package main

import (
	"log"
	"net/http"
	"net/url"
	"strings"

	"github.com/PuerkitoBio/goquery"
)

type SearchResult struct {
	URL         string
	Header      string
	Description string
}

func PerformTextSearch(query, safe, lang string) ([]SearchResult, error) {
	var results []SearchResult

	client := &http.Client{}
	safeParam := "&safe=off"
	if safe == "active" {
		safeParam = "&safe=active"
	}

	langParam := ""
	if lang != "" {
		langParam = "&lr=" + lang
	}

	searchURL := "https://www.google.com/search?q=" + url.QueryEscape(query) + safeParam + langParam

	req, err := http.NewRequest("GET", searchURL, nil)
	if err != nil {
		log.Fatalf("Failed to create request: %v", err)
	}

	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36")

	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	doc, err := goquery.NewDocumentFromReader(resp.Body)
	if err != nil {
		return nil, err
	}

	doc.Find(".yuRUbf").Each(func(i int, s *goquery.Selection) {
		link := s.Find("a")
		href, _ := link.Attr("href")
		header := link.Find("h3").Text()
		header = strings.TrimSpace(strings.TrimSuffix(header, "›"))

		descSelection := doc.Find(".VwiC3b").Eq(i)
		description := ""
		if descSelection.Length() > 0 {
			description = descSelection.Text()
		}

		results = append(results, SearchResult{
			URL:         href,
			Header:      header,
			Description: description,
		})
	})

	return results, nil
}