package main

import (
	"encoding/json"
	"fmt"
	"log"
	"net/http"
	"os"
	"text/template"
)

var serverConfig = map[string]string{
	"serverIP":  os.Getenv("SERVER_IP"),
	"serverURL": os.Getenv("SERVER_URL"),
}

func main() {
	port := os.Getenv("PORT")
	if port == "" {
		port = "80"
	}

	// Set up routes
	http.HandleFunc("/", handleRoot)
	http.HandleFunc("/config", handleConfig)
	http.HandleFunc("/popup", handlePopupInstructions)
	http.HandleFunc("/search", handleSearch)
	http.HandleFunc("/favicon.ico", handleFavicon)

	// Serve static files from 'public' directory
	fs := http.FileServer(http.Dir("./public"))
	http.Handle("/public/", http.StripPrefix("/public/", fs))

	// Start the server
	log.Printf("Server is running at http://0.0.0.0:%s\n", port)
	log.Fatal(http.ListenAndServe("0.0.0.0:"+port, nil))
}

func handleRoot(w http.ResponseWriter, r *http.Request) {
	tmpl := template.Must(template.ParseFiles("index.html"))
	if err := tmpl.Execute(w, nil); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
	}
}

func handleConfig(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	fmt.Fprintf(w, `{"serverIP":"%s","serverURL":"%s"}`, serverConfig["serverIP"], serverConfig["serverURL"])
}

func handleSearch(w http.ResponseWriter, r *http.Request) {
	query := r.URL.Query().Get("query")
	websites := r.URL.Query()["websites"]

	if query == "" || len(websites) == 0 {
		http.Error(w, "Missing query or websites parameter", http.StatusBadRequest)
		return
	}

	var searchResults []map[string]string
	for _, website := range websites {
		searchUrl := generateSearchUrl(website, query)
		searchResults = append(searchResults, map[string]string{
			"website":   website,
			"searchUrl": searchUrl,
		})
	}

	// Respond with JSON
	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(searchResults)
}

func handleFavicon(w http.ResponseWriter, r *http.Request) {
	w.WriteHeader(http.StatusNoContent)
}

func handlePopupInstructions(w http.ResponseWriter, r *http.Request) {
	tmpl := template.Must(template.ParseFiles("popup.html"))
	if err := tmpl.Execute(w, nil); err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
	}
}

func generateSearchUrl(website, query string) string {
	searchUrls := map[string]string{
		// ----- Eletronik ----
		"conrad":   fmt.Sprintf("https://www.conrad.de/de/search.html?search=%s", query),
		"reichelt": fmt.Sprintf("https://www.reichelt.de/index.html?ACTION=446&SEARCH=%s", query),
		"kosatec":  fmt.Sprintf("https://shop.kosatec.de/search?search=%s", query),
		// ----- Verpackungen ------
		"papstar": fmt.Sprintf("https://www.papstar-shop.de/catalogsearch/result/?q=%s", query),

		// ----- Baumarkt ------
		"hornbach":  fmt.Sprintf("https://www.hornbach.de/s/%s", query),
		"wuerth":    fmt.Sprintf("https://eshop.wuerth.de/is-bin/INTERSHOP.enfinity/WFS/1401-B1-Site/de_DE/-/EUR/ViewAfterSearch-ExecuteAfterSearch;pgid=_SyqelfHuAE7AgenBedw0kx10000h8VXDYEd;sid=R1_nTC0hndjgTEiHOQJqR90rj3eq0kN-AXWS_C06?SearchResultType=&EffectiveSearchTerm=&VisibleSearchTerm=%s&CampaignName=SR007", query),
		"fkr":       fmt.Sprintf("https://shop.fkr-baucentrum.de/suche/?q=%s", query),
		"contorion": fmt.Sprintf("https://www.contorion.de/search?q=%s", query),
		"esska":     fmt.Sprintf("https://www.esska.de/shop/search/%s", query),
		"toolineo":  fmt.Sprintf("https://toolineo.de/#search:query=%s", query),
		"voelkner":  fmt.Sprintf("https://www.voelkner.de/search/search.html?keywords=%s", query),
		"megabad":   fmt.Sprintf("https://www.megabad.com/search/?query=sdyc/#/q/%s", query),
		//knauss: "https://knauss.info/dksearch?sSearch=${query}"",
		"baubeschlag": fmt.Sprintf("https://www.baubeschlagshop.de/fts.php?criteria=%s", query),
		"ips":         fmt.Sprintf("https://www.ips-kts.com/de/suche?query=%s", query),
		"haefele":     fmt.Sprintf("https://www.haefele.de/prod-live/web/WFS/Haefele-HDE-Site/de_DE/-/EUR/ViewParametricSearch-Browse?SearchTerm=%s", query),
		"delker":      fmt.Sprintf("https://www.delker2business.com/nwsearch/execute?query=%s", query),

		// ------ Küche --------
		"esmeyer":         fmt.Sprintf("https://www.esmeyer-shop.de/search?search=%s", query),
		"lusini":          fmt.Sprintf("https://www.lusini.com/de-de/search/#q=%s", query),
		"tischwelt":       fmt.Sprintf("https://www.tischwelt.de/shop/Suche/?q=%s", query),
		"schafferer":      fmt.Sprintf("https://www.schafferer.de/gastro/Artikel-Suche/?q=%s", query),
		"gastrokaufhaus":  fmt.Sprintf("https://www.gastronomie-kaufhaus.de/index.php?lang=0&cl=search&searchparam=%s", query),
		"boerner":         fmt.Sprintf("https://www.boerner.de/?s=%s", query),
		"ggmgastro":       fmt.Sprintf("https://www.ggmgastro.com/de-de-eur/search?q=%s", query),
		"gastroteileshop": fmt.Sprintf("https://www.gastroteileshop.de/search?query=%s", query),

		// ----- Hygiene ------
		"hygi":              fmt.Sprintf("https://www.hygi.de/s/%s", query),
		"proficlean":        fmt.Sprintf("https://www.proficleanshop.de/suche/%s", query),
		"reinigungsberater": fmt.Sprintf("https://www.reinigungsberater.de/%s.html", query),
		"franzmensch":       fmt.Sprintf("https://www.franz-mensch.de/search?search=%s", query),
		"rossmann":          fmt.Sprintf("https://www.rossmann.de/de/search/?text=%s", query),

		// ----- Schilder ------
		"brewes":         fmt.Sprintf("https://www.brewes.de/catalogsearch/result?q=%s", query),
		"schildershop24": fmt.Sprintf("https://www.schildershop24.de/?action=Query&-query.&query.stichwort=%s", query),
		"vkfrenzel":      fmt.Sprintf("https://www.vkf-renzel.de/index.php?lang=0&cl=rasearch&searchparam=%s", query),

		// ----- Landwirtschaft -------
		"siepmann":    fmt.Sprintf("https://www.siepmann.net/siepmann_shop.php?suchfeld=%s", query),
		"fksoehnchen": fmt.Sprintf("https://www.fk-soehnchen.de/index.php?lang=0&cl=search&searchparam=%s", query),
		"wahlagrar":   fmt.Sprintf("https://www.agrar-fachversand.com/?etcc_med=SEA&etcc_par=Google&etcc_cmp=AFDE-Performance-Max-35EUR&etcc_grp=&etcc_bky=&etcc_mty=&etcc_plc=&etcc_ctv=&etcc_bde=c&etcc_var=CjwKCAiAqY6tBhAtEiwAHeRopYcDZDIiNKtjG2cFJsJLzcQtaQXgLGPmkD5SuRsOtEy_-QSdYTElrhoCulAQAvD_BwE&gclid=CjwKCAiAqY6tBhAtEiwAHeRopYcDZDIiNKtjG2cFJsJLzcQtaQXgLGPmkD5SuRsOtEy_-QSdYTElrhoCulAQAvD_BwE#/dfclassic/query=%s&query_name=match_and", query),
		"kox":         "https://www.kox-direct.de/?query=${query}&sid=6d0b4366af8bb99af514529b7e61ad&act=search",

		// ----- Arbeitsschutz -------
		"engelbert":               fmt.Sprintf("https://www.engelbert-strauss.de/s/suche?query=%s", query),
		"arbeitsplatzmattenprofi": fmt.Sprintf("https://arbeitsplatzmatten-profi.com/?s=%s", query),
		"ara":                     fmt.Sprintf("https://ara-arbeitsschutz.de/navi.php?qs=%s", query),

		// ------ Med. Artikel -------
		"oekonomed":    fmt.Sprintf("https://shop.oekonomed.de/de/advanced_search_result.php?keywords=%s&inc_subcat=1", query),
		"praxisdienst": fmt.Sprintf("https://www.praxisdienst.de/index.php?stoken=268B7DE4&sid=hf02v2hm41hv6v8j3nttfgej8c&lang=0&cl=search&listorderby=reset&searchparam=%s", query),
		"gerl":         fmt.Sprintf("https://gerl-dental.de/search?query=%s", query),

		// ----- Möbel -------
		"ikea": fmt.Sprintf("https://www.ikea.com/de/de/search/?q=%s", query),

		// ----- Deko ------
		"frankflechtwaren": fmt.Sprintf("https://www.frank-flechtwaren.de/suchergebnisse/?query=%s", query),
		"betzold":          fmt.Sprintf("https://www.betzold.de/search/?q=%s", query),
		"vbshobby":         fmt.Sprintf("https://www.vbs-hobby.com/suche/?q=%s", query),

		// ----- Sport ------
		"thieme": fmt.Sprintf("https://www.sport-thieme.de/cat/search=%s", query),

		// ------ Etiketten / Papier -------
		"labelident": fmt.Sprintf("https://www.labelident.com/catalogsearch/result/?q=%s", query),

		// ----- Stahl/Bleche -------
		"stahlshop": fmt.Sprintf("https://www.stahl-shop24.de/search?search=%s", query),
		"feld":      fmt.Sprintf("https://www.feld-eitorf.de/catalogsearch/result/?q=%s", query),

		// ----- Saatgut ------
		"saatgutshop":       fmt.Sprintf("https://www.saatgut-shop.de/advanced_search_result.php?categories_id=0&keywords=%s&inc_subcat=1", query),
		"saatgutmanufaktur": fmt.Sprintf("https://shop.saatgut-manufaktur.de/advanced_search_result.php?keywords=%s&inc_subcat=1", query),
	}

	if url, ok := searchUrls[website]; ok {
		return url
	}
	return ""
}