React = require 'react/addons'
OnboardingActions = require './onboarding-actions'
ReactCSSTransitionGroup = React.addons.CSSTransitionGroup
PageRouterStore = require './page-router-store'

WelcomePage = require './welcome-page'
AccountChoosePage = require './account-choose-page'
AccountSettingsPage = require './account-settings-page'
InitialPreferencesPage = require './initial-preferences-page'
InitialPackagesPage = require './initial-packages-page'

class PageRouter extends React.Component
  @displayName: 'PageRouter'
  @containerRequired: false

  constructor: (@props) ->
    @state = @_getStateFromStore()
    window.OnboardingActions = OnboardingActions

  _getStateFromStore: =>
    page: PageRouterStore.page()
    pageData: PageRouterStore.pageData()

  componentDidMount: =>
    atom.setSize(667,482)
    @unsubscribe = PageRouterStore.listen(@_onStateChanged, @)

  componentDidUpdate: =>
    setTimeout( =>
      @_resizePage()
    ,10)

  _resizePage: =>
    {width,height} = React.findDOMNode(@refs.container).getBoundingClientRect()
    atom.setSizeAnimated(width,height)

  _onStateChanged: => @setState(@_getStateFromStore())

  componentWillUnmount: => @unsubscribe?()

  render: =>
    <div className="page-frame">
      {@_renderDragRegion()}
      <div
        className="page-container"
        ref="container"
        transitionName="page"
        leaveTimeout={150}
        enterTimeout={150}>
        {@_renderCurrentPage()}
      </div>
      {@_renderGradients()}

    <div className="page-background" style={background: "#f6f7f8"}/>
    </div>

  _renderGradients: =>
    gradient = @state.pageData?.provider?.color
    if gradient
      background = "linear-gradient(to top, #f6f7f8, #{gradient})"
    else
      background = "linear-gradient(to top, #f6f7f8 0%,  rgba(255,255,255,0) 100%),
                    linear-gradient(to right, #e1e58f 0%, #a8d29e 50%, #8bc9c9 100%)"

    <div className="page-gradient" style={background: background}/>

  _renderCurrentPage: =>
    switch @state.page
      when "welcome"
        <WelcomePage key="welcome" pageData={@state.pageData} />
      when "account-choose"
        <AccountChoosePage key="account-choose" pageData={@state.pageData} />
      when "account-settings"
        <AccountSettingsPage key="account-settings" pageData={@state.pageData} onResize={@_resizePage} />
      when "initial-preferences"
        <InitialPreferencesPage key="initial-preferences" pageData={@state.pageData} />
      when "initial-packages"
        <InitialPackagesPage key="initial-packages" pageData={@state.pageData} />
      else
        <div></div>

  _renderDragRegion: ->
    styles =
      top:0
      left:40
      right:0
      height: 20
      zIndex:100
      position: 'absolute'
      "WebkitAppRegion": "drag"
    <div className="dragRegion" style={styles}></div>

module.exports = PageRouter