import React from 'react';
import PropTypes from 'prop-types';
import { Button, Modal, ModalHeader, Input, ModalBody, ModalFooter, Form, FormGroup, Label, FormText } from 'reactstrap';
import { gettext } from '../../utils/constants';

import '../../css/modal.css';

const propTypes = {
  onCreateRepo: PropTypes.func.isRequired,
  onCreateToggle: PropTypes.func.isRequired,
};

class CreateRepoDialog extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      repoName: '',
      disabled: true,
      encrypt: false,
      password1: '',
      password2: '',
      errMessage: '',
      permission: 'rw'
    };
    this.newInput = React.createRef();
  }

  handleRepoNameChange = (e) => {
    this.setState({repoName: e.target.value});
  }

  handlePassword1Change = (e) => {
    this.setState({password1: e.target.value});
  }

  handlePassword2Change = (e) => {
    this.setState({password2: e.target.value});
  }

  handleSubmit = () => {
    let isValid= this.validateInputParams();
    if (isValid) {
      let repoName = this.state.repoName.trim();
      let password = this.state.encrypt ? this.state.password1 : '';
      let permission= this.state.permission;
      let repo = this.createRepo(repoName, password, permission);
      this.props.onCreateRepo(repo);
    }
  } 

  handleKeyPress = (e) => {
    if (e.key === 'Enter') {
      this.handleSubmit();
    }
  }

  toggle = () => {
    this.props.onCreateToggle();
  }

  componentDidMount() {
    this.newInput.focus();
  }

  validateInputParams() {
    let errMessage = '';
    let repoName = this.state.repoName.trim();
    if (!repoName.length) {
      errMessage = 'Name is required';
      this.setState({errMessage: errMessage});
      return false;
    }
    if (repoName.indexOf('/') > -1) {
      errMessage = 'Name should not include \'/\'.';
      this.setState({errMessage: errMessage});
      return false;
    }
    if (this.state.encrypt) {
      let password1 = this.state.password1.trim();
      let password2 = this.state.password2.trim();
      if (!password1.length) {
        errMessage = 'Please enter password';
        this.setState({errMessage: errMessage});
        return false;
      }
      if (!password2.length) {
        errMessage = 'Please enter the password again';
        this.setState({errMessage: errMessage});
        return false;
      }
      if (password1.length < 8) {
        errMessage = 'Password is too short';
        this.setState({errMessage: errMessage});
        return false;
      }
      if (password1 !== password2) {
        errMessage = 'Passwords don\'t match';
        this.setState({errMessage: errMessage});
        return false;
      }
    }
    return true;
  }

  onPermissionChange = (e) => {
    let permission = e.target.value;
    this.setState({permission: permission});
  }

  onEncrypted = (e) => {
    let isChecked = e.target.checked;
    this.setState({
      encrypt: isChecked,
      disabled: !isChecked
    });
  }

  createRepo = (repoName, password, permission) => {
    let libraryType = this.props.libraryType;
    let encrypt = password ? true : false;
    let repo = null;
    if (libraryType === 'mine' || libraryType === 'public') {
      repo = {
        id: null,
        name: repoName,
        desc: '',
        encrypted: encrypt,
        passwd: password,
        passwd1: password,
        passwd2: password,
        mtime: 0,
        mtime_relative: '',
        owner: '-',
        owner_nickname: '-',
        permission: 'rw',
        storage_name: '-',
      };
    }
    if (libraryType === 'group') {
      repo = {
        repo_name: repoName,
        password: password,
        permission: permission,
      };
    }
    return repo;
  }

  render() {
    return (
      <Modal isOpen={true} toggle={this.toggle} className="repo-dialog">
        <ModalHeader toggle={this.toggle}>{gettext('New Library')}</ModalHeader>
        <ModalBody>
          <Form>
            <FormGroup>
              <Label for="fileName">{gettext('Name')}</Label>
              <Input 
                id="fileName"
                onKeyPress={this.handleKeyPress} 
                innerRef={input => {this.newInput = input;}} 
                value={this.state.repoName} 
                onChange={this.handleRepoNameChange}
              />
            </FormGroup>
            {this.props.libraryType === 'group' && (
              <FormGroup>
                <Label for="exampleSelect">{gettext('Permission')}</Label>
                <Input type="select" name="select" id="exampleSelect" onChange={this.onPermissionChange} value={this.state.permission}>
                  <option value='rw'>rw</option>
                  <option value='r'>r</option>
                </Input>
              </FormGroup>
            )}
            <FormGroup check>
              <Input type="checkbox" id="encrypt" onChange={this.onEncrypted}/>
              <FormText className="text">{gettext('Encrypt')}</FormText>
            </FormGroup>
            <FormGroup>
              <Label for="passwd1">{gettext('Password')}{' '}<span className="tip">({gettext('at least 8 characters')})</span></Label>
              <Input 
                id="passwd1" 
                type="password"
                disabled={this.state.disabled}
                value={this.state.password1} 
                onChange={this.handlePassword1Change}
              />
            </FormGroup>
            <FormGroup>
              <Label for="passwd2">{gettext('Password again')}</Label>
              <Input 
                id="passwd2"
                type="password"
                disabled={this.state.disabled}
                value={this.state.password2} 
                onChange={this.handlePassword2Change}
              />
            </FormGroup>
          </Form>
          <Label className="err-message">{gettext(this.state.errMessage)}</Label>
        </ModalBody>
        <ModalFooter>
          <Button color="primary" onClick={this.handleSubmit}>{gettext('Submit')}</Button>
        </ModalFooter>
      </Modal>
    );
  }
}

CreateRepoDialog.propTypes = propTypes;

export default CreateRepoDialog;