{% extends "base.html" %}
{% block title %}Schedule — {{ course.title or "Cold Call" }}{% endblock %}
{% block body %}
<p><a href="{{ url_for('instructor.home') }}">&larr; back</a></p>
<h1>Class schedule</h1>
<p class="muted">When class days are listed here, the student opt-out
  form only offers these dates. With no days listed, students can pick
  any date. Start times bound opt-out withdrawal: students can withdraw
  an opt-out until class begins; with no time recorded, withdrawal
  closes at the start of the class day.</p>

{% set dmin = course.start_date.isoformat() if course.start_date else "" %}
{% set dmax = course.end_date.isoformat() if course.end_date else "" %}
<h2>Add a range</h2>
<form method="post" action="{{ url_for('instructor.schedule_generate') }}">
  <label>From <input type="date" name="start" required
                     value="{{ dmin }}" min="{{ dmin }}" max="{{ dmax }}"></label>
  <label>to <input type="date" name="end" required
                   value="{{ dmax }}" min="{{ dmin }}" max="{{ dmax }}"></label>
  <label>starting at <input type="time" name="start_time"></label>
  {% for i, name in weekdays %}
    <label><input type="checkbox" name="weekday" value="{{ i }}"> {{ name }}</label>
  {% endfor %}
  <button type="submit">Add class days</button>
</form>

<h2>Add a single day</h2>
<form method="post" action="{{ url_for('instructor.schedule_add') }}">
  <label>Date <input type="date" name="date" required
                     min="{{ dmin }}" max="{{ dmax }}"></label>
  <label>starting at <input type="time" name="start_time"></label>
  <button type="submit">Add</button>
</form>

{% if days %}
<h2>Class days</h2>
<table>
  {% for d in days %}
  <tr>
    <td {% if d.date < today %}class="muted"{% endif %}>
      {{ d.date.strftime("%a %b %-d, %Y") }}
      {% if d.start_time %}<span class="muted">{{ d.start_time.strftime("%H:%M") }}</span>{% endif %}
    </td>
    <td>
      <form method="post"
            action="{{ url_for('instructor.schedule_delete', day_id=d.id) }}">
        <button type="submit">Remove</button>
      </form>
    </td>
  </tr>
  {% endfor %}
</table>
{% endif %}
{% endblock %}