// Reflector Dashboard — web front-end for SvxReflector
// Copyright (C) 2026 SA7AUX (Björn)
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify it under
// the terms of the GNU Affero General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option) any
// later version. See the LICENSE file for details.

'use strict';
var $ = function(id) { return document.getElementById(id); };
function setMsg(el, txt, err) {
  if (!el) return;
  if (!txt) { el.style.display='none'; return; }
  el.style.display='block'; el.textContent=txt; el.style.color=err?'#ff8080':'#00ff80';
}
function esc(s) { var d=document.createElement('div'); d.textContent=s; return d.innerHTML; }
async function rapi(body) {
  var r = await fetch('/auth/admin_reflector_api.php', { method:'POST', credentials:'same-origin', headers:{'Content-Type':'application/json','X-CSRF-Token':window._csrfToken||''}, body:JSON.stringify(body) });
  return r.json().catch(function(){ return null; });
}

var configOriginal = '';

async function loadConfig() {
  var j = await rapi({action:'config_read'});
  if (!j || !j.ok) { setMsg($('cfgMsg'), (j&&j.error)||'Failed', true); return; }
  configOriginal = j.raw || '';
  $('cfgView').textContent = configOriginal;
  // The backend decides who may edit: LVL2/LVL3 → true (LVL2 sees secrets masked
  // and they're restored on save), LVL1 → false (read-only).
  $('btnEdit').style.display = j.can_edit ? '' : 'none';
  showView();
}

function showView() { $('viewMode').style.display=''; $('editMode').style.display='none'; }
function showEdit() { $('cfgEditor').value=configOriginal; $('viewMode').style.display='none'; $('editMode').style.display=''; setMsg($('cfgMsg'),null); }

async function saveConfig() {
  var raw = $('cfgEditor').value;
  if (!raw.trim()) { setMsg($('cfgMsg'),'Config is empty',true); return; }
  var j = await rapi({action:'config_save', raw:raw});
  if (j && j.ok) { setMsg($('cfgMsg'),'Config saved. Reload service to apply.',false); configOriginal=raw; loadConfig(); }
  else setMsg($('cfgMsg'),(j&&j.error)||'Failed',true);
}

document.addEventListener('DOMContentLoaded', function() {
  fetch('/auth/me.php',{credentials:'same-origin'}).then(function(r){return r.json();}).then(function(j){if(j&&j.csrf_token)window._csrfToken=j.csrf_token;}).catch(function(){});
  loadConfig();
  $('btnView').addEventListener('click', showView);
  $('btnEdit').addEventListener('click', showEdit);
  $('btnSave').addEventListener('click', saveConfig);
  $('btnSaveReload').addEventListener('click', async function() {
    var raw = $('cfgEditor').value;
    if (!raw.trim()) { setMsg($('cfgMsg'),'Config is empty',true); return; }
    var j = await rapi({action:'config_save', raw:raw});
    if (!j || !j.ok) { setMsg($('cfgMsg'),(j&&j.error)||'Save failed',true); return; }
    configOriginal = raw;
    var r = await rapi({action:'service_reload'});
    if (r && r.ok) { setMsg($('cfgMsg'),'Config saved and service reloaded.',false); loadConfig(); }
    else { setMsg($('cfgMsg'),'Saved but reload failed: '+((r&&r.error)||''),true); }
  });
  $('btnDiscard').addEventListener('click', function() { $('cfgEditor').value=configOriginal; showView(); setMsg($('cfgMsg'),'Discarded',false); });
});