import Api from './api.js';
import React from 'react';
import classnames from 'classnames';

class Panel extends React.Component {
  render = () => {
    if (this.props.component === null) {
      return <div></div>;
    }

    var className = classnames('row', this.props.topClassName);

    return (
      <div className={className}>
        <div className="box col-12">
          <div className="row">
            <div className="col-4">{this.props.title}</div>
          </div>
          <hr/>
          {this.props.component}
        </div>
      </div>);
  }
}

class AccountInformation extends React.Component {
  constructor(props) {
    super(props);
    this.state = {'email': null};
  }

  loadAccount = () => {
    Api.Call('USER_ACCOUNT', {}, function(err, status, data) {
      if (err) {
        console.error(err, data);
        return;
      }

      this.setState({'email': data.email});
    }.bind(this));
  }

  componentDidMount = () => {
    this.loadAccount();
  }

  render = () => {
    var component = <p>Loading...</p>;
    if (this.state.email !== null) {
      component = <p>Email: {this.state.email}</p>;
    }

    return component;
  }

}

class PoloniexConfiguration extends React.Component {
  constructor(props) {
    super(props);
    this.state = {'apiKey': '', 'apiSecret': '', 'status': 'loading', 'editMode': false};
  }

  checkCredentials = () => {
    Api.Call('MARKET_TEST_CREDENTIALS', {'name': 'poloniex'}, function(err, status, data) {
      if (err) {
        console.error(err, data);
        if (err.code === 'invalid_market_credentials') {
          this.setState({'status': 'invalidCredentials'});
        } else if (err.code === 'ip_restricted_api_key') {
          this.setState({'status': 'ipRestricted'});
        } else if (err.code === 'market_credentials_not_configured') {
          this.setState({'status': 'emptyCredentials'});
        }
        return;
      }

      this.setState({'status': 'ok'});
    }.bind(this));
  }

  handleCredentialsChange = (key, secret) => {
    this.setState({'apiKey': key, 'apiSecret': secret});
  }

  handleCredentialsSubmit = () => {
    this.setState({'status': 'loading', 'editMode': false});
    Api.Call('UPDATE_MARKET', {'key': this.state.apiKey, 'secret': this.state.apiSecret, 'name': 'poloniex'}, function(err, status, data) {
      if (err) {
        console.error(err, data);
        if (err.code === 'invalid_market_credentials') {
          this.setState({'status': 'invalidCredentials'});
        } else if (err.code === 'ip_restricted_api_key') {
          this.setState({'status': 'ipRestricted'});
        }
        return;
      }

      this.checkCredentials();
    }.bind(this));
  }

  componentDidMount = () => {
    this.checkCredentials();
  }

  onEditClick = () => {
   Api.Call('MARKET', {'name': 'poloniex'}, function(err, status, data) {
      this.setState({'editMode': true});
      if (err) {
        console.error(err, data);
        return;
      }

      var newStatus = this.state.status;
      if (!data.key || !data.secret) {
        newStatus = 'emptyCredentials';
      }

      this.setState({'apiKey': data.key, 'apiSecret': data.secret, 'status': newStatus});
    }.bind(this));
  }

  render = () => {
    var displayText = null;
    switch (this.state.status) {
      case 'loading':
        displayText = 'Checking Poloniex credentials...';
        break;
      case 'invalidCredentials':
        displayText = 'Invalid poloniex credentials';
        break;
      case 'ipRestricted':
        displayText = 'Your API key is IP restricted.';
        break;
      case 'emptyCredentials':
        displayText = 'Please provide poloniex credentials';
        break;
      case 'ok':
        displayText = 'You are all set !';
        break;
      default:
        console.error('unknown status', this.state.status);
        displayText = null;
    }

    return (
        <PoloniexCredentialsForm onLoadCredentials={this.onLoadCredentials}
                                 onCredentialsSubmit={this.handleCredentialsSubmit}
                                 onCredentialsChange={this.handleCredentialsChange}
                                 apiSecret={this.state.apiSecret}
                                 apiKey={this.state.apiKey}
                                 status={this.state.status}
                                 statusMessage={displayText}
                                 editMode={this.state.editMode}
                                 onEditClick={this.onEditClick}/>
    );
  }
}

class PoloniexCredentialsForm extends React.Component {
  handleSubmit = (e) => {
    this.props.onCredentialsSubmit();
    e.preventDefault();
  }

  handleApiKeyChange = (event) => {
    this.props.onCredentialsChange(event.target.value, this.props.apiSecret);
  }

  handleApiSecretChange = (event) => {
    this.props.onCredentialsChange(this.props.apiKey, event.target.value);
  }

  render = () => {
    var submitType      = this.props.editMode === true ? 'submit' : 'hidden';
    var buttonDisplay   = this.props.editMode === true ? 'none' : 'inline';
    var secretDisplayed = this.props.editMode === true ? this.props.apiSecret : 'XXXXXXX';
    var keyDisplayed    = this.props.editMode === true ? this.props.apiKey : 'XXXXXXX';

    var iconName = 'icon-cancel-circled';
    switch (this.props.status) {
      case 'loading':
        iconName = 'icon-hourglass-2';
        break;
      case 'ok':
        iconName = 'icon-ok-circled';
        break;
    }

    return (
        <React.Fragment>
        <div className="row config-status">
          <div className="col-12">
            <span><i className={iconName}></i>{this.props.statusMessage}</span>
          </div>
        </div>
        <div className="row">
          <div className="col-12">
            <form role="form" onSubmit={this.handleSubmit}>
              <label className="w-100">Key:
                <input className="form-control" type="text" placeholder="key" value={keyDisplayed} onChange={this.handleApiKeyChange} disabled={!this.props.editMode}/>
              </label>
              <label className="w-100">Secret:
                <input className="form-control" type="text" placeholder="secret" value={secretDisplayed} onChange={this.handleApiSecretChange} disabled={!this.props.editMode}/>
              </label>
              <input className="form-control submit" type={submitType} value="Save" />
              <button className="form-control submit" style={{display: buttonDisplay}} onSubmit={null} onClick={this.props.onEditClick} type="button">Show/Edit</button>
            </form>
          </div>
        </div>
        </React.Fragment>
       );
  }
}

class UserAccount extends React.Component {
  render = () => {
    return (
      <React.Fragment>
        <Panel component={<AccountInformation/>} title="Account" />
        <Panel component={<PoloniexConfiguration/>} title="Poloniex credentials" topClassName="api-credentials-form" />
      </React.Fragment>
    );
  }
}

export default UserAccount;