@extends('layouts.app')

@section('content')
    <div class="max-w-2xl mx-auto space-y-8">
        <div class="flex items-center gap-4 mb-4">
            <a href="{{ route('admin.subjects.index') }}" class="btn-icon-slate">
                <span class="material-icons-round">arrow_back</span>
            </a>
            <h2 class="text-3xl font-bold text-slate-800">Edit Subject</h2>
        </div>

        <div
            class="glass-panel p-8 rounded-2xl relative overflow-hidden bg-white border border-slate-200 shadow-xl shadow-slate-200/50">
            <form action="{{ route('admin.subjects.update', $subject) }}" method="POST"
                class="space-y-6 relative z-10 grid grid-cols-1">
                @csrf
                @method('PUT')
                <div>
                    <label class="block text-xs font-semibold text-slate-500 uppercase tracking-wide mb-2">Semester</label>
                    <select name="semester_id" class="form-input bg-white text-slate-800">
                        <option value="">Select Semester</option>
                        @foreach($semesters as $sem)
                            <option value="{{ $sem->id }}" {{ $subject->semester_id == $sem->id ? 'selected' : '' }}>
                                {{ $sem->department->code }} - {{ $sem->name }}
                            </option>
                        @endforeach
                    </select>
                    @error('semester_id') <span class="text-red-500 text-xs mt-1">{{ $message }}</span> @enderror
                </div>

                <div>
                    <label class="block text-xs font-semibold text-slate-500 uppercase tracking-wide mb-2">Subject
                        Category</label>
                    <select name="subject_main_category_id" class="form-input bg-white text-slate-800">
                        <option value="">Select Category (Optional)</option>
                        @foreach($categories as $category)
                            <option value="{{ $category->id }}" {{ $subject->subject_main_category_id == $category->id ? 'selected' : '' }}>
                                {{ $category->name }}
                            </option>
                        @endforeach
                    </select>
                    @error('subject_main_category_id') <span class="text-red-500 text-xs mt-1">{{ $message }}</span>
                    @enderror
                </div>

                <div>
                    <label class="block text-xs font-semibold text-slate-500 uppercase tracking-wide mb-2">Subject
                        Name</label>
                    <input type="text" name="name" class="form-input" placeholder="e.g. Data Structures"
                        value="{{ old('name', $subject->name) }}" required>
                    @error('name') <span class="text-red-500 text-xs mt-1">{{ $message }}</span> @enderror
                </div>

                <div>
                    <label class="block text-xs font-semibold text-slate-500 uppercase tracking-wide mb-2">Subject
                        Code</label>
                    <input type="text" name="code" class="form-input" placeholder="e.g. CS201"
                        value="{{ old('code', $subject->code) }}" required>
                    @error('code') <span class="text-red-500 text-xs mt-1">{{ $message }}</span> @enderror
                </div>

                <div>
                    <label class="block text-xs font-semibold text-slate-500 uppercase tracking-wide mb-2">Credits</label>
                    <input type="number" name="credits" class="form-input" placeholder="e.g. 3"
                        value="{{ old('credits', $subject->credits) }}" min="1" max="10" required>
                    @error('credits') <span class="text-red-500 text-xs mt-1">{{ $message }}</span> @enderror
                </div>

                <div class="pt-4">
                    <button type="submit" class="btn-primary w-full md:w-auto">
                        <span class="material-icons-round text-sm">save</span> Update Subject
                    </button>
                </div>
            </form>
        </div>
    </div>
@endsection