@extends('layouts.school')

@section('title', 'Student Report Card')
@section('header', 'Student Report Card')

@section('content')
    <form method="GET" class="mb-6 flex flex-col gap-4 sm:flex-row sm:items-end">
        <div class="flex-1">
            <label class="block text-sm font-medium text-gray-700">Student</label>
            <select name="student_id" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                <option value="">Select student...</option>
                @foreach($students as $s)
                    <option value="{{ $s->id }}" {{ request('student_id') == $s->id ? 'selected' : '' }}>{{ $s->full_name }} ({{ $s->class?->name ?? 'N/A' }})</option>
                @endforeach
            </select>
        </div>
        <div class="flex-1">
            <label class="block text-sm font-medium text-gray-700">Exam (optional)</label>
            <select name="exam_id" class="mt-1 block w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500">
                <option value="">All Exams</option>
                @foreach($exams as $e)
                    <option value="{{ $e->id }}" {{ request('exam_id') == $e->id ? 'selected' : '' }}>{{ $e->name }} ({{ $e->classroom?->name }})</option>
                @endforeach
            </select>
        </div>
        <button type="submit" class="rounded-lg bg-primary-600 px-6 py-2 text-sm font-semibold text-white shadow-sm hover:bg-primary-700">Generate</button>
    </form>

    @if($student)
        <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 p-6 mb-6">
            <div class="flex items-center gap-4">
                <div class="flex h-14 w-14 items-center justify-center rounded-full bg-primary-100 text-primary-700 text-lg font-bold">
                    {{ $student->initials }}
                </div>
                <div>
                    <h2 class="text-lg font-bold text-gray-900">{{ $student->full_name }}</h2>
                    <p class="text-sm text-gray-500">{{ $student->admission_no }} &middot; {{ $student->class?->name ?? 'No class' }} &middot; {{ ucfirst($student->gender ?? '') }}</p>
                </div>
            </div>
        </div>

        {{-- Grades --}}
        @if($results->count())
            <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 overflow-hidden mb-6">
                <div class="border-b border-gray-200 px-6 py-4">
                    <h3 class="text-sm font-semibold text-gray-900 uppercase tracking-wide">Examination Results</h3>
                </div>
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Subject</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Exam</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Score</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Max</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">%</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Grade</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase">Remark</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-100">
                        @foreach($results as $r)
                            @php $pct = $r->max_marks > 0 ? round(($r->marks_obtained / $r->max_marks) * 100, 1) : 0; @endphp
                            <tr class="hover:bg-gray-50">
                                <td class="px-6 py-3 text-sm font-medium text-gray-900">{{ $r->subject?->name ?? '—' }}</td>
                                <td class="px-6 py-3 text-sm text-gray-600">{{ $r->exam?->name ?? '—' }}</td>
                                <td class="px-6 py-3 text-sm text-gray-900">{{ $r->marks_obtained }}</td>
                                <td class="px-6 py-3 text-sm text-gray-500">{{ $r->max_marks }}</td>
                                <td class="px-6 py-3 text-sm font-medium {{ $pct >= 50 ? 'text-green-600' : 'text-red-600' }}">{{ $pct }}%</td>
                                <td class="px-6 py-3 text-sm font-semibold text-gray-900">{{ $r->grade ?? '—' }}</td>
                                <td class="px-6 py-3 text-sm text-gray-500">{{ $r->remark ?? '—' }}</td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>

            @php
                $totalObtained = $results->sum('marks_obtained');
                $totalMax = $results->sum('max_marks');
                $avgPct = $totalMax > 0 ? round(($totalObtained / $totalMax) * 100, 1) : 0;
            @endphp
            <div class="grid grid-cols-3 gap-4 mb-6">
                <div class="rounded-xl bg-blue-50 p-4 text-center ring-1 ring-blue-200">
                    <p class="text-xs font-medium text-blue-700">Total Score</p>
                    <p class="mt-1 text-xl font-bold text-blue-900">{{ $totalObtained }} / {{ $totalMax }}</p>
                </div>
                <div class="rounded-xl bg-green-50 p-4 text-center ring-1 ring-green-200">
                    <p class="text-xs font-medium text-green-700">Average</p>
                    <p class="mt-1 text-xl font-bold text-green-900">{{ $avgPct }}%</p>
                </div>
                <div class="rounded-xl bg-purple-50 p-4 text-center ring-1 ring-purple-200">
                    <p class="text-xs font-medium text-purple-700">Subjects</p>
                    <p class="mt-1 text-xl font-bold text-purple-900">{{ $results->count() }}</p>
                </div>
            </div>
        @else
            <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 p-12 text-center text-sm text-gray-500">No results found for this student.</div>
        @endif

        {{-- Attendance --}}
        <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 p-6">
            <h3 class="mb-4 text-sm font-semibold text-gray-900 uppercase tracking-wide">Attendance Summary</h3>
            <div class="grid grid-cols-4 gap-4">
                <div class="text-center">
                    <p class="text-2xl font-bold text-gray-900">{{ $attendanceStats['total'] }}</p>
                    <p class="text-xs text-gray-500">Total Days</p>
                </div>
                <div class="text-center">
                    <p class="text-2xl font-bold text-green-600">{{ $attendanceStats['present'] }}</p>
                    <p class="text-xs text-gray-500">Present</p>
                </div>
                <div class="text-center">
                    <p class="text-2xl font-bold text-red-600">{{ $attendanceStats['absent'] }}</p>
                    <p class="text-xs text-gray-500">Absent</p>
                </div>
                <div class="text-center">
                    <p class="text-2xl font-bold text-amber-600">{{ $attendanceStats['late'] }}</p>
                    <p class="text-xs text-gray-500">Late</p>
                </div>
            </div>
            @if($attendanceStats['total'] > 0)
                <div class="mt-4">
                    <div class="flex items-center justify-between text-xs text-gray-500 mb-1">
                        <span>Attendance Rate</span>
                        <span class="font-medium">{{ round(($attendanceStats['present'] / $attendanceStats['total']) * 100, 1) }}%</span>
                    </div>
                    <div class="h-2 rounded-full bg-gray-200">
                        <div class="h-2 rounded-full bg-green-500" style="width: {{ round(($attendanceStats['present'] / $attendanceStats['total']) * 100) }}%"></div>
                    </div>
                </div>
            @endif
        </div>
    @else
        <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 p-12 text-center text-sm text-gray-500">Select a student above to view their report card.</div>
    @endif
@endsection