window.ToolIsFollow = false;

async function FileGet(follower=false){
  let f = ''
  if (Active == 'ConfigUI') {
    if (follower) f = '?f=true'
    const res = await fetch('/api/conf'+f)
      .catch(err=>{console.log(err);return;});
    const body = await res.text();
    if(!res.ok){
      Catch(res)
      return
    }
    editor.session.setValue(body);
  }
  else {
    if (follower) f = '&f=true'
    const res = await fetch('/api/file?name=' + Active + f)
      .catch(err=>{console.log(err);return;});
    const body = await res.json();
    if(!res.ok){
      Catch(res)
      return
    }
    editor.session.setValue(body.data);
  }
}

async function FileSave(){
  if (Active == 'ConfigUI') {
    const res = await fetch('/api/conf', {
      method: 'POST',
      body: editor.getValue(),
      headers: new Headers({
        'Content-Type': 'application/json'
      })
    }).catch(err=>{console.log(err);return;});
    if (res.ok) window.location.reload();
    else Catch(res)
  }
  else {
    const res = await fetch('/api/file', {
      method: 'POST',
      body: JSON.stringify({"name":Active,"data":editor.getValue()}),
      headers: new Headers({
        'Content-Type': 'application/json'
      })
    }).catch(err=>{console.log(err);return;});
    if(!res.ok) Catch(res)
  }
}

async function FileApply(){
  if (Active == 'ConfigUI') {
    return;
  }
  else {
    const res = await fetch('/api/apply?name='+ Active, {
      method: 'POST',
    }).catch(err=>{console.log(err);return;});
    if(!res.ok){
      const result = await Catch(res)
      result_editor.session.setValue(result)
      return
    }
    const result = await res.text()
    result_editor.session.setValue(result)
  }
}

async function Catch(res){
  console.trace()
  console.log(res)
  const msg = await res.text()
  ShowError(msg)
  return msg
}

// starting point
(function(){
  // block ctl-s
  window.addEventListener("keypress", function(event) {
    if (!(event.code == 115 && event.ctrlKey) && !(event.code == 19)) return true
    alert("Ctrl-S pressed")
    event.preventDefault()
    return false
  })

  // setup ace editor
  setEditor()

  // setup result code block
  setResult()
  
  // for follow mode
  setInterval((async ()=>{
    if (ToolIsFollow){
      await FileGet(true)
      editor.gotoLine(editor.session.getLength());
    }
  }), 1000)
}())