// - Import react components
import React, { Component } from 'react'
import { NavLink } from 'react-router-dom'
import { connect } from 'react-redux'
import EventListener, { withOptions } from 'react-event-listener'
import keycode from 'keycode'

// - Import app components


// - Import API
import * as AuthAPI from 'AuthAPI'

// - Import actions
import * as authorizeActions from 'authorizeActions'
import * as globalActions from 'globalActions'

// - Feilds
const color = 'teal';
const colorKey = 'blue';
const sizeCondition = (width) => (width >= 750)



// - Create Sidebar component class
export class Sidebar extends Component {

  /**
   * Component constructor
   * @param  {object} props is an object properties of component
   */
  constructor(props) {
    super(props)

    // Default state
    this.state = {
      sidebarClass: "",
      overlay: false,
      mainStyle: { marginLeft: "210px" },
      // Is sidebar open or not
      open: true,
      // If sidebar is closed by resizing or not
      auto: false,
      // If overlay should be open or not
      overlayOpen: false,
      // If side bar should be closed
      shouldBeClosed: false,


    }

    // Binding functions to `this`
    this.handleLogout = this.handleLogout.bind(this)
    this.open = this.open.bind(this)
    this.getChildren = this.getChildren.bind(this)

  }

  /**
   * Handle open sidebar
   * @param  {boolean} status if is true, sidebar will be open
   * @param  {string} source is the element that fired the function
   */
  open = (status, source) => {

    const width = window.innerWidth

    if (status) {
      // Sidebar style when it's open
      const openStyle = {
        width: "210px",
        transform: "translate(0px, 0px)",
        transition: "transform 450ms cubic-bezier(0.23, 1, 0.32, 1) 0ms"
      }
      this.setState({
        open: true,
        mainStyle: { marginLeft: "210px" },
        sidebarStyle: openStyle,
        sidebarClass: (sizeCondition(width)) ? "sidebar  sidebar__large" : "sidebar  sidebar__over",
        overlay: (sizeCondition(width)) ? false : true


      })

      if (sizeCondition(width)) {
        this.setState({
          auto: false,
          shouldBeClosed: false
        })

      } else {
        this.setState({
          overlayOpen: true
        })
      }

      /**
      * Callback function fired to determine sidebar and overlay sidebar status
      * @param {boolean} if true, the sidebar is open
      */
      this.props.status(true)


    }
    // If it's false sidebar should be closed
    else {
      // Sidebar style when it's closed
      const closeStyle = {
        transform: "translate(-100%, 0px)",
        transition: "transform 450ms cubic-bezier(0.23, 1, 0.32, 1) 0ms"
      }
      this.setState({
        open: false,
        mainStyle: { marginLeft: "0px" },
        sidebarStyle: closeStyle,
        sidebarClass: (sizeCondition(width)) ? "sidebar  sidebar__large"
          : ((source === 'auto') ? "sidebar " : "sidebar  sidebar__over"),
        overlay: false

      })

      switch (source) {
        case 'auto':
          this.setState({
            auto: true
          })
          break;
        case 'overlay':
          this.setState({
            shouldBeClosed: true
          })
          break;
        default:

      }

      if (sizeCondition(width)) {
        // TODO: Get ride of this
      } else {
        this.setState({
          overlayOpen: false
        })
      }

      /**
      * Callback function fired to determine sidebar and overlay sidebar status
      * @param {boolean} if true, the sidebar is open
      */
      this.props.status(false)

    }
    this.props.overlay((sizeCondition(width)) ? false : true)
  }

  /**
   * Handle resize event for window to change sidebar status
   * @param  {event} evt is the event is passed by winodw resize event
   */
  handleResize = (evt) => {

    // Set initial state
    var width = window.innerWidth

    if (sizeCondition(width)) {

      this.setState({
        sidebarClass: "sidebar  sidebar__large",
        overlay: false,
        overlayOpen: false
      })

      this.props.overlay(false)
      if (this.state.auto && !this.state.shouldBeClosed) {
        this.open(true)
        this.setState({ auto: false })
      }
    }
    else {
      if (!this.state.overlayOpen) {
        if (!this.state.auto && this.state.open) {
          this.open(false, 'auto')

        }else{
          this.setState({
            overlayOpen:true,
            overlay:true
          })
        }
      } else {
        this.setState({ sidebarClass: "sidebar  sidebar__over", overlay: true })
        this.props.overlay(true)

      }



    }
  }


  /**
   * Handle logout user
   */
  handleLogout = () => {
    var { dispatch } = this.props
    dispatch(authorizeActions.dbLogout())

  }


  /**
   * Handle keyup event for window to close sidebar
   * @param  {event} evt is the event is passed by winodw key event
   */
  handleKeyUp = (evt) => {
    if (this.state.overlayOpen) {
      if (this.state.open && keycode(event) === 'esc') {
        this.open(false);
      }
    }
  }

  componentWillMount = () => {
    this.props.open(this.open)
  }

  getChildren = () => {
    return React.Children.map(this.props.children, (childe) => {
      if (childe.type.qcName === 'SidebarContent') {
        const sideBarContent =  React.cloneElement(childe, {
          className: this.state.sidebarClass,
          cstyle: this.state.sidebarStyle,
          sidebar: this.open,
          overlay: this.state.overlay
        })
        return sideBarContent
      }
      else if (childe.type.qcName === 'SidebarMain') {
        return React.cloneElement(childe, { cstyle: this.state.mainStyle })
      }

    })

  }

  componentDidMount = () => {
    this.handleResize()
  }

  /**
  * Reneder component DOM
  * @return {react element} return the DOM which rendered by component
  */
  render() {

    return (
      <div id='sidebar'>
        <EventListener
          target="window"
          onResize={this.handleResize}
          onKeyUp={this.handleKeyUp}
        />
        {this.getChildren()}

      </div>

    )
  }
}

/**
 * Map dispatch to props
 * @param  {func} dispatch is the function to dispatch action to reducers
 * @param  {object} ownProps is the props belong to component
 * @return {object}          props of component
 */
const mapDispatchToProps = (dispatch, ownProps) => {
  return {

  }
}

/**
 * Map state to props
 * @param  {object} state is the obeject from redux store
 * @param  {object} ownProps is the props belong to component
 * @return {object}          props of component
 */
const mapStateToProps = (state, ownProps) => {
  return {
  }
}


// - Connect component to redux store
export default connect(mapStateToProps, mapDispatchToProps)(Sidebar)