@extends('layouts.admin')

@section('title', 'Edit Trainer')

@section('breadcrumb')
    <li class="breadcrumb-item"><a href="{{ route('admin.trainers.index') }}">Trainers</a></li>
    <li class="breadcrumb-item active">Edit Trainer</li>
@endsection

@section('content')
<div class="container-fluid">
    <div class="row">
        <div class="col-md-12">
            <!-- general form elements -->
            <div class="card card-primary">
                <div class="card-header">
                    <h3 class="card-title">Edit Trainer: {{ $trainer->name }}</h3>
                </div>
                <!-- /.card-header -->
                <!-- form start -->
                <form action="{{ route('admin.trainers.update', $trainer) }}" method="POST" enctype="multipart/form-data">
                    @csrf
                    @method('PUT')
                    <div class="card-body">
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="name">Name</label>
                                    <input type="text" class="form-control @error('name') is-invalid @enderror" id="name" name="name" value="{{ old('name', $trainer->name) }}" placeholder="Enter trainer name" required>
                                    @error('name')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="title">Title/Position</label>
                                    <input type="text" class="form-control @error('title') is-invalid @enderror" id="title" name="title" value="{{ old('title', $trainer->title) }}" placeholder="e.g. Fitness Coach">
                                    @error('title')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                </div>
                            </div>
                        </div>

                        <div class="form-group">
                            <label for="image">Image</label>
                            @if($trainer->image)
                                <div class="mb-2">
                                    <img src="{{ asset('storage/' . $trainer->image) }}" alt="Current Image" width="100" class="img-thumbnail">
                                </div>
                            @endif
                            <div class="input-group">
                                <div class="custom-file">
                                    <input type="file" class="custom-file-input @error('image') is-invalid @enderror" id="image" name="image">
                                    <label class="custom-file-label" for="image">Choose file</label>
                                </div>
                            </div>
                            <small class="form-text text-muted">Leave blank to keep current image.</small>
                            @error('image')
                                <span class="text-danger text-sm">{{ $message }}</span>
                            @enderror
                        </div>

                        <div class="form-group">
                            <label for="bio">Bio (About Me)</label>
                            <textarea class="form-control @error('bio') is-invalid @enderror" id="bio" name="bio" rows="4" placeholder="Enter bio">{{ old('bio', $trainer->bio) }}</textarea>
                            @error('bio')
                                <span class="invalid-feedback">{{ $message }}</span>
                            @enderror
                        </div>

                        <div class="row">
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label for="phone">Phone</label>
                                    <input type="text" class="form-control @error('phone') is-invalid @enderror" id="phone" name="phone" value="{{ old('phone', $trainer->phone) }}" placeholder="Phone number">
                                    @error('phone')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label for="email">Email</label>
                                    <input type="email" class="form-control @error('email') is-invalid @enderror" id="email" name="email" value="{{ old('email', $trainer->email) }}" placeholder="Email address">
                                    @error('email')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label for="location">Location</label>
                                    <input type="text" class="form-control @error('location') is-invalid @enderror" id="location" name="location" value="{{ old('location', $trainer->location) }}" placeholder="Location">
                                    @error('location')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                </div>
                            </div>
                        </div>

                        <hr>
                        <h5>Social Links</h5>
                        <div class="row">
                            <div class="col-md-3">
                                <div class="form-group">
                                    <label for="facebook">Facebook</label>
                                    <input type="text" class="form-control" id="facebook" name="social_links[facebook]" value="{{ old('social_links.facebook', $trainer->social_links['facebook'] ?? '') }}" placeholder="URL">
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="form-group">
                                    <label for="twitter">Twitter</label>
                                    <input type="text" class="form-control" id="twitter" name="social_links[twitter]" value="{{ old('social_links.twitter', $trainer->social_links['twitter'] ?? '') }}" placeholder="URL">
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="form-group">
                                    <label for="instagram">Instagram</label>
                                    <input type="text" class="form-control" id="instagram" name="social_links[instagram]" value="{{ old('social_links.instagram', $trainer->social_links['instagram'] ?? '') }}" placeholder="URL">
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="form-group">
                                    <label for="linkedin">LinkedIn</label>
                                    <input type="text" class="form-control" id="linkedin" name="social_links[linkedin]" value="{{ old('social_links.linkedin', $trainer->social_links['linkedin'] ?? '') }}" placeholder="URL">
                                </div>
                            </div>
                        </div>

                        <hr>
                        <h5>Expertise (Skill & Percentage)</h5>
                        <div id="expertise-wrapper">
                            @php
                                $expertise = $trainer->expertise ?? [];
                                // Ensure at least 4 rows are shown, merging with existing data
                                $rows = max(count($expertise), 4);
                            @endphp
                            @for($i = 0; $i < $rows; $i++)
                            <div class="row">
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <input type="text" class="form-control" name="expertise[{{ $i }}][name]" value="{{ old("expertise.$i.name", $expertise[$i]['name'] ?? '') }}" placeholder="Skill Name (e.g. Strength Training)">
                                    </div>
                                </div>
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <input type="number" class="form-control" name="expertise[{{ $i }}][percent]" value="{{ old("expertise.$i.percent", $expertise[$i]['percent'] ?? '') }}" placeholder="Percentage (0-100)" min="0" max="100">
                                    </div>
                                </div>
                            </div>
                            @endfor
                        </div>

                    </div>
                    <!-- /.card-body -->

                    <div class="card-footer">
                        <button type="submit" class="btn btn-primary">Update Trainer</button>
                        <a href="{{ route('admin.trainers.index') }}" class="btn btn-default float-right">Cancel</a>
                    </div>
                </form>
            </div>
            <!-- /.card -->
        </div>
    </div>
</div>
@endsection