<?php

namespace App\Http\Controllers\Woo;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Woo\Concerns\ResolvesWooContext;
use App\Models\WooCategory;
use App\Services\Woo\CatalogSyncService;
use App\Services\Woo\CatalogWriteService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class CategoryController extends Controller
{
    use ResolvesWooContext;

    public function __construct(
        private CatalogWriteService $write,
        private CatalogSyncService $sync,
    ) {}

    public function index(Request $request): View
    {
        $store = $this->currentStore($request);
        $search = trim((string) $request->query('q', ''));

        $categories = WooCategory::query()
            ->when($store, fn ($q) => $q->where('woo_store_id', $store->id))
            ->when(! $store, fn ($q) => $q->whereRaw('1 = 0'))
            ->when($search !== '', fn ($q) => $q->where('name', 'like', '%'.$search.'%'))
            ->with('store')
            ->orderBy('name')
            ->paginate(30)
            ->withQueryString();

        return view('woo.categories.index', compact('categories', 'search', 'store'));
    }

    public function create(Request $request): View
    {
        $store = $this->currentStoreOrFail($request);

        return view('woo.categories.form', [
            'category' => new WooCategory(['woo_store_id' => $store->id]),
            'currentStore' => $store,
            'parentCategories' => $store->categories()->orderBy('name')->get(),
        ]);
    }

    public function store(Request $request): RedirectResponse
    {
        $store = $this->currentStoreOrFail($request);
        $validated = $this->validateCategory($request, $store);

        $this->write->createCategory($store, $validated);

        return redirect()->route('woo.categories.index')
            ->with('success', 'Category saved.');
    }

    public function edit(Request $request, WooCategory $category): View
    {
        $store = $this->currentStoreOrFail($request);
        abort_if($category->woo_store_id !== $store->id, 404);

        return view('woo.categories.form', [
            'category' => $category,
            'currentStore' => $store,
            'parentCategories' => $store->categories()
                ->where('external_id', '!=', $category->external_id)
                ->orderBy('name')
                ->get(),
        ]);
    }

    public function update(Request $request, WooCategory $category): RedirectResponse
    {
        $store = $this->currentStoreOrFail($request);
        abort_if($category->woo_store_id !== $store->id, 404);

        $validated = $this->validateCategory($request, $store);
        $this->write->updateCategory($category, $validated);

        return redirect()->route('woo.categories.index')
            ->with('success', 'Category updated.');
    }

    public function destroy(Request $request, WooCategory $category): RedirectResponse
    {
        $store = $this->currentStoreOrFail($request);
        abort_if($category->woo_store_id !== $store->id, 404);

        $this->write->deleteCategory($category);

        return redirect()->route('woo.categories.index')
            ->with('success', 'Category removed.');
    }

    public function sync(Request $request): RedirectResponse
    {
        $store = $this->currentStoreOrFail($request);
        $count = $this->sync->syncCategories($store);

        return back()->with('success', sprintf(
            'Synced %d categories from %s.',
            $count,
            $store->site_name ?? $store->site_url,
        ));
    }

    /** @return array<string, mixed> */
    private function validateCategory(Request $request, $store): array
    {
        return array_merge($request->validate([
            'name' => ['required', 'string', 'max:255'],
            'slug' => ['nullable', 'string', 'max:255'],
            'description' => ['nullable', 'string', 'max:10000'],
            'parent_external_id' => ['nullable', 'integer', 'min:0'],
        ]), [
            'woo_store_id' => $store->id,
        ]);
    }
}