import { Page, Locator, test } from "@playwright/test";
import { TextField } from "./TextField";
import { BaseElement } from "./BaseElement";
import { ListItem } from "./ListItem";
import { IconButton } from "./IconButton";

/**
 * Class representing a Dropdown element.
 * Extends the BaseElement class.
 */
export class Dropdown extends BaseElement {
  private inputField: TextField;
  private clearSelectionIconButton: IconButton;

  /**
   * Create a Dropdown element.
   * @param {Page} page - The Playwright page object.
   * @param {Locator} locator - The locator for the Dropdown element.
   * @param {string} elementReportName - The name for reporting purposes.
   */
  constructor(page: Page, locator: Locator, elementReportName: string) {
    super(page, locator, elementReportName);
    this.inputField = new TextField(page, locator.locator("input"), `${elementReportName} - Input Field`);
    this.clearSelectionIconButton = new IconButton(
      page,
      locator.locator(".clear-indicator"),
      `${elementReportName} - Clear Selection Icon Button`
    );
  }

  /**
   * Get a dropdown item by item.
   * @param {string} item - The name of the item to get the dropdown item for.
   * @returns {Promise<ListItem>} The dropdown item.
   */
  async getDropdownItemByItem(item: string): Promise<ListItem> {
    return await test.step(`Get dropdown item by item ${item} for ${this.getElementReportName()}`, async () => {
      return new ListItem(this.getPage(), this.getLocator().getByRole("option", { name: item }), item);
    });
  }

  /**
   * Check if the dropdown is open.
   * @returns {Promise<boolean>} True if the dropdown is open, false otherwise.
   */
  async isDropdownOpen(): Promise<boolean> {
    return await test.step(`Check if dropdown is open for ${this.getElementReportName()}`, async () => {
      return await this.inputField.isExpanded();
    });
  }

  /**
   * Open the dropdown.
   * @returns {Promise<void>}
   */
  async open(): Promise<void> {
    await test.step(`Open dropdown for ${this.getElementReportName()}`, async () => {
      if (!(await this.isDropdownOpen())) {
        await this.click();
        // Wait for the dropdown to open
        await this.getPage().waitForTimeout(200);
      }
    });
  }

  /**
   * Close the dropdown.
   * @returns {Promise<void>}
   */
  async close(): Promise<void> {
    await test.step(`Close dropdown for ${this.getElementReportName()}`, async () => {
      if (await this.isDropdownOpen()) {
        await this.click();
        // Wait for the dropdown to close
        await this.getPage().waitForTimeout(200);
      }
    });
  }

  /**
   * Select an item from a dropdown.
   * @param {string} item - The value text to be selected in the dropdown.
   * @returns {Promise<void>}
   */
  async selectItem(item: string): Promise<void> {
    await test.step(`Select item ${item} for ${this.getElementReportName()}`, async () => {
      await this.open();
      await this.search(item);
      const listItem = await this.getDropdownItemByItem(item);
      await listItem.click();
    });
  }

  /**
   * Search for an item in the dropdown.
   * @param {string} item - The value text to be searched in the dropdown.
   * @returns {Promise<void>}
   */
  async search(item: string): Promise<void> {
    await test.step(`Search for ${item} for ${this.getElementReportName()}`, async () => {
      await this.inputField.setText(item);
    });
  }

  /**
   * Select multiple items from a dropdown.
   * @param items - The values text to be selected in the dropdown.
   * @returns {Promise<void>}
   */
  async selectMultipleItems(items: string[]): Promise<void> {
    await test.step(`Select multiple items ${items} for ${this.getElementReportName()}`, async () => {
      await this.open();
      for (const item of items) {
        await this.selectItem(item);
      }
    });
  }

  /**
   * Clear the selection.
   * @returns {Promise<void>}
   */
  async clearSelection(): Promise<void> {
    await test.step(`Clear selection for ${this.getElementReportName()}`, async () => {
      await this.clearSelectionIconButton.click();
    });
  }
}