@extends('layouts.app')

@section('content')
<div class="container-fluid py-4">

    {{-- PAGE HEADER --}}
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h2 class="fw-bold text-primary mb-0">
            Welcome, {{ auth()->user()->name ?? 'Lead Trainer' }}
        </h2>
        <span class="badge bg-success fs-6 py-2 px-3">
            Manage Trainers
        </span>
    </div>

    {{-- SUCCESS MESSAGE --}}
    @if (session('success'))
        <div class="alert alert-success alert-dismissible fade show shadow-sm" role="alert">
            <i class="bi bi-check-circle-fill me-2"></i>{{ session('success') }}
            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
        </div>
    @endif

    {{-- TRAINERS TABLE --}}
    @if (isset($trainers) && $trainers->count() > 0)
        <div class="card border-0 shadow-lg rounded-4">
            <div class="card-header bg-gradient text-white" style="background: linear-gradient(90deg, #0d6efd, #6610f2);">
                <h5 class="mb-0">
                    <i class="bi bi-people-fill me-2"></i>Assigned Trainers
                </h5>
            </div>
            <div class="card-body p-4">
                <div class="table-responsive">
                    <table class="table table-hover align-middle text-center">
                        <thead class="table-light">
                            <tr>
                                <th>#</th>
                                <th>Trainer Name</th>
                                <th>Email</th>
                                <th>Phone</th>
                                <th>Center</th>
                                <th>Classrooms</th>
                                <th>Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach ($trainers as $index => $trainer)
                                <tr>
                                    <td class="fw-bold text-muted">{{ $index + 1 }}</td>
                                    <td>{{ $trainer->name ?? 'N/A' }}</td>
                                    <td>{{ $trainer->email ?? 'N/A' }}</td>
                                    <td>{{ $trainer->phone ?? 'N/A' }}</td>
                                    <td>
                                        <span class="badge bg-primary-subtle text-primary px-3 py-2">
                                            {{ $trainer->center->name ?? 'N/A' }}
                                        </span>
                                    </td>
                                    <td>
                                        @php
                                            // Get classrooms from trainerAssignments
                                            $classrooms = $trainer->trainerAssignments->pluck('classRoom.class_number')->filter();
                                        @endphp
                                        @if($classrooms->count() > 0)
                                            <span class="text-dark fw-semibold">
                                                {{ $classrooms->join(', ') }}
                                            </span>
                                        @else
                                            <span class="text-muted fst-italic">No classrooms assigned</span>
                                        @endif
                                    </td>
                                    <td>
                                        <a href="{{ route('trainers.edit', $trainer->id) }}" class="btn btn-sm btn-outline-primary me-1">
                                            <i class="bi bi-pencil-square"></i>
                                        </a>
                                        <form action="{{ route('trainers.destroy', $trainer->id) }}" method="POST" class="d-inline">
                                            @csrf
                                            @method('DELETE')
                                            <button type="submit" class="btn btn-sm btn-outline-danger"
                                                onclick="return confirm('Are you sure you want to remove this trainer?')">
                                                <i class="bi bi-trash3"></i>
                                            </button>
                                        </form>
                                    </td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>

                {{-- Pagination removed --}}
            </div>
        </div>
    @else
        <div class="alert alert-info text-center mt-4 shadow-sm">
            <i class="bi bi-info-circle me-2"></i>
            No trainers assigned to your center yet.
        </div>
    @endif

</div>
@endsection