@extends('layouts.app')

@section('content')
<div class="max-w-4xl mx-auto space-y-6">
    <!-- Page Header -->
    <div class="flex items-center gap-4">
        <a href="{{ route('letters.index') }}" class="p-2 text-gray-500 hover:text-gray-900 hover:bg-gray-100 rounded-lg transition-colors">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"/></svg>
        </a>
        <h1 class="text-2xl font-bold text-gray-900">
            {{ isset($letter) && $letter ? __('letters.edit_letter') : __('letters.create_letter') }}
        </h1>
    </div>

    <!-- Parent Letter Reference -->
    @if(isset($parentLetter) && $parentLetter)
    <div class="bg-purple-50 rounded-xl border border-purple-200 p-4">
        <div class="flex items-center gap-2">
            <svg class="w-4 h-4 text-purple-600" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 10h10a8 8 0 018 8v2M3 10l6 6m-6-6l6-6"/></svg>
            <span class="text-sm font-medium text-purple-700">{{ __('letters.reply_to') }}:</span>
            <span class="text-sm text-purple-900">{{ $parentLetter->subject }}</span>
        </div>
    </div>
    @endif

    <!-- Form -->
    <form method="POST" action="{{ isset($letter) && $letter ? route('letters.update', $letter) : route('letters.store') }}"
          enctype="multipart/form-data"
          class="bg-white rounded-xl border border-gray-200 p-6 space-y-5">
        @csrf
        @if(isset($letter) && $letter)
        @method('PUT')
        @endif

        <div class="grid grid-cols-1 md:grid-cols-2 gap-5">
            <!-- Type -->
            <div>
                <label for="type" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.type') }} <span class="text-red-500">*</span></label>
                <select id="type" name="type" class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500" required>
                    <option value="incoming" {{ old('type', isset($letter) ? $letter->type : ($prefillType ?? '')) === 'incoming' ? 'selected' : '' }}>{{ __('letters.type_incoming') }}</option>
                    <option value="outgoing" {{ old('type', isset($letter) ? $letter->type : ($prefillType ?? '')) === 'outgoing' ? 'selected' : '' }}>{{ __('letters.type_outgoing') }}</option>
                </select>
            </div>

            <!-- Status -->
            <div>
                <label for="status" class="block text-sm font-medium text-gray-700 mb-1">{{ __('common.status') }} <span class="text-red-500">*</span></label>
                <select id="status" name="status" class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500" required>
                    @foreach(['draft', 'sent', 'received'] as $s)
                    <option value="{{ $s }}" {{ old('status', isset($letter) ? $letter->status : 'draft') === $s ? 'selected' : '' }}>{{ __('letters.status_' . $s) }}</option>
                    @endforeach
                    @if(isset($letter) && $letter)
                    <option value="archived" {{ old('status', $letter->status) === 'archived' ? 'selected' : '' }}>{{ __('letters.status_archived') }}</option>
                    @endif
                </select>
            </div>

            <!-- Letter Date -->
            <div>                
                <x-date-input name="letter_date" :value="old('letter_date', $letter?->letter_date?->format('Y-m-d'))" required="true" />
            </div>

            <!-- Reference Number -->
            <div>
                <label for="reference_number" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.reference_number') }}</label>
                <input type="text" id="reference_number" name="reference_number"
                       value="{{ old('reference_number', isset($letter) ? $letter->reference_number : '') }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500" dir="ltr">
            </div>

            <!-- Sender -->
            <div>
                <label for="sender" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.sender') }} <span class="text-red-500">*</span></label>
                <input type="text" id="sender" name="sender"
                       value="{{ old('sender', isset($letter) ? $letter->sender : '') }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500" required>
            </div>

            <!-- Recipient -->
            <div>
                <label for="recipient" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.recipient') }} <span class="text-red-500">*</span></label>
                <input type="text" id="recipient" name="recipient"
                       value="{{ old('recipient', isset($letter) ? $letter->recipient : '') }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500" required>
            </div>

            <!-- Project -->
            <div>
                <label for="project_id" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.project') }}</label>
                <select id="project_id" name="project_id"
                        class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500">
                    <option value="">{{ __('common.select') }}</option>
                    @foreach($projects as $project)
                    <option value="{{ $project->id }}" {{ old('project_id', isset($letter) ? $letter->project_id : '') == $project->id ? 'selected' : '' }}>{{ $project->name }}</option>
                    @endforeach
                </select>
            </div>

            <!-- Subject -->
            <div class="md:col-span-2">
                <label for="subject" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.subject') }} <span class="text-red-500">*</span></label>
                <input type="text" id="subject" name="subject"
                       value="{{ old('subject', isset($letter) ? $letter->subject : '') }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500" required>
            </div>

            <!-- Content -->
            <div class="md:col-span-2">
                <label for="content" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.content') }}</label>
                <textarea id="content" name="content" rows="6"
                          class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500">{{ old('content', isset($letter) ? $letter->content : '') }}</textarea>
            </div>

            <!-- Attachments (only for new letters) -->
            @if(!isset($letter) || !$letter)
            <div class="md:col-span-2">
                <label for="attachments" class="block text-sm font-medium text-gray-700 mb-1">{{ __('letters.attachments') }}</label>
                <input type="file" id="attachments" name="attachments[]" multiple
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-teal-500">
                <p class="mt-1 text-xs text-gray-400">{{ __('letters.attachments_help') }}</p>
            </div>
            @endif

            <!-- Parent Letter ID (hidden) -->
            @if(isset($parentLetter) && $parentLetter)
            <input type="hidden" name="parent_letter_id" value="{{ $parentLetter->id }}">
            @endif
        </div>

        <!-- Actions -->
        <div class="flex items-center justify-end gap-3 pt-4 border-t border-gray-200">
            <a href="{{ route('letters.index') }}" class="px-4 py-2 text-sm font-medium text-gray-700 bg-gray-100 rounded-lg hover:bg-gray-200 transition-colors">
                {{ __('common.cancel') }}
            </a>
            <button type="submit" class="px-6 py-2 text-sm font-medium text-white bg-teal-600 rounded-lg hover:bg-teal-700 transition-colors">
                {{ isset($letter) && $letter ? __('common.save_changes') : __('common.create') }}
            </button>
        </div>
    </form>
</div>
@endsection