{% extends "base.html" %}
{% block title %}My Timetable{% endblock %}
{% block nav_timetable_student %}active{% endblock %}

{% block content %}
<div class="page-header">
    <div>
        <h2><i class="fa-solid fa-calendar me-2"></i>My Timetable</h2>
        <p class="text-muted mb-0">
            {% if enrollment %}{{ enrollment.program }}{% endif %}
        </p>
    </div>
</div>

{% if enrollment %}
<!-- Filter bar -->
<form method="get" class="portal-card mb-4">
    <div class="portal-card-body">
        <div class="row g-3 align-items-end">
            <div class="col-md-3">
                <label class="form-label small fw-semibold">Year Group</label>
                <select name="year" class="form-select form-select-sm">
                    <option value="">All Years</option>
                    {% for val, label in year_choices %}
                    <option value="{{ val }}" {% if current_year == val|stringformat:"s" %}selected{% endif %}>
                        {{ label }}
                    </option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-md-3">
                <label class="form-label small fw-semibold">Term</label>
                <select name="term" class="form-select form-select-sm">
                    <option value="">All Terms</option>
                    {% for val, label in term_choices %}
                    <option value="{{ val }}" {% if current_term == val %}selected{% endif %}>{{ label }}</option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-md-3">
                <label class="form-label small fw-semibold">Academic Year</label>
                <input type="text" name="academic_year" class="form-control form-control-sm"
                       placeholder="e.g. 2025/2026" value="{{ current_academic_year }}">
            </div>
            <div class="col-md-3 d-flex gap-1">
                <button type="submit" class="btn btn-primary btn-sm flex-grow-1">
                    <i class="fa-solid fa-filter me-1"></i> Filter
                </button>
                {% if current_term or current_academic_year or current_year %}
                <a href="{% url 'portal:student_timetable' %}" class="btn btn-outline-secondary btn-sm" title="Clear">
                    <i class="fa-solid fa-xmark"></i>
                </a>
                {% endif %}
            </div>
        </div>
    </div>
</form>

{% if entries_by_year_day %}
<div class="accordion" id="ttYearAccordion">
    {% for year_group in entries_by_year_day %}
    {% with yi=forloop.counter %}
    <div class="accordion-item mb-3 border rounded overflow-hidden">
        <h2 class="accordion-header" id="ttYearHead{{ yi }}">
            <button class="accordion-button fw-bold{% if not forloop.first %} collapsed{% endif %}"
                    type="button" data-bs-toggle="collapse" data-bs-target="#ttYear{{ yi }}"
                    aria-expanded="{% if forloop.first %}true{% else %}false{% endif %}"
                    aria-controls="ttYear{{ yi }}" style="color: var(--color-primary);">
                <i class="fa-solid fa-layer-group me-2"></i>{{ year_group.year_name }}
            </button>
        </h2>
        <div id="ttYear{{ yi }}" class="accordion-collapse collapse{% if forloop.first %} show{% endif %}"
             aria-labelledby="ttYearHead{{ yi }}" data-bs-parent="#ttYearAccordion">
            <div class="accordion-body bg-light">
                <div class="accordion" id="ttDayAccordion{{ yi }}">
                    {% for day_group in year_group.days %}
                    <div class="accordion-item">
                        <h2 class="accordion-header" id="ttDayHead{{ yi }}_{{ forloop.counter }}">
                            <button class="accordion-button{% if not forloop.first %} collapsed{% endif %}"
                                    type="button" data-bs-toggle="collapse"
                                    data-bs-target="#ttDay{{ yi }}_{{ forloop.counter }}"
                                    aria-expanded="{% if forloop.first %}true{% else %}false{% endif %}"
                                    aria-controls="ttDay{{ yi }}_{{ forloop.counter }}">
                                <i class="fa-solid fa-calendar-day me-2 text-muted"></i>
                                <span class="fw-semibold">{{ day_group.day_name }}</span>
                                <span class="badge bg-secondary ms-2">{{ day_group.entries|length }} slot{{ day_group.entries|length|pluralize }}</span>
                            </button>
                        </h2>
                        <div id="ttDay{{ yi }}_{{ forloop.counter }}"
                             class="accordion-collapse collapse{% if forloop.first %} show{% endif %}"
                             data-bs-parent="#ttDayAccordion{{ yi }}">
                            <div class="accordion-body p-0">
                                {% for entry in day_group.entries %}
                                <div class="d-flex align-items-center gap-3 px-3 py-3
                                    {% if not forloop.last %}border-bottom{% endif %}">
                                    <!-- Time badge -->
                                    <div class="text-center flex-shrink-0" style="min-width:80px;">
                                        <div class="fw-bold text-primary" style="font-size:0.9rem;">
                                            {{ entry.start_time|time:"H:i" }}
                                        </div>
                                        <div class="text-muted" style="font-size:0.75rem;">
                                            {{ entry.end_time|time:"H:i" }}
                                        </div>
                                    </div>
                                    <!-- Divider -->
                                    <div style="width:3px;height:40px;background:var(--color-secondary);border-radius:2px;flex-shrink:0;"></div>
                                    <!-- Content -->
                                    <div class="flex-grow-1">
                                        <div class="fw-semibold">{{ entry.display_name }}</div>
                                        {% if entry.venue %}
                                        <div class="text-muted small">
                                            <i class="fa-solid fa-location-dot me-1"></i>{{ entry.venue }}
                                        </div>
                                        {% endif %}
                                    </div>
                                    <!-- Duration -->
                                    <div class="text-muted small text-end flex-shrink-0">
                                        {{ entry.get_term_display }}<br>{{ entry.academic_year }}
                                    </div>
                                </div>
                                {% endfor %}
                            </div>
                        </div>
                    </div>
                    {% endfor %}
                </div>
            </div>
        </div>
    </div>
    {% endwith %}
    {% endfor %}
</div>
{% else %}
<div class="portal-card">
    <div class="portal-card-body text-center py-5 text-muted">
        <i class="fa-solid fa-calendar-xmark fa-2x mb-3 d-block"></i>
        <p class="mb-1">No timetable found for your program yet.</p>
        <p class="small">The timetable will appear here once it is set up by the admin.</p>
    </div>
</div>
{% endif %}

{% else %}
<div class="alert alert-info">
    <i class="fa-solid fa-circle-info me-2"></i>
    No enrollment found. Your timetable will appear here once you are enrolled.
</div>
{% endif %}
{% endblock %}