import React from 'react';
import './SkynetExport.css';
import CheckboxTree from 'react-checkbox-tree';
import {connect} from 'react-redux';
import IPCContainer from '../IPCContainer/IPCContainer';
import {notifyApplicationBusy} from '../../redux/actions/common_actions';
import {notifyError, notifyInfo} from '../../redux/actions/error_actions';
import Box from '../../components/UI/Box/Box';
import {displaySkynetExport} from '../../redux/actions/skynet_actions';
import {FontAwesomeIcon} from '@fortawesome/react-fontawesome';
import {
  faCheckSquare,
  faChevronDown,
  faChevronRight,
  faFile,
  faFolder,
  faFolderOpen,
  faHSquare,
  faMinusSquare,
  faPlusSquare,
  faSquare,
} from '@fortawesome/free-solid-svg-icons';
import Button from '../../components/UI/Button/Button';

const Constants = require('../../constants');

const mapStateToProps = (state) => {
  return {
    AppBusy: state.common.AppBusy,
  };
};

const mapDispatchToProps = (dispatch) => {
  return {
    displaySkynetExport: (display) => dispatch(displaySkynetExport(display)),
    notifyApplicationBusy: (busy) => dispatch(notifyApplicationBusy(busy, true)),
    notifyError: (msg) => dispatch(notifyError(msg)),
    notifyInfo: (title, msg) => dispatch(notifyInfo(title, msg, true, 'skynet_export', 'json')),
  };
};

export default connect(
  mapStateToProps,
  mapDispatchToProps
)(
  class extends IPCContainer {
    state = {
      checked: [],
      clicked: {},
      expanded: [],
      nodes: [],
      second_stage: false,
    };

    componentDidMount() {
      this.setRequestHandler(Constants.IPC_Grab_Skynet_Tree_Reply, this.onGrabSkynetTreeReply);
      this.setRequestHandler(Constants.IPC_Export_Skylinks_Reply, this.onExportSkylinksReply);
      this.sendRequest(Constants.IPC_Grab_Skynet_Tree, {
        Version: this.props.version,
      });
    }

    componentWillUnmount() {
      super.componentWillUnmount();
    }

    createNodes = (items) => {
      /*
    {
      name: '',
      path: '',
      directory: true/false,
      children: [],
    }
     */
      const ret = [];
      for (const item of items) {
        const treeItem = {
          label: item.name,
          path: item.path,
          value: item.name === '/' ? 0 : item.path ? item.path : JSON.stringify(item),
        };

        if (item.directory) {
          treeItem.children = this.createNodes(item.children);
        }

        ret.push(treeItem);
      }

      return ret;
    };

    handleNavigation = () => {
      if (this.state.second_stage) {
        this.props.notifyApplicationBusy(true);
        this.sendRequest(Constants.IPC_Export_Skylinks, {
          Version: this.props.version,
          Paths: this.state.checked,
        });
      } else {
        if (this.state.checked.length === 0) {
          this.props.notifyError('No files have been checked');
        } else {
          this.setState({
            second_stage: true,
          });
        }
      }
    };

    onExportSkylinksReply = (_, arg) => {
      this.props.notifyApplicationBusy(false);
      if (arg.data.Success) {
        this.setState(
          {
            checked: [],
            clicked: {},
            expanded: [],
            nodes: [],
            second_stage: false,
          },
          () => {
            this.props.notifyInfo(
              'Skylink Exports',
              '!alternate!!copyable!' + JSON.stringify(arg.data.Result.success, null, 2)
            );
            this.sendRequest(Constants.IPC_Grab_Skynet_Tree, {
              Version: this.props.version,
            });
          }
        );
      } else {
        this.props.notifyError(arg.data.Error);
      }
    };

    onGrabSkynetTreeReply = (_, arg) => {
      if (arg.data.Success) {
        this.setState({
          checked: [],
          expanded: [0],
          nodes: this.createNodes(arg.data.Result),
        });
      } else {
        this.setState(
          {
            checked: [],
            expanded: [],
            nodes: [],
          },
          () => {
            this.props.notifyError(arg.data.Error);
          }
        );
      }
    };

    render() {
      return this.props.AppBusy ? (
        <div/>
      ) : (
        <Box
          dxDark
          dxStyle={{
            height: '90vh',
            padding: 'var(--default_spacing)',
            width: 'calc(100vw - (var(--default_spacing) * 4)',
          }}>
          <div
            style={{
              float: 'right',
              margin: 0,
              padding: 0,
              marginTop: '-4px',
              boxSizing: 'border-box',
              display: 'block',
            }}>
            <a
              href={'#'}
              onClick={() => this.props.displaySkynetExport(false)}
              style={{cursor: 'pointer'}}>
              X
            </a>
          </div>
          <h1 className={'SkynetExportHeading'}>
            {this.state.second_stage ? 'Verify Exports' : 'Export Files'}
          </h1>
          <div className={this.state.second_stage ? 'SkynetExportList' : 'SkynetExportTree'}>
            {this.state.second_stage ? (
              this.state.checked.map((path) => {
                return (
                  <input
                    readOnly
                    className={'ConfigurationItemInput'}
                    key={path}
                    style={{
                      width: '100%',
                      marginBottom: 'var(--default_spacing)',
                    }}
                    type={'text'}
                    value={path}
                  />
                );
              })
            ) : (
              <CheckboxTree
                checked={this.state.checked}
                expanded={this.state.expanded}
                expandOnClick
                showExpandAll
                icons={{
                  check: (
                    <FontAwesomeIcon
                      icon={faCheckSquare}
                      fixedWidth
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  uncheck: (
                    <FontAwesomeIcon icon={faSquare} fixedWidth style={{padding: 0, margin: 0}}/>
                  ),
                  halfCheck: (
                    <FontAwesomeIcon
                      icon={faHSquare}
                      fixedWidth
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  expandClose: (
                    <FontAwesomeIcon
                      icon={faChevronRight}
                      fixedWidth
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  expandOpen: (
                    <FontAwesomeIcon
                      icon={faChevronDown}
                      fixedWidth
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  expandAll: (
                    <FontAwesomeIcon
                      icon={faPlusSquare}
                      fixedWidth
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  collapseAll: (
                    <FontAwesomeIcon
                      icon={faMinusSquare}
                      fixedWidth
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  parentClose: (
                    <FontAwesomeIcon
                      icon={faFolder}
                      fixedWidth
                      color={'var(--heading_text_color)'}
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  parentOpen: (
                    <FontAwesomeIcon
                      icon={faFolderOpen}
                      fixedWidth
                      color={'var(--heading_text_color)'}
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                  leaf: (
                    <FontAwesomeIcon
                      icon={faFile}
                      fixedWidth
                      color={'var(--text_color)'}
                      style={{padding: 0, margin: 0}}
                    />
                  ),
                }}
                nodes={this.state.nodes}
                onClick={(clicked) => this.setState({clicked})}
                onCheck={(checked) => this.setState({checked})}
                onExpand={(expanded) => this.setState({expanded})}
              />
            )}
          </div>
          <div style={{display: 'flex', justifyContent: 'flex-end'}}>
            {this.state.second_stage ? (
              <Button
                buttonStyles={{
                  height: 'auto',
                  marginLeft: 'var(--default_spacing)',
                  marginTop: 'var(--default_spacing)',
                  width: 'auto',
                }}
                clicked={() =>
                  this.setState({
                    second_stage: false,
                  })
                }>
                {'Back'}
              </Button>
            ) : null}
            <Button
              buttonStyles={{
                height: 'auto',
                marginLeft: 'var(--default_spacing)',
                marginTop: 'var(--default_spacing)',
                width: 'auto',
              }}
              clicked={this.handleNavigation}>
              {this.state.second_stage ? 'Export' : 'Next'}
            </Button>
          </div>
        </Box>
      );
    }
  }
);