const h = '<svg viewBox="0 0 16 16" width="12" height="12"><path fill="currentColor" d="M6 10.5a.5.5 0 0 1 .5-.5h3a.5.5 0 0 1 0 1h-3a.5.5 0 0 1-.5-.5zm-2-3a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7a.5.5 0 0 1-.5-.5zm-2-3a.5.5 0 0 1 .5-.5h11a.5.5 0 0 1 0 1h-11a.5.5 0 0 1-.5-.5z"/></svg>', x = {
  expand: "▶",
  collapse: "▼",
  sortAsc: "▲",
  sortDesc: "▼",
  sortNone: "⇅",
  submenuArrow: "▶",
  dragHandle: "⋮⋮",
  toolPanel: "☰",
  filter: h,
  filterActive: h,
  print: "🖨️"
};
class C {
  /**
   * Plugin dependencies - declare other plugins this one requires.
   *
   * Dependencies are validated when the plugin is attached.
   * Required dependencies throw an error if missing.
   * Optional dependencies log an info message if missing.
   *
   * @example
   * ```typescript
   * static readonly dependencies: PluginDependency[] = [
   *   { name: 'editing', required: true, reason: 'Tracks cell edits for undo/redo' },
   *   { name: 'selection', required: false, reason: 'Enables selection-based undo' },
   * ];
   * ```
   */
  static dependencies;
  /**
   * Plugin manifest - declares owned properties, config rules, and hook priorities.
   *
   * This is read by the configuration validator to:
   * - Validate that required plugins are loaded when their properties are used
   * - Execute configRules to detect invalid/conflicting settings
   * - Order hook execution based on priority
   *
   * @example
   * ```typescript
   * static override readonly manifest: PluginManifest<MyConfig> = {
   *   ownedProperties: [
   *     { property: 'myProp', level: 'column', description: 'the "myProp" column property' },
   *   ],
   *   configRules: [
   *     { id: 'myPlugin/conflict', severity: 'warn', message: '...', check: (c) => c.a && c.b },
   *   ],
   * };
   * ```
   */
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  static manifest;
  /**
   * Plugin version - defaults to grid version for built-in plugins.
   * Third-party plugins can override with their own semver.
   */
  version = typeof __GRID_VERSION__ < "u" ? __GRID_VERSION__ : "dev";
  /** CSS styles to inject into the grid's shadow DOM */
  styles;
  /** Custom cell renderers keyed by type name */
  cellRenderers;
  /** Custom header renderers keyed by type name */
  headerRenderers;
  /** Custom cell editors keyed by type name */
  cellEditors;
  /** The grid instance this plugin is attached to */
  grid;
  /** Plugin configuration - merged with defaults in attach() */
  config;
  /** User-provided configuration from constructor */
  userConfig;
  /**
   * Plugin-level AbortController for event listener cleanup.
   * Created fresh in attach(), aborted in detach().
   * This ensures event listeners are properly cleaned up when plugins are re-attached.
   */
  #t;
  /**
   * Default configuration - subclasses should override this getter.
   * Note: This must be a getter (not property initializer) for proper inheritance
   * since property initializers run after parent constructor.
   */
  get defaultConfig() {
    return {};
  }
  constructor(t = {}) {
    this.userConfig = t;
  }
  /**
   * Called when the plugin is attached to a grid.
   * Override to set up event listeners, initialize state, etc.
   *
   * @example
   * ```ts
   * attach(grid: GridElement): void {
   *   super.attach(grid);
   *   // Set up document-level listeners with auto-cleanup
   *   document.addEventListener('keydown', this.handleEscape, {
   *     signal: this.disconnectSignal
   *   });
   * }
   * ```
   */
  attach(t) {
    this.#t?.abort(), this.#t = new AbortController(), this.grid = t, this.config = { ...this.defaultConfig, ...this.userConfig };
  }
  /**
   * Called when the plugin is detached from a grid.
   * Override to clean up event listeners, timers, etc.
   *
   * @example
   * ```ts
   * detach(): void {
   *   // Clean up any state not handled by disconnectSignal
   *   this.selectedRows.clear();
   *   this.cache = null;
   * }
   * ```
   */
  detach() {
    this.#t?.abort(), this.#t = void 0;
  }
  /**
   * Get another plugin instance from the same grid.
   * Use for inter-plugin communication.
   *
   * @example
   * ```ts
   * const selection = this.getPlugin(SelectionPlugin);
   * if (selection) {
   *   const selectedRows = selection.getSelectedRows();
   * }
   * ```
   */
  getPlugin(t) {
    return this.grid?.getPlugin(t);
  }
  /**
   * Emit a custom event from the grid.
   */
  emit(t, e) {
    this.grid?.dispatchEvent?.(new CustomEvent(t, { detail: e, bubbles: !0 }));
  }
  /**
   * Emit a cancelable custom event from the grid.
   * @returns `true` if the event was cancelled (preventDefault called), `false` otherwise
   */
  emitCancelable(t, e) {
    const o = new CustomEvent(t, { detail: e, bubbles: !0, cancelable: !0 });
    return this.grid?.dispatchEvent?.(o), o.defaultPrevented;
  }
  /**
   * Request a re-render of the grid.
   */
  requestRender() {
    this.grid?.requestRender?.();
  }
  /**
   * Request a re-render and restore focus styling afterward.
   * Use this when a plugin action (like expand/collapse) triggers a render
   * but needs to maintain keyboard navigation focus.
   */
  requestRenderWithFocus() {
    this.grid?.requestRenderWithFocus?.();
  }
  /**
   * Request a lightweight style update without rebuilding DOM.
   * Use this instead of requestRender() when only CSS classes need updating.
   */
  requestAfterRender() {
    this.grid?.requestAfterRender?.();
  }
  /**
   * Get the current rows from the grid.
   */
  get rows() {
    return this.grid?.rows ?? [];
  }
  /**
   * Get the original unfiltered/unprocessed rows from the grid.
   * Use this when you need all source data regardless of active filters.
   */
  get sourceRows() {
    return this.grid?.sourceRows ?? [];
  }
  /**
   * Get the current columns from the grid.
   */
  get columns() {
    return this.grid?.columns ?? [];
  }
  /**
   * Get only visible columns from the grid (excludes hidden).
   * Use this for rendering that needs to match the grid template.
   */
  get visibleColumns() {
    return this.grid?._visibleColumns ?? [];
  }
  /**
   * Get the grid as an HTMLElement for direct DOM operations.
   * Use sparingly - prefer the typed GridElementRef API when possible.
   *
   * @example
   * ```ts
   * const width = this.gridElement.clientWidth;
   * this.gridElement.classList.add('my-plugin-active');
   * ```
   */
  get gridElement() {
    return this.grid;
  }
  /**
   * Get the disconnect signal for event listener cleanup.
   * This signal is aborted when the grid disconnects from the DOM.
   * Use this when adding event listeners that should be cleaned up automatically.
   *
   * Best for:
   * - Document/window-level listeners added in attach()
   * - Listeners on the grid element itself
   * - Any listener that should persist across renders
   *
   * Not needed for:
   * - Listeners on elements created in afterRender() (removed with element)
   *
   * @example
   * element.addEventListener('click', handler, { signal: this.disconnectSignal });
   * document.addEventListener('keydown', handler, { signal: this.disconnectSignal });
   */
  get disconnectSignal() {
    return this.#t?.signal ?? this.grid?.disconnectSignal;
  }
  /**
   * Get the grid-level icons configuration.
   * Returns merged icons (user config + defaults).
   */
  get gridIcons() {
    const t = this.grid?.gridConfig?.icons ?? {};
    return { ...x, ...t };
  }
  // #region Animation Helpers
  /**
   * Check if animations are enabled at the grid level.
   * Respects gridConfig.animation.mode and the CSS variable set by the grid.
   *
   * Plugins should use this to skip animations when:
   * - Animation mode is 'off' or `false`
   * - User prefers reduced motion and mode is 'reduced-motion' (default)
   *
   * @example
   * ```ts
   * private get animationStyle(): 'slide' | 'fade' | false {
   *   if (!this.isAnimationEnabled) return false;
   *   return this.config.animation ?? 'slide';
   * }
   * ```
   */
  get isAnimationEnabled() {
    const t = this.grid?.effectiveConfig?.animation?.mode ?? "reduced-motion";
    if (t === !1 || t === "off") return !1;
    if (t === !0 || t === "on") return !0;
    const e = this.gridElement;
    return e ? getComputedStyle(e).getPropertyValue("--tbw-animation-enabled").trim() !== "0" : !0;
  }
  /**
   * Get the animation duration in milliseconds from CSS variable.
   * Falls back to 200ms if not set.
   *
   * Plugins can use this for their animation timing to stay consistent
   * with the grid-level animation.duration setting.
   *
   * @example
   * ```ts
   * element.animate(keyframes, { duration: this.animationDuration });
   * ```
   */
  get animationDuration() {
    const t = this.gridElement;
    if (t) {
      const e = getComputedStyle(t).getPropertyValue("--tbw-animation-duration").trim(), o = parseInt(e, 10);
      if (!isNaN(o)) return o;
    }
    return 200;
  }
  // #endregion
  /**
   * Resolve an icon value to string or HTMLElement.
   * Checks plugin config first, then grid-level icons, then defaults.
   *
   * @param iconKey - The icon key in GridIcons (e.g., 'expand', 'collapse')
   * @param pluginOverride - Optional plugin-level override
   * @returns The resolved icon value
   */
  resolveIcon(t, e) {
    return e !== void 0 ? e : this.gridIcons[t];
  }
  /**
   * Set an icon value on an element.
   * Handles both string (text/HTML) and HTMLElement values.
   *
   * @param element - The element to set the icon on
   * @param icon - The icon value (string or HTMLElement)
   */
  setIcon(t, e) {
    typeof e == "string" ? t.innerHTML = e : e instanceof HTMLElement && (t.innerHTML = "", t.appendChild(e.cloneNode(!0)));
  }
  /**
   * Log a warning message.
   */
  warn(t) {
    console.warn(`[tbw-grid:${this.name}] ${t}`);
  }
  // #endregion
}
function S(r, t, e) {
  return t.length ? [...r].sort((o, i) => {
    for (const n of t) {
      const d = e.find((c) => c.field === n.field)?.sortComparator ?? v, u = o[n.field], f = i[n.field], s = d(u, f, o, i);
      if (s !== 0)
        return n.direction === "asc" ? s : -s;
    }
    return 0;
  }) : [...r];
}
function v(r, t) {
  return r == null && t == null ? 0 : r == null ? 1 : t == null ? -1 : typeof r == "number" && typeof t == "number" ? r - t : r instanceof Date && t instanceof Date ? r.getTime() - t.getTime() : typeof r == "boolean" && typeof t == "boolean" ? r === t ? 0 : r ? -1 : 1 : String(r).localeCompare(String(t));
}
function w(r, t, e, o) {
  const i = r.find((n) => n.field === t);
  return e ? i ? i.direction === "asc" ? r.map((n) => n.field === t ? { ...n, direction: "desc" } : n) : r.filter((n) => n.field !== t) : r.length < o ? [...r, { field: t, direction: "asc" }] : r : i?.direction === "asc" ? [{ field: t, direction: "desc" }] : i?.direction === "desc" ? [] : [{ field: t, direction: "asc" }];
}
function m(r, t) {
  const e = r.findIndex((o) => o.field === t);
  return e >= 0 ? e + 1 : void 0;
}
function p(r, t) {
  return r.find((e) => e.field === t)?.direction;
}
const y = '@layer tbw-plugins{.header-cell[data-sort=asc]:after{content:"↑";margin-left:var(--tbw-spacing-xs, .25em);opacity:.8}.header-cell[data-sort=desc]:after{content:"↓";margin-left:var(--tbw-spacing-xs, .25em);opacity:.8}.sort-indicator{margin-left:var(--tbw-spacing-xs, .25em);opacity:.8}.sort-index{font-size:var(--tbw-font-size-2xs, .7em);background:var(--tbw-multi-sort-badge-bg, var(--tbw-color-panel-bg));color:var(--tbw-multi-sort-badge-color, var(--tbw-color-fg));border-radius:50%;width:var(--tbw-multi-sort-badge-size, 1em);height:var(--tbw-multi-sort-badge-size, 1em);display:inline-flex;align-items:center;justify-content:center;margin-left:var(--tbw-spacing-xs, .125em);font-weight:600}}';
class M extends C {
  /** @internal */
  name = "multiSort";
  /** @internal */
  styles = y;
  /** @internal */
  get defaultConfig() {
    return {
      maxSortColumns: 3,
      showSortIndex: !0
    };
  }
  // #region Internal State
  sortModel = [];
  // #endregion
  // #region Lifecycle
  /** @internal */
  detach() {
    this.sortModel = [];
  }
  // #endregion
  // #region Hooks
  /** @internal */
  processRows(t) {
    return this.sortModel.length === 0 ? [...t] : S([...t], this.sortModel, [...this.columns]);
  }
  /** @internal */
  onHeaderClick(t) {
    if (!this.columns.find((n) => n.field === t.field)?.sortable) return !1;
    const o = t.originalEvent.shiftKey, i = this.config.maxSortColumns ?? 3;
    return this.sortModel = w(this.sortModel, t.field, o, i), this.emit("sort-change", { sortModel: [...this.sortModel] }), this.requestRender(), !0;
  }
  /** @internal */
  afterRender() {
    const t = this.gridElement;
    if (!t) return;
    const e = this.config.showSortIndex !== !1;
    t.querySelectorAll(".header-row .cell[data-field]").forEach((i) => {
      const n = i.getAttribute("data-field");
      if (!n) return;
      const a = m(this.sortModel, n), d = p(this.sortModel, n);
      if (i.querySelector(".sort-index")?.remove(), d) {
        i.querySelector('[part~="sort-indicator"], .sort-indicator')?.remove(), i.setAttribute("data-sort", d);
        const s = document.createElement("span");
        s.className = "sort-indicator", this.setIcon(s, this.resolveIcon(d === "asc" ? "sortAsc" : "sortDesc"));
        const c = i.querySelector(".tbw-filter-btn"), b = i.querySelector(".resize-handle"), g = c ?? b;
        if (g ? i.insertBefore(s, g) : i.appendChild(s), e && this.sortModel.length > 1 && a !== void 0) {
          const l = document.createElement("span");
          l.className = "sort-index", l.textContent = String(a), s.nextSibling ? i.insertBefore(l, s.nextSibling) : i.appendChild(l);
        }
      } else
        i.removeAttribute("data-sort");
    });
  }
  // #endregion
  // #region Public API
  /**
   * Get the current sort model.
   * @returns Copy of the current sort model
   */
  getSortModel() {
    return [...this.sortModel];
  }
  /**
   * Set the sort model programmatically.
   * @param model - New sort model to apply
   */
  setSortModel(t) {
    this.sortModel = [...t], this.emit("sort-change", { sortModel: [...t] }), this.requestRender();
  }
  /**
   * Clear all sorting.
   */
  clearSort() {
    this.sortModel = [], this.emit("sort-change", { sortModel: [] }), this.requestRender();
  }
  /**
   * Get the sort index (1-based) for a specific field.
   * @param field - Field to check
   * @returns 1-based index or undefined if not sorted
   */
  getSortIndex(t) {
    return m(this.sortModel, t);
  }
  /**
   * Get the sort direction for a specific field.
   * @param field - Field to check
   * @returns Sort direction or undefined if not sorted
   */
  getSortDirection(t) {
    return p(this.sortModel, t);
  }
  // #endregion
  // #region Column State Hooks
  /**
   * Return sort state for a column if it's in the sort model.
   * @internal
   */
  getColumnState(t) {
    const e = this.sortModel.findIndex((i) => i.field === t);
    return e === -1 ? void 0 : {
      sort: {
        direction: this.sortModel[e].direction,
        priority: e
      }
    };
  }
  /**
   * Apply sort state from column state.
   * Rebuilds the sort model from all column states.
   * @internal
   */
  applyColumnState(t, e) {
    if (!e.sort) {
      this.sortModel = this.sortModel.filter((n) => n.field !== t);
      return;
    }
    const o = this.sortModel.findIndex((n) => n.field === t), i = {
      field: t,
      direction: e.sort.direction
    };
    o !== -1 ? this.sortModel[o] = i : this.sortModel.splice(e.sort.priority, 0, i);
  }
  // #endregion
}
export {
  M as MultiSortPlugin
};
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