<?php

namespace App\Http\Controllers\Front;

use App\Enums\StaticPageType;
use App\Http\Requests\Front\SearchRequest;
use App\Models\StaticPage;
use App\Models\SearchIndex;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Uwil\LaravelCommon\Controllers\Controller;
use Uwil\LaravelCommon\Helpers\CollectionHelper;

class SearchController extends Controller
{
    /**
     * Search page.
     *
     * @param \App\Http\Requests\Front\SearchRequest $request
     * @return \Illuminate\Contracts\View\View
     */
    public function search(SearchRequest $request): \Illuminate\Contracts\View\View
    {
        $queryKey = trans('front.search.query');
        $pageKey  = trans('front.search.page');
        $searchTerm = $request->validated()[$queryKey];
        $currentPage = $request->validated()[$pageKey];
        $perPage = 10;
    
        $searchQuery = $this->buildExactSearchQuery($searchTerm);

        $resultModels = SearchIndex::search($searchQuery)
            ->paginateRaw(perPage: $perPage, page: $currentPage);
    
        $resultModels->appends([
            $queryKey => $searchTerm,
            $pageKey  => $currentPage,
            'query'   => null,
        ]);
    
        return view('front.pages.search', compact('searchTerm', 'resultModels'));
    }
    
    /**
     * Set strict search term.
     * 
     * @return string
     */
    private function buildExactSearchQuery(string $searchTerm): string
    {
        $words = preg_split('/\s+/', trim($searchTerm), -1, PREG_SPLIT_NO_EMPTY);
        
        if (count($words) === 1) {
            return '"' . $words[0] . '"';
        }
        
        $exactTerms = array_map(function($word) {
            return $word . '*';
        }, $words);
        
        return '+' . implode(' +', $exactTerms);
    }
}