/*!
 * 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.97
 */
import { h, Host } from "@stencil/core";
import { focusElement, getElementDir } from "../../utils/dom";
import { CSS_UTILITY } from "../../utils/resources";
import { updateHostInteraction } from "../../utils/interactive";
/** Any attributes placed on <calcite-link> component will propagate to the rendered child */
/** Passing a 'href' will render an anchor link, instead of a span. Role will be set to link, or link, depending on this. */
/** It is the consumers responsibility to add aria information, rel, target, for links, and any link attributes for form submission */
/** @slot - A slot for adding text. */
export class Link {
  constructor() {
    //--------------------------------------------------------------------------
    //
    //  Properties
    //
    //--------------------------------------------------------------------------
    /** When `true`, interaction is prevented and the component is displayed with lower opacity. */
    this.disabled = false;
    /**
     * Prompts the user to save the linked URL instead of navigating to it. Can be used with or without a value:
     * Without a value, the browser will suggest a filename/extension
     * See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#attr-download.
     */
    this.download = false;
    this.childElClickHandler = (event) => {
      if (!event.isTrusted) {
        // click was invoked internally, we stop it here
        event.stopPropagation();
      }
    };
    //--------------------------------------------------------------------------
    //
    //  Private Methods
    //
    //--------------------------------------------------------------------------
    this.storeTagRef = (el) => {
      this.childEl = el;
    };
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  componentDidRender() {
    updateHostInteraction(this);
  }
  render() {
    const { download, el } = this;
    const dir = getElementDir(el);
    const childElType = this.href ? "a" : "span";
    const iconStartEl = (h("calcite-icon", { class: "calcite-link--icon icon-start", flipRtl: this.iconFlipRtl === "start" || this.iconFlipRtl === "both", icon: this.iconStart, scale: "s" }));
    const iconEndEl = (h("calcite-icon", { class: "calcite-link--icon icon-end", flipRtl: this.iconFlipRtl === "end" || this.iconFlipRtl === "both", icon: this.iconEnd, scale: "s" }));
    const Tag = childElType;
    const role = childElType === "span" ? "link" : null;
    const tabIndex = childElType === "span" ? 0 : null;
    return (h(Host, { role: "presentation" }, h(Tag, { class: { [CSS_UTILITY.rtl]: dir === "rtl" },
      /*
      When the 'download' property of type 'boolean | string' is set to true, the value is "".
      This works around that issue for now.
      */
      download: Tag === "a" && (download === "" || download) ? download : null, href: Tag === "a" && this.href, onClick: this.childElClickHandler, ref: this.storeTagRef, rel: Tag === "a" && this.rel, role: role, tabIndex: tabIndex, target: Tag === "a" && this.target }, this.iconStart ? iconStartEl : null, h("slot", null), this.iconEnd ? iconEndEl : null)));
  }
  //--------------------------------------------------------------------------
  //
  //  Events
  //
  //--------------------------------------------------------------------------
  clickHandler(event) {
    // forwards the click() to the internal link for non user-initiated events
    if (!event.isTrusted) {
      this.childEl.click();
    }
  }
  //--------------------------------------------------------------------------
  //
  //  Public Methods
  //
  //--------------------------------------------------------------------------
  /** Sets focus on the component. */
  async setFocus() {
    focusElement(this.childEl);
  }
  static get is() { return "calcite-link"; }
  static get encapsulation() { return "shadow"; }
  static get originalStyleUrls() {
    return {
      "$": ["link.scss"]
    };
  }
  static get styleUrls() {
    return {
      "$": ["link.css"]
    };
  }
  static get properties() {
    return {
      "disabled": {
        "type": "boolean",
        "mutable": false,
        "complexType": {
          "original": "boolean",
          "resolved": "boolean",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "When `true`, interaction is prevented and the component is displayed with lower opacity."
        },
        "attribute": "disabled",
        "reflect": true,
        "defaultValue": "false"
      },
      "download": {
        "type": "any",
        "mutable": false,
        "complexType": {
          "original": "string | boolean",
          "resolved": "boolean | string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": "Prompts the user to save the linked URL instead of navigating to it. Can be used with or without a value:\nWithout a value, the browser will suggest a filename/extension\nSee https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#attr-download."
        },
        "attribute": "download",
        "reflect": true,
        "defaultValue": "false"
      },
      "href": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": "Specifies the URL of the linked resource, which can be set as an absolute or relative path."
        },
        "attribute": "href",
        "reflect": true
      },
      "iconEnd": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": "Specifies an icon to display at the end of the component."
        },
        "attribute": "icon-end",
        "reflect": true
      },
      "iconFlipRtl": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "FlipContext",
          "resolved": "\"both\" | \"end\" | \"start\"",
          "references": {
            "FlipContext": {
              "location": "import",
              "path": "../interfaces"
            }
          }
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": "When `true`, the icon will be flipped when the element direction is right-to-left (`\"rtl\"`)."
        },
        "attribute": "icon-flip-rtl",
        "reflect": true
      },
      "iconStart": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": "Specifies an icon to display at the start of the component."
        },
        "attribute": "icon-start",
        "reflect": true
      },
      "rel": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": "Specifies the relationship to the linked document defined in `href`."
        },
        "attribute": "rel",
        "reflect": false
      },
      "target": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": "Specifies the frame or window to open the linked document."
        },
        "attribute": "target",
        "reflect": false
      }
    };
  }
  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 listeners() {
    return [{
        "name": "click",
        "method": "clickHandler",
        "target": undefined,
        "capture": false,
        "passive": false
      }];
  }
}