<?php

namespace App\Http\Controllers\Admin\Master;

use App\Enums\PriceType;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Master\ProductRequest;
use App\Models\Category;
use App\Models\Product;
use App\Support\LogHelper;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Inertia\Inertia;
use Inertia\Response;
use Spatie\MediaLibrary\MediaCollections\Models\Media;

class ProductController extends Controller
{
    public function index(): Response
    {
        return Inertia::render('admin/master/product/index', [
            'products' => Product::with(['prices', 'categories', 'media'])->latest()->paginate(10),
            'categories' => Category::active()->get(),
        ]);
    }

    public function create(): Response
    {
        return Inertia::render('admin/master/product/create', [
            'categories' => Category::active()->get(),
        ]);
    }

    public function store(ProductRequest $request): RedirectResponse
    {
        $validated = $request->validated();

        try {
            DB::transaction(function () use ($request, $validated) {
                $product = Product::create([
                    'name' => $validated['name'],
                    'description' => $validated['description'],
                ]);

                $product->categories()->sync($validated['category_ids'] ?? []);

                foreach ($validated['prices'] as $type => $price) {
                    $enumType = PriceType::tryFrom($type);
                    if ($enumType) {
                        $product->prices()->create([
                            'price_type' => $enumType,
                            'price' => $price,
                        ]);
                    }
                }

                if ($request->hasFile('thumbnail')) {
                    $product->addMediaFromRequest('thumbnail')
                        ->toMediaCollection('thumbnail');
                }

                if ($request->hasFile('images')) {
                    foreach ($request->file('images') as $image) {
                        $product->addMedia($image)
                            ->toMediaCollection('images');
                    }
                }
            });

            return redirect()->route('product.index')->with('success', 'Data berhasil disimpan');
        } catch (\Throwable $e) {
            LogHelper::logException($e, 'Failed to store product', [
                'input_summary' => [
                    'name' => $request->input('name'),
                    'categories_count' => count($request->input('category_ids', [])),
                    'prices_keys' => array_keys($request->input('prices', [])),
                    'has_thumbnail' => $request->hasFile('thumbnail'),
                    'images_count' => $request->hasFile('images')
                        ? count($request->file('images'))
                        : 0,
                ],
            ]);

            return redirect()
                ->back()
                ->withInput()
                ->with('error', 'Terjadi kesalahan, silakan hubungi pengembang');
        }
    }

    public function edit(Product $product): Response
    {
        $product->load(['prices', 'categories']);

        return Inertia::render('admin/master/product/edit', [
            'product' => $product->toArray(),
            'categories' => Category::active()->get(),
        ]);
    }

    public function update(ProductRequest $request, Product $product): RedirectResponse
    {
        $validated = $request->validated();

        try {
            DB::transaction(function () use ($request, $product, $validated) {
                $product->update([
                    'name' => $validated['name'],
                    'description' => $validated['description'],
                    'stock' => $validated['stock'] ?? 0,
                ]);

                $product->categories()->sync($validated['category_ids'] ?? []);

                foreach ($validated['prices'] as $type => $price) {
                    $enumType = PriceType::tryFrom($type);
                    if ($enumType) {
                        $product->prices()->updateOrCreate(
                            ['price_type' => $enumType],
                            ['price' => $price]
                        );
                    }
                }

                if (! empty($validated['delete_image_ids'])) {
                    Media::whereIn('id', $validated['delete_image_ids'])
                        ->where('model_type', Product::class)
                        ->where('model_id', $product->id)
                        ->each(fn ($media) => $media->delete());
                }

                if ($request->hasFile('thumbnail')) {
                    $product->addMediaFromRequest('thumbnail')
                        ->toMediaCollection('thumbnail');
                }

                if ($request->hasFile('images')) {
                    foreach ($request->file('images') as $image) {
                        $product->addMedia($image)
                            ->toMediaCollection('images');
                    }
                }
            });

            return redirect()->route('product.index')->with('success', 'Data berhasil diperbarui');
        } catch (\Throwable $e) {
            LogHelper::logException($e, 'Failed to update product', [
                'product_id' => $product->id,
                'input_summary' => [
                    'name' => $request->input('name'),
                    'categories_count' => count($request->input('category_ids', [])),
                    'prices_keys' => array_keys($request->input('prices', [])),
                    'has_thumbnail' => $request->hasFile('thumbnail'),
                ],
            ]);

            return redirect()
                ->back()
                ->withInput()
                ->with('error', 'Terjadi kesalahan, silakan hubungi pengembang');
        }
    }

    public function destroy(Product $product): RedirectResponse
    {
        $product->delete();

        return redirect()->back()->with('success', 'Data berhasil dihapus');
    }

    public function bulkDestroy(Request $request): RedirectResponse
    {
        $ids = $request->input('ids');

        Product::whereIn('id', $ids)->delete();

        return redirect()->back()->with('success', 'Data terpilih berhasil dihapus');
    }

    public function toggleStatus(Product $product): RedirectResponse
    {
        $product->update([
            'is_active' => ! $product->is_active,
        ]);

        return redirect()->back()->with('success', 'Status berhasil diperbarui');
    }
}