@extends('layouts.app')
@section('title', 'Edit Material')

@section('content')
<div class="container-fluid">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h1 class="h3 mb-0"><i class="fas fa-edit mr-2"></i>Edit Training Material</h1>
        <a href="{{ route('training.materials.show', $material->material_id) }}" class="btn btn-secondary">
            <i class="fas fa-arrow-left mr-1"></i>Back
        </a>
    </div>

    <form action="{{ route('training.materials.update', $material->material_id) }}" method="POST" enctype="multipart/form-data">
        @csrf @method('PUT')
        @include('training.partials.alerts')

        <div class="row">
            <div class="col-lg-8">
                <div class="card shadow mb-4">
                    <div class="card-body">
                        <div class="form-group">
                            <label>Title <span class="text-danger">*</span></label>
                            <input type="text" name="material_title" class="form-control"
                                   value="{{ old('material_title', $material->material_title) }}" required>
                        </div>

                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label>Type <span class="text-danger">*</span></label>
                                    <select name="material_type" class="form-control" required>
                                        @foreach(['video','youtube','pdf','powerpoint','document','link','interactive','audio'] as $type)
                                            <option value="{{ $type }}"
                                                {{ old('material_type', $material->material_type) == $type ? 'selected' : '' }}>{{ ucfirst($type) }}</option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label>Difficulty</label>
                                    <select name="difficulty_level" class="form-control" required>
                                        @foreach(['Beginner','Intermediate','Senior','Pro'] as $lvl)
                                            <option value="{{ $lvl }}"
                                                {{ old('difficulty_level', $material->difficulty_level) == $lvl ? 'selected' : '' }}>{{ $lvl }}</option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>
                        </div>

                        <div class="form-group">
                            <label>Description</label>
                            <textarea name="description" class="form-control" rows="3">{{ old('description', $material->description) }}</textarea>
                        </div>

                        <div class="form-group">
                            <label>Learning Objectives</label>
                            <textarea name="learning_objectives" class="form-control" rows="2">{{ old('learning_objectives', $material->learning_objectives) }}</textarea>
                        </div>

                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label>Topic</label>
                                    <select name="topic_id" class="form-control">
                                        <option value="">— None —</option>
                                        @foreach($topics as $t)
                                            <option value="{{ $t->topic_id }}"
                                                {{ old('topic_id', $material->topic_id) == $t->topic_id ? 'selected' : '' }}>
                                                {{ $t->topic_code }} — {{ $t->topic_name }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label>Curriculum</label>
                                    <select name="curriculum_id" class="form-control">
                                        <option value="">— None —</option>
                                        @foreach($curricula as $c)
                                            <option value="{{ $c->curriculum_id }}"
                                                {{ old('curriculum_id', $material->curriculum_id) == $c->curriculum_id ? 'selected' : '' }}>
                                                {{ $c->curriculum_name }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label>Duration (minutes)</label>
                                    <input type="number" name="duration_minutes" class="form-control"
                                           value="{{ old('duration_minutes', $material->duration_minutes) }}" min="1">
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label>Version</label>
                                    <input type="text" name="version" class="form-control"
                                           value="{{ old('version', $material->version) }}" maxlength="20">
                                </div>
                            </div>
                        </div>

                        <div class="form-group">
                            <label>External URL</label>
                            <input type="url" name="external_url" class="form-control"
                                   value="{{ old('external_url', $material->external_url) }}">
                        </div>

                        <div class="form-group">
                            <label>Upload File</label>
                            @if($material->file_path)
                                <div class="mb-2">
                                    <a href="{{ asset('storage/' . $material->file_path) }}" target="_blank"
                                       class="btn btn-sm btn-outline-info">
                                        <i class="fas fa-file"></i> View Current File
                                    </a>
                                    <div class="form-check mt-1">
                                        <input type="checkbox" name="remove_file" value="1"
                                               class="form-check-input" id="rf">
                                        <label for="rf" class="form-check-label text-danger">
                                            Remove current file
                                        </label>
                                    </div>
                                </div>
                            @endif
                            <input type="file" name="file" class="form-control-file">
                            <small class="text-muted">Leave empty to keep current file</small>
                        </div>

                        <div class="row">
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label>Display Order</label>
                                    <input type="number" name="display_order" class="form-control"
                                           value="{{ old('display_order', $material->display_order) }}" min="0">
                                </div>
                            </div>
                            <div class="col-md-4 pt-4">
                                <div class="form-check">
                                    <input type="checkbox" name="is_mandatory" value="1"
                                           class="form-check-input" id="im"
                                           {{ old('is_mandatory', $material->is_mandatory) ? 'checked' : '' }}>
                                    <label for="im" class="form-check-label">Mandatory</label>
                                </div>
                            </div>
                            <div class="col-md-4 pt-4">
                                <div class="form-check">
                                    <input type="checkbox" name="is_active" value="1"
                                           class="form-check-input" id="ia"
                                           {{ old('is_active', $material->is_active) ? 'checked' : '' }}>
                                    <label for="ia" class="form-check-label">Active</label>
                                </div>
                            </div>
                        </div>

                        <div class="form-group">
                            <label>Related Document</label>
                            <select name="document_id" class="form-control">
                                <option value="">— None —</option>
                                @foreach($documents as $doc)
                                    <option value="{{ $doc->document_id }}"
                                        {{ old('document_id', $material->document_id) == $doc->document_id ? 'selected' : '' }}>
                                        {{ $doc->document_code ?? '' }} — {{ $doc->document_title ?? '' }}
                                    </option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                </div>
            </div>

            <div class="col-lg-4">
                <div class="card shadow mb-4">
                    <div class="card-body">
                        <button type="submit" class="btn btn-primary btn-block mb-2">
                            <i class="fas fa-save mr-1"></i>Update Material
                        </button>
                        <a href="{{ route('training.materials.show', $material->material_id) }}"
                           class="btn btn-secondary btn-block">
                            <i class="fas fa-times mr-1"></i>Cancel
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </form>
</div>
@endsection