@extends('layouts.portal')
@php $editing = $batch->exists; $dateVal = fn ($d) => $d ? $d->format('Y-m-d') : null; @endphp
@section('title', $editing ? 'Edit batch' : 'New batch')
@section('subtitle', $editing ? ($batch->course?->title.' · '.$batch->batch_code) : 'Schedule a run of a course, assign a trainer and (optionally) generate the class calendar.')
@section('actions')<a class="btn btn-secondary btn-sm" href="{{ $editing ? route('admin.batches.show', $batch) : route('admin.batches.index') }}"><x-icon name="arrow-left" :size="16"/> {{ $editing ? 'Back to batch' : 'All batches' }}</a>@endsection

@section('content')
<form method="post" action="{{ $editing ? route('admin.batches.update', $batch) : route('admin.batches.store') }}" class="ad-form">
  @csrf
  @if($editing) @method('PUT') @endif
  <div class="ad-form-grid">
    <div>
      <section class="panel">
        <div class="panel-head"><h2>Course &amp; trainer</h2></div>
        <div class="panel-body">
          <div class="form-grid">
            <x-field name="course_id" label="Course" type="select" required blank="Choose a course…" :value="$batch->course_id" :options="$courses->pluck('title', 'id')->all()" full/>
            <x-field name="trainer_id" label="Trainer" type="select" blank="Assign later" :value="$batch->trainer_id" :options="$trainers->pluck('name', 'id')->all()" help="The trainer is emailed when assigned."/>
            <x-field name="batch_code" label="Batch code" :value="$batch->batch_code" placeholder="auto-generated" help="Leave blank to generate one from the exam code and month."/>
          </div>
        </div>
      </section>

      <section class="panel">
        <div class="panel-head"><h2>Dates &amp; seats</h2></div>
        <div class="panel-body">
          <div class="form-grid-3">
            <x-field name="start_date" label="Start date" type="date" :value="$dateVal($batch->start_date)"/>
            <x-field name="end_date" label="End date" type="date" :value="$dateVal($batch->end_date)"/>
            <x-field name="enrollment_deadline" label="Enrollment deadline" type="date" :value="$dateVal($batch->enrollment_deadline)"/>
            <x-field name="seat_limit" label="Seats" type="number" min="1" max="500" :value="$batch->seat_limit" help="Blank means unlimited."/>
            <x-field name="fee" label="Fee (PKR)" type="number" min="0" step="1" :value="$batch->fee !== null ? (int) $batch->fee : null" help="Blank uses the course fee."/>
            <x-field name="min_attendance_percent" label="Min. attendance %" type="number" min="0" max="100" :value="$batch->min_attendance_percent" help="For the certificate. Blank uses the default ({{ config('infotics.attendance.min_percent', 75) }}%)."/>
          </div>
        </div>
      </section>

      <section class="panel">
        <div class="panel-head"><h2>Delivery</h2></div>
        <div class="panel-body">
          <div class="form-grid">
            <x-field name="mode" label="Mode" type="select" required :value="$batch->mode ?: 'online'" :options="['online' => 'Online (live)', 'onsite' => 'On-site', 'hybrid' => 'Hybrid']"/>
            <x-field name="timezone" label="Timezone" required :value="$batch->timezone ?: 'Asia/Karachi'" help="e.g. Asia/Karachi"/>
            <x-field name="platform" label="Platform" :value="$batch->platform" placeholder="Zoom, Microsoft Teams, Google Meet"/>
            <x-field name="meeting_provider" label="Class platform" type="select" :value="old('meeting_provider', $batch->meeting_provider ?: config('meetings.default'))" :options="\App\Meetings\MeetingManager::options()"/>
            <x-field name="meeting_url" label="Meeting link" type="url" :value="$batch->meeting_url" placeholder="https://…" help="Copied onto each class. Leave empty to create one recurring link automatically (Zoom or Google Meet)."/>
            <x-field name="location" label="Venue (on-site / hybrid)" :value="$batch->location" placeholder="Campus, room, city" full/>
            <x-field name="session_minutes" label="Class length (minutes)" type="number" min="15" max="480" :value="$batch->session_minutes ?: 120"/>
            <x-field name="schedule" label="Schedule text" :value="$batch->schedule" placeholder="e.g. Mon, Wed · 8:00 PM" help="Shown on the website. Filled automatically if you generate classes below."/>
          </div>
        </div>
      </section>

      @unless($editing)
      <section class="panel">
        <div class="panel-head"><h2>Generate class calendar</h2><span class="xs muted">Optional. Needs a start date.</span></div>
        <div class="panel-body">
          <fieldset class="ad-days" style="border:0;padding:0;margin:0 0 16px">
            <legend class="label">Days of the week</legend>
            <div class="row gap-1">
              @foreach([1 => 'Mon', 2 => 'Tue', 3 => 'Wed', 4 => 'Thu', 5 => 'Fri', 6 => 'Sat', 0 => 'Sun'] as $d => $lab)
                <label class="ad-day"><input type="checkbox" name="auto_weekdays[]" value="{{ $d }}" @checked(in_array((string) $d, array_map('strval', (array) old('auto_weekdays', [])), true))><span>{{ $lab }}</span></label>
              @endforeach
            </div>
            @error('auto_weekdays')<div class="field-error">{{ $message }}</div>@enderror
          </fieldset>
          <div class="form-grid">
            <x-field name="auto_time" label="Class start time" type="time" :value="'20:00'"/>
            <x-field name="auto_count" label="Number of classes" type="number" min="1" max="120" :value="12" help="Weekly pattern repeats from the start date until this many classes exist."/>
            <div class="field full"><label class="check"><input type="hidden" name="auto_notify" value="0"><input type="checkbox" name="auto_notify" value="1" @checked(old('auto_notify'))> <span>Email the calendar (.ics) to the trainer now</span></label><div class="help">Learners are notified when their enrollment is activated. You can also send the full schedule later from the batch page.</div></div>
          </div>
        </div>
      </section>
      @endunless
    </div>

    <aside>
      <section class="panel">
        <div class="panel-head"><h2>Status</h2></div>
        <div class="panel-body">
          <x-field name="status" label="Batch status" type="select" required :value="$batch->status ?: 'Upcoming'" :options="array_combine($statuses, $statuses)"/>
          <ul class="small muted" style="padding-left:1.1rem;margin:0">
            <li><b>Upcoming / Open</b>: learners can enroll.</li>
            <li><b>Full</b>: no more seats.</li>
            <li><b>Running</b>: classes in progress.</li>
            <li><b>Completed</b>: use &ldquo;Complete batch&rdquo; on the batch page to issue certificates.</li>
          </ul>
        </div>
      </section>
    </aside>
  </div>
  <div class="ad-actionbar">
    <a class="btn btn-secondary" href="{{ $editing ? route('admin.batches.show', $batch) : route('admin.batches.index') }}">Cancel</a>
    <button class="btn btn-primary" type="submit"><x-icon name="check-circle" :size="18"/> {{ $editing ? 'Save batch' : 'Create batch' }}</button>
  </div>
</form>
@endsection