// Outlook Relook — Popup Settings Logic

(function () {
  'use strict';

  // We need access to DEFAULTS and DENSITY_PRESETS from settings-defaults.js,
  // but popup runs in its own context. Duplicate the defaults here.
  // (Content scripts and popup don't share a JS context.)

  var DEFAULTS = {
    theme: 'swiss',
    colorScheme: 'system',
    accentColor: '',
    densityPreset: 'compact',
    compactTopBar: true,
    compactCommandBar: true,
    compactMessageList: true,
    compactReadingPane: true,
    compactFolderPane: true,
    narrowDateColumn: true,
    compressComposeToolbar: true,
    readingPaneMaxWidth: true,
    unifiedHeader: false,
    hideCopilot: true,
    hideSuggestedReplies: true,
    hidePromoBanners: true,
    hideFocusedOtherTabs: true,
    hideSidebarAppIcons: false,
    hideGroupsSection: false,
    hideMyDayButtons: true,
    hideSenderAvatars: false,
    hideFeatureDiscovery: true,
    hideVivaInsights: true,
    hideUnreadOtherBanner: true,
    hideActivityFeed: true,
    unreadDistinction: true,
    previewOwnLine: false,
    normalizeFontWeight: true,
    darkModeEmailFix: true,
    messageListFontSize: 'medium',
    autoCollapseRibbon: true,
    rememberSidebarState: true,
    suppressContactHover: true,
    autoAdvanceAfterDelete: true,
    autoDismissToasts: '5',
    toastPosition: 'top-right',
    stickyReplyBar: true,
    autoResizeCompose: true,
    throttleNotifications: false,
    keyboardMultiSelect: true,
    markAllReadButton: true,
    quickFolderJump: true,
  };

  var DENSITY_PRESETS = {
    comfortable: {
      compactTopBar: false,
      compactCommandBar: false,
      compactMessageList: false,
      compactReadingPane: false,
      compactFolderPane: false,
      narrowDateColumn: false,
      compressComposeToolbar: false,
      readingPaneMaxWidth: true,
    },
    compact: {
      compactTopBar: true,
      compactCommandBar: true,
      compactMessageList: true,
      compactReadingPane: true,
      compactFolderPane: true,
      narrowDateColumn: true,
      compressComposeToolbar: true,
      readingPaneMaxWidth: true,
    },
    'ultra-compact': {
      compactTopBar: true,
      compactCommandBar: true,
      compactMessageList: true,
      compactReadingPane: true,
      compactFolderPane: true,
      narrowDateColumn: true,
      compressComposeToolbar: true,
      readingPaneMaxWidth: true,
    },
  };

  // --- 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] || '';
      }

      // Radio groups
      var radioGroups = document.querySelectorAll('.or-radio-group[data-setting]');
      for (var k = 0; k < radioGroups.length; k++) {
        var key = radioGroups[k].dataset.setting;
        var radio = radioGroups[k].querySelector('input[value="' + settings[key] + '"]');
        if (radio) radio.checked = true;
      }

      // Color picker
      var colorPicker = document.querySelector('input[type="color"][data-setting]');
      if (colorPicker) {
        colorPicker.value = settings.accentColor || '#1976d2';
      }

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

  // --- 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);

      // Density preset: apply to individual toggles
      if (settingKey === 'densityPreset' && DENSITY_PRESETS[value]) {
        var preset = DENSITY_PRESETS[value];
        chrome.storage.sync.set(preset);
        // Update checkboxes in the UI
        var toggleKeys = Object.keys(preset);
        for (var p = 0; p < toggleKeys.length; p++) {
          var checkbox = document.getElementById(toggleKeys[p]);
          if (checkbox) checkbox.checked = preset[toggleKeys[p]];
        }
      }
    });
  }

  // --- Radio group change handlers ---
  var radioGroups = document.querySelectorAll('.or-radio-group[data-setting]');
  for (var r = 0; r < radioGroups.length; r++) {
    var groupKey = radioGroups[r].dataset.setting;
    var radios = radioGroups[r].querySelectorAll('input[type="radio"]');
    for (var ri = 0; ri < radios.length; ri++) {
      (function (gk) {
        radios[ri].addEventListener('change', function () {
          if (this.checked) saveSetting(gk, this.value);
        });
      })(groupKey);
    }
  }

  // --- Color picker change handler ---
  var colorPickers = document.querySelectorAll('input[type="color"][data-setting]');
  for (var cp = 0; cp < colorPickers.length; cp++) {
    colorPickers[cp].addEventListener('input', function () {
      saveSetting(this.dataset.setting, this.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 = 'outlook-relook-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);
        // Only import known keys
        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();
})();