{% extends "base.html" %}

{% block title %}Canvas Grading System - Quiz Data{% endblock %}

{% block content %}
<div x-data="quizCSVPage()" x-init="init()">
    <!-- Page Header -->
    <div class="page-header mb-4">
        <h1 class="page-title">
            <i class="ph-download-simple"></i>
            Quiz Data
        </h1>
        <p class="page-subtitle" x-text="quizName"></p>
    </div>

    <!-- Loading State -->
    <div x-show="loading" class="card">
        <div class="card-body text-center py-5">
            <div class="spinner mb-3"></div>
            <p class="loading-text">Checking for existing data...</p>
        </div>
    </div>

    <!-- CSV Exists - Choice Panel -->
    <div x-show="!loading && csvExists && !isDownloading && !downloadComplete" class="card">
        <div class="card-body">
            <div class="alert alert-info mb-4">
                <i class="ph-info"></i>
                <strong>Quiz data found.</strong> This quiz was downloaded previously.
            </div>

            <div class="row g-3">
                <div class="col-md-6">
                    <div class="option-card" @click="useExistingCSV()">
                        <div class="option-icon">
                            <i class="ph-folder-open"></i>
                        </div>
                        <h4>Use Existing Data</h4>
                        <p class="text-secondary">Load previously downloaded data (instant)</p>
                        <button class="btn btn-primary w-100 mt-3">
                            <i class="ph-folder-open"></i>
                            Use Existing Data
                        </button>
                    </div>
                </div>
                <div class="col-md-6">
                    <div class="option-card" @click="downloadFresh()">
                        <div class="option-icon">
                            <i class="ph-arrow-clockwise"></i>
                        </div>
                        <h4>Download Fresh Copy</h4>
                        <p class="text-secondary">Get latest submissions from Canvas</p>
                        <button class="btn btn-secondary w-100 mt-3">
                            <i class="ph-download-simple"></i>
                            Re-Download
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- No CSV - Download Required -->
    <div x-show="!loading && !csvExists && !isDownloading && !downloadComplete" class="card">
        <div class="card-body text-center py-5">
            <div class="mb-4">
                <i class="ph-download-simple" style="font-size: 4rem; color: var(--primary);"></i>
            </div>
            <h3 class="mb-3">Quiz Data Not Downloaded</h3>
            <p class="text-secondary mb-4">Download quiz submissions from Canvas to continue</p>
            <button class="btn btn-primary btn-lg" @click="startDownload()">
                <i class="ph-download-simple"></i>
                Download Quiz Data
            </button>
        </div>
    </div>

    <!-- Downloading - Real-Time Progress Display -->
    <div x-show="isDownloading" class="card">
        <div class="card-body">
            <div class="text-center mb-4">
                <div class="spinner-modern mb-3"></div>
                <h3 x-text="downloadStatus">Downloading...</h3>
            </div>

            <!-- Progress Bar -->
            <div class="mb-4">
                <div class="d-flex justify-content-between mb-2">
                    <span class="fw-bold">Overall Progress</span>
                    <span class="text-secondary" x-text="downloadProgress.toFixed(0) + '%'">0%</span>
                </div>
                <div class="progress" style="height: 16px;">
                    <div class="progress-bar progress-bar-striped progress-bar-animated"
                         :style="`width: ${downloadProgress}%`"
                         role="progressbar"></div>
                </div>
            </div>

            <!-- Progress Details -->
            <div class="progress-details">
                <div class="detail-row">
                    <span class="detail-label">
                        <i class="ph-info"></i>
                        Status:
                    </span>
                    <span class="detail-value" x-text="downloadStatus"></span>
                </div>
                <div class="detail-row" x-show="downloadDetails">
                    <span class="detail-label">
                        <i class="ph-user"></i>
                        Details:
                    </span>
                    <span class="detail-value" x-text="downloadDetails"></span>
                </div>
            </div>
        </div>
    </div>

    <!-- Download Complete - Proceed -->
    <div x-show="downloadComplete && !isDownloading" class="card">
        <div class="card-body text-center py-5">
            <div class="mb-4">
                <i class="ph-check-circle" style="font-size: 4rem; color: var(--success);"></i>
            </div>
            <h3 class="text-success mb-2">Data Ready</h3>
            <p class="text-secondary mb-4" x-text="completionMessage"></p>

            <button class="btn btn-primary btn-lg" @click="proceedToGrading()">
                <i class="ph-arrow-right"></i>
                Proceed to Grading
            </button>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_css %}
<style>
.option-card {
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.option-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.option-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.option-icon i {
    font-size: 3rem;
}

.progress-details {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
}

.spinner-modern {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-container {
    text-center;
    padding: 3rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.action-buttons .btn {
    min-width: 200px;
}
</style>
{% endblock %}

{% block scripts %}
    <script src="/frontend/static/js/quiz_csv.js"></script>
{% endblock %}