@extends('layouts.app')

@section('content')
    <div class="mx-auto px-4 py-8">
        <h2 class="text-3xl font-semibold mb-6">Formulas for {{ $signType->name }}</h2>

        @if (session('success'))
            <div class="bg-green-100 border border-green-400 text-green-700 px-4 py-3 rounded mb-6" role="alert">
                {{ session('success') }}
            </div>
        @endif

        <form method="POST" action="{{ url("/sign-types/{$signType->id}/formula") }}">
            @csrf

            <div class="mb-6 flex items-center justify-end">
                <button type="submit"
                    class="bg-blue-600 hover:bg-blue-700 text-white font-semibold px-6 py-2 rounded-md transition">
                    Save Formulas
                </button>
            </div>

            <table class="min-w-full border border-gray-300 rounded-md overflow-hidden">
                <thead class="bg-gray-50">
                    <tr>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Formula Id:</th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Material</th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Variable Name
                        </th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Description</th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Price Calculation
                            Formula's</th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Dense Weight
                            Variable Name</th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Dense Weight
                            Formula</th>
                        <th class="text-left px-6 py-3 border-b border-gray-300 font-medium text-gray-700">Sequence No</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach ($items as $item)
                        <tr class="hover:bg-gray-100">
                            <td class="px-6 py-4 border-b border-gray-300">
                                {{ $item->type === 'material' ? 'formula' : 'var_formula' }}{{ $item->id }}
                            </td>
                            <td class="px-6 py-4 border-b border-gray-300">{{ $item->name }}</td>
                            <td class="px-6 py-4 border-b border-gray-300">{{ $item->var_name }}</td>
                            <td class="px-6 py-4 border-b border-gray-300">
                                <input type="text"
                                    name="{{ $item->type === 'material' ? 'descriptions' : 'variables_descriptions' }}[{{ $item->id }}]"
                                    value="{{ old(($item->type === 'material' ? 'descriptions' : 'variables_descriptions') . '.' . $item->id, $item->description) }}"
                                    class="border border-gray-300 rounded-md px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-400">
                            </td>
                            <td class="px-6 py-4 border-b border-gray-300 w-[300px]">
                                <textarea name="{{ $item->type === 'material' ? 'formulas' : 'variable_formulas' }}[{{ $item->id }}]"
                                    class="w-full border border-gray-300 rounded-md px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500">{{ old(($item->type === 'material' ? 'formulas' : 'variable_formulas') . '.' . $item->id, $item->expression) }}</textarea>
                            </td>
                            <td class="px-6 py-4 border-b border-gray-300">
                                @if (Str::startsWith($item->var_name, 'material'))
                                    weight_{{ $item->var_name }}
                                @else
                                    N/A
                                @endif
                            </td>
                            {{-- Dense weight formula --}}
                            <td class="px-6 py-4 border-b border-gray-300 w-[300px]">
                                <textarea
                                    name="{{ $item->type === 'material' ? 'dense_weight_formulas' : 'variable_dense_weight_formulas' }}[{{ $item->id }}]"
                                    class="w-full border border-gray-300 rounded-md px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500">{{ old(($item->type === 'material' ? 'dense_weight_formulas' : 'variable_dense_weight_formulas') . '.' . $item->id, $item->dense_weight_expression) }}</textarea>
                            </td>

                            <td class="px-6 py-4 border-b border-gray-300">
                                <input type="number" min="0"
                                    name="{{ $item->type === 'material' ? 'sequence_nos' : 'variable_sequence_nos' }}[{{ $item->id }}]"
                                    value="{{ old(($item->type === 'material' ? 'sequence_nos' : 'variable_sequence_nos') . '.' . $item->id, $item->sequence_no) }}"
                                    class="w-20 border border-gray-300 rounded-md px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500">
                            </td>
                        </tr>
                    @endforeach
                </tbody>
            </table>
        </form>
    </div>
@endsection