<?php

namespace App\Http\Controllers;

use App\Models\PricingCode;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;

class PricingCodeController extends Controller
{
    protected array $data = [
        'active' => 'spare_parts',
        'title' => 'Справочник расшифровок',
        'id' => 'pricing_codes',
        'header' => [
            'id' => 'ID',
            'type' => 'Тип',
            'code' => 'Код',
            'description' => 'Расшифровка',
            'actions' => 'Действия',
        ],
    ];

    public function index(Request $request)
    {
        $this->setSortAndOrderBy(new PricingCode(), $request);

        $sortBy = $request->get('sortBy', 'code');
        $allowedSort = ['id', 'type', 'code', 'description'];
        if (!in_array($sortBy, $allowedSort, true)) {
            $sortBy = 'code';
        }
        $orderBy = $request->get('order') === 'desc' ? 'desc' : 'asc';

        $q = PricingCode::query();

        // Поиск
        $search = $request->get('s', $request->get('search'));
        if (!empty($search)) {
            $q->where(function ($query) use ($search) {
                $query->where('code', 'LIKE', '%' . $search . '%')
                    ->orWhere('description', 'LIKE', '%' . $search . '%')
                    ->orWhere('type', 'LIKE', '%' . $search . '%');
            });
        }

        $q->orderBy($sortBy, $orderBy);
        if ($sortBy !== 'id') {
            $q->orderBy('id', $orderBy);
        }

        $this->data['pricing_codes'] = $q->paginate($this->data['per_page'])->withQueryString();
        $this->data['sortBy'] = $sortBy;
        $this->data['orderBy'] = $orderBy;
        $this->data['searchFields'] = ['type', 'code', 'description'];
        $this->data['search'] = $search;

        return view('pricing_codes.index', $this->data);
    }

    public function store(Request $request): RedirectResponse
    {
        $request->validate([
            'type' => 'required|in:tsn_number,pricing_code',
            'code' => 'required|string',
            'description' => 'nullable|string',
        ]);

        // Проверяем уникальность комбинации type + code
        $exists = PricingCode::where('type', $request->type)
            ->where('code', $request->code)
            ->exists();

        if ($exists) {
            return redirect()->route('pricing_codes.index')
                ->with(['error' => 'Такой код уже существует для данного типа!']);
        }

        PricingCode::create($request->only(['type', 'code', 'description']));

        return redirect()->route('pricing_codes.index')
            ->with(['success' => 'Код расценки успешно добавлен!']);
    }

    public function update(Request $request, PricingCode $pricingCode): RedirectResponse
    {
        $request->validate([
            'description' => 'nullable|string',
        ]);

        $pricingCode->update(['description' => $request->get('description')]);

        return redirect()->route('pricing_codes.index')
            ->with(['success' => 'Расшифровка успешно обновлена!']);
    }

    public function destroy(PricingCode $pricingCode): RedirectResponse
    {
        $pricingCode->delete();

        return redirect()->route('pricing_codes.index')
            ->with(['success' => 'Код расценки успешно удалён!']);
    }

    /**
     * API метод для получения расшифровки кода
     */
    public function getDescription(Request $request)
    {
        $type = $request->get('type');
        $code = $request->get('code');

        if (!$type || !$code) {
            return response()->json(['description' => null]);
        }

        $description = null;
        if ($type === 'tsn_number') {
            $description = PricingCode::getTsnDescription($code);
        } elseif ($type === 'pricing_code') {
            $description = PricingCode::getPricingCodeDescription($code);
        }

        return response()->json(['description' => $description]);
    }

    /**
     * API метод для поиска кодов (autocomplete)
     */
    public function search(Request $request)
    {
        $type = $request->get('type');
        $query = $request->get('query', '');

        if (!$type) {
            return response()->json([]);
        }

        $codes = PricingCode::where('type', $type)
            ->where(function ($q) use ($query) {
                $q->where('code', 'LIKE', '%' . $query . '%')
                    ->orWhere('description', 'LIKE', '%' . $query . '%');
            })
            ->orderBy('code')
            ->limit(20)
            ->get(['code', 'description']);

        return response()->json($codes);
    }
}