{% extends "base.html" %}
{% block title %}{{ title }}{% endblock %}
{% block content %}
<div class="row justify-content-center">
  <div class="col-lg-8">
    <h2 class="mb-4"><i class="bi bi-calendar2-week"></i> {{ title }}</h2>

    <form method="POST" class="card shadow-sm">
      <div class="card-body">
        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">

        <div class="mb-3">
          <label class="form-label">Schedule name</label>
          <input type="text" name="name" class="form-control" required
                 value="{{ schedule.name if schedule else '' }}"
                 placeholder="e.g. Weekly restroom check — Main Office">
        </div>

        <div class="row">
          <div class="col-md-6 mb-3">
            <label class="form-label">Template</label>
            <select name="template_id" class="form-select" required>
              <option value="">— Choose a template —</option>
              {% for t in templates %}
              <option value="{{ t.id }}"
                {{ 'selected' if schedule and schedule.template_id == t.id }}>{{ t.name }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="col-md-6 mb-3">
            <label class="form-label">Frequency</label>
            <select name="frequency" id="frequencySelect" class="form-select" required>
              {% for f in frequencies %}
              <option value="{{ f }}"
                {{ 'selected' if (schedule and schedule.frequency == f) or (not schedule and f == 'weekly') }}>
                {{ frequency_labels.get(f, f|title) }}</option>
              {% endfor %}
            </select>
          </div>
        </div>

        {# ── Recurrence detail (phase46) ────────────────────────────────────
           Only the block matching the chosen frequency is shown; the server
           validates the same block and clears the others on save. #}
        <div class="row" id="weeklyBlock" style="display:none;">
          <div class="col-12 mb-3">
            <label class="form-label">Days of the Week</label>
            <div class="d-flex flex-wrap gap-3">
              {% set picked = schedule.weekday_list if schedule else [] %}
              {% for i, day in [(0,'Mon'),(1,'Tue'),(2,'Wed'),(3,'Thu'),(4,'Fri'),(5,'Sat'),(6,'Sun')] %}
              <div class="form-check">
                <input class="form-check-input" type="checkbox" name="weekdays"
                       value="{{ i }}" id="wd{{ i }}" {{ 'checked' if i in picked }}>
                <label class="form-check-label" for="wd{{ i }}">{{ day }}</label>
              </div>
              {% endfor %}
            </div>
            <div class="form-text">
              Leave the start date on any day — it snaps forward to the first
              day you pick here.
            </div>
          </div>
        </div>

        <div class="row" id="monthlyBlock" style="display:none;">
          <div class="col-md-4 mb-3">
            <label class="form-label">Rule</label>
            <select name="month_mode" id="monthModeSelect" class="form-select">
              <option value="day_of_month"
                {{ 'selected' if not schedule or schedule.month_mode != 'nth_weekday' }}>
                On a day of the month</option>
              <option value="nth_weekday"
                {{ 'selected' if schedule and schedule.month_mode == 'nth_weekday' }}>
                On a weekday of the month</option>
            </select>
          </div>
          <div class="col-md-4 mb-3" id="dayOfMonthField">
            <label class="form-label">Day of Month</label>
            <input type="number" name="day_of_month" class="form-control"
                   min="1" max="31"
                   value="{{ schedule.day_of_month if schedule and schedule.day_of_month else '' }}">
            <div class="form-text">Clamped to the last day in shorter months.</div>
          </div>
          <div class="col-md-4 mb-3" id="nthWeekdayField">
            <div class="row g-2">
              <div class="col-6">
                <label class="form-label">Week</label>
                <select name="nth_week" class="form-select">
                  {% for v, lbl in [(1,'1st'),(2,'2nd'),(3,'3rd'),(4,'4th'),(5,'5th'),(-1,'Last')] %}
                  <option value="{{ v }}"
                    {{ 'selected' if schedule and schedule.nth_week == v }}>{{ lbl }}</option>
                  {% endfor %}
                </select>
              </div>
              <div class="col-6">
                <label class="form-label">Weekday</label>
                <select name="nth_weekday" class="form-select">
                  {% for i, day in [(0,'Monday'),(1,'Tuesday'),(2,'Wednesday'),(3,'Thursday'),(4,'Friday'),(5,'Saturday'),(6,'Sunday')] %}
                  <option value="{{ i }}"
                    {{ 'selected' if schedule and schedule.nth_weekday == i }}>{{ day }}</option>
                  {% endfor %}
                </select>
              </div>
            </div>
          </div>
        </div>

        <div class="row">
          <div class="col-md-6 mb-3">
            <label class="form-label" id="dueDateLabel">
              {{ 'Next Due Date' if schedule else 'Start Date' }}
            </label>
            <input type="date" name="next_due_date" class="form-control"
                   value="{{ schedule.due_date.isoformat() if schedule and schedule.due_date else '' }}">
            <div class="form-text">
              {% if schedule %}
                When the next occurrence is due. Leave unchanged and saving will
                not move it.
              {% else %}
                Leave blank to start one full period from now.
              {% endif %}
            </div>
          </div>
          <div class="col-md-6 mb-3" id="endDateBlock">
            <label class="form-label">End Date <span class="text-muted small">(optional)</span></label>
            <input type="date" name="end_date" class="form-control"
                   value="{{ schedule.end_date.isoformat() if schedule and schedule.end_date else '' }}">
            <div class="form-text">
              Last date this schedule may produce an occurrence. Blank = repeats
              indefinitely.
            </div>
          </div>
        </div>

        <div class="row">
          <div class="col-md-6 mb-3">
            <label class="form-label">Mode</label>
            <select name="mode" class="form-select">
              <option value="auto" {{ 'selected' if not schedule or schedule.mode != 'plan' }}>
                Auto — create the inspection automatically each period</option>
              <option value="plan" {{ 'selected' if schedule and schedule.mode == 'plan' }}>
                Plan — inspector presses Start (with due/overdue reminders)</option>
            </select>
            <div class="form-text">
              Auto drops an in-progress inspection into the inspector's queue on
              schedule. Plan assigns a due date and reminds them the day before, on
              the day, and alerts managers once it's overdue.
            </div>
          </div>
          <div class="col-md-6 mb-3">
            <label class="form-label">Notes for the inspector <span class="text-muted small">(optional)</span></label>
            <textarea name="notes" class="form-control" rows="2"
                      placeholder="Anything the inspector should know before starting">{{ schedule.notes if schedule and schedule.notes else '' }}</textarea>
            <div class="form-text">Copied onto the inspection when it starts.</div>
          </div>
        </div>

        <div class="row">
          <div class="col-md-6 mb-3">
            <label class="form-label">Facility</label>
            <select name="facility_id" id="facilitySelect" class="form-select" required>
              <option value="">— Choose a facility —</option>
              {% for f in facilities %}
              <option value="{{ f.id }}"
                {{ 'selected' if schedule and schedule.facility_id == f.id }}>{{ f.name }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="col-md-6 mb-3">
            <label class="form-label">Area <span class="text-muted small">(optional)</span></label>
            <select name="area_id" id="areaSelect" class="form-select">
              <option value="">— Whole facility —</option>
              {% if schedule and schedule.area %}
              <option value="{{ schedule.area.id }}" selected>{{ schedule.area.name }}</option>
              {% endif %}
            </select>
          </div>
        </div>

        <div class="mb-3">
          <label class="form-label">Assign to inspector</label>
          <select name="inspector_id" class="form-select" required>
            <option value="">— Choose an inspector —</option>
            {% for u in inspectors %}
            <option value="{{ u.id }}"
              {{ 'selected' if schedule and schedule.inspector_id == u.id }}>
              {{ u.display_name }} ({{ u.role }})</option>
            {% endfor %}
          </select>
        </div>

        {% if schedule %}
        <div class="form-check form-switch mb-1">
          <input class="form-check-input" type="checkbox" name="active" id="activeSwitch"
                 {{ 'checked' if schedule.active }}>
          <label class="form-check-label" for="activeSwitch">Active</label>
        </div>
        <p class="text-muted small">
          Current {{ 'due date' if schedule.mode == 'plan' else 'run' }}:
          {{ schedule.next_run_at.strftime('%Y-%m-%d %H:%M') if schedule.next_run_at else '—' }}
          {% if schedule.last_completed_at %}
          · last completed {{ schedule.last_completed_at.strftime('%Y-%m-%d %H:%M') }}
          {% endif %}
          {% if schedule.end_date %}· ends {{ schedule.end_date.strftime('%Y-%m-%d') }}{% endif %}
          <br>
          Reminders for this occurrence are only reset if the due date actually
          moves, so renaming or re-noting a schedule will not re-send them.
        </p>
        {% endif %}
      </div>

      <div class="card-footer d-flex justify-content-between">
        <a href="{{ url_for('inspection_schedules.index') }}" class="btn btn-outline-secondary">Cancel</a>
        <button type="submit" class="btn btn-primary">
          <i class="bi bi-check-lg"></i> Save Schedule
        </button>
      </div>
    </form>
  </div>
</div>

<script>
// Recurrence blocks follow the chosen frequency (phase46/47).
// Display only — the server re-validates and clears the unused blocks on save.
(function () {
  var freq       = document.getElementById('frequencySelect');
  var weekly     = document.getElementById('weeklyBlock');
  var monthly    = document.getElementById('monthlyBlock');
  var monthMode  = document.getElementById('monthModeSelect');
  var domField   = document.getElementById('dayOfMonthField');
  var nthField   = document.getElementById('nthWeekdayField');
  var endBlock   = document.getElementById('endDateBlock');
  var dueLabel   = document.getElementById('dueDateLabel');
  var isEdit     = {{ 'true' if schedule else 'false' }};
  var MONTHLY    = ['monthly', 'quarterly', 'bi-annually', 'annually'];

  function syncMonthMode() {
    if (!monthMode || !domField || !nthField) return;
    var nth = monthMode.value === 'nth_weekday';
    domField.style.display = nth ? 'none' : '';
    nthField.style.display = nth ? '' : 'none';
  }

  function sync() {
    if (!freq) return;
    var v = freq.value;
    if (weekly)  weekly.style.display  = (v === 'weekly') ? '' : 'none';
    if (monthly) monthly.style.display = (MONTHLY.indexOf(v) !== -1) ? '' : 'none';
    // A one-time schedule has no end date — it closes when it is completed.
    if (endBlock) endBlock.style.display = (v === 'once') ? 'none' : '';
    if (dueLabel) {
      dueLabel.textContent = isEdit ? 'Next Due Date'
                                    : (v === 'once' ? 'Date' : 'Start Date');
    }
    syncMonthMode();
  }

  if (freq)      freq.addEventListener('change', sync);
  if (monthMode) monthMode.addEventListener('change', syncMonthMode);
  sync();
})();

// Facility → Area cascade, reusing the existing inspections AJAX endpoint.
(function () {
  var facilitySelect = document.getElementById('facilitySelect');
  var areaSelect     = document.getElementById('areaSelect');
  if (!facilitySelect || !areaSelect) return;

  var preselectedAreaId = {{ (schedule.area_id if schedule and schedule.area_id else 0) | tojson }};

  function loadAreas(facilityId, keepSelection) {
    areaSelect.innerHTML = '<option value="">— Whole facility —</option>';
    if (!facilityId) return;
    fetch('{{ url_for('inspections.areas_for_facility', facility_id=0) }}'.replace('/0', '/' + facilityId))
      .then(function (r) { return r.json(); })
      .then(function (areas) {
        areas.forEach(function (a) {
          var opt = document.createElement('option');
          opt.value = a.id;
          opt.textContent = a.name;
          if (keepSelection && a.id === preselectedAreaId) opt.selected = true;
          areaSelect.appendChild(opt);
        });
      })
      .catch(function () { /* leave the whole-facility default in place */ });
  }

  facilitySelect.addEventListener('change', function () {
    preselectedAreaId = 0;
    loadAreas(this.value, false);
  });

  // On edit load, refresh the area list for the saved facility and keep the saved area.
  if (facilitySelect.value) loadAreas(facilitySelect.value, true);
})();
</script>
{% endblock %}