@extends('layouts.app')

@section('content')
    <div class="space-y-6">
        <!-- Header with Back Button -->
        <div class="flex items-center justify-between">
            <div class="flex items-center gap-4">
                <a href="{{ route('admin.staff.index') }}" class="btn-icon-slate">
                    <span class="material-icons-round">arrow_back</span>
                </a>
                <div>
                    <h1 class="text-3xl font-black text-slate-900">Staff Member Details</h1>
                    <p class="text-slate-500 mt-1">View complete profile and assigned subjects</p>
                </div>
            </div>
            <div class="flex gap-2">
                <a href="{{ route('admin.staff.edit', $staff) }}" class="btn-primary">
                    <span class="material-icons-round text-sm">edit</span>
                    <span>Edit Staff</span>
                </a>
            </div>
        </div>

        <!-- Personal Information Card -->
        <div class="glass-card p-8">
            <div class="flex items-start gap-6">
                <!-- Avatar -->
                <div class="flex-shrink-0">
                    <div
                        class="w-24 h-24 rounded-2xl bg-gradient-to-br from-brand-primary to-brand-secondary flex items-center justify-center text-white shadow-lg">
                        <span class="text-4xl font-black">{{ strtoupper(substr($staff->name, 0, 1)) }}</span>
                    </div>
                </div>

                <!-- Details Grid -->
                <div class="flex-1 grid grid-cols-1 md:grid-cols-2 gap-6">
                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Full Name</label>
                        <p class="text-lg font-black text-slate-900 mt-1">{{ $staff->name }}</p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Staff ID</label>
                        <p class="text-lg font-black text-slate-900 mt-1">{{ $staff->staff_id }}</p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Email Address</label>
                        <p class="text-lg font-bold text-slate-700 mt-1">{{ $staff->email }}</p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Date of Birth</label>
                        <p class="text-lg font-bold text-slate-700 mt-1">
                            {{ \Carbon\Carbon::parse($staff->dob)->format('F d, Y') }}</p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Subject Category</label>
                        <p class="text-lg font-bold text-slate-700 mt-1">
                            @if($staff->subjectMainCategory)
                                <span
                                    class="inline-flex items-center gap-2 px-3 py-1 rounded-lg bg-brand-primary/10 text-brand-primary">
                                    <span class="material-icons-round text-sm">category</span>
                                    {{ $staff->subjectMainCategory->name }}
                                </span>
                            @else
                                <span class="text-slate-400">Not Assigned</span>
                            @endif
                        </p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Account Status</label>
                        <p class="text-lg font-bold mt-1">
                            @if($staff->is_confirmed)
                                <span class="inline-flex items-center gap-2 px-3 py-1 rounded-lg bg-green-100 text-green-700">
                                    <span class="material-icons-round text-sm">check_circle</span>
                                    Confirmed
                                </span>
                            @else
                                <span class="inline-flex items-center gap-2 px-3 py-1 rounded-lg bg-amber-100 text-amber-700">
                                    <span class="material-icons-round text-sm">pending</span>
                                    Pending Confirmation
                                </span>
                            @endif
                        </p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Member Since</label>
                        <p class="text-lg font-bold text-slate-700 mt-1">{{ $staff->created_at->format('F d, Y') }}</p>
                    </div>

                    <div>
                        <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Total Subjects</label>
                        <p class="text-lg font-black text-brand-primary mt-1">{{ $subjects->count() }}
                            Subject{{ $subjects->count() !== 1 ? 's' : '' }}</p>
                    </div>
                </div>
            </div>
        </div>

        <!-- Assigned Subjects Section -->
        <div class="glass-card p-6">
            <div class="flex items-center justify-between mb-6">
                <div>
                    <h2 class="text-xl font-black text-slate-900">Assigned Subjects</h2>
                    <p class="text-sm text-slate-500 mt-1">Subjects currently taught by this faculty member</p>
                </div>
                <div class="px-4 py-2 rounded-xl bg-brand-primary/10 border border-brand-primary/20">
                    <span class="text-2xl font-black text-brand-primary">{{ $subjects->count() }}</span>
                    <span class="text-xs font-bold text-brand-primary/70 ml-2">Total</span>
                </div>
            </div>

            @if($subjects->count() > 0)
                <div class="space-y-3">
                    @foreach($subjects as $subject)
                        <div class="p-5 rounded-xl border border-slate-200 bg-white hover:shadow-md transition-all">
                            <div class="flex items-start justify-between">
                                <div class="flex-1">
                                    <div class="flex items-center gap-3 mb-2">
                                        <div
                                            class="w-10 h-10 rounded-lg bg-gradient-to-br from-blue-500 to-purple-500 flex items-center justify-center text-white shadow-sm">
                                            <span class="material-icons-round text-sm">menu_book</span>
                                        </div>
                                        <div>
                                            <h3 class="text-lg font-black text-slate-900">{{ $subject['name'] }}</h3>
                                            <p class="text-xs font-bold text-slate-400 uppercase tracking-wider">
                                                {{ $subject['code'] }}</p>
                                        </div>
                                    </div>

                                    <div class="grid grid-cols-2 md:grid-cols-4 gap-4 mt-4">
                                        <div>
                                            <label
                                                class="text-xs font-bold text-slate-400 uppercase tracking-wider">Department</label>
                                            <p class="text-sm font-bold text-slate-700 mt-1">{{ $subject['department'] }}</p>
                                        </div>

                                        <div>
                                            <label
                                                class="text-xs font-bold text-slate-400 uppercase tracking-wider">Semester</label>
                                            <p class="text-sm font-bold text-slate-700 mt-1">{{ $subject['semester'] }}</p>
                                        </div>

                                        <div>
                                            <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Credits</label>
                                            <p class="text-sm font-bold text-slate-700 mt-1">{{ $subject['credits'] }} Credits</p>
                                        </div>

                                        <div>
                                            <label class="text-xs font-bold text-slate-400 uppercase tracking-wider">Students
                                                Enrolled</label>
                                            <p class="text-sm font-black mt-1">
                                                <span class="text-brand-primary">{{ $subject['student_count'] }}</span>
                                                <span class="text-slate-400">/ {{ $subject['student_limit'] }}</span>
                                            </p>
                                            <!-- Progress Bar -->
                                            <div class="mt-2 h-2 bg-slate-100 rounded-full overflow-hidden">
                                                @php
                                                    $percentage = $subject['student_limit'] > 0 ? ($subject['student_count'] / $subject['student_limit']) * 100 : 0;
                                                    $colorClass = $percentage >= 90 ? 'bg-red-500' : ($percentage >= 70 ? 'bg-amber-500' : 'bg-green-500');
                                                @endphp
                                                <div class="{{ $colorClass }} h-full transition-all"
                                                    style="width: {{ min($percentage, 100) }}%"></div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    @endforeach
                </div>
            @else
                <div class="text-center py-12">
                    <div class="w-20 h-20 rounded-full bg-slate-100 flex items-center justify-center mx-auto mb-4">
                        <span class="material-icons-round text-4xl text-slate-300">auto_stories</span>
                    </div>
                    <h3 class="text-lg font-black text-slate-700 mb-2">No Subjects Assigned</h3>
                    <p class="text-sm text-slate-500">This staff member has not been assigned any subjects yet.</p>
                </div>
            @endif
        </div>

        <!-- Statistics Cards -->
        <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
            <!-- Total Students Card -->
            <div class="glass-card p-6">
                <div class="flex items-center gap-4">
                    <div class="w-14 h-14 rounded-xl bg-blue-100 flex items-center justify-center">
                        <span class="material-icons-round text-2xl text-blue-600">groups</span>
                    </div>
                    <div>
                        <p class="text-xs font-bold text-slate-400 uppercase tracking-wider">Total Students</p>
                        <p class="text-2xl font-black text-slate-900 mt-1">{{ $subjects->sum('student_count') }}</p>
                    </div>
                </div>
            </div>

            <!-- Total Credits Card -->
            <div class="glass-card p-6">
                <div class="flex items-center gap-4">
                    <div class="w-14 h-14 rounded-xl bg-purple-100 flex items-center justify-center">
                        <span class="material-icons-round text-2xl text-purple-600">school</span>
                    </div>
                    <div>
                        <p class="text-xs font-bold text-slate-400 uppercase tracking-wider">Total Credits</p>
                        <p class="text-2xl font-black text-slate-900 mt-1">{{ $subjects->sum('credits') }}</p>
                    </div>
                </div>
            </div>

            <!-- Average Class Size Card -->
            <div class="glass-card p-6">
                <div class="flex items-center gap-4">
                    <div class="w-14 h-14 rounded-xl bg-green-100 flex items-center justify-center">
                        <span class="material-icons-round text-2xl text-green-600">analytics</span>
                    </div>
                    <div>
                        <p class="text-xs font-bold text-slate-400 uppercase tracking-wider">Avg Class Size</p>
                        <p class="text-2xl font-black text-slate-900 mt-1">
                            {{ $subjects->count() > 0 ? round($subjects->sum('student_count') / $subjects->count(), 1) : 0 }}
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection