package server

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

func (s *Server) notes(w http.ResponseWriter, r *http.Request) {
	p := filetree.NewPathFromURL(r.URL.Path)
	head(w, r)
	notesHead(w, p)
	defer foot(w, r)
	if p.IsDir() {
		s.dir(w, r)
	} else if p.IsFile() {
		s.file(w, r)
	} else {
		http.NotFound(w, r)
	}
}

func notesHead(w http.ResponseWriter, p filetree.Path) {
	fmt.Fprintln(w, h2(p.MultiLink()))
}

func (s *Server) dir(w http.ResponseWriter, r *http.Request) {
	dirs, files, err := s.Notes.Dir(r.URL.Path)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	dirHead(w, filetree.NewPathFromURL(r.URL.Path).BaseHREF)
	block(w, dirs)
	block(w, files)
}

func dirHead(w http.ResponseWriter, baseHREF string) {
	fmt.Fprintf(w, `
        <form action=%q method="get">
           <input type="text" name="base"></input>
           <button type="submit">Create</button>
        </form>
     `, path.Join("/create/", baseHREF))
}

func (s *Server) file(w http.ResponseWriter, r *http.Request) {
	file, err := s.Notes.File(r.URL.Path)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	fileHead(w, filetree.NewPathFromURL(r.URL.Path).BaseHREF)
	fmt.Fprintln(w, file)
}

func fileHead(w http.ResponseWriter, baseHREF string) {
	fmt.Fprintf(w, `
      <a href=%q><input type="button" value="Edit"></input></a>
   `, path.Join("/edit/", baseHREF))
}