@extends('layouts.app')
@section('title', 'CI Dashboard')
@section('content')

<div class="d-flex flex-wrap align-items-center justify-content-between gap-2 mb-4">
    <div>
        <h4 class="page-title">Clinical Instructor Dashboard</h4>
        <p class="page-subtitle">{{ now()->format('l, d F Y') }}</p>
    </div>
    <div class="d-flex gap-2">
        <a href="{{ route('ci.profile') }}" class="btn btn-outline-secondary">
            <i class="bi bi-person-circle me-1"></i>My Profile
        </a>
        <a href="{{ route('ci.search') }}" class="btn btn-primary">
            <i class="bi bi-search me-1"></i>Find Student
        </a>
    </div>
</div>

{{-- ── Key numbers ────────────────────────────────────────────────────── --}}
<div class="row g-3 mb-4">
    <div class="col-6 col-lg-3">
        <div class="stat-tile h-100">
            <div class="stat-value">{{ $stats['students'] }}</div>
            <div class="stat-label mt-1">Assigned students</div>
        </div>
    </div>
    <div class="col-6 col-lg-3">
        <div class="stat-tile h-100 {{ $stats['pending'] > 0 ? 'stat-alert' : '' }}">
            <div class="stat-value {{ $stats['pending'] > 0 ? 'text-warning' : '' }}">{{ $stats['pending'] }}</div>
            <div class="stat-label mt-1">Reports pending</div>
        </div>
    </div>
    <div class="col-6 col-lg-3">
        <div class="stat-tile h-100">
            <div class="stat-value">{{ $stats['this_week'] }}</div>
            <div class="stat-label mt-1">Assessed this week</div>
        </div>
    </div>
    <div class="col-6 col-lg-3">
        <div class="stat-tile h-100">
            <div class="stat-value text-muted">{{ $stats['total_assessed'] }}</div>
            <div class="stat-label mt-1">Assessments total</div>
        </div>
    </div>
</div>

{{-- ── Reports pending ────────────────────────────────────────────────── --}}
@if($pendingReports->isNotEmpty())
<div class="card mb-4 border-warning-subtle">
    <div class="card-header bg-transparent d-flex align-items-center gap-2">
        <i class="bi bi-exclamation-triangle-fill text-warning"></i>
        <span class="fw-semibold">Clinical reports awaiting your submission</span>
        <span class="badge bg-warning-subtle text-warning-emphasis ms-auto">{{ $pendingReports->count() }}</span>
    </div>
    <div class="card-body p-0">
        @foreach($pendingReports as $assign)
        <a href="{{ route('ci.reports.edit', [$assign->student, $assign->semester]) }}" class="retry-item text-decoration-none">
            <span class="min-w-0 flex-grow-1">
                <span class="d-block small fw-semibold text-body text-truncate">{{ $assign->student->name }}</span>
                <span class="d-block text-muted text-truncate" style="font-size:.74rem">
                    {{ $assign->student->studentProfile?->student_id ?: '—' }} · {{ $assign->semester?->name }}
                </span>
            </span>
            <span class="btn btn-sm btn-outline-warning flex-shrink-0">
                Write report <i class="bi bi-arrow-right ms-1"></i>
            </span>
        </a>
        @endforeach
    </div>
</div>
@endif

<div class="row g-4">
    {{-- ── Assigned students ──────────────────────────────────────────── --}}
    <div class="col-xl-8">
        <div class="d-flex flex-wrap align-items-center justify-content-between gap-2 mb-2">
            <h6 class="proc-section-title mb-0"><i class="bi bi-people-fill text-primary"></i> My students</h6>

            <form method="GET" action="{{ route('ci.dashboard') }}" class="d-flex align-items-center gap-1 m-0">
                <select name="semester_id" class="form-select form-select-sm" style="min-width:190px"
                        onchange="this.form.submit()" aria-label="Filter by semester">
                    <option value="">Their current semester</option>
                    @foreach($assignableSemesters as $sem)
                    <option value="{{ $sem->id }}" @selected($selectedSemId == $sem->id)>{{ $sem->name }}</option>
                    @endforeach
                </select>
                @if($selectedSemId)
                <a href="{{ route('ci.dashboard') }}" class="btn btn-sm btn-outline-secondary" title="Clear filter">
                    <i class="bi bi-x-lg"></i>
                </a>
                @endif
            </form>
        </div>

        @if($assignments->isEmpty())
        <div class="card">
            <div class="card-body text-center text-muted py-5">
                <i class="bi bi-people d-block fs-3 mb-2 opacity-50"></i>
                @if($selectedSemId)
                <div class="small">No students assigned to you in that semester.</div>
                @else
                <div class="fw-semibold small">No students in their current semester</div>
                <div class="small">
                    You may still have assignments in other semesters — pick one from the filter above,
                    or use <a href="{{ route('ci.search') }}">Find Student</a>.
                </div>
                @endif
            </div>
        </div>
        @else
        <div class="row g-3">
            @foreach($assignments as $assign)
                @include('ci._student-card', ['assign' => $assign, 'progressMap' => $progressMap, 'reportDone' => $reportDone])
            @endforeach
        </div>
        @endif
    </div>

    {{-- ── Recent assessments ─────────────────────────────────────────── --}}
    <div class="col-xl-4">
        <h6 class="proc-section-title"><i class="bi bi-clock-history text-muted"></i> My recent assessments</h6>

        <div class="card">
            <div class="card-body p-0">
                @forelse($recent as $a)
                <div class="recent-item">
                    <div class="flex-shrink-0">
                        <span class="badge score-{{ $a->is_na ? 'na' : $a->score }}">{{ $a->is_na ? 'NA' : $a->score }}</span>
                    </div>
                    <div class="min-w-0 flex-grow-1">
                        <div class="small fw-semibold text-truncate">{{ $a->student?->name ?? 'Student removed' }}</div>
                        <div class="text-muted text-truncate" style="font-size:.74rem">{{ $a->procedure?->name }}</div>
                        <div class="text-muted" style="font-size:.72rem">
                            {{ $a->procedure?->semester?->name }} · {{ $a->assessment_date->format('d M Y') }}
                        </div>
                    </div>
                </div>
                @empty
                <div class="text-center text-muted py-4 px-3">
                    <i class="bi bi-clipboard-x d-block fs-4 mb-2 opacity-50"></i>
                    <div class="small">No assessments recorded yet.</div>
                    <div class="small">Scan a student's QR card to begin.</div>
                </div>
                @endforelse
            </div>
        </div>
    </div>
</div>
@endsection