/**
 * @fileoverview The bulk of the Recreate PageSets Runs History and
 * Recreate Webpage Archives Runs History pages.
 */

import '../../../elements-sk/modules/icons/delete-icon-sk';
import '../../../elements-sk/modules/icons/redo-icon-sk';

import '../pagination-sk';

import { html } from 'lit/html.js';
import { $$, DomReady } from '../../../infra-sk/modules/dom';
import { fromObject } from '../../../infra-sk/modules/query';
import { jsonOrThrow } from '../../../infra-sk/modules/jsonOrThrow';
import { define } from '../../../elements-sk/modules/define';
import { errorMessage } from '../../../elements-sk/modules/errorMessage';
import { PaginationSk } from '../pagination-sk/pagination-sk';
import { ElementSk } from '../../../infra-sk/modules/ElementSk';

import { getFormattedTimestamp, formatRepeatAfterDays } from '../ctfe_utils';
import {
  ResponsePagination,
  AdminDatastoreTask,
  RedoTaskRequest,
  DeleteTaskRequest,
  GetTasksResponse,
} from '../json';

export class AdminTaskRunsSk extends ElementSk {
  private _tasks: AdminDatastoreTask[] = [];

  private _constrainByUser = false;

  private _constrainByTest = true;

  private _running = false;

  private _pagination: ResponsePagination | null = null;

  constructor() {
    super(AdminTaskRunsSk.template);
    this._upgradeProperty('taskType');
    this._upgradeProperty('getUrl');
    this._upgradeProperty('deleteUrl');
    this._upgradeProperty('redoUrl');
    this._resetPagination();
  }

  private static template = (el: AdminTaskRunsSk) => html`
    <div>
      <h2>${el._constrainByUser ? 'My ' : ''}${el.taskType}</h2>
      <pagination-sk @page-changed=${(e: CustomEvent) => el._pageChanged(e)}></pagination-sk>
      <br />
      <button id="userFilter" @click=${() => el._constrainRunsByUser()}>
        ${el._constrainByUser ? "View Everyone's Runs" : 'View Only My Runs'}
      </button>
      <button id="testFilter" @click=${() => el._constrainRunsByTest()}>
        ${el._constrainByTest ? 'Include Test Run' : 'Exclude Test Runs'}
      </button>

      <br />
      <br />
      <table class="surface-themes-sk secondary-links runssummary" id="runssummary">
        <tr>
          <th>Id</th>
          <th>User</th>
          <th>Timestamps</th>
          <th>Task Config</th>
          <th>Results</th>
          <th>Task Repeats</th>
        </tr>
        ${el._tasks.map((task: AdminDatastoreTask, index: number) =>
          AdminTaskRunsSk.taskRowTemplate(el, task, index)
        )}
      </table>
    </div>
  `;

  private static taskRowTemplate = (el: AdminTaskRunsSk, task: AdminDatastoreTask, index: number) =>
    html` <tr>
      <!-- Id col -->
      <td class="nowrap">
        <span>${task.id}</span>
        <delete-icon-sk
          title="Delete this task"
          alt="Delete"
          ?hidden=${!task.can_delete}
          @click=${() => el._confirmDeleteTask(index)}></delete-icon-sk>
        <redo-icon-sk
          title="Redo this task"
          alt="Redo"
          ?hidden=${!task.can_redo}
          @click=${() => el._confirmRedoTask(index)}></redo-icon-sk>
      </td>
      <!-- User col -->
      <td>${task.username}</td>
      <!-- Timestamps col -->
      <td>
        <table class="inner-table">
          <tr>
            <td>Added:</td>
            <td class="nowrap">${getFormattedTimestamp(task.ts_added)}</td>
          </tr>
          <tr>
            <td>Started:</td>
            <td class="nowrap">${getFormattedTimestamp(task.ts_started)}</td>
          </tr>
          <tr>
            <td>Completed:</td>
            <td class="nowrap">${getFormattedTimestamp(task.ts_completed)}</td>
          </tr>
        </table>
      </td>
      <!-- Task Config col -->
      <td>
        <table class="inner-table">
          <tr>
            <td>PageSet:</td>
            <td>${task.page_sets}</td>
          </tr>
        </table>
      </td>
      <!-- Results col -->
      <td class="nowrap">
        ${task.failure ? html`<div class="error">Failed</div>` : ''}
        ${!task.task_done ? html`<div class="green">Waiting</div>` : ''}
        ${!task.failure && task.task_done ? 'Done' : ''}
        ${task.swarming_logs
          ? html` <br />
              <a href="${task.swarming_logs}" target="_blank" rel="noopener noreferrer">
                Swarming Logs
              </a>`
          : ''}
      </td>
      <!-- Task Repeats -->
      <td>${formatRepeatAfterDays(task.repeat_after_days)}</td>
    </tr>`;

  connectedCallback(): void {
    super.connectedCallback();
    if (this._running) {
      return;
    }
    this._running = true;
    // We wait for everything to load so scaffolding event handlers are
    // attached.
    DomReady.then(() => {
      this._render();
      this._reload().then(() => {
        this._running = false;
      });
    });
  }

  /**
   * @prop {string} taskType - Specifies the type of task. Mirrors the
   * attribute. Possible values include "RecreatePageSets" and
   * "RecreateWebpageArchives".
   */
  get taskType(): string {
    return this.getAttribute('taskType') || '';
  }

  set taskType(val: string) {
    this.setAttribute('taskType', val);
  }

  /**
   * @prop {string} getUrl - Specifies the URL to fetch tasks. Mirrors the
   * attribute.
   */
  get getUrl(): string {
    return this.getAttribute('getUrl') || '';
  }

  set getUrl(val: string) {
    this.setAttribute('getUrl', val);
  }

  /**
   * @prop {string} deleteUrl - Specifies the URL to delete tasks. Mirrors the
   * attribute.
   */
  get deleteUrl(): string {
    return this.getAttribute('deleteUrl') || '';
  }

  set deleteUrl(val: string) {
    this.setAttribute('deleteUrl', val);
  }

  /**
   * @prop {string} redoUrl - Specifies the URL to redo tasks. Mirrors the
   * attribute.
   */
  get redoUrl(): string {
    return this.getAttribute('redoUrl') || '';
  }

  set redoUrl(val: string) {
    this.setAttribute('redoUrl', val);
  }

  _pageChanged(e: CustomEvent): void {
    this._pagination!.offset = e.detail.offset;
    this._reload();
  }

  _reload(): Promise<void> {
    this.dispatchEvent(new CustomEvent('begin-task', { bubbles: true }));
    this._tasks = [];
    const queryParams = {
      offset: this._pagination!.offset,
      size: this._pagination!.size,
      filter_by_logged_in_user: false,
      exclude_dummy_page_sets: false,
    };
    if (this._constrainByUser) {
      queryParams.filter_by_logged_in_user = true;
    }
    if (this._constrainByTest) {
      queryParams.exclude_dummy_page_sets = true;
    }
    return fetch(`${this.getUrl}?${fromObject(queryParams)}`, {
      method: 'POST',
    })
      .then(jsonOrThrow)
      .then((json: GetTasksResponse) => {
        this._tasks = json.data;
        this._pagination = json.pagination;
        ($$('pagination-sk', this) as PaginationSk).pagination = this._pagination!;
        for (let i = 0; i < this._tasks.length; i++) {
          this._tasks[i].can_delete = json.permissions![i].DeleteAllowed;
          this._tasks[i].can_redo = json.permissions![i].RedoAllowed;
          this._tasks[i].id = json.ids![i];
        }
      })
      .catch(errorMessage)
      .finally(() => {
        this._render();
        this.dispatchEvent(new CustomEvent('end-task', { bubbles: true }));
      });
  }

  _confirmDeleteTask(index: number): void {
    const confirmed = window.confirm('Delete this task?');
    if (confirmed) {
      this._deleteTask(index);
    }
  }

  _confirmRedoTask(index: number): void {
    const confirmed = window.confirm('Reschedule this task?');
    if (confirmed) {
      this._redoTask(index);
    }
  }

  _deleteTask(index: number): void {
    const req: DeleteTaskRequest = { id: this._tasks[index].id };
    fetch(this.deleteUrl, { method: 'POST', body: JSON.stringify(req) })
      .then((res) => {
        if (res.ok) {
          window.alert(`Deleted task ${req.id}`);
          return;
        }
        // Non-OK status. Read the response and punt it to the catch.
        res.text().then((text) => {
          throw new Error(`Failed to delete the task: ${text}`);
        });
      })
      .then(() => {
        this._reload();
      })
      .catch(errorMessage);
  }

  _redoTask(index: number): void {
    const req: RedoTaskRequest = { id: this._tasks[index].id };
    fetch(this.redoUrl, { method: 'POST', body: JSON.stringify(req) })
      .then((res) => {
        if (res.ok) {
          window.alert(`Resubmitted task ${req.id}`);
          return;
        }
        // Non-OK status. Read the response and punt it to the catch.
        res.text().then((text) => {
          throw new Error(`Failed to resubmit the task: ${text}`);
        });
      })
      .then(() => {
        this._reload();
      })
      .catch(errorMessage);
  }

  _resetPagination(): void {
    this._pagination = { offset: 0, size: 10, total: 0 };
  }

  _constrainRunsByUser(): void {
    this._constrainByUser = !this._constrainByUser;
    this._resetPagination();
    this._reload();
  }

  _constrainRunsByTest(): void {
    this._constrainByTest = !this._constrainByTest;
    this._resetPagination();
    this._reload();
  }
}

define('admin-task-runs-sk', AdminTaskRunsSk);