package server

import (
	"bytes"
	"fmt"
	"html"
	"local/notes-server/filetree"
	"net/http"
	"path"
	"strings"
)

func (s *Server) submit(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		http.NotFound(w, r)
		return
	}
	content := r.FormValue("content")
	content = html.UnescapeString(content)
	content = strings.ReplaceAll(content, "\r", "")
	content = trimLines(content)
	err := s.Notes.Submit(r.URL.Path, content)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	url := *r.URL
	url.Path = path.Join("/notes/", filetree.NewPathFromURL(r.URL.Path).BaseHREF)
	http.Redirect(w, r, url.String(), http.StatusSeeOther)
}

func trimLines(s string) string {
	buff := bytes.NewBuffer(nil)
	for _, line := range strings.Split(s, "\n") {
		fmt.Fprintln(buff, strings.TrimRight(line, "\n \r\t"))
	}
	fixed := string(buff.Bytes())
	return fixed[:len(fixed)-1]
}