1"></small>
            </div>
            <div class="progress" style="height: 20px;">
                <div id="task-progress-bar" class="progress-bar progress-bar-striped progress-bar-animated bg-info" style="width: 0%"></div>
            </div>
        </div>
    </div>
</div>

<div class="row row-cols-2 row-cols-sm-3 row-cols-md-4 row-cols-lg-5 row-cols-xl-6 g-3">
    {% for ckpt in checkpoints %}
    <div class="col" id="card-{{ ckpt.slug }}">
        <div class="card h-100 character-card" onclick="window.location.href='/checkpoint/{{ ckpt.slug }}'">
            <div class="img-container">
                {% if ckpt.image_path %}
                <img id="img-{{ ckpt.slug }}" src="{{ url_for('static', filename='uploads/' + ckpt.image_path) }}" alt="{{ ckpt.name }}">
                <span id="no-img-{{ ckpt.slug }}" class="text-muted d-none">No Image</span>
                {% else %}
                <img id="img-{{ ckpt.slug }}" src="" alt="{{ ckpt.name }}" class="d-none">
                <span id="no-img-{{ ckpt.slug }}" class="text-muted">No Image</span>
                {% endif %}
            </div>
            <div class="card-body">
                <h5 class="card-title text-center">{{ ckpt.name }}</h5>
            </div>
            <div class="card-footer d-flex justify-content-between align-items-center p-1">
                <small class="text-muted" title="{{ ckpt.checkpoint_path }}">{{ ckpt.checkpoint_path.split('/')[0] }}</small>
                <button class="btn btn-sm btn-outline-danger py-0 px-1 ms-1 resource-delete-btn" title="Delete"
                        data-category="checkpoints" data-slug="{{ ckpt.slug }}" data-name="{{ ckpt.name | e }}">🗑</button>
            </div>
        </div>
    </div>
    {% endfor %}
</div>
{% endblock %}

{% block scripts %}
<script>
    document.addEventListener('DOMContentLoaded', () => {
        const batchBtn = document.getElementById('batch-generate-btn');
        const regenAllBtn = document.getElementById('regenerate-all-btn');
        const progressBar = document.getElementById('batch-progress-bar');
        const taskProgressBar = document.getElementById('task-progress-bar');
        const container = document.getElementById('batch-progress-container');
        const statusText = document.getElementById('batch-status-text');
        const nodeStatus = document.getElementById('batch-node-status');
        const ckptNameText = document.getElementById('current-ckpt-name');
        const stepProgressText = document.getElementById('current-step-progress');

        let currentJobId = null;

        async function waitForJob(jobId) {
            return new Promise((resolve, reject) => {
                const poll = setInterval(async () => {
                    try {
                        const resp = await fetch(`/api/queue/${jobId}/status`);
                        const data = await resp.json();
                        if (data.status === 'done') { clearInterval(poll); resolve(data); }
                        else if (data.status === 'failed' || data.status === 'removed') { clearInterval(poll); reject(new Error(data.error || 'Job failed')); }
                        else if (data.status === 'processing') nodeStatus.textContent = 'Generating…';
                        else nodeStatus.textContent = 'Queued…';
                    } catch (err) {}
                }, 1500);
            });
        }

        async function runBatch() {
            const response = await fetch('/get_missing_checkpoints');
            const data = await response.json();
            const missing = data.missing;

            if (missing.length === 0) {
                alert('No checkpoints missing cover images.');
                return;
            }

            batchBtn.disabled = true;
            regenAllBtn.disabled = true;
            container.classList.remove('d-none');

            let completed = 0;
            for (const ckpt of missing) {
                const percent = Math.round((completed / missing.length) * 100);
                progressBar.style.width = `${percent}%`;
                progressBar.textContent = `${percent}%`;
                statusText.textContent = `Batch Generating: ${completed + 1} / ${missing.length}`;
                ckptNameText.textContent = `Current: ${ckpt.name}`;
                nodeStatus.textContent = 'Queuing…';
                taskProgressBar.style.width = '100%';
                taskProgressBar.textContent = '';
                taskProgressBar.classList.add('progress-bar-striped', 'progress-bar-animated');

                try {
                    const genResp = await fetch(`/checkpoint/${ckpt.slug}/generate`, {
                        method: 'POST',
                        body: new URLSearchParams({ 'character_slug': '__random__' }),
                        headers: { 'X-Requested-With': 'XMLHttpRequest' }
                    });
                    const genData = await genResp.json();
                    currentJobId = genData.job_id;

                    const jobResult = await waitForJob(currentJobId);
                    currentJobId = null;

                    if (jobResult.result && jobResult.result.image_url) {
                        const img = document.getElementById(`img-${ckpt.slug}`);
                        const noImgSpan = document.getElementById(`no-img-${ckpt.slug}`);
                        if (img) { img.src = jobResult.result.image_url; img.classList.remove('d-none'); }
                        if (noImgSpan) noImgSpan.classList.add('d-none');
                    }
                } catch (err) {
                    console.error(`Failed for ${ckpt.name}:`, err);
                    currentJobId = null;
                }
                completed++;
            }

            progressBar.style.width = '100%';
            progressBar.textContent = '100%';
            statusText.textContent = 'Batch Generation Complete!';
            ckptNameText.textContent = '';
            nodeStatus.textContent = 'Done';
            taskProgressBar.style.width = '0%';
            taskProgressBar.textContent = '';
            batchBtn.disabled = false;
            regenAllBtn.disabled = false;
            setTimeout(() => { container.classList.add('d-none'); }, 5000);
        }

        batchBtn.addEventListener('click', async () => {
            const response = await fetch('/get_missing_checkpoints');
            const data = await response.json();
            if (data.missing.length === 0) { alert('No checkpoints missing cover images.'); return; }
            if (!confirm(`Generate cover images for ${data.missing.length} checkpoints?`)) return;
            runBatch();
        });

        regenAllBtn.addEventListener('click', async () => {
            if (!confirm('This will unassign ALL current checkpoint cover images and generate new ones. Proceed?')) return;
            const clearResp = await fetch('/clear_all_checkpoint_covers', { method: 'POST' });
            if (clearResp.ok) {
                document.querySelectorAll('.img-container img').forEach(img => img.classList.add('d-none'));
                document.querySelectorAll('.img-container .text-muted').forEach(span => span.classList.remove('d-none'));
                runBatch();
            }
        });
    });
</script>
{% endblock %}