package page

import (
	"log"
	"net/http"
	"path/filepath"
	"strings"
)

func SetupHandlers() {
	http.HandleFunc("/rebuildIndex/", RebuildIndexHandler)
	http.Handle("/static/", StaticHandler())
	http.HandleFunc("/", PageHandler)
}

func PageHandler(w http.ResponseWriter, r *http.Request) {
	u := r.URL.Path
	if u == "/" {
		u = "/index"
	}
	u = filepath.Join(".", u)
	log.Println(u)

	p := &Page{Path: u}
	err := p.Render(w)
	if err != nil {
		if strings.HasSuffix(err.Error(), "no such file or directory") {
			log.Printf("Page '%s' not found, trying 404", p.Path)
			p.Path = "404"
			w.WriteHeader(404)
			err := p.Render(w)
			if err != nil {
				log.Println(err)
				http.Error(w, "Internal server error", 500)
				return
			}
			return
		} else {
			log.Println(err)
			http.Error(w, "Internal server error", 500)
			return
		}
	}

}

func RebuildIndexHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		pageIndex = nil
		p := &Page{Path: "index"}
		_, _ = p.Index()
	}
	return
}

func StaticHandler() (h http.Handler) {
	return http.StripPrefix("/static/", http.FileServer(http.Dir("static")))
}