'use strict'

import $ from 'jquery'

import Events from './_events'
import Consts from './_consts'

import EventsRouter from './_events.router'
import Spinner from './_components/_ui.spinner'

// AJAX functionality
import AjaxUI from './_components/_ui.ajax'

import FormBasics from './_components/_ui.form.basics'
import HeaderUI from './_components/_ui.header-footer'

import SmoothScroll from 'smooth-scroll'
const smoothScroll = SmoothScroll()

const MainUI = (($) => {
  // Constants
  const W = window
  const $W = $(W)
  const D = document
  const $Body = $('body')

  const NAME = 'MainUI'

  console.clear()

  console.info(
    `%cUI Kit ${UINAME} ${UIVERSION}`,
    'color:yellow;font-size:14px'
  )
  console.info(
    `%c${UIMetaNAME} ${UIMetaVersion}`,
    'color:yellow;font-size:12px'
  )
  console.info(
    `%chttps://github.com/a2nt/webpack-bootstrap-ui-kit by ${UIAUTHOR}`,
    'color:yellow;font-size:10px'
  )

  console.groupCollapsed('Events')
  Object.keys(Events).forEach((k) => {
    console.info(`${k}: ${Events[k]}`)
  })
  console.groupEnd('Events')

  console.groupCollapsed('Consts')
  Object.keys(Consts).forEach((k) => {
    console.info(`${k}: ${Consts[k]}`)
  })
  console.groupEnd('Events')

  console.groupCollapsed('Init')
  console.time('init')
  $W.on(`${Events.LODEDANDREADY}`, () => {
    console.groupEnd('Init')
    console.timeEnd('init')

    console.time('Post-init')
    console.groupCollapsed('Post-init')
  })

  // get browser locale
  // const Locale = $('html').attr('lang').substring(0, 2);

  const $AlertNotify = $('#AlertNotify')
  const $SiteWideMessage = $('#SiteWideMessage')

  // get browser window visibility preferences
  // Opera 12.10, Firefox >=18, Chrome >=31, IE11
  const HiddenName = 'hidden'
  const VisibilityChangeEvent = 'visibilitychange'

  // update visibility state
  D.addEventListener(VisibilityChangeEvent, () => {
    if (D.visibilityState === HiddenName) {
      console.log(`${NAME}: Tab: hidden`)
      $Body.addClass('is-hidden')
      $Body.trigger(Events.TABHIDDEN)
      $W.trigger(Events.TABHIDDEN)
    } else {
      console.log(`${NAME}: Tab: focused`)
      $Body.removeClass('is-hidden')
      $Body.trigger(Events.TABFOCUSED)
      $W.trigger(Events.TABFOCUSED)
    }
  })

  // session ping
  let pingInterval
  let pingLock = false
  const sessionPing = () => {
    if (pingLock || $Body.hasClass('is-offline')) {
      return
    }

    console.log(`${NAME}: session ping`)
    pingLock = true
    $.ajax({
      sync: false,
      async: true,
      cache: false,
      url: '/Security/ping',
      global: false,
      type: 'POST',
      complete: (data, datastatus) => {
        updateOnlineStatus()
        if (datastatus !== 'success') {
          console.warn(`${NAME}: ping failed`)

          clearInterval(pingInterval)
          pingInterval = null
        }

        pingLock = false
      },
    })
  }

  // update online/offline state
  let statusLock = false
  const updateOnlineStatus = () => {
    if (statusLock) {
      return
    }
    statusLock = true

    if (typeof navigator.onLine === 'undefined') {
      return false
    }

    if (!navigator.onLine) {
      console.log(`${NAME}: Offline`)

      clearInterval(pingInterval)
      pingInterval = null

      $Body.addClass('is-offline')
      $Body.removeClass('is-online')

      $Body.trigger(Events.OFFLINE)
      $W.trigger(Events.OFFLINE)

      statusLock = false
      return true
    }

    if (!pingInterval) {
      pingInterval = setInterval(sessionPing, 300000) // 5 min in ms
    }

    if ($Body.hasClass('is-offline')) {
      sessionPing()

      console.log(`${NAME}: is back online`)
      $Body.trigger(Events.BACKONLINE)
    } else {
      console.log(`${NAME}: Online`)
    }

    $Body.addClass('is-online')
    $Body.removeClass('is-offline')

    $Body.trigger(Events.ONLINE)
    $W.trigger(Events.ONLINE)

    statusLock = false
    return true
  }

  W.addEventListener(
    `${Events.OFFLINE}`,
    () => {
      updateOnlineStatus()
    },
    false
  )

  W.addEventListener(
    `${Events.ONLINE}`,
    () => {
      updateOnlineStatus()
    },
    false
  )

  $W.on(`${Events.LOADED} ${Events.AJAX}`, () => {
    updateOnlineStatus()
  })

  // scrollTo
  const ScrollTo = (trigger, selector) => {
    smoothScroll.animateScroll(D.querySelector(selector), trigger, {
      speed: 500,
      offset: -20,
      // easing: 'easeInOutCubic',
      // Callback API
      // before: (anchor, toggle) => {}, // Callback to run before scroll
      // `after: (anchor, toggle) => {} // Callback to run after scroll
    })
  }

  W.URLDetails = {
    base: $('base').attr('href'),
    relative: '/',
    hash: '',
  }

  let eventFired = false
  const setTouchScreen = (bool) => {
    if (W.IsTouchScreen === bool || eventFired) {
      return
    }

    eventFired = true

    W.IsTouchScreen = bool
    $.support.touch = W.IsTouchScreen

    if (bool) {
      console.log(`${NAME}: Touch screen enabled`)
      $Body.trigger(Events.TOUCHENABLE)
      $W.trigger(Events.TOUCHENABLE)
    } else {
      console.log(`${NAME}: Touch screen disabled`)
      $Body.trigger(Events.TOUCHDISABLED)
      $W.trigger(Events.TOUCHDISABLED)
    }

    // prevent firing touch and mouse events together
    setTimeout(() => {
      eventFired = false
    }, 200)
  }

  setTouchScreen('ontouchstart' in window || navigator.msMaxTouchPoints > 0)

  // disable touch on mouse events
  /* D.addEventListener('mousemove', () => {
    setTouchScreen(false);
  });

  D.addEventListener('mousedown', () => {
    setTouchScreen(false);
  }); */

  // enable touch screen on touch events
  D.addEventListener('touchmove', () => {
    setTouchScreen(true)
  })
  D.addEventListener('touchstart', () => {
    setTouchScreen(true)
  })

  class MainUI {
    // Static methods

    static init () {
      const ui = this
      ui.dispose()

      console.log(`${NAME}: init`)

      // update location details
      ui.updateLocation()

      // mark available offline areas
      if ('caches' in W) {
        $('a.offline').addClass('offline-available')
      }

      ui.loadImages()

      // detect bootstrap screen size
      ui.detectBootstrapScreenSize()

      // mark external links
      $('a.external,a[rel="external"]').attr('target', '_blank')

      // show encoded emails
      /* $(D).find('.obm').each(() => {
              if ($(this).attr('data-val') !== undefined) {
                const email = $(this).attr('data-val').split('')
                  .reverse()
                  .join('')
                  .slice(0, -8)
                  .replace(/[a-zA-Z]/g, (c) => String.fromCharCode((c <= 'Z' ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26))
                  .replace('#AT#', '@');
                const attr = $(this).attr('data-val-append');
                if (attr !== undefined && attr !== false) {
                  $(this).append(email);
                }
                if ($(this).find('.sr-only').length > 0) {
                  $(this).find('.sr-only').append(email);
                }
                if ($(this).attr('href') !== undefined) {
                  $(this).attr('href', `mailto:${email}`);
                }
              }
            }); */
      //

      // scroll links
      $('.js-scrollTo').on('click', (e) => {
        console.log(`${NAME}: .js-scrollTo`)

        e.preventDefault()
        const el = e.currentTarget
        const $el = $(e.currentTarget)

        ScrollTo(el, $el.attr('data-target'))
      })

      // load external fonts
      if ($('[data-extfont]').length) {
        console.log(`${NAME}: loading external fonts [data-extfont]`)
        $.getScript(
          '//ajax.googleapis.com/ajax/libs/webfont/1/webfont.js',
          () => {
            const fonts = []

            $('[data-extfont]').each((i, el) => {
              fonts[i] = $(el).attr('data-extfont')
            })

            W.WebFont.load({
              google: {
                families: fonts,
              },
            })
          }
        )
      }

      // data-set links
      $('[data-set-target]').on('click', (e) => {
        console.log(`${NAME}: [data-set-target]`)

        const $el = $(e.currentTarget)
        const $target = $($el.data('set-target'))

        if (!$target.length) {
          return
        }

        $target.each((i, targetEl) => {
          const $targetEl = $(targetEl)
          const tag = $targetEl.prop('tagName').toLowerCase()

          if (tag === 'input' || tag === 'select') {
            $targetEl.val($el.data('set-val'))
          } else if (!$targetEl.hasClass('field')) {
            $targetEl.text($el.data('set-val'))
          }
        })

        $el.trigger(Events.SET_TARGET_UPDATE)
        $target.closest('form').trigger(Events.SET_TARGET_UPDATE)
      })

      // emulate links
      $('.a[data-href]').on('click', (e) => {
        console.log(`${NAME}: js link processing .a[data-href]`)

        const $el = $(e.currentTarget)
        const href = $el.data('href')
        if (!href.length) {
          console.warn(`${NAME}: .a[data-href] | Missing data-href`)
          console.warn($el)
        }

        W.location.assign(href)
      })

      // set attributes for mobile friendly tables
      $('.typography table').each((i, el) => {
        const $table = $(el)
        let $header = $table.find('thead tr:first-child')
        if (!$header.length) {
          $header = $(el).find('tr:first-child')
        }

        $header.addClass('d-typography-breakpoint-none')

        $header.find('td').each((i, h) => {
          const $h = $(h)
          $table
            .find('tr')
            .find(`td:eq(${i})`)
            .each((i, el) => {
              const $el = $(el)
              if (!$el.attr('data-label')) {
                $el.attr('data-label', $h.text())
              }
            })
        })
      })
      //

      // hide spinner
      Spinner.hide(() => {
        $Body.addClass('loaded')
      })

      // fire page printing
      if (W.URLDetails.hash.indexOf('printpage') > -1) {
        W.print()
      }

      $Body.data(NAME, ui)
      $W.removeClass('lock-main-init')
    }

    static detectBootstrapScreenSize () {
      const $el = $('<div class="env-test"></div>')
      let envs = [...Consts.ENVS]
      $Body.append($el)

      let curEnv = envs.shift()
      envs = envs.reverse()

      for (let i = 0; i < envs.length; ++i) {
        const env = envs[i]
        $el.addClass(`d-${env}-none`)
        if ($el.is(':hidden')) {
          curEnv = env
          break
        }
      }

      $el.remove()
      $Body.removeClass(envs)
      $Body.addClass(curEnv)

      let landscape = true
      if ($W.width() > $W.height()) {
        $Body.removeClass('portrait')
        $Body.addClass('landscape')
      } else {
        landscape = false

        $Body.removeClass('landscape')
        $Body.addClass('portrait')
      }

      console.log(
        `${NAME}: screen size detected ${curEnv} | landscape ${landscape}`
      )

      return curEnv
    }

    static updateLocation (url) {
      let location = url || W.location.href
      location = location.replace(W.URLDetails.base, '/')
      const hash = location.indexOf('#')

      W.URLDetails.relative = location.split('#')[0]
      W.URLDetails.hash =
        hash >= 0 ? location.substr(location.indexOf('#')) : ''
    }

    // show site-wide alert
    static alert (msg, cls) {
      $SiteWideMessage.fadeOut('fast')

      $SiteWideMessage.html(
        `<div class="page-alert"><div class="alert alert-${cls}"><i class="close" data-dismiss="alert">&times;</i>${msg}</div></div>`
      )
      $SiteWideMessage.find('.page-alert').alert()

      $SiteWideMessage.find('.close[data-dismiss="alert"]').click(() => {
        $SiteWideMessage.fadeOut('slow', () => {
          $SiteWideMessage.find('.page-alert').alert('close')
        })
      })

      $SiteWideMessage.fadeIn('slow')

      if ($AlertNotify.length) {
        $AlertNotify[0].play()
      }

      $W.trigger(`${Events.ALLERTAPPEARED}`)
    }

    // hide site-wide alert
    static alertHide () {
      if ($SiteWideMessage.length !== 0) {
        $SiteWideMessage.fadeOut('slow', () => {
          $SiteWideMessage.find('.alert').alert('close')
        })
      }

      if ($AlertNotify.length && typeof $AlertNotify[0].stop !== 'undefined') {
        $AlertNotify[0].stop()
      }

      $W.trigger(`${Events.ALLERTREMOVED}`)
    }

    // load all images
    static loadImages () {
      const $imgs = $Body.find('img').not('.loaded')
      const $imgUrls = []
      const $imgLazyUrls = []

      // collect image details
      $imgs.each((i, el) => {
        const $el = $(el)
        const src = $el.attr('src')
        const lazySrc = $el.data('lazy-src')

        if ($el.hasClass('loaded')) {
          return
        }

        if (src && src.length) {
          $imgUrls.push(src)
        }
        if (lazySrc && lazySrc.length) {
          $imgLazyUrls.push(lazySrc)
          $el.addClass('loading')

          AjaxUI.preload([lazySrc]).then(() => {
            $el.attr('src', lazySrc)

            $el.on(`${Events.LOADED}`, () => {
              $el.addClass('loaded')
              $el.removeClass('loading')

              $el.trigger(`${Events.LAZYIMAGEREADY}`)
            })
          })
        }
      })

      // load lazy backgrounds
      $Body
        .find('[data-lazy-bg]')
        .not('.loaded')
        .each((i, el) => {
          const $el = $(el)
          const lazySrc = $el.data('lazy-bg')

          if ($el.hasClass('loaded')) {
            return
          }

          if (lazySrc && lazySrc.length) {
            $imgLazyUrls.push(lazySrc)
            $el.addClass('loading')

            AjaxUI.preload([lazySrc]).then(() => {
              $el.css({ 'background-image': `url(${lazySrc})` })

              $el.addClass('loaded')
              $el.removeClass('loading')

              $el.trigger(`${Events.LAZYIMAGEREADY}`)
            })
          }
        })

      // replace img src
      $Body
        .find('[data-src-replace]')
        .not('.loaded')
        .each((i, el) => {
          const $el = $(el)
          const lazySrc = $el.data('src-replace')

          if ($el.hasClass('loaded')) {
            return
          }

          if (lazySrc && lazySrc.length) {
            $el.addClass('loaded')
            $el.attr('src', lazySrc)
          }
        })

      // load defined images
      AjaxUI.preload($imgUrls).then(() => {
        $W.trigger('images-loaded')

        // load lazy images
        AjaxUI.preload($imgLazyUrls).then(() => {
          console.log(`${NAME}: All images are loaded!`)

          setTimeout(() => {
            $W.trigger(`${Events.LAZYIMAGESREADY}`)

            console.groupEnd('Post-init')
            console.timeEnd('Post-init')
          }, 100)
        })
      })
    }

    static dispose () {
      console.log(`${NAME}: dispose`)
    }
  }

  $W.on(
    `${Events.MAININIT} ${Events.AJAX} ${Events.AJAXMAIN} ${Events.LOADED}`,
    () => {
      if ($W.hasClass('lock-main-init')) {
        console.warn(`${NAME}: locked`)
        return
      }

      $W.addClass('lock-main-init')
      MainUI.init()
    }
  )

  $W.on(`${Events.RESIZE}`, () => {
    MainUI.detectBootstrapScreenSize()
  })

  $W.on('beforeunload unload', () => {
    Spinner.show(() => {
      $Body.removeClass('loaded')
    })
  })

  // hide spinner on target _blank
  $('[target="_blank"],.external')
    .not('[data-toggle="lightbox"],[data-lightbox-gallery]')
    .on('click submit touch', (e) => {
      console.log(`${NAME}: External link`)

      setTimeout(() => {
        Spinner.hide(() => {
          $Body.addClass('loaded')
        })
      }, 1000)
    })

  W.MainUI = MainUI

  return MainUI
})($)

export default MainUI