import React, {PureComponent} from 'react';
import autobind from 'autobind-decorator';
import ContentTypeDropdown from '../dropdowns/ContentTypeDropdown';
import MethodDropdown from '../dropdowns/MethodDropdown';
import Modal from '../base/Modal';
import ModalBody from '../base/ModalBody';
import ModalHeader from '../base/ModalHeader';
import ModalFooter from '../base/ModalFooter';
import {getContentTypeName, METHOD_GET, METHOD_HEAD, METHOD_OPTIONS, METHOD_DELETE} from '../../../common/constants';
import * as models from '../../../models/index';
import {trackEvent} from '../../../analytics/index';

@autobind
class RequestCreateModal extends PureComponent {
  constructor (props) {
    super(props);

    this.state = {
      selectedContentType: null,
      selectedMethod: METHOD_GET,
      parentId: null
    };
  }

  _setModalRef (n) {
    this.modal = n;
  }

  _setInputRef (n) {
    this._input = n;
  }

  async _handleSubmit (e) {
    e.preventDefault();

    const {parentId, selectedContentType, selectedMethod} = this.state;
    const request = models.initModel(models.request.type, {
      parentId,
      name: this._input.value,
      method: selectedMethod
    });

    const finalRequest = await models.request.updateMimeType(
      request,
      this._shouldNotHaveBody() ? null : selectedContentType,
      true,
    );

    this._onSubmitCallback(finalRequest);

    this.hide();
  }

  _handleChangeSelectedContentType (selectedContentType) {
    this.setState({selectedContentType});
    trackEvent('Request Create', 'Content Type Change', selectedContentType);
  }

  _handleChangeSelectedMethod (selectedMethod) {
    this.setState({selectedMethod});
    trackEvent('Request Create', 'Method Change', selectedMethod);
  }

  _shouldNotHaveBody () {
    const {selectedMethod} = this.state;
    return (
      selectedMethod === METHOD_GET ||
      selectedMethod === METHOD_HEAD ||
      selectedMethod === METHOD_DELETE ||
      selectedMethod === METHOD_OPTIONS
    );
  }

  hide () {
    this.modal.hide();
  }

  show ({parentId}) {
    this.modal.show();

    this._input.value = 'My Request';
    this.setState({
      parentId,
      selectedContentType: null,
      selectedMethod: METHOD_GET
    });

    // Need to do this after render because modal focuses itself too
    setTimeout(() => {
      this._input.focus();
      this._input.select();
    }, 100);

    return new Promise(resolve => {
      this._onSubmitCallback = resolve;
    });
  }

  render () {
    const {selectedContentType, selectedMethod} = this.state;

    return (
      <Modal ref={this._setModalRef}>
        <ModalHeader>New Request</ModalHeader>
        <ModalBody noScroll>
          <form onSubmit={this._handleSubmit} className="pad">
            <div className="row-fill">
              <div className="form-control form-control--outlined">
                <label>Name
                  <input ref={this._setInputRef} type="text"/>
                </label>
              </div>
              <div className="form-control" style={{width: 'auto'}}>
                <label>&nbsp;</label>
                <MethodDropdown
                  right
                  className="btn btn--clicky no-wrap"
                  method={selectedMethod}
                  onChange={this._handleChangeSelectedMethod}
                />
              </div>
              {!this._shouldNotHaveBody() ? (
                  <div className="form-control" style={{width: 'auto'}}>
                    <label htmlFor="nothing">&nbsp;
                      <ContentTypeDropdown className="btn btn--clicky no-wrap"
                                           right
                                           contentType={selectedContentType}
                                           onChange={this._handleChangeSelectedContentType}>
                        {getContentTypeName(selectedContentType)}
                        {' '}
                        <i className="fa fa-caret-down"></i>
                      </ContentTypeDropdown>
                    </label>
                  </div>
                ) : null}
            </div>
          </form>
        </ModalBody>
        <ModalFooter>
          <button className="btn" onClick={this._handleSubmit}>
            Create
          </button>
        </ModalFooter>
      </Modal>
    );
  }
}

RequestCreateModal.propTypes = {};

export default RequestCreateModal;