class JobList extends ResourceList {
  static autoInit() {
    for (let jobListElement of document.querySelectorAll('.job-list:not(.no-autoinit)')) {
      new JobList(jobListElement);
    }
  }

  constructor(listContainerElement, options = {}) {
    super(listContainerElement, options);
    this.listjs.list.addEventListener('click', (event) => {this.onClick(event)});
    this.isInitialized = false;
    this.userId = listContainerElement.dataset.userId;
    app.subscribeUser(this.userId).then((response) => {
      app.socket.on('PATCH', (patch) => {
        if (this.isInitialized) {this.onPatch(patch);}
      });
    });
    app.getUser(this.userId).then((user) => {
      this.add(Object.values(user.jobs));
      this.isInitialized = true;
    });
  }

  // #region Mandatory getters and methods to implement
  get item() {
    return `
      <tr class="clickable hoverable service-scheme">
        <td><a class="btn-floating"><i class="nopaque-icons service-icons" data-service="inherit"></i></a></td>
        <td><b class="title"></b><br><i class="description"></i></td>
        <td><span class="badge new job-status-color job-status-text status" data-badge-caption=""></span></td>
        <td class="right-align">
          <a class="action-button btn-floating red waves-effect waves-light" data-action="delete-request"><i class="material-icons">delete</i></a>
          <a class="action-button btn-floating darken waves-effect waves-light" data-action="view"><i class="material-icons">send</i></a>
        </td>
      </tr>
    `.trim();
  }

  get valueNames() {
    return [
      {data: ['id']},
      {data: ['creation-date']},
      {data: ['service']},
      {name: 'status', attr: 'data-status'},
      'description',
      'title'
    ];
  }

  initListContainerElement() {
    if (!this.listContainerElement.hasAttribute('id')) {
      this.listContainerElement.id = Utils.generateElementId('job-list-');
    }
    let listSearchElementId = Utils.generateElementId(`${this.listContainerElement.id}-search-`);
    this.listContainerElement.innerHTML = `
      <div class="input-field">
        <i class="material-icons prefix">search</i>
        <input id="${listSearchElementId}" class="search" type="text"></input>
        <label for="${listSearchElementId}">Search job</label>
      </div>
      <table>
        <thead>
          <tr>
            <th>Service</th>
            <th>Title and Description</th>
            <th>Status</th>
            <th></th>
          </tr>
        </thead>
        <tbody class="list"></tbody>
      </table>
      <ul class="pagination"></ul>
    `.trim();
  }
  // #endregion
  
  // #region Optional methods to implement
  mapResourceToValue(job) {
    return {
      'id': job.id,
      'creation-date': job.creation_date,
      'description': job.description,
      'service': job.service,
      'status': job.status,
      'title': job.title
    };
  }

  sort() {
    this.listjs.sort('creation-date', {order: 'desc'});
  }
  // #endregion

  onClick(event) {
    let jobElement = event.target.closest('tr');
    if (jobElement === null) {return;}
    let jobId = jobElement.dataset.id;
    if (jobId === undefined) {return;}
    let actionButtonElement = event.target.closest('.action-button');
    let action = actionButtonElement === null ? 'view' : actionButtonElement.dataset.action;
    switch (action) {
      case 'delete-request': {
        Utils.deleteJobRequest(this.userId, jobId);
        break;
      }
      case 'view': {
        window.location.href = `/jobs/${jobId}`;
        break;
      }
      default: {
        break;
      }
    }
  }

  onPatch(patch) {
    let re = new RegExp(`^/users/${this.userId}/jobs/([A-Za-z0-9]*)`);
    let filteredPatch = patch.filter(operation => re.test(operation.path));
    for (let operation of filteredPatch) {
      switch(operation.op) {
        case 'add': {
          let re = new RegExp(`^/users/${this.userId}/jobs/([A-Za-z0-9]*)$`);
          if (re.test(operation.path)) {this.add(operation.value);}
          break;
        }
        case 'remove': {
          let re = new RegExp(`^/users/${this.userId}/jobs/([A-Za-z0-9]*)$`);
          if (re.test(operation.path)) {
            let [match, jobId] = operation.path.match(re);
            this.remove(jobId);
          }
          break;
        }
        case 'replace': {
          let re = new RegExp(`^/users/${this.userId}/jobs/([A-Za-z0-9]*)/(service|status|description|title)$`);
          if (re.test(operation.path)) {
            let [match, jobId, valueName] = operation.path.match(re);
            this.replace(jobId, valueName, operation.value);
          }
          break;
        }
        default: {
          break;
        }
      }
    }
  }
}