import { Host, h } from "@stencil/core";
import { queryShadowRoot, isHidden, isFocusable } from "../../global/utils/focus-trap";
import { animationTo, KEYFRAMES } from "../../global/utils/animation";
export class IfxModal {
  constructor() {
    this.focusableElements = [];
    this.handleTopFocus = () => {
      this.attemptFocus(this.getLastFocusableElement());
    };
    this.handleBottomFocus = () => {
      this.attemptFocus(this.getFirstFocusableElement());
    };
    this.handleKeypress = (event) => {
      if (!this.showModal) {
        return;
      }
      if (event.key === 'Escape') {
        this.doBeforeClose('ESCAPE_KEY');
      }
    };
    this.opened = false;
    this.showModal = this.opened || false;
    this.caption = 'Modal Title';
    this.closeOnOverlayClick = true;
    this.variant = 'default';
    this.alertIcon = '';
    this.okButtonLabel = 'OK';
    this.cancelButtonLabel = 'Cancel';
    this.slotButtonsPresent = false;
  }
  componentDidLoad() {
    // Query all focusable elements and store them in `focusableElements`.
    // Needed for the "focus trap" functionality.
    this.focusableElements = queryShadowRoot(this.hostElement.shadowRoot, (el) => isHidden(el) || el.matches('[data-focus-trap-edge]'), isFocusable);
  }
  getFirstFocusableElement() {
    return this.focusableElements[0];
  }
  getLastFocusableElement() {
    return this.focusableElements[this.focusableElements.length - 1];
  }
  attemptFocus(element) {
    if (element == null) {
      setTimeout(() => {
        this.closeButton.focus();
      });
      return;
    }
    setTimeout(() => {
      element.focus();
    }, 0);
  }
  open() {
    this.showModal = true;
    try {
      const anim = animationTo(this.modalContainer, KEYFRAMES.fadeIn, {
        duration: 200,
      });
      anim.addEventListener('finish', () => {
        this.attemptFocus(this.getFirstFocusableElement());
        this.ifxModalOpen.emit();
      });
      // this.attemptFocus(this.getFirstFocusableElement());
      // this.ifxModalOpen.emit();
      this.hostElement.addEventListener('keydown', this.handleKeypress);
    }
    catch (err) {
      this.ifxModalOpen.emit();
    }
  }
  close() {
    try {
      const anim = animationTo(this.modalContainer, KEYFRAMES.fadeOut, {
        duration: 200,
      });
      anim.addEventListener('finish', () => {
        this.showModal = false;
        this.ifxModalClose.emit();
      });
      this.hostElement.removeEventListener('keydown', this.handleKeypress);
    }
    catch (err) {
      this.showModal = false;
      this.ifxModalClose.emit();
    }
  }
  doBeforeClose(trigger) {
    const triggers = [];
    triggers.push(trigger);
    const prevented = triggers.some((event) => event.defaultPrevented);
    if (!prevented) {
      this.opened = false;
    }
  }
  openedChanged(newValue) {
    if (newValue === true) {
      this.open();
    }
    else {
      this.close();
    }
  }
  handleOverlayClick() {
    if (this.closeOnOverlayClick) {
      this.doBeforeClose('BACKDROP');
    }
  }
  handleButtonsSlotChange(e) {
    var _a;
    if (((_a = e.currentTarget.assignedElements()[0]) === null || _a === void 0 ? void 0 : _a.childElementCount) > 0) {
      this.slotButtonsPresent = true;
    }
    else {
      this.slotButtonsPresent = false;
    }
  }
  render() {
    const isAlertVariant = this.variant !== 'default';
    return (h(Host, null, h("div", { ref: (el) => (this.modalContainer = el), class: `modal-container ${this.showModal ? 'open' : ''}` }, h("div", { class: "modal-overlay", onClick: () => this.handleOverlayClick() }), h("div", { "data-focus-trap-edge": true, onFocus: this.handleTopFocus, tabindex: "0" }), h("div", { class: `modal-content-container`, role: "dialog", "aria-modal": "true", "aria-label": this.caption }, isAlertVariant ? (h("div", { class: `modal-icon-container ${this.variant === 'alert-brand' ? '' : 'danger'}` }, this.alertIcon ? h("ifx-icon", { icon: this.alertIcon }) : null)) : null, h("div", { class: "modal-content" }, h("div", { class: "modal-header" }, h("h2", null, this.caption), h("ifx-icon-button", { ref: (el) => (this.closeButton = el), icon: "cross-24", variant: "tertiary", onClick: () => this.doBeforeClose('CLOSE_BUTTON') })), h("div", { class: "modal-body" }, h("slot", { name: "content" /*onSlotchange={() => console.log('slots children modified')}*/ })), h("div", { class: `modal-footer ${this.slotButtonsPresent ? 'buttons-present' : ''}` }, h("slot", { name: "buttons", onSlotchange: (e) => this.handleButtonsSlotChange(e) })))), h("div", { "data-focus-trap-edge": true, onFocus: this.handleBottomFocus, tabindex: "0" }))));
  }
  static get is() { return "ifx-modal"; }
  static get encapsulation() { return "shadow"; }
  static get originalStyleUrls() {
    return {
      "$": ["modal.scss"]
    };
  }
  static get styleUrls() {
    return {
      "$": ["modal.css"]
    };
  }
  static get properties() {
    return {
      "opened": {
        "type": "boolean",
        "mutable": true,
        "complexType": {
          "original": "boolean",
          "resolved": "boolean",
          "references": {}
        },
        "required": false,
        "optional": true,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "opened",
        "reflect": true,
        "defaultValue": "false"
      },
      "caption": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "caption",
        "reflect": false,
        "defaultValue": "'Modal Title'"
      },
      "closeOnOverlayClick": {
        "type": "boolean",
        "mutable": false,
        "complexType": {
          "original": "boolean",
          "resolved": "boolean",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "close-on-overlay-click",
        "reflect": false,
        "defaultValue": "true"
      },
      "variant": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "'default' | 'alert-brand' | 'alert-danger'",
          "resolved": "\"alert-brand\" | \"alert-danger\" | \"default\"",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "variant",
        "reflect": false,
        "defaultValue": "'default'"
      },
      "alertIcon": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "alert-icon",
        "reflect": false,
        "defaultValue": "''"
      },
      "okButtonLabel": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "ok-button-label",
        "reflect": false,
        "defaultValue": "'OK'"
      },
      "cancelButtonLabel": {
        "type": "string",
        "mutable": false,
        "complexType": {
          "original": "string",
          "resolved": "string",
          "references": {}
        },
        "required": false,
        "optional": false,
        "docs": {
          "tags": [],
          "text": ""
        },
        "attribute": "cancel-button-label",
        "reflect": false,
        "defaultValue": "'Cancel'"
      }
    };
  }
  static get states() {
    return {
      "showModal": {},
      "slotButtonsPresent": {}
    };
  }
  static get events() {
    return [{
        "method": "ifxModalOpen",
        "name": "ifxModalOpen",
        "bubbles": true,
        "cancelable": true,
        "composed": true,
        "docs": {
          "tags": [],
          "text": ""
        },
        "complexType": {
          "original": "any",
          "resolved": "any",
          "references": {}
        }
      }, {
        "method": "ifxModalClose",
        "name": "ifxModalClose",
        "bubbles": true,
        "cancelable": true,
        "composed": true,
        "docs": {
          "tags": [],
          "text": ""
        },
        "complexType": {
          "original": "any",
          "resolved": "any",
          "references": {}
        }
      }];
  }
  static get elementRef() { return "hostElement"; }
  static get watchers() {
    return [{
        "propName": "opened",
        "methodName": "openedChanged"
      }];
  }
}
//# sourceMappingURL=modal.js.map