import React, {Component, PropTypes} from 'react'
import classnames from 'classnames'
import WorkspaceDropdown from './dropdowns/WorkspaceDropdown'
import DebouncingInput from './base/DebouncingInput'
import RequestActionsDropdown from './dropdowns/RequestActionsDropdown'
import MethodTag from './MethodTag'
import Dropdown from './base/Dropdown'

class Sidebar extends Component {
  onFilterChange (value) {
    this.props.changeFilter(value);
  }

  renderRequestGroupRow (requestGroup) {
    const {activeFilter, activeRequest, addRequest, toggleRequestGroup, requests, requestGroups} = this.props;

    let filteredRequests = requests.filter(
      r => {
        // TODO: Move this to a lib file

        if (!activeFilter) {
          return true;
        }

        const toMatch = `${r.method} ::: ${r.name}`.toLowerCase();
        const matchTokens = activeFilter.split(' ');
        for (let i = 0; i < matchTokens.length; i++) {
          if (toMatch.indexOf(matchTokens[i]) === -1) {
            return false;
          }
        }

        return true;
      }
    );

    if (!requestGroup) {
      // Grab all requests that are not children of request groups
      // TODO: Optimize this
      filteredRequests = filteredRequests.filter(r => {
        return !requestGroups.find(rg => {
          return rg.children.find(c => c.id === r.id)
        })
      });

      return filteredRequests.map(request => this.renderRequestRow(request));
    }

    // Grab all of the children for this request group
    filteredRequests = filteredRequests.filter(
      r => requestGroup.children.find(c => c.id === r.id)
    );

    // Don't show folder if it was not in the filter
    if (activeFilter && !filteredRequests.length) {
      return null;
    }

    const isActive = activeRequest && filteredRequests.find(r => r.id == activeRequest.id);

    let folderIconClass = 'fa-folder';
    let expanded = activeFilter || !requestGroup.collapsed;
    folderIconClass += !expanded ? '' : '-open';
    folderIconClass += isActive ? '' : '-o';
    
    const sidebarItemClassNames = classnames(
      'sidebar__item',
      'sidebar__item--bordered',
      {'sidebar__item--active': isActive}
    );
    
    return (
      <li key={requestGroup.id}>
        <div className={sidebarItemClassNames}>
          <div className="sidebar__item__row">
            <button onClick={e => toggleRequestGroup(requestGroup.id)}>
              <i className={'fa ' + folderIconClass}></i>
              &nbsp;&nbsp;&nbsp;{requestGroup.name}
            </button>
          </div>
          <div className="sidebar__item__btn">
            <button onClick={(e) => addRequest(requestGroup.id)}>
              <i className="fa fa-plus-circle"></i>
            </button>
            <Dropdown right={true} className="tall">
              <button>
                <i className="fa fa-caret-down"></i>
              </button>
              <ul>
                <li><button>Hello</button></li>
                <li><button>Hello</button></li>
                <li><button>Hello</button></li>
              </ul>
            </Dropdown>
          </div>
        </div>
        <ul>
          {!expanded ? null : filteredRequests.map(request => this.renderRequestRow(request, requestGroup))}
        </ul>
      </li>
    );
  }

  renderRequestRow (request, requestGroup = null) {
    const {activeRequest, activateRequest} = this.props;
    const isActive = activeRequest && request.id === activeRequest.id;

    return (
      <li key={request.id}>
        <div className={'sidebar__item ' + (isActive ? 'sidebar__item--active' : '')}>
          <div className="sidebar__item__row">
            <button onClick={() => {activateRequest(request.id)}}>
              <MethodTag method={request.method}/> {request.name}
            </button>
          </div>
          <RequestActionsDropdown
            className="sidebar__item__btn"
            right={true}
            request={request}
            requestGroup={requestGroup}
          />
        </div>
      </li>
    );
  }

  render () {
    const {activeFilter, requestGroups} = this.props;

    return (
      <aside className="sidebar pane bg-dark">
        <div className="grid-v">
          <header className="pane__header">
            <h1><WorkspaceDropdown /></h1>
          </header>
          <div className="pane__body grid-v">
            <div className="stock-height form-control form-control--outlined">
              <DebouncingInput
                type="text"
                placeholder="Filter Requests"
                debounceMillis={100}
                value={activeFilter}
                onChange={this.onFilterChange.bind(this)}/>
            </div>
            <ul className="sidebar__scroll hover-scrollbars sidebar__request-list">
              {this.renderRequestGroupRow(null)}
              {requestGroups.map(requestGroup => this.renderRequestGroupRow(requestGroup))}
            </ul>
          </div>
        </div>
      </aside>
    )
  }
}

Sidebar.propTypes = {
  activateRequest: PropTypes.func.isRequired,
  changeFilter: PropTypes.func.isRequired,
  toggleRequestGroup: PropTypes.func.isRequired,
  activeFilter: PropTypes.string,
  requests: PropTypes.array.isRequired,
  requestGroups: PropTypes.array.isRequired,
  activeRequest: PropTypes.object
};

export default Sidebar;