{% extends "base.html" %}
{% block title %}{{ lesson_data.get('title', 'Lesson') }} — Claw-ED{% endblock %}
{% block content %}
<div class="lesson-header">
    <h1>Lesson {{ lesson_data.get('lesson_number', '') }}: {{ lesson_data.get('title', 'Untitled') }}</h1>
    <div class="lesson-meta">
        {% if lesson_data.get('standards') %}
        <span class="meta-tag">{{ lesson_data['standards']|join(', ') }}</span>
        {% endif %}
        <span class="meta-tag">Share: <a href="{{ share_url }}">{{ share_url }}</a></span>
    </div>
</div>

<div class="lesson-grid">
    <div class="lesson-main">
        <div class="lesson-section">
            <h3>Objective</h3>
            <p>{{ lesson_data.get('objective', '') }}</p>
        </div>

        {% if lesson_data.get('do_now') %}
        <div class="lesson-section">
            <h3>Do-Now / Warm-Up</h3>
            {% set warmup = lesson_data['do_now'] %}
            {% if warmup is mapping %}
            <p>{{ warmup.get('stimulus', '') }}</p>
            <ol>{% for question in warmup.get('questions', []) %}<li>{{ question }}</li>{% endfor %}</ol>
            {% else %}
            <p>{{ warmup }}</p>
            {% endif %}
        </div>
        {% endif %}

        {% if lesson_data.get('direct_instruction') %}
        <div class="lesson-section">
            <h3>Direct Instruction</h3>
            {% set instruction = lesson_data['direct_instruction'] %}
            {% if instruction is string %}
            <p>{{ instruction }}</p>
            {% else %}
            {% for section in instruction %}
                {% if section is mapping %}
                <h4>{{ section.get('heading', '') }}</h4>
                <p>{{ section.get('content', '') }}</p>
                {% if not is_shared|default(false) and section.get('teacher_script') %}
                <details><summary>Teacher notes</summary><p>{{ section['teacher_script'] }}</p></details>
                {% endif %}
                {% else %}<p>{{ section }}</p>{% endif %}
            {% endfor %}
            {% endif %}
        </div>
        {% endif %}

        {% if lesson_data.get('guided_practice') %}
        <div class="lesson-section">
            <h3>Guided Practice</h3>
            <p>{{ lesson_data['guided_practice'] }}</p>
        </div>
        {% endif %}

        {% if lesson_data.get('independent_work') %}
        <div class="lesson-section">
            <h3>Independent Work</h3>
            {% set work = lesson_data['independent_work'] %}
            <p>{{ work.get('task', '') if work is mapping else work }}</p>
        </div>
        {% endif %}

        {% if lesson_data.get('exit_ticket') %}
        <div class="lesson-section">
            <h3>Exit Ticket</h3>
            <ol>
                {% for et in lesson_data['exit_ticket'] %}
                <li>{{ et.get('question', et) if et is mapping else et }}</li>
                {% endfor %}
            </ol>
        </div>
        {% endif %}

        {% if lesson_data.get('homework') %}
        <div class="lesson-section">
            <h3>Homework</h3>
            <p>{{ lesson_data['homework'] }}</p>
        </div>
        {% endif %}

        {% if lesson_data.get('differentiation') %}
        <div class="lesson-section">
            <h3>Differentiation</h3>
            {% set diff = lesson_data['differentiation'] %}
            {% if diff.get('struggling') %}
            <p><strong>Struggling:</strong> {{ diff['struggling']|join('; ') }}</p>
            {% endif %}
            {% if diff.get('advanced') %}
            <p><strong>Advanced:</strong> {{ diff['advanced']|join('; ') }}</p>
            {% endif %}
            {% if diff.get('ell') %}
            <p><strong>ELL:</strong> {{ diff['ell']|join('; ') }}</p>
            {% endif %}
        </div>
        {% endif %}

        {% if not is_shared|default(false) %}
        <!-- Quality Scores -->
        <div class="lesson-section" id="quality-section">
            <h3>Quality Score</h3>
            <div id="quality-scores">
                {% if scores %}
                <div class="score-grid">
                    {% for dim, info in scores.items() if dim != 'overall' %}
                    <div class="score-item">
                        <span class="score-label">{{ dim.replace('_', ' ').title() }}</span>
                        <span class="score-badge {% if info.score >= 4 %}score-green{% elif info.score == 3 %}score-yellow{% else %}score-red{% endif %}">{{ info.score }}/5</span>
                        <span class="score-explain">{{ info.explanation }}</span>
                    </div>
                    {% endfor %}
                    <div class="score-overall">
                        <strong>Overall:</strong>
                        <span class="score-badge {% if scores.overall >= 4 %}score-green{% elif scores.overall >= 3 %}score-yellow{% else %}score-red{% endif %}">{{ scores.overall }}/5</span>
                    </div>
                </div>
                {% else %}
                <button class="btn btn-sm btn-primary" id="score-btn" onclick="scoreLesson()">Score This Lesson</button>
                <div id="score-loading" hidden class="status-box loading">Scoring lesson...</div>
                {% endif %}
            </div>
        </div>

        <!-- Improvement Suggestions -->
        <div class="lesson-section" id="suggestions-section">
            <h3>Improvement Suggestions</h3>
            <button class="btn btn-sm" id="suggest-btn" onclick="suggestImprovements()">Suggest Improvements</button>
            <div id="suggest-loading" hidden class="status-box loading">Generating suggestions...</div>
            <div id="suggestions-list"></div>
        </div>

        <div class="lesson-actions">
            <h3>Export</h3>
            <div class="btn-group">
                <a href="/api/export/{{ lesson.id }}?fmt=markdown" class="btn btn-sm">Markdown</a>
                <a href="/api/export/{{ lesson.id }}?fmt=pdf" class="btn btn-sm">PDF</a>
                <a href="/api/export/{{ lesson.id }}?fmt=docx" class="btn btn-sm">DOCX</a>
                <button class="btn btn-sm" onclick="exportClassroom()">Google Classroom</button>
            </div>
            <div id="classroom-output" hidden class="classroom-json"></div>
        </div>
        {% endif %}
    </div>

    <div class="lesson-sidebar">
        {% if not is_shared|default(false) %}
        {% if embed_snippet %}
        <div class="sidebar-card">
            <h3>Student Chat Embed</h3>
            <p>Copy this into your LMS's HTML editor. Students need access to this server's address.</p>
            <label for="chat-embed">Embed code</label>
            <textarea id="chat-embed" rows="5" readonly>{{ embed_snippet }}</textarea>
        </div>
        {% endif %}
        <!-- Feedback -->
        <div class="sidebar-card">
            <h3>Rate This Lesson</h3>
            <form id="feedback-form">
                <input type="hidden" name="lesson_id" value="{{ lesson.id }}">
                <div class="star-rating" id="star-rating">
                    {% for i in range(1, 6) %}
                    <span class="star" data-value="{{ i }}">&#9734;</span>
                    {% endfor %}
                </div>
                <input type="hidden" name="rating" id="rating-value" value="0">
                <textarea name="notes" placeholder="Optional feedback notes..." rows="3"></textarea>
                <button type="submit" class="btn btn-sm btn-primary">Submit Feedback</button>
            </form>
            <div id="feedback-status" hidden></div>
        </div>

        <!-- Chat -->
        <div class="sidebar-card">
            <h3>Ask About This Lesson</h3>
            <div id="chat-messages" class="chat-messages"></div>
            <form id="chat-form">
                <input type="hidden" name="lesson_id" value="{{ lesson.id }}">
                <div class="chat-input-row">
                    <input type="text" name="question" id="chat-input" placeholder="Ask a question..." autocomplete="off">
                    <button type="submit" class="btn btn-sm btn-primary">Send</button>
                </div>
            </form>
        </div>

        <!-- Feedback History -->
        {% if feedback_list %}
        <div class="sidebar-card">
            <h3>Feedback History</h3>
            {% for fb in feedback_list %}
            <div class="feedback-item">
                <span class="fb-rating">{{ '★' * (fb.rating or 0) }}{{ '☆' * (5 - (fb.rating or 0)) }}</span>
                {% if fb.notes %}<p class="fb-notes">{{ fb.notes }}</p>{% endif %}
                <span class="fb-date">{{ fb.created_at[:10] if fb.created_at else '' }}</span>
            </div>
            {% endfor %}
        </div>
        {% endif %}
        {% endif %}
    </div>
</div>
{% endblock %}
{% block scripts %}
<script>
var lessonId = '{{ lesson.id }}';

function scoreLesson() {
    var btn = document.getElementById('score-btn');
    var loading = document.getElementById('score-loading');
    btn.hidden = true;
    loading.hidden = false;
    fetch('/api/score/' + lessonId).then(function(r){return r.json();}).then(function(data) {
        loading.hidden = true;
        if (data.scores) {
            var html = '<div class="score-grid">';
            var dims = ['objective_clarity','do_now_relevance','instruction_depth','differentiation_quality','exit_ticket_alignment','materials_completeness'];
            dims.forEach(function(dim) {
                var info = data.scores[dim];
                if (!info) return;
                var cls = info.score >= 4 ? 'score-green' : (info.score === 3 ? 'score-yellow' : 'score-red');
                var label = dim.replace(/_/g,' ').replace(/\b\w/g, function(c){return c.toUpperCase();});
                html += '<div class="score-item"><span class="score-label">' + label + '</span>';
                html += '<span class="score-badge ' + cls + '">' + info.score + '/5</span>';
                html += '<span class="score-explain">' + (info.explanation||'') + '</span></div>';
            });
            var overall = data.scores.overall || 0;
            var oCls = overall >= 4 ? 'score-green' : (overall >= 3 ? 'score-yellow' : 'score-red');
            html += '<div class="score-overall"><strong>Overall:</strong> <span class="score-badge ' + oCls + '">' + overall + '/5</span></div>';
            html += '</div>';
            document.getElementById('quality-scores').innerHTML = html;
        }
    }).catch(function(e) {
        loading.hidden = true;
        btn.hidden = false;
    });
}

function suggestImprovements() {
    var btn = document.getElementById('suggest-btn');
    var loading = document.getElementById('suggest-loading');
    btn.hidden = true;
    loading.hidden = false;
    fetch('/api/suggest/' + lessonId, {method:'POST'}).then(function(r){return r.json();}).then(function(data) {
        loading.hidden = true;
        if (data.suggestions) {
            var html = '<ul class="suggestions-list">';
            data.suggestions.forEach(function(s) { html += '<li>' + s + '</li>'; });
            html += '</ul>';
            document.getElementById('suggestions-list').innerHTML = html;
        }
    }).catch(function(e) {
        loading.hidden = true;
        btn.hidden = false;
    });
}

function exportClassroom() {
    fetch('/api/export/' + lessonId + '/classroom', {method:'POST'}).then(function(r){return r.json();}).then(function(data) {
        if (data.coursework) {
            var el = document.getElementById('classroom-output');
            el.hidden = false;
            var jsonStr = JSON.stringify(data.coursework, null, 2);
            el.innerHTML = '<h4>Google Classroom CourseWork JSON</h4><pre>' + jsonStr + '</pre>';
            var copyBtn = document.createElement('button');
            copyBtn.className = 'btn btn-sm';
            copyBtn.textContent = 'Copy to Clipboard';
            copyBtn.onclick = function() { navigator.clipboard.writeText(jsonStr); copyBtn.textContent = 'Copied!'; };
            el.appendChild(copyBtn);
        }
    }).catch(function() {});
}
</script>
{% endblock %}