/**
 * This file is part of VILLASweb.
 *
 * VILLASweb is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * VILLASweb is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with VILLASweb. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

import React from 'react';
import PropTypes from 'prop-types';
import { Button, Form, OverlayTrigger, Tooltip } from 'react-bootstrap';
import { Collapse } from 'react-collapse';
import Table from '../common/table';
import TableColumn from '../common/table-column';
import Dialog from "../common/dialogs/dialog";
import Icon from "../common/icon";
import AppDispatcher from "../common/app-dispatcher";

class EditSignalMappingDialog extends React.Component {

  constructor(props) {
    super(props);

    let dir = "";
    if ( this.props.direction === "Output") {
      dir = "out";
    } else if ( this.props.direction === "Input" ) {
      dir = "in";
    }

    this.state = {
      dir,
      signals: [],
      modifiedSignalIDs : [],
      openCollapse: false
    };
  }

  static getDerivedStateFromProps(props, state) {

    // filter all signals by configID and direction
    let signals = [];
    if (props.signalID != null || typeof props.configs === "undefined") {
      signals = props.signals.filter((sig) => {
        return (sig.configID === props.configID) && (sig.direction === state.dir);
      });
    }
    else {
      for (let i = 0; i < props.configs.length; i++) {
        let temp = props.signals.filter((sig) => {
          return (sig.configID === props.configs[i].id) && (sig.direction === state.dir);
        })
        signals = signals.concat(temp);
      }
    }

    signals.forEach(signal => {
      if (signal.checked === undefined) {
        signal.checked = false;
      }
    });

    return {
      signals: signals,
    };
  }

  onClose(canceled) {
    for (let signalID of this.state.modifiedSignalIDs) {

      let sig = this.state.signals.find(s => s.id === signalID);

      //dispatch changes to signal
      AppDispatcher.dispatch({
        type: 'signals/start-edit',
        data: sig,
        token: this.props.sessionToken,
      });
    }

    this.props.onCloseEdit(this.state.dir)
  }

  handleMappingChange = (event, row, column) => {

    let signals = this.state.signals;
    let modifiedSignals = this.state.modifiedSignalIDs;

    console.log("HandleMappingChange", row, column)
      if (column === 2) { // Name change
        signals[row].name = event.target.value;
        if (modifiedSignals.find(id => id === signals[row].id) === undefined) {
          modifiedSignals.push(signals[row].id);
        }
      } else if (column === 3) { // unit change
        signals[row].unit = event.target.value;
        if (modifiedSignals.find(id => id === signals[row].id) === undefined) {
          modifiedSignals.push(signals[row].id);
        }
      } else if (column === 4) { // scaling factor change
        signals[row].scalingFactor = parseFloat(event.target.value);
        if (modifiedSignals.find(id => id === signals[row].id) === undefined) {
          modifiedSignals.push(signals[row].id);
        }
      } else if (column === 1) { //index change
        console.log("Index change")
        signals[row].index =parseInt(event.target.value, 10);
        if (modifiedSignals.find(id => id === signals[row].id) === undefined) {
          modifiedSignals.push(signals[row].id);
        }
      }

      this.setState({
        signals: signals,
        modifiedSignalIDs: modifiedSignals
      })
  };

  handleDelete = (index) => {
    let data = this.state.signals[index]

    AppDispatcher.dispatch({
      type: 'signals/start-remove',
      data: data,
      token: this.props.sessionToken
    });
  };

  handleRemove = () => {
    let checkedSignals = this.state.signals.filter(signal => signal.checked === true);

    checkedSignals.forEach(signal => {
      AppDispatcher.dispatch({
        type: 'signals/start-remove',
        data: signal,
        token: this.props.sessionToken
      });
    })
  }

  handleAdd = (configID = null) => {
    if (typeof this.props.configs !== "undefined") {
      if (configID === null) {
        this.setState({openCollapse: true});
        return;
      }
    }
    else {
      configID = this.props.configID;
    }

    let newSignal = {
      configID: configID,
      direction: this.state.dir,
      name: "PlaceholderName",
      unit: "PlaceholderUnit",
      index: 999,
      scalingFactor: 1.0
    };

    AppDispatcher.dispatch({
      type: 'signals/start-add',
      data: newSignal,
      token: this.props.sessionToken
    });

    this.setState({openCollapse: false});
  };

  resetState() {
      let signals = this.props.signals.filter((sig) => {
        return (sig.configID === this.props.configID) && (sig.direction === this.state.dir);
      });

      this.setState({signals: signals})
  }

  onSignalChecked(signal) {
    let tempSignals = this.state.signals;
    const index = tempSignals.indexOf(signal);

    tempSignals[index].checked = !tempSignals[index].checked;

    this.setState({signals: tempSignals});
  }

  checkAll() {
    let tempSignals = this.state.signals;
    let allChecked = true;

    tempSignals.forEach(signal => {
      if (signal.checked === false) {
        signal.checked = true;
        allChecked = false;
      }
    });

    if (allChecked) {
      tempSignals.forEach(signal => signal.checked = false);
    }

    this.setState({signals: tempSignals});
  }

  render() {
      const buttonStyle = {
        marginLeft: '10px',
      };

      return <Dialog
        show={this.props.show}
        title="Edit Signal Mapping"
        buttonTitle="Save"
        blendOutCancel = {false}
        onClose={(c) => this.onClose(c)}
        onReset={() => this.resetState()}
        valid={true}
      >
        <Form.Group>
          <Form.Label>{this.props.direction} Mapping</Form.Label>
          <Form.Text>Click <i>Index</i>, <i>Name</i> or <i>Unit</i> cell to edit</Form.Text>
          <Table checkbox onChecked={(signal) => this.onSignalChecked(signal)} data={this.state.signals}>
              <TableColumn
                checkbox
                onChecked={(index, event) => this.onSignalChecked(index, event)}
                checkboxKey='checked'
                width='30'
              />
              <TableColumn
                title='Index'
                dataKey='index'
                inlineEditable
                inputType='number'
                onInlineChange={(e, row, column) => this.handleMappingChange(e, row, column)}
              />
              <TableColumn
                title='Name'
                dataKey='name'
                inlineEditable
                inputType='text'
                onInlineChange={(e, row, column) => this.handleMappingChange(e, row, column)}
              />
              <TableColumn
                title='Unit'
                dataKey='unit'
                inlineEditable
                inputType='text'
                onInlineChange={(e, row, column) => this.handleMappingChange(e, row, column)}
              />
              <TableColumn
                title='Scaling Factor'
                dataKey='scalingFactor'
                inlineEditable
                inputType='number'
                onInlineChange={(e, row, column) => this.handleMappingChange(e, row, column)}
              />
              <TableColumn
                title='Remove'
                deleteButton
                onDelete={(index) => this.handleDelete(index)}
              />
          </Table>

          <div className='solid-button' style={{ float: 'right' }}>
            <OverlayTrigger
              key={0}
              placement='left'
              overlay={<Tooltip id={`tooltip-${"check"}`}> Check/Uncheck All </Tooltip>}
            >
              <Button
                variant='secondary'
                key={50}
                onClick={() => this.checkAll()}
                style={buttonStyle}
              >
                <Icon icon="check" />
              </Button>
            </OverlayTrigger>
            <Button
              variant='secondary'
              key={51}
              onClick={() => this.handleRemove()} style={buttonStyle}>
              <Icon icon="minus" /> Remove
            </Button>
            <Button
              variant='secondary'
              key={52}
              onClick={() => this.handleAdd()} style={buttonStyle}>
                <Icon icon="plus" /> Signal
            </Button>
          </div>
          <div>
            <Collapse isOpened={this.state.openCollapse}>
              <h6>Choose a Component Configuration to add the signal to: </h6>
              <div className='solid-button'>
              {typeof this.props.configs !== "undefined" && this.props.configs.map(config => (
                <Button
                  variant='secondary'
                  key={config.id}
                  onClick={() => this.handleAdd(config.id)}
                  style={buttonStyle}
                >
                  {config.name}
                </Button>
              ))}
              </div>
            </Collapse>
          </div>
        </Form.Group>
      </Dialog>;
  }
}

EditSignalMappingDialog.propTypes = {
    name: PropTypes.string,
    length: PropTypes.number,
    signals: PropTypes.arrayOf(
        PropTypes.shape({
            name: PropTypes.string.isRequired,
            unit: PropTypes.string.isRequired,
            direction: PropTypes.string.isRequired,
            configID: PropTypes.number.isRequired,
            index: PropTypes.number.isRequired

        })
    ),
    onChange: PropTypes.func
};

export default EditSignalMappingDialog;