/*!
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import { expect, type Locator, type Page } from "@playwright/test";
import { BasePage } from "tests/e2e/pages/BasePage";

export class DagRunsPage extends BasePage {
  public static get dagRunsUrl(): string {
    return "/dag_runs";
  }

  public readonly dagRunsTable: Locator;

  public constructor(page: Page) {
    super(page);
    this.dagRunsTable = page.getByRole("table");
  }

  /**
   * Navigate to DAG Runs page and wait for data to load
   */
  public async navigate(): Promise<void> {
    await this.navigateTo(DagRunsPage.dagRunsUrl);
    await this.page.waitForURL(/.*dag_runs/, { timeout: 15_000 });
    await expect(this.dagRunsTable).toBeVisible({ timeout: 10_000 });

    const dataLink = this.dagRunsTable.locator("a[href*='/dags/']").first();
    const noDataMessage = this.page.getByText("No Dag Runs found");

    await expect(dataLink.or(noDataMessage)).toBeVisible({ timeout: 30_000 });
  }

  /**
   * Verify DAG ID filtering via URL parameters
   */
  public async verifyDagIdFiltering(dagIdPattern: string): Promise<void> {
    await this.navigateTo(`${DagRunsPage.dagRunsUrl}?dag_id_pattern=${encodeURIComponent(dagIdPattern)}`);
    await this.page.waitForURL(/.*dag_id_pattern=.*/, { timeout: 15_000 });

    const dataLinks = this.dagRunsTable.locator("a[href*='/dags/']");

    await expect(dataLinks.first()).toBeVisible({ timeout: 30_000 });
    await expect(this.dagRunsTable).toBeVisible();

    const rows = this.dagRunsTable.locator("tbody tr");

    await expect(rows).not.toHaveCount(0);

    const rowCount = await rows.count();

    for (let i = 0; i < Math.min(rowCount, 5); i++) {
      const dagIdLink = rows.nth(i).locator("a[href*='/dags/']").first();

      await expect(dagIdLink).toHaveText(new RegExp(dagIdPattern));
    }
  }

  /**
   * Verify that the table contains DAG run data
   */
  public async verifyDagRunsExist(): Promise<void> {
    const dataLinks = this.dagRunsTable.locator("a[href*='/dags/']");

    await expect(dataLinks.first()).toBeVisible({ timeout: 30_000 });
    await expect(dataLinks).not.toHaveCount(0);
  }

  /**
   * Verify that run details are displayed in the table row
   */
  public async verifyRunDetailsDisplay(): Promise<void> {
    const firstRow = this.dagRunsTable.locator("tbody tr").first();

    await expect(firstRow).toBeVisible({ timeout: 10_000 });

    const dagIdLink = firstRow.locator("a[href*='/dags/']").first();

    await expect(dagIdLink).toBeVisible();
    await expect(dagIdLink).not.toHaveText("");

    const runIdLink = firstRow.locator("a[href*='/runs/']").first();

    await expect(runIdLink).toBeVisible();
    await expect(runIdLink).not.toHaveText("");

    const stateCell = firstRow.locator("td").filter({ hasText: /running|success|failed|queued/i });

    await expect(stateCell.first()).toBeVisible();

    const timeElements = firstRow.locator("time");

    if ((await timeElements.count()) > 0) {
      await expect(timeElements.first()).toBeVisible();
    } else {
      const cellTexts = await firstRow.locator("td").allTextContents();
      const hasDateFormat = cellTexts.some((text) =>
        /\d{4}(?:-\d{2}){2}|(?:\d{1,2}\/){2}\d{4}|(?:\d{1,2}:){2}\d{2}/.test(text),
      );

      expect(hasDateFormat).toBeTruthy();
    }
  }

  /**
   * Verify state filtering via URL parameters
   */
  public async verifyStateFiltering(expectedState: string): Promise<void> {
    await this.navigateTo(`${DagRunsPage.dagRunsUrl}?state=${expectedState.toLowerCase()}`);
    await this.page.waitForURL(/.*state=.*/, { timeout: 15_000 });

    const dataLinks = this.dagRunsTable.locator("a[href*='/dags/']");

    await expect(dataLinks.first()).toBeVisible({ timeout: 30_000 });
    await expect(this.dagRunsTable).toBeVisible();

    const rows = this.dagRunsTable.locator("tbody tr");

    await expect(rows).not.toHaveCount(0);

    const rowCount = await rows.count();

    for (let i = 0; i < rowCount; i++) {
      await expect(rows.nth(i)).toContainText(new RegExp(expectedState, "i"));
    }
  }
}
