// Outcut — Popup Settings Logic

(function () {
  'use strict';

  // Defaults — must stay in sync with content/settings-defaults.js
  // (popup runs in its own JS context, no access to content script globals)

  var DEFAULTS = {
    // Primary feature
    keyboardMultiSelect: true,
    keyboardPreset: 'gmail',

    // Design tweaks master toggle
    enableDesignTweaks: false,

    // Theme & Appearance
    theme: 'swiss',
    colorScheme: 'system',
    accentColor: '',

    // Density & Spacing
    densityPreset: 'compact',
    compactTopBar: true,
    compactCommandBar: true,
    compactMessageList: true,
    compactReadingPane: true,
    compactFolderPane: true,
    narrowDateColumn: true,
    compressComposeToolbar: true,
    readingPaneMaxWidth: true,
    unifiedHeader: false,

    // Hide Elements
    hideCopilot: true,
    hideSuggestedReplies: true,
    hidePromoBanners: true,
    hideFocusedOtherTabs: true,
    hideSidebarAppIcons: false,
    hideGroupsSection: false,
    hideMyDayButtons: false,
    hideSenderAvatars: false,
    hideFeatureDiscovery: true,
    hideVivaInsights: true,
    hideUnreadOtherBanner: true,
    hideActivityFeed: true,

    // Readability
    unreadDistinction: true,
    previewOwnLine: false,
    normalizeFontWeight: true,
    darkModeEmailFix: true,
    messageListFontSize: 'medium',

    // Behavior
    autoCollapseRibbon: true,
    rememberSidebarState: true,
    suppressContactHover: true,
    autoAdvanceAfterDelete: true,
    autoDismissToasts: '5',
    toastPosition: 'top-right',
    stickyReplyBar: true,
    autoResizeCompose: true,
    throttleNotifications: false,

    // Quick Actions
    markAllReadButton: true,
    quickFolderJump: true,
  };

  // --- Keyboard help text ---
  function updateKeyboardHelp(presetName) {
    var helpEl = document.getElementById('keyboardHelpText');
    if (!helpEl) return;
    var presets = {
      gmail: 'j/k navigate, x/Space select, # delete, e archive, Shift+i/u read/unread, v move, f flag, p pin, Esc deselect',
      outlook: 'Arrows navigate, Space select, Del/Backspace delete, e archive, q read/unread, v move, f flag, p pin, Esc deselect'
    };
    helpEl.textContent = presets[presetName] || presets.gmail;
  }

  // --- Load settings and populate UI ---
  function loadUI() {
    chrome.storage.sync.get(DEFAULTS, function (settings) {
      // Checkboxes
      var checkboxes = document.querySelectorAll('input[type="checkbox"][data-setting]');
      for (var i = 0; i < checkboxes.length; i++) {
        checkboxes[i].checked = !!settings[checkboxes[i].dataset.setting];
      }

      // Selects
      var selects = document.querySelectorAll('select[data-setting]');
      for (var j = 0; j < selects.length; j++) {
        selects[j].value = settings[selects[j].dataset.setting] || '';
      }

      // Version
      var manifest = chrome.runtime.getManifest();
      document.getElementById('version').textContent = 'v' + manifest.version;

      // Update help text based on current preset
      updateKeyboardHelp(settings.keyboardPreset || 'gmail');
    });
  }

  // --- Save a single setting ---
  function saveSetting(key, value) {
    var obj = {};
    obj[key] = value;
    chrome.storage.sync.set(obj);
  }

  // --- Section accordion ---
  var sectionHeaders = document.querySelectorAll('.or-section-header');
  for (var s = 0; s < sectionHeaders.length; s++) {
    sectionHeaders[s].addEventListener('click', function () {
      this.parentElement.classList.toggle('open');
    });
  }

  // --- Checkbox change handlers ---
  var checkboxes = document.querySelectorAll('input[type="checkbox"][data-setting]');
  for (var c = 0; c < checkboxes.length; c++) {
    checkboxes[c].addEventListener('change', function () {
      saveSetting(this.dataset.setting, this.checked);
    });
  }

  // --- Select change handlers ---
  var selects = document.querySelectorAll('select[data-setting]');
  for (var sl = 0; sl < selects.length; sl++) {
    selects[sl].addEventListener('change', function () {
      var settingKey = this.dataset.setting;
      var value = this.value;
      saveSetting(settingKey, value);

      if (settingKey === 'keyboardPreset') {
        updateKeyboardHelp(value);
      }
    });
  }

  // --- Export settings ---
  document.getElementById('exportBtn').addEventListener('click', function () {
    chrome.storage.sync.get(DEFAULTS, function (settings) {
      var blob = new Blob([JSON.stringify(settings, null, 2)], { type: 'application/json' });
      var url = URL.createObjectURL(blob);
      var a = document.createElement('a');
      a.href = url;
      a.download = 'outcut-settings.json';
      a.click();
      URL.revokeObjectURL(url);
    });
  });

  // --- Import settings ---
  document.getElementById('importBtn').addEventListener('click', function () {
    document.getElementById('importFile').click();
  });

  document.getElementById('importFile').addEventListener('change', function (e) {
    var file = e.target.files[0];
    if (!file) return;

    var reader = new FileReader();
    reader.onload = function (event) {
      try {
        var imported = JSON.parse(event.target.result);
        var cleaned = {};
        var defaultKeys = Object.keys(DEFAULTS);
        for (var i = 0; i < defaultKeys.length; i++) {
          if (defaultKeys[i] in imported) cleaned[defaultKeys[i]] = imported[defaultKeys[i]];
        }
        chrome.storage.sync.set(cleaned, function () {
          loadUI();
        });
      } catch (err) {
        alert('Invalid settings file.');
      }
    };
    reader.readAsText(file);
    e.target.value = '';
  });

  // --- Reset to defaults ---
  document.getElementById('resetBtn').addEventListener('click', function () {
    if (confirm('Reset all settings to defaults?')) {
      chrome.storage.sync.set(DEFAULTS, function () {
        loadUI();
      });
    }
  });

  // --- Init ---
  loadUI();
})();