<?php

namespace App\Http\Controllers;

use App\Enums\MealPostVisibility;
use App\Http\Requests\SearchRequest;
use App\Http\Resources\MealPostsResource;
use App\Http\Resources\SearchUserResource;
use App\Models\MealPosts;
use App\Models\User;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Http\Resources\Json\AnonymousResourceCollection;

class SearchController extends Controller
{
    public function __invoke(SearchRequest $request): AnonymousResourceCollection
    {
        $query = (string) $request->validated('q');
        $perPage = (int) ($request->validated('per_page') ?? 20);

        if ($request->validated('type') === 'users') {
            $users = User::query()
                ->whereKeyNot($request->user()->getKey())
                ->whereNull('suspended_at')
                ->withoutBlockingRelationshipWith($request->user())
                ->where(function (Builder $builder) use ($query): void {
                    $builder
                        ->whereLike('name', "%{$query}%", caseSensitive: false)
                        ->orWhereLike('bio', "%{$query}%", caseSensitive: false);
                })
                ->orderByRaw('CASE WHEN LOWER(name) = LOWER(?) THEN 0 WHEN LOWER(name) LIKE LOWER(?) THEN 1 ELSE 2 END', [
                    $query,
                    "{$query}%",
                ])
                ->orderBy('name')
                ->paginate($perPage)
                ->withQueryString();

            return SearchUserResource::collection($users);
        }

        $meals = MealPosts::query()
            ->where('visibility', MealPostVisibility::Public)
            ->whereNull('hidden_at')
            ->whereHas(
                'user',
                fn (Builder $builder): Builder => $builder
                    ->whereNull('suspended_at')
                    ->withoutBlockingRelationshipWith($request->user())
            )
            ->where(function (Builder $builder) use ($query): void {
                $builder
                    ->whereLike('title', "%{$query}%", caseSensitive: false)
                    ->orWhereLike('caption', "%{$query}%", caseSensitive: false)
                    ->orWhereHas(
                        'ingredients',
                        fn (Builder $ingredientQuery): Builder => $ingredientQuery
                            ->whereLike('ingredient', "%{$query}%", caseSensitive: false)
                    );
            })
            ->with('user:id,name,avatar_url,account_verified_at')
            ->latest('eaten_at')
            ->paginate($perPage)
            ->withQueryString();

        return MealPostsResource::collection($meals);
    }
}