package notes

import (
	"errors"
	"fmt"
	"io/ioutil"
	"gitea.inhome.blapointe.com/local/notes-server/filetree"
	"gitea.inhome.blapointe.com/local/notes-server/notes/editor"
	"strings"
)

func (n *Notes) Edit(urlPath string) (string, error) {
	p := filetree.NewPathFromURL(urlPath)
	if p.IsDir() {
		return "", errors.New("path is dir")
	}
	return editFile(p), nil
}

func editFile(p filetree.Path) string {
	href := p.HREF
	href = strings.TrimPrefix(href, "/")
	hrefs := strings.SplitN(href, "/", 2)
	href = hrefs[0]
	if len(hrefs) > 1 {
		href = hrefs[1]
	}
	b, _ := ioutil.ReadFile(p.Local)
	return fmt.Sprintf(`
      <div class="form">
         <form action="/submit/%s" method="post">
            <textarea id="mytext" name="content" style="cursor:crosshair;">%s</textarea>
            <button type="submit">Submit</button>
         </form>
      </div>
      <!--
      https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.59.4/codemirror.min.js
      https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.59.4/codemirror.min.css
      https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.59.4/keymap/vim.min.js
      https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.59.4/theme/dracula.min.css
      -->
      <script>%s</script>
      <style>%s</style>
      <script>%s</script>
      <style>%s</style>
      <script>
         if( ! /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
            CodeMirror.fromTextArea(document.getElementById("mytext"), {
               lineNumbers: true,
               mode: "md",
               theme: "dracula",
               keyMap: "vim",
               smartIndent: true,
               indentUnit: 3,
               tabSize: 3,
               indentWithTabs: false,
               lineWrapping: true,
               autofocus: true,
               dragDrop: false,
               spellcheck: true,
               autocorrect: false,
               autocapitalize: false,
               extraKeys: {
                  Tab: (cm) => {
                     var spaces = Array(cm.getOption("indentUnit") + 1).join(" ");
                     cm.replaceSelection(spaces);
                  },
               },
            })
         } else {
            console.log(navigator.userAgent)
         }
      </script>
   `, href, b, editor.CodeMirrorJS, editor.CodeMirrorCSS, editor.CodeMirrorVIM, editor.CodeMirrorTheme)
}