#authentication_string = QMobile.authentication_string()
#authentication_object = $.parseJSON(QMobile.authentication_object())
class Quser
  format_date: (utc) ->
    formatted = ''
    formatted += utc.substr(0,10)
    formatted += ' '
    formatted += utc.substr(11, 5)
    formatted
  watch_events: ->
    return if window.redirecting
    faye = new Faye.Client(event_host)
    user_id = Qstorage.getItem('user_id')
    unless user_id
      @reset_user()
      redirect_to 'obtain_token'
      return false
    faye.subscribe "/user/"+user_id, (e)=>
      if(e.event == 'list_closed')
        #redirect_to 'user_root', {list_closed: 'true'}
        redirect_to 'history_list', {list_id: e.data.id, list_closed: true}
      else if(e.event == 'list_helped')
        window.active_list.needs_help = false
        @list_needs_help_default_action()
      else if(e.event == 'order_being_processed')
        $('#order-row-'+e.data.id).addClass('active')
      else if(e.event == 'order_being_delivered')
        $('#order-row-'+e.data.id).addClass('delivered')
      else if(e.event == 'list_changed_table')
        list = new List(e.data.list)
        $('.table-number').text(list.table_number())
      else if(e.event == 'list_needs_help')
        window.active_list.needs_help = true
        @list_needs_help_default_action()
      else if(e.event == 'list_needs_payment')
        window.active_list.needs_payment = true
        @list_needs_payment_default_action()
      else if(e.event == 'user_join_request')
        @show_join_request(e.data)
      else if(e.event == 'join_request_approved')
        redirect_to 'list_products', message: 'join_request_approved'
      else if(e.event == 'join_request_rejected')
        redirect_to 'user_root', message: 'join_request_rejected'
      else if(e.event == 'new_order')
        $('#active-list-table tbody').append @mustache('#active-list-order-template', new Order(e.data.order))
        $('.list-total-amount').html(currency(e.data.total_amount))
      console.log(e)
    false
  ensure_json: (res)->
    if typeof(res) == 'string' then JSON.parse(res) else res
  reset_user: ->
    Qstorage.removeItem('auth_token')
    Qstorage.removeItem('user_id')
  authenticate_user: ->
    email = $('#user-email')
    password = $('#user-password')
    return unless email.length && password.length
    return email.focus() unless email.val() && email.val().length > 0
    return password.focus() unless password.val() && password.val().length > 0
    $.post(data_host + '/user/obtain_token.json', {"user[email]": email.val(), "user[password]": password.val()}, (res)=>
      res = @ensure_json(res)
      if res.auth_token
        Qstorage.setItem('auth_token', res.auth_token)
        Qstorage.setItem('user_id', res.user_id)
        redirect_to 'user_root'
      else
        $('.user-alert').html(t('obtain_token.invalid_combination')).show()
    )

    false
  ensure_token: (callback)->
    unless Qstorage.getItem('auth_token') && typeof(Qstorage.getItem('auth_token')) == 'string' && Qstorage.getItem('auth_token').length > 0
      return redirect_to('obtain_token')
    @authentication_string = 'auth_token='+Qstorage.getItem('auth_token')
    @authentication_object = {auth_token: Qstorage.getItem('auth_token')}
    callback.call() if callback
  home_loader: ->
    @ensure_token =>
      $.getJSON(data_host + '/user/list_info.json', @authentication_object, (res) => @handle_active_list_default_actions(res))
  handle_active_list: (callback) ->
    @ensure_token =>
      $.getJSON(data_host + '/user/list_info.json', @authentication_object, (res) =>
        if(res.ok == false && res.status && res.status == 401)
          redirect_to('obtain_token') 
        else if !res.list_active
          redirect_to 'user_root', {list_closed: 'true'}
          return
        window.active_list = res
        callback.call() if callback
        @handle_active_list_default_actions(res)
      )
  handle_active_list_default_actions: (response)->
    response ||= {}
    if(response.ok == false && response.status && response.status == 401)
      redirect_to('obtain_token')
      return
    
    $('.table-number').text(response.table_number) if response.table_number
    $('.supplier-name').text(response.supplier_name) if response.supplier_name

    if response.not_present || response.list_active == false then $('.home-link').removeClass('active') else  $('.home-link').addClass('active')

    @list_needs_payment_default_action(response)
    @list_needs_help_default_action(response)
    # join_request_active is to ensure that there are no more modals loaded when one is still active
    # console.log('join_request_active=' + window.join_request_active)
    @handle_join_requests(response)
  handle_join_requests: (response)->
    if !window.join_request_active && response.join_requests && response.join_requests.length
      window.join_request_active = true
      for join_request in response.join_requests
        @show_join_request(join_request)
  show_join_request: (join_request)->
    $(@mustache('#join-request-template',
      title: t('join_request.title')
      message: t('join_request.body', {email: join_request.user_email})
      reject: t('join_request.reject')
      approve: t('join_request.approve')
      requester_id: join_request.user_id
    )).modal()
    false
  approve_join_request: (user_id)->
    @ensure_token =>
      $.post(data_host + '/user/approve_join_request', $.extend({user_id: user_id}, @authentication_object), -> window.join_request_active = false)
  reject_join_request: (user_id)->
    @ensure_token =>
      $.post(data_host + '/user/reject_join_request', $.extend({user_id: user_id}, @authentication_object), -> window.join_request_active = false)
  list_needs_help: ->
    return unless window.active_list && !window.active_list.needs_help
    @ensure_token =>
      $.post(data_host + '/user/needs_help.json', @authentication_object, (res) => window.active_list = @ensure_json(res); @list_needs_help_default_action())
  list_needs_help_default_action: (response)=>
    response ||= window.active_list
    window.active_list = response
    needs_help_container = $('#list-needs-help-button')
    if needs_help_container.length
      if response.needs_help
        needs_help_container.data('needs-help', true)
        needs_help_container.addClass('active')
      else
        needs_help_container.data('needs-help', false)
        needs_help_container.removeClass('active')
      unless needs_help_container.data('click-initialized')
        needs_help_container.click( ->
          if $(this).data('needs-help')
            Qwaiter.alert(t('list_needs_help.help_is_on_its_way'))
          else
            Qwaiter.confirm(
              title: t('list_needs_help.title')
              content: t('list_needs_help.content')
              ok: 'Quser.list_needs_help()'
            )
        )
        needs_help_container.data('click-initialized', true)
  list_needs_payment: ->
    return unless window.active_list && !window.active_list.needs_payment
    @ensure_token =>
      $.post(data_host + '/user/list_needs_payment.json', @authentication_object, (res) => window.active_list = @ensure_json(res); @list_needs_payment_default_action())
  list_needs_payment_default_action: (response)->
    response ||= window.active_list
    window.active_list = response
    needs_payment_container = $('#list-needs-payment-button')
    if needs_payment_container.length
      if response.needs_payment
        needs_payment_container.data('needs-payment', true)
        needs_payment_container.addClass('active')
      else
        needs_payment_container.data('needs-payment', false)
        needs_payment_container.removeClass('active')
      unless needs_payment_container.data('click-initialized')
        needs_payment_container.click( ->
          if $(this).data('needs-payment')
            Qwaiter.alert(t('list_needs_payment.payment_already_requested'))
          else
            Qwaiter.confirm(
              title: t('list_needs_payment.title')
              content: t('list_needs_payment.content')
              ok: 'Quser.list_needs_payment()'
            )
        )
        needs_payment_container.data('click-initialized', true)
  load_active_list: () ->
    @ensure_token =>
      $.getJSON(data_host + '/user/active_list.json?'+@authentication_string, (res) =>
        if(res.ok == false && res.status && res.status == 401)
          redirect_to('obtain_token') 
        window.active_list = res if res._id
        unless res.list_active
          redirect_to 'history_list', {list_id: window.active_list._id, list_closed: true}
          return
        @handle_active_list_default_actions(res)
        body = $('#active-list-table tbody')
        foot = $('#active-list-table tfoot')
        @build_list_table(body, foot, res)
      )
  load_history_list: () ->
    return unless list_id = Qstorage.list_id
    @ensure_token =>
      $.getJSON(data_host + '/user/history_list.json?list_id='+list_id+'&'+ @authentication_string, (res) =>
        body = $('#history-list-table tbody')
        foot = $('#history-list-table tfoot')
        @build_list_table(body, foot, res)
        $('.list-created-at').text(@format_date(res.created_at))
        $('.list-closed-at').text(@format_date(res.closed_at))
        $('.supplier-name').text(res.supplier_name)
      )
  load_list_history: ->
    @ensure_token =>
      page = Qstorage.getItem('page') || 1
      page = parseInt(page)
      $.getJSON(data_host + '/user/list_history.json?'+@authentication_string+'&page='+page, (res) =>
        @paginate(res, @load_list_history)
        container = $('#list-history-container').html('')
        return unless res.lists
        for list in res.lists
          container.append @mustache('#list-history-template', new List(list) )
      )
  paginate: (wrapper, callback) ->
    container = $('nav.pagination')
    container.html('')
    return unless wrapper.num_pages
    list = $('<ul></ul>').appendTo(container)
    if wrapper.num_pages && wrapper.num_pages > 1
      for i in [1..wrapper.num_pages]
        li = $('<li class="page"></li>')
        link = $('<a href="#"></a>')
        link.text(i)
        if wrapper.current_page && wrapper.current_page == i
          li.addClass('active')
        else
          callback = ((i)->
            ->
              Qstorage.page = i
              window.Quser.load_list_history()
          )(i)
          link.click(callback)
        li.append(link)
        list.append(li)
  mustache: (selector, locals)->
    locs = $.extend(locals,
      currency: ->
        (val)->
          currency(Mustache.render(val, this))
    )
    Mustache.to_html($(selector).html(), locs)
  build_list_table: (body, foot, res) ->
    body.find('tr').remove()
    return unless res.orders
    m_obj = res
    body.append @mustache('#active-list-order-template', new Order(order)) for order in m_obj.orders
    $('.list-total-amount').html(currency(m_obj.total_amount))

  order_selected_products: ()->
    @ensure_token =>
      return if $.isEmptyObject(window.active_products_list)
      h = {}
      h['table_id'] = Qstorage.getItem('table_id') if Qstorage.getItem('table_id')
      for product_id, number of window.active_products_list
        h['products['+product_id+']'] = number
      $.post(data_host + '/user/order_selected_products.json', $.extend(h, @authentication_object), ((res) => @handle_response(res)), 'json')
  handle_response: (res) ->
    if(typeof(res) == 'string')
      return unless res.length
      if res[0] == '{'
        res = JSON.parse(res)
      else
        eval(res)
        return
     
    if res['message'] && !res['ok']
      redirect_to res.location || 'user_root', $.extend({message: res['message']}, res.location_params)
    else if res.ok
      redirect_to res.location || 'list_products', $.extend({message: res['message']}, res.location_params)
  build_product_list: ->
    total = 0.0
    h = {products: []}
    for product_id, number of window.active_products_list
      product = window.products[product_id]
      product.number = number
      product.product_total = product.price * number
      h.products.push product
      total += product.price * number
    h.total = total
    $('#active-order-container').html @mustache('#active-order-template', h)
    Qupdate('#active-order-container')

  load_active_list_products: ->
    @populate_products_table('/user/list_products.json')
  load_table_products: ->
    @ensure_token =>
      return redirect_to 'user_root', {message: 'cannot_identify_table'} unless Qstorage.table_id
      @populate_products_table('/user/list_products_for_table.json', {table_id: Qstorage.table_id})
  populate_products_table: (src, data)->
    data ||= {}
    $.getJSON(data_host + src, $.extend(@authentication_object, data), (res) =>
      include_order_buttons = res.my_list || !res.table_occupied
      
      $('.table-number').text(res.table_number) if res.table_number
      $('.supplier-name').text(res.supplier_name) if res.supplier_name

      window.products = {}
      body = $('#products-table tbody')
      body.find('tr').remove()
      script_id = if include_order_buttons then '#products-category-for-order-template' else '#products-category-template'
      #for category, products of res
      for category in res.categories
        body.append @mustache(script_id,
          category: category.name,
          products: category.products,
          include_order_buttons: include_order_buttons
        )
        for product in category.products
          window.products[product._id] = product
    )
  increment_products_counter: (product_id)->
    product_count_holder = $('#order-product-count-'+product_id)
    count = parseInt(product_count_holder.text())
    product_count_holder.text(count + 1)
    false
  lower_products_counter: (product_id)->
    product_count_holder = $('#order-product-count-'+product_id)
    count = parseInt(product_count_holder.text())
    product_count_holder.text(count - 1)
    false
  add_product_to_order: (product_id, context) ->
    product_count_holder = $('#order-product-count-'+product_id)
    count = parseInt(product_count_holder.text())
    count ||= 1
    product_count_holder.text(1)
    window.active_products_list ||= {}
    window.active_products_list[product_id] ||= 0
    window.active_products_list[product_id] += count
    delete(window.active_products_list[product_id]) if window.active_products_list[product_id] < 1
    @build_product_list()
    false
  actions_for_table: (table)->
    table = @ensure_json(table)
    Qstorage.setItem('table_id', table.table_id)
    @ensure_token =>
      $.getJSON(data_host + '/user/table_info.json?'+@authentication_string+'&table_id='+table.table_id, (res)=>
        if res.current_table_id
          if res.other_supplier
            redirect_to 'user_root', {message: 'table_is_from_other_supplier'}
          else if res.current_table_id == table.table_id
            #nothing has changed, show product list
            redirect_to 'list_products'
          else if res.current_table_id != table.table_id
            if res.occupied
              redirect_to 'user_root', {message: 'table_is_occupied'}
            else if res.reserved
              redirect_to 'user_root', {message: 'table_is_reserved'}
            else if table.closed
              redirect_to 'user_root', {message: 'table_is_closed'}
            else if res.supplier_closed
              redirect_to 'user_root', {message: 'supplier_is_closed'}
            else
              ## Offer to move table
              Qwaiter.confirm(
                ok: =>
                  $.post(data_host + '/user/move_table.json', $.extend({table_id: table.table_id}, @authentication_object), (res2)->
                    if res2.occupied
                      redirect_to 'user_root', {message: 'move_table.cannot_move_to_occupied_tabe'}
                    else
                      redirect_to 'list_products', {message: 'move_table.moved_to_another_table'}
                  )
                cancel: ->
                  redirect_to 'list_products'
                title: t('move_table.confirmation_title')
                content: t('move_table.confirmation_body')
              )
        else
          if res.occupied
            redirect_to 'join_occupied_table', {table_id: table.table_id}
          else if res.supplier_closed
            redirect_to 'user_root', {message: 'supplier_is_closed'}
          else
            #$.post(data_host + '/user/create_list.json', {table_id: table.table_id}, (res)-> Quser.handle_response(res))
            redirect_to 'list_products_for_table', {table_id: table.table_id}
      , 'json')
  show_table_products: ->
    unless table_id = Qstorage.table_id
      redirect_to 'user_root', {message: 'cannot_identify_table'}
      return
    redirect_to 'list_products_for_table', table_id: table_id
  join_occupied_table: () ->
    unless table_id = Qstorage.table_id
      redirect_to 'user_root', {message: 'cannot_identify_table'}
      return
    $('.form-actions').remove()
    cont = $('#join-occupied-table-progress-container')
    cont.html('')
    cont.append $($('<img />').attr('src', "#{$asset_path}spinner.gif"))
    cont.append $($('<p data-t="join_request.requestor.waiting_for_confirmation">').html(t('join_request.requestor.waiting_for_confirmation')))
    @ensure_token =>
      $.post(data_host + '/user/join_occupied_table.json', $.extend({table_id: table_id}, @authentication_object))
    #setInterval('Quser.check_if_can_join_occupied_table("'+table_id+'")', 7500)
  add_product: (product_id, count) ->
    count ||= 1
    window.active_products_list ||= {}
    window.active_products_list[product_id] ||= 0
    window.active_products_list[product_id] += count
    @build_product_list()
  clear_selected_products: ->
    window.active_products_list = {}
    $('#active-order-table').hide()
@Quser = new Quser