/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 * v1.0.0-beta.82
 */
import { Component, h, Element, Event, Listen, Prop, Watch, Method, State } from "@stencil/core";
import { CSS, SLOTS, ICONS } from "./resources";
import { focusElement, getSlotted, toAriaBoolean } from "../../utils/dom";
import { Fragment } from "@stencil/core/internal";
import { getRoundRobinIndex } from "../../utils/array";
import { guid } from "../../utils/guid";
import { createObserver } from "../../utils/observers";
import { connectConditionalSlotComponent, disconnectConditionalSlotComponent } from "../../utils/conditionalSlot";
const SUPPORTED_BUTTON_NAV_KEYS = ["ArrowUp", "ArrowDown"];
const SUPPORTED_MENU_NAV_KEYS = ["ArrowUp", "ArrowDown", "End", "Home"];
/**
 * @slot - A slot for adding `calcite-action`s.
 * @slot trigger - A slot for adding a `calcite-action` to trigger opening the menu.
 * @slot tooltip - A slot for adding an tooltip for the menu.
 */
export class ActionMenu {
  constructor() {
    // --------------------------------------------------------------------------
    //
    //  Properties
    //
    // --------------------------------------------------------------------------
    /**
     * Indicates whether widget is expanded.
     */
    this.expanded = false;
    /**
     * Opens the action menu.
     */
    this.open = false;
    /** Describes the type of positioning to use for the overlaid content. If your element is in a fixed container, use the 'fixed' value. */
    this.overlayPositioning = "absolute";
    /**
     * Determines where the component will be positioned relative to the referenceElement.
     * @see [PopperPlacement](https://github.com/Esri/calcite-components/blob/master/src/utils/popper.ts#L25)
     */
    this.placement = "auto";
    this.actionElements = [];
    this.mutationObserver = createObserver("mutation", () => this.getActions());
    this.guid = `calcite-action-menu-${guid()}`;
    this.menuId = `${this.guid}-menu`;
    this.menuButtonId = `${this.guid}-menu-button`;
    this.activeMenuItemIndex = -1;
    // --------------------------------------------------------------------------
    //
    //  Component Methods
    //
    // --------------------------------------------------------------------------
    this.connectMenuButtonEl = () => {
      const { el, menuButtonId, menuId, open, label } = this;
      const menuButtonEl = getSlotted(el, SLOTS.trigger) || this.defaultMenuButtonEl;
      if (this.menuButtonEl === menuButtonEl) {
        return;
      }
      this.disconnectMenuButtonEl();
      this.menuButtonEl = menuButtonEl;
      this.setTooltipReferenceElement();
      if (!menuButtonEl) {
        return;
      }
      menuButtonEl.active = open;
      menuButtonEl.setAttribute("aria-controls", menuId);
      menuButtonEl.setAttribute("aria-expanded", toAriaBoolean(open));
      menuButtonEl.setAttribute("aria-haspopup", "true");
      if (!menuButtonEl.id) {
        menuButtonEl.id = menuButtonId;
      }
      if (!menuButtonEl.label) {
        menuButtonEl.label = label;
      }
      if (!menuButtonEl.text) {
        menuButtonEl.text = label;
      }
      menuButtonEl.addEventListener("click", this.menuButtonClick);
      menuButtonEl.addEventListener("keydown", this.menuButtonKeyDown);
      menuButtonEl.addEventListener("keyup", this.menuButtonKeyUp);
    };
    this.disconnectMenuButtonEl = () => {
      const { menuButtonEl } = this;
      if (!menuButtonEl) {
        return;
      }
      menuButtonEl.removeEventListener("click", this.menuButtonClick);
      menuButtonEl.removeEventListener("keydown", this.menuButtonKeyDown);
      menuButtonEl.removeEventListener("keyup", this.menuButtonKeyUp);
    };
    this.setDefaultMenuButtonEl = (el) => {
      this.defaultMenuButtonEl = el;
      this.connectMenuButtonEl();
    };
    // --------------------------------------------------------------------------
    //
    //  Private Methods
    //
    // --------------------------------------------------------------------------
    this.handleCalciteActionClick = () => {
      this.open = false;
      this.setFocus();
    };
    this.menuButtonClick = () => {
      this.toggleOpen();
    };
    this.updateTooltip = (event) => {
      const tooltips = event.target
        .assignedElements({
        flatten: true
      })
        .filter((el) => el === null || el === void 0 ? void 0 : el.matches("calcite-tooltip"));
      this.tooltipEl = tooltips[0];
      this.setTooltipReferenceElement();
    };
    this.setTooltipReferenceElement = () => {
      const { tooltipEl, expanded, menuButtonEl } = this;
      if (tooltipEl) {
        tooltipEl.referenceElement = !expanded ? menuButtonEl : null;
      }
    };
    this.updateAction = (action, index) => {
      const { guid, activeMenuItemIndex } = this;
      const id = `${guid}-action-${index}`;
      action.tabIndex = -1;
      action.setAttribute("role", "menuitem");
      if (!action.id) {
        action.id = id;
      }
      action.active = index === activeMenuItemIndex;
    };
    this.updateActions = (actions) => {
      actions === null || actions === void 0 ? void 0 : actions.forEach(this.updateAction);
    };
    this.getActions = () => {
      const { el } = this;
      const actionElements = getSlotted(el, { all: true, matches: "calcite-action" });
      this.updateActions(actionElements);
      this.actionElements = actionElements;
      this.connectMenuButtonEl();
    };
    this.menuButtonKeyUp = (event) => {
      const { key } = event;
      const { actionElements } = this;
      if (!this.isValidKey(key, SUPPORTED_BUTTON_NAV_KEYS)) {
        return;
      }
      event.preventDefault();
      if (!actionElements.length) {
        return;
      }
      this.toggleOpen(true);
      this.handleActionNavigation(key, actionElements);
    };
    this.menuButtonKeyDown = (event) => {
      const { key } = event;
      if (!this.isValidKey(key, SUPPORTED_BUTTON_NAV_KEYS)) {
        return;
      }
      event.preventDefault();
    };
    this.menuActionsContainerKeyDown = (event) => {
      const { key } = event;
      const { actionElements, activeMenuItemIndex } = this;
      if (key === "Tab") {
        this.open = false;
        return;
      }
      if (key === " " || key === "Enter") {
        event.preventDefault();
        const action = actionElements[activeMenuItemIndex];
        action ? action.click() : this.toggleOpen(false);
        return;
      }
      if (this.isValidKey(key, SUPPORTED_MENU_NAV_KEYS)) {
        event.preventDefault();
      }
    };
    this.menuActionsContainerKeyUp = (event) => {
      const { key } = event;
      const { actionElements } = this;
      if (key === "Escape") {
        this.toggleOpen(false);
        return;
      }
      if (!this.isValidKey(key, SUPPORTED_MENU_NAV_KEYS)) {
        return;
      }
      event.preventDefault();
      if (!actionElements.length) {
        return;
      }
      this.handleActionNavigation(key, actionElements);
    };
    this.handleActionNavigation = (key, actions) => {
      const currentIndex = this.activeMenuItemIndex;
      if (key === "Home") {
        this.activeMenuItemIndex = 0;
      }
      if (key === "End") {
        this.activeMenuItemIndex = actions.length - 1;
      }
      if (key === "ArrowUp") {
        this.activeMenuItemIndex = getRoundRobinIndex(Math.max(currentIndex - 1, -1), actions.length);
      }
      if (key === "ArrowDown") {
        this.activeMenuItemIndex = getRoundRobinIndex(currentIndex + 1, actions.length);
      }
    };
    this.toggleOpenEnd = () => {
      this.setFocus();
      this.el.removeEventListener("calcitePopoverOpen", this.toggleOpenEnd);
    };
    this.toggleOpen = (value = !this.open) => {
      this.el.addEventListener("calcitePopoverOpen", this.toggleOpenEnd);
      this.open = value;
    };
  }
  // --------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  // --------------------------------------------------------------------------
  connectedCallback() {
    var _a;
    (_a = this.mutationObserver) === null || _a === void 0 ? void 0 : _a.observe(this.el, { childList: true, subtree: true });
    this.getActions();
    connectConditionalSlotComponent(this);
  }
  disconnectedCallback() {
    var _a;
    (_a = this.mutationObserver) === null || _a === void 0 ? void 0 : _a.disconnect();
    this.disconnectMenuButtonEl();
    disconnectConditionalSlotComponent(this);
  }
  expandedHandler() {
    this.open = false;
    this.setTooltipReferenceElement();
  }
  openHandler(open) {
    this.activeMenuItemIndex = this.open ? 0 : -1;
    if (this.menuButtonEl) {
      this.menuButtonEl.active = open;
    }
    this.calciteActionMenuOpenChange.emit(open);
  }
  closeCalciteActionMenuOnClick(event) {
    const composedPath = event.composedPath();
    if (composedPath.includes(this.el)) {
      return;
    }
    this.open = false;
  }
  activeMenuItemIndexHandler() {
    this.updateActions(this.actionElements);
  }
  // --------------------------------------------------------------------------
  //
  //  Methods
  //
  // --------------------------------------------------------------------------
  /** Sets focus on the component. */
  async setFocus() {
    focusElement(this.open ? this.menuEl : this.menuButtonEl);
  }
  renderMenuButton() {
    const { label, scale } = this;
    const menuButtonSlot = (h("slot", { name: SLOTS.trigger },
      h("calcite-action", { class: CSS.defaultTrigger, icon: ICONS.menu, ref: this.setDefaultMenuButtonEl, scale: scale, text: label })));
    return menuButtonSlot;
  }
  renderMenuItems() {
    const { actionElements, activeMenuItemIndex, open, menuId, menuButtonEl, label, placement, overlayPositioning, flipPlacements } = this;
    const activeAction = actionElements[activeMenuItemIndex];
    const activeDescendantId = (activeAction === null || activeAction === void 0 ? void 0 : activeAction.id) || null;
    return (h("calcite-popover", { disablePointer: true, flipPlacements: flipPlacements, label: label, offsetDistance: 0, open: open, overlayPositioning: overlayPositioning, placement: placement, referenceElement: menuButtonEl },
      h("div", { "aria-activedescendant": activeDescendantId, "aria-labelledby": menuButtonEl === null || menuButtonEl === void 0 ? void 0 : menuButtonEl.id, class: CSS.menu, id: menuId, onClick: this.handleCalciteActionClick, onKeyDown: this.menuActionsContainerKeyDown, onKeyUp: this.menuActionsContainerKeyUp, ref: (el) => (this.menuEl = el), role: "menu", tabIndex: -1 },
        h("slot", null))));
  }
  render() {
    return (h(Fragment, null,
      this.renderMenuButton(),
      this.renderMenuItems(),
      h("slot", { name: SLOTS.tooltip, onSlotchange: this.updateTooltip })));
  }
  isValidKey(key, supportedKeys) {
    return !!supportedKeys.find((k) => k === key);
  }
  static get is() { return "calcite-action-menu"; }
  static get encapsulation() { return "shadow"; }
  static get originalStyleUrls() { return {
    "$": ["action-menu.scss"]
  }; }
  static get styleUrls() { return {
    "$": ["action-menu.css"]
  }; }
  static get properties() { return {
    "expanded": {
      "type": "boolean",
      "mutable": false,
      "complexType": {
        "original": "boolean",
        "resolved": "boolean",
        "references": {}
      },
      "required": false,
      "optional": false,
      "docs": {
        "tags": [],
        "text": "Indicates whether widget is expanded."
      },
      "attribute": "expanded",
      "reflect": true,
      "defaultValue": "false"
    },
    "flipPlacements": {
      "type": "unknown",
      "mutable": false,
      "complexType": {
        "original": "ComputedPlacement[]",
        "resolved": "ComputedPlacement[]",
        "references": {
          "ComputedPlacement": {
            "location": "import",
            "path": "../../utils/popper"
          }
        }
      },
      "required": false,
      "optional": true,
      "docs": {
        "tags": [],
        "text": "Defines the available placements that can be used when a flip occurs."
      }
    },
    "label": {
      "type": "string",
      "mutable": false,
      "complexType": {
        "original": "string",
        "resolved": "string",
        "references": {}
      },
      "required": true,
      "optional": false,
      "docs": {
        "tags": [],
        "text": "Text string for the actions menu."
      },
      "attribute": "label",
      "reflect": false
    },
    "open": {
      "type": "boolean",
      "mutable": true,
      "complexType": {
        "original": "boolean",
        "resolved": "boolean",
        "references": {}
      },
      "required": false,
      "optional": false,
      "docs": {
        "tags": [],
        "text": "Opens the action menu."
      },
      "attribute": "open",
      "reflect": true,
      "defaultValue": "false"
    },
    "overlayPositioning": {
      "type": "string",
      "mutable": false,
      "complexType": {
        "original": "OverlayPositioning",
        "resolved": "\"absolute\" | \"fixed\"",
        "references": {
          "OverlayPositioning": {
            "location": "import",
            "path": "../../utils/popper"
          }
        }
      },
      "required": false,
      "optional": false,
      "docs": {
        "tags": [],
        "text": "Describes the type of positioning to use for the overlaid content. If your element is in a fixed container, use the 'fixed' value."
      },
      "attribute": "overlay-positioning",
      "reflect": false,
      "defaultValue": "\"absolute\""
    },
    "placement": {
      "type": "string",
      "mutable": false,
      "complexType": {
        "original": "PopperPlacement",
        "resolved": "Placement | PlacementRtl | VariationRtl",
        "references": {
          "PopperPlacement": {
            "location": "import",
            "path": "../../utils/popper"
          }
        }
      },
      "required": false,
      "optional": false,
      "docs": {
        "tags": [{
            "name": "see",
            "text": "[PopperPlacement](https://github.com/Esri/calcite-components/blob/master/src/utils/popper.ts#L25)"
          }],
        "text": "Determines where the component will be positioned relative to the referenceElement."
      },
      "attribute": "placement",
      "reflect": true,
      "defaultValue": "\"auto\""
    },
    "scale": {
      "type": "string",
      "mutable": false,
      "complexType": {
        "original": "Scale",
        "resolved": "\"l\" | \"m\" | \"s\"",
        "references": {
          "Scale": {
            "location": "import",
            "path": "../interfaces"
          }
        }
      },
      "required": false,
      "optional": false,
      "docs": {
        "tags": [],
        "text": "Specifies the size of the menu trigger action."
      },
      "attribute": "scale",
      "reflect": true
    }
  }; }
  static get states() { return {
    "activeMenuItemIndex": {}
  }; }
  static get events() { return [{
      "method": "calciteActionMenuOpenChange",
      "name": "calciteActionMenuOpenChange",
      "bubbles": true,
      "cancelable": true,
      "composed": true,
      "docs": {
        "tags": [],
        "text": "Emitted when the open property has changed."
      },
      "complexType": {
        "original": "any",
        "resolved": "any",
        "references": {}
      }
    }]; }
  static get methods() { return {
    "setFocus": {
      "complexType": {
        "signature": "() => Promise<void>",
        "parameters": [],
        "references": {
          "Promise": {
            "location": "global"
          }
        },
        "return": "Promise<void>"
      },
      "docs": {
        "text": "Sets focus on the component.",
        "tags": []
      }
    }
  }; }
  static get elementRef() { return "el"; }
  static get watchers() { return [{
      "propName": "expanded",
      "methodName": "expandedHandler"
    }, {
      "propName": "open",
      "methodName": "openHandler"
    }, {
      "propName": "activeMenuItemIndex",
      "methodName": "activeMenuItemIndexHandler"
    }]; }
  static get listeners() { return [{
      "name": "click",
      "method": "closeCalciteActionMenuOnClick",
      "target": "window",
      "capture": false,
      "passive": false
    }]; }
}