import React, { PropTypes } from 'react'
import { findWhere } from 'lodash'
import { setSearchFilter, switchFolder, uncacheArticle, saveAllArticles, switchArticle, clearSearch } from '../actions'
import { openModal, isModalOpen } from 'browser/lib/modal'
import FolderMark from 'browser/components/FolderMark'
import Preferences from '../modal/Preferences'
import CreateNewFolder from '../modal/CreateNewFolder'
import _ from 'lodash'
import ModeIcon from 'browser/components/ModeIcon'

const ipc = require('electron').ipcRenderer

const BRAND_COLOR = '#18AF90'
const OSX = global.process.platform === 'darwin'

const preferenceTutorialElement = (
  <svg width='300' height='300' className='tutorial'>
    <text x='15' y='30' fill={BRAND_COLOR} fontSize='24'>Preference</text>
    <svg x='-30' y='-270' width='400' height='400'>
      <path fill='white' d='M165.9,297c5.3,0,10.6,0.1,15.8,0.1c3.3,0,7.7,0.8,10.7-1c2.3-1.4,3.1-4,4.5-6.2c3.5-5.5,9.6-5.2,14.6-1.9
c4.6,3.1,8.7,8,8.4,13.8c-0.3,5.2-3.3,10.1-6.1,14.3c-3.1,4.7-6.6,7-12.2,7.9c-5.2,0.8-11.7,1.6-15.4-3
c-6.6-8.2,2.1-20.5,7.4-27.1c6.5-8.1,20.1-14,26.4-2.1c5.4,10.3-3.1,21.7-13,24.8c-5.7,1.8-11,0.9-16.2-1.9c-2-1.1-5-2.6-6.6-4.4
c-3.9-4.3-0.3-8.2,2.5-11.2c1.3-1.4-0.8-3.6-2.1-2.1c-2.7,2.9-5.8,6.6-5.1,10.9c0.7,4.4,5.6,6.9,9,8.9c8.6,5.1,18.7,4.8,26.8-1.2
c7.3-5.4,11.6-15,8-23.7c-3.3-8.1-11.7-11.8-20-9c-12.5,4.1-33.7,33.5-15.9,43.1c6.8,3.7,19.8,1.8,25.3-3.6
c6.1-5.8,12.1-17.2,9.5-25.7c-2.6-8.4-13.7-17-22.6-13.3c-1.6,0.7-3,1.7-4.1,3c-1.6,1.9-2.2,5.1-4.1,6.6c-3.1,2.4-10.1,1-13.7,1
c-4,0-7.9,0-11.9-0.1C164,294,164,297,165.9,297L165.9,297z'/>
    </svg>
  </svg>
)

const newPostTutorialElement = (
  <svg width='900' height='900' className='tutorial'>
    <text x='290' y='155' fill={BRAND_COLOR} fontSize='24'>Create a new post!!</text>
    <text x='300' y='180' fill={BRAND_COLOR} fontSize='16' children={`press \`${OSX === 'darwin' ? '⌘' : '^'} + Enter\` or \`a\``}/>
    <svg x='130' y='-20' width='400' height='400'>
      <path fill='white' d='M56.2,132.5c11.7-2.9,23.9-6,36.1-4.1c8.7,1.4,16.6,5.5,23.7,10.5c13.3,9.4,24.5,21.5,40.2,27
  c1.8,0.6,2.6-2.3,0.8-2.9c-17.1-6-28.9-20.3-44-29.7c-7-4.4-14.8-7.4-23-8.2c-11.7-1.1-23.3,1.7-34.5,4.5
  C53.6,130.1,54.4,133,56.2,132.5L56.2,132.5 z'/>
    </svg>
    <svg x='130' y='-120' width='400' height='400'>
      <path fill='white' d='M82.6,218c-7.7,4.5-15.3,9.3-22.7,14.3c-1,0.7-0.9,2.4,0.4,2.7c6.2,1.8,11.5,4.8,16.2,9.2
        c1.4,1.3,3.5-0.8,2.1-2.1c-5.1-4.8-10.9-8.1-17.6-10c0.1,0.9,0.2,1.8,0.4,2.7c7.4-5,15-9.8,22.7-14.3
        C85.7,219.7,84.2,217.1,82.6,218L82.6,218z'/>
    </svg>
  </svg>
)

const newFolderTutorialElement = (
  <svg width='800' height='500' className='tutorial'>
    <text x='145' y='110' fill={BRAND_COLOR} fontSize='24'>Create a new folder!!</text>
    <svg x='115' y='-10' width='300' height='400'>
      <path fill='white' d='M36.6,3.7C28.8,8.2,21.3,13,13.9,18c-1,0.7-0.9,2.4,0.4,2.7c6.2,1.8,11.5,4.8,16.2,9.2
c1.4,1.3,3.5-0.8,2.1-2.1c-5.1-4.8-10.9-8.1-17.6-10c0.1,0.9,0.2,1.8,0.4,2.7c7.4-5,15-9.8,22.7-14.3C39.7,5.3,38.2,2.7,36.6,3.7
L36.6,3.7z'/>
      <path fill='white' d='M16.8,21.5c13.3-6.9,29.5-7,42.6,0.6c5.6,3.2,10.4,7.7,14.1,13c3.8,5.4,10.3,16.2,2.2,20.6
c-1.2,0.7-2.5,1.2-3.9,1.6c-1.1,0.4-2.3,0.5-3.4,0.5c-1.3-1.4-2.6-2.8-3.9-4.2c-0.2-4.6,7.5-6,10.5-5.8
c7.4,0.7,13.7,6.2,18.4,11.6c9.4,10.7,14.7,24.3,15.6,38.5c0.1,1.9,3.1,1.9,3,0c-0.9-15.5-6.9-30.4-17.5-41.8
c-6.8-7.3-25.8-19.1-32.3-4.8c-1.9,4.1,0.3,8.5,4.8,9.4c4.6,0.8,11.6-1.8,14.3-5.7c3.6-5.3-0.1-12.8-2.8-17.6
c-3.4-6.1-8.2-11.3-13.8-15.4C50.2,11.6,31,10.9,15.3,19C13.6,19.8,15.1,22.4,16.8,21.5L16.8,21.5z'/>
    </svg>
  </svg>
)

export default class ArticleNavigator extends React.Component {
  constructor (props) {
    super(props)
    this.newFolderHandler = e => {
      if (isModalOpen()) return true
      this.handleNewFolderButton(e)
    }
  }

  componentDidMount () {
    ipc.on('nav-new-folder', this.newFolderHandler)
  }

  componentWillUnmount () {
    ipc.removeListener('nav-new-folder', this.newFolderHandler)
  }

  handlePreferencesButtonClick (e) {
    openModal(Preferences)
  }

  handleNewFolderButton (e) {
    let { user } = this.props
    openModal(CreateNewFolder, {user: user})
  }

  handleFolderButtonClick (name) {
    return e => {
      let { dispatch } = this.props
      dispatch(switchFolder(name))
    }
  }

  handleAllFoldersButtonClick (e) {
    let { dispatch } = this.props
    dispatch(setSearchFilter(''))
  }

  handleUnsavedItemClick (article) {
    let { dispatch } = this.props
    return e => {
      let { articles } = this.props
      let isInArticleList = articles.some(_article => _article.key === article.key)
      if (!isInArticleList) dispatch(clearSearch())
      dispatch(switchArticle(article.key))
    }
  }

  handleUncacheButtonClick (article) {
    let { dispatch } = this.props
    return e => {
      dispatch(uncacheArticle(article.key))
    }
  }

  handleSaveAllClick (e) {
    let { dispatch } = this.props
    dispatch(saveAllArticles())
  }

  render () {
    let { status, user, folders, allArticles, modified, activeArticle } = this.props
    let { targetFolders } = status
    if (targetFolders == null) targetFolders = []

    let modifiedElements = modified.map(modifiedArticle => {
      let originalArticle = _.findWhere(allArticles, {key: modifiedArticle.key})
      if (originalArticle == null) return false
      let combinedArticle = Object.assign({}, originalArticle, modifiedArticle)

      let className = 'ArticleNavigator-unsaved-list-item'
      if (activeArticle && activeArticle.key === combinedArticle.key) className += ' active'

      return (
        <div key={modifiedArticle.key} onClick={e => this.handleUnsavedItemClick(combinedArticle)(e)} className={className}>
          <div className='ArticleNavigator-unsaved-list-item-label'>
            <ModeIcon mode={combinedArticle.mode}/>&nbsp;
            {combinedArticle.title.trim().length > 0
              ? combinedArticle.title
              : <span className='ArticleNavigator-unsaved-list-item-label-untitled'>(Untitled)</span>}
          </div>
          <button onClick={e => this.handleUncacheButtonClick(combinedArticle)(e)} className='ArticleNavigator-unsaved-list-item-discard-button'><i className='fa fa-times'/></button>
        </div>
      )
    }).filter(modifiedArticle => modifiedArticle).sort((a, b) => a.updatedAt - b.updatedAt)
    let hasModified = modifiedElements.length > 0

    let folderElememts = folders.map((folder, index) => {
      let isActive = findWhere(targetFolders, {key: folder.key})
      let articleCount = allArticles.filter(article => article.FolderKey === folder.key && article.status !== 'NEW').length

      return (
        <button onClick={e => this.handleFolderButtonClick(folder.name)(e)} key={'folder-' + folder.key} className={isActive ? 'active' : ''}>
          <FolderMark color={folder.color}/> {folder.name} <span className='articleCount'>{articleCount}</span>
        </button>
      )
    })

    return (
      <div tabIndex='1' className='ArticleNavigator'>
        <div className='userInfo'>
          <div className='userProfileName'>{user.name}</div>
          <div className='userName'>localStorage</div>
          <button onClick={e => this.handlePreferencesButtonClick(e)} className='settingBtn'>
            <i className='fa fa-fw fa-chevron-down'/>
            <span className='tooltip'>Preferences</span>
          </button>

          {status.isTutorialOpen ? preferenceTutorialElement : null}

        </div>

        {/*<div className={'ArticleNavigator-unsaved' + (hasModified ? '' : ' hide')}>
          <div className='ArticleNavigator-unsaved-header'>Work in progress</div>
          <div className='ArticleNavigator-unsaved-list'>
            {modifiedElements}
          </div>
          <div className='ArticleNavigator-unsaved-control'>
            <button onClick={e => this.handleSaveAllClick()} className='ArticleNavigator-unsaved-control-save-all-button' disabled={modifiedElements.length === 0}>Save all</button>
          </div>
        </div>*/}

        <div className={'ArticleNavigator-folders expand'}>
          <div className='ArticleNavigator-folders-header'>
            <div className='title'>Folders</div>
            <button onClick={e => this.handleNewFolderButton(e)} className='addBtn'>
              <i className='fa fa-fw fa-plus'/>
              <span className='tooltip'>Create a new folder ({OSX ? '⌘' : '^'} + Shift + n)</span>
            </button>

            {status.isTutorialOpen ? newFolderTutorialElement : null}

          </div>
          <div className='folderList'>
            <button onClick={e => this.handleAllFoldersButtonClick(e)} className={targetFolders.length === 0 ? 'active' : ''}>All folders</button>
            {folderElememts}
          </div>
        </div>
      </div>
    )
  }
}

ArticleNavigator.propTypes = {
  dispatch: PropTypes.func,
  status: PropTypes.shape({
    folderId: PropTypes.number
  }),
  user: PropTypes.object,
  folders: PropTypes.array,
  allArticles: PropTypes.array,
  articles: PropTypes.array,
  modified: PropTypes.array,
  activeArticle: PropTypes.shape({
    key: PropTypes.string
  })
}