class Property
  include Mongoid::Document
  include Mongoid::Timestamps
  include OrbitTag::Taggable
  include OrbitCategory::Categorizable
  include Slug

  FIELDSNAME=["hiring_person_email","hiring_person_number","hiring_person_name","reason_for_hire","note_for_hire","organization" ,"person_in_charge" ,"tel_of_person_in_charge" ,"department" ,"contact_person" ,"tel_of_contact_person" , "mobile_phone_of_contact_person" ,"contact_person_Email" ,"contact_person_department"]
  field :need_change_tmp_reason, type: Boolean, default: false
  field :need_hire_before, type: Integer, default: 0 #0代表沒有限制
  field :need_hire_before_unit, type: String, default: "day" #month, day, hour, minute
  field :custom_calendar_type, type: Integer, default: 0 #0=>預設, 1=> 顯示, 2=> 不顯示
  field :custom_carousel_image_width, type: String, default: ""
  field :display_img, :type => Boolean, :default => false
  field :image_display_class, type: String, default: "full-size-img" #3 choices: full-size-img , pull-left , pull-right
  field :order_position, type: Integer, default: -1
  field :title, as: :slug_title, :localize =>  true
  field :property_usage, :localize => true
  field :note, :localize => true
  field :property_number
  field :can_be_hired, type: Boolean, default: true
  field :purchase_date, type: DateTime
  field :owners, type: Array, :default => []
  field :other_owner
  field :owner_email
  field :owner_phone
  field :price
  field :other_location
 
  mount_uploader :image, ImageUploader 

  # unavailibility fields
  field :can_hire_before_months, type: Integer, default: 0
  field :set_availability, type: Boolean, default: false
  field :set_unavailibility, type: Boolean, default: false
  field :start_time
  field :end_time
  field :weekdays, type: Array, default: []
  field :start_date, type: DateTime
  field :end_date, type: DateTime
  field :description, :localize => true
  field :unavailibility_note, :localize => true
  field :hiring_person_email, type: Hash, default: {"enable"=>"1","required"=>"true"}
  field :hiring_person_number, type: Hash, default: {"enable"=>"1","required"=>"true"}
  field :hiring_person_name, type: Hash, default: {"enable"=>"1","required"=>"true"}
  field :reason_for_hire, type: Hash, default: {"enable"=>"1","required"=>"true"}
  field :note_for_hire
  field :organization
  field :person_in_charge
  field :tel_of_person_in_charge
  field :department
  field :contact_person
  field :tel_of_contact_person
  field :mobile_phone_of_contact_person
  field :contact_person_Email
  field :contact_person_department
  field :enable_notes_selector , type: Boolean, default: false
  field :notes_selector ,type: Hash, default: {}
  field :enable_fields_sort , type: Boolean, default: false
  field :custom_field_names, type: Array
  field :default_field_names, type: Array
  belongs_to :property_location
  has_many :p_hires
  has_many :hire_email_sets, :autosave => true, :dependent => :destroy, :inverse_of => :property
  accepts_nested_attributes_for :hire_email_sets, :allow_destroy => true
  has_many :p_hire_fields, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :p_hire_fields, :allow_destroy => true
  has_many :property_field_sets, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :property_field_sets, :allow_destroy => true
  has_many :property_day_settings, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :property_day_settings, :allow_destroy => true
  has_many :property_carousel_images, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :property_carousel_images, :allow_destroy => true
  has_many :property_files, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :property_files, :allow_destroy => true
  has_many :property_links, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :property_links, :allow_destroy => true
  scope :sort_order, ->{order_by([:order_position,:asc],[:created_at,:desc])}
  WEEKDAYS = [
    "Sunday",
    "Monday",
    "Tuesday",
    "Wednesday",
    "Thursday",
    "Friday",
    "Saturday"
  ]
  CAlENDARTYPE = ["default","display","not_display"]
  after_initialize do
    unless self.new_record?
      save_flag = false
      @no_validate = true
      if self.default_field_names.nil?
        self.default_field_names = self.get_all_fields(true)
        save_flag = true
      end
      if self.custom_field_names.nil?
        self.custom_field_names = self.get_all_fields(true)
        save_flag = true
      end
      if save_flag
        self.save
      end
    end
  end
  before_create do
    max_position = self.class.max(:order_position)
    max_position = -1 if max_position.nil?
    self.order_position = max_position + 1
    @no_validate = true
    self.default_field_names = self.get_all_fields(true)
    self.custom_field_names = self.get_all_fields(true)
  end
  before_save do
    unless @no_validate
      self.default_field_names = self.get_all_fields(true)
      self.class::FIELDSNAME.each do |f|
        if((self.send(f)["enable"]  == "1" rescue true) && !(self.custom_field_names.include?(f)))
          self.custom_field_names << f
        end
      end
    end
  end
  after_save do
    self.change_day_setting_status
  end
  def all_day_settings
    self.property_day_settings.asc(:key).group_by(&:day)
  end
  def change_day_setting_status
    if self.property_day_settings.count != 0
      if self.set_unavailibility && self.weekdays.count != 0
        self.property_day_settings.where(:day.nin=>self.weekdays).update_all(:enable=>true)
        tmp_start_time = self.start_time.blank? ? "00:00" : self.start_time
        tmp_end_time = self.end_time.blank? ? "24:00" : self.end_time
        self.property_day_settings.where(:day.in=>self.weekdays).each do |setting|
          if setting.end_time < tmp_start_time  || setting.start_time > tmp_end_time
            setting.enable = true
          else
            setting.enable = false
          end
          setting.save
        end
      else
        self.property_day_settings.update_all(:enable=>true)
      end
    end
  end
  def calendar_type
    (self.custom_calendar_type == 0 ? (PropertyHireSetting.last.calendar_type rescue 0) : (self.custom_calendar_type - 1))
  end
  def self.init_class_variables
    setting = PropertyHireSetting.last
    if setting
      @@disable_content_page = setting.disable_content_page rescue false
      @@disable_view_calendar_page = setting.disable_view_calendar_page rescue false
    else
      @@disable_content_page = false
      @@disable_view_calendar_page = false
    end
  end
  init_class_variables
  def disable_content_page
    @@disable_content_page
  end
  def disable_view_calendar_page
    @@disable_view_calendar_page
  end
  def custom_text(field_name,type="name",locale=nil)
    locale = locale || I18n.locale
    default_text = I18n.with_locale(locale){I18n.t("property_hire.#{field_name}")}
    if (self.send(field_name)[type][locale.to_s].present? rescue false)
      self.send(field_name)[type][locale.to_s]
    else
      default_text
    end
  end
  def render_unavailable_message
    message = ""
    property = self
    weekdays_options = self.class::WEEKDAYS
    weekdays_options = weekdays_options.map do |weekday|
      trans = I18n.t("property_hire.#{weekday}", :default=>'')
      if trans != ""
        trans
      else
        weekday
      end
    end
    if property.set_unavailibility
      if property.weekdays.length > 0
        translation_missing = (I18n.t('property_hire.unavailable_hint1', {:default => ''}) == "")
        str1 = (!property.start_date.nil? ? (I18n.t("property_hire.from",:default=>" from ") + property.start_date.strftime("%Y-%m-%d")) : "")
        str2 = (!property.end_date.nil? ? (I18n.t("property_hire.to",:default=>" to ") + property.end_date.strftime("%Y-%m-%d")) : "")
        if str1 == "" && str2 != ""
          str1 = I18n.t("property_hire.from_now_on")
        end
        if str1 != "" || str2 != ""
          str2 += I18n.t("property_hire.of",:default=>"")
        else
          str2 += I18n.t("property_hire.at",:default=>"")
        end
        week_str = ""
        if translation_missing
          week_str += "every "
        else
          week_str += I18n.t("property_hire.every")
        end
        dot_trans = I18n.t("property_hire.dot",:default=>", ")
        property.weekdays.each_with_index do |d,i|
          if i < (property.weekdays.count - 1)
            week_str += (weekdays_options[d.to_i] + dot_trans)
          else
            week_str += weekdays_options[d.to_i]
          end
        end
        str3 = ""
        if property.end_time.blank?
          if property.start_time.blank?
            str3 = "." if translation_missing
          else
            str3 = I18n.t("property_hire.from_time",{:time=>property.start_time,:default=>" from #{property.start_time}."})
          end
        else
          if I18n.locale.to_s != "zh_tw"
            str3 = " between #{property.start_time} &amp; #{property.end_time}."
          else
            str3 =  I18n.t("property_hire.time1_to_time2",{:time1=>property.start_time,:time2=>property.end_time})
          end
        end
        if str3 != ""
          str3 = I18n.t("property_hire.of",:default=>"") + str3
        end
        hint1 = I18n.t('property_hire.unavailable_hint1', {:str1=>str1,:str2=>str2,:week_str=>week_str,:str3=>str3, :default => ''})
        if hint1 == ""
          message += "This property is unavaliable#{str1}#{str2} #{week_str}#{str3}"
        else
          message += hint1
        end
      end
      if property.need_hire_before != 0
        if message != ""
          message += "<br>"
        end
        default_msg = "This property must be reserved #{property.need_hire_before} #{property.need_hire_before_unit}s in advance."
        message += I18n.t("property_hire.unavailable_hint3",{:month=>property.need_hire_before,:unit=>I18n.t("property_hire._#{property.need_hire_before_unit}",:default=>property.need_hire_before_unit),:default=>default_msg})
      end
      if property.can_hire_before_months != 0
        if message != ""
          message += "<br>"
        end
        default_msg = "This property is unavaliable to reserved before #{property.can_hire_before_months} month ago."
        message += I18n.t("property_hire.unavailable_hint2",{:month=>property.can_hire_before_months,:default=>default_msg})
      end
    end
    return message.html_safe
  end
  def get_location_name
    return self.property_location.nil? ? self.other_location : self.property_location.title
  end

  def owner_profiles
    MemberProfile.find(self.owners) rescue []
  end

  def is_available_for_hire?(stime, etime, interval = nil, recurring_end_date = nil, time_setting_id = nil)
    available = 0
    return 1 if self.set_unavailibility == false
    return 1 if self.weekdays.empty? && self.can_hire_before_months == 0
    time_now = Time.now.to_datetime
    if self.can_hire_before_months != 0
      return 2 if ((stime - (self.can_hire_before_months).month) > time_now)
      available = 1
    end
    if self.need_hire_before != 0
      return 3 if (time_now + (self.need_hire_before).send(self.need_hire_before_unit) >  stime)
      available = 1
    end
    startt = self.start_date.nil? ? stime : self.start_date
    endt = self.end_date.nil?  ? etime : self.end_date
    available = 1 if (startt > stime && endt > etime)
    available = 1 if (endt < stime)
    weekdays = self.weekdays.collect{|w| w.to_i}
    if !startt.nil?
      if available == 0
        common_dates = (startt..endt) & (stime..etime)
        available = 1 if common_dates.nil?
        if available == 0
          time_weekdays = []
          Property.time_iterate(common_dates.min, common_dates.max, 1.day) do |t|
            time_weekdays << t.wday
          end
          time_weekdays.uniq!
          weekdays = weekdays & time_weekdays
          available = 1 if weekdays.blank?
          startt = DateTime.parse(stime.strftime("%Y-%m-%d " + (self.start_time.blank? ? "00:00" : self.start_time) + Time.zone.to_s))
          endt = DateTime.parse(etime.strftime("%Y-%m-%d " + (self.end_time.blank? ? "23:59" : self.end_time) + Time.zone.to_s))
          common_dates = (startt..endt) & (stime..etime)
          available = common_dates.nil?
        end
      end
      if available
        if !recurring_end_date.blank?
          case interval
          when 'week'
            d_step = 1.week
          when 'month'
            d_step = 1.month
          else
            d_step = 0
          end
          if d_step != 0
            if etime >= stime
              Property.time_iterate(etime,recurring_end_date,d_step).each do |date_time|
                new_etime = date_time
                new_stime = stime + (new_etime - etime)
                available = self.is_available_for_hire?(new_stime, new_etime, nil, nil)
                break if available != 1
              end
            else
              available = 0
            end
          end
        end
        return available
      else
        return available
      end
    end
  end

  def not_yet_hired?(stime, etime, interval, recurring_end_date,phire_id=nil,time_setting_id=nil)
    phires = self.p_hires
    stime = stime.utc
    etime = etime.utc
    bookings_count = 0
    reservation_limit = 0
    if time_setting_id
      time_setting = PropertyDaySetting.find(time_setting_id)
      etime = stime + 1.day
      etime = etime.utc
      reservation_limit = time_setting.reservation_limit
      if reservation_limit == 0
        return true
      end
      bookings_count = phires.where(:start_time.lte => stime,:end_time.gte => stime,:recurring => false,:id.ne=>phire_id,:property_day_setting_id=>time_setting_id).count
                      + phires.where(:start_time.gte => stime,:end_time.lte => etime,:recurring => false,:id.ne=>phire_id,:property_day_setting_id=>time_setting_id).count
                        +phires.where(:start_time.lte => etime,:end_time.gte => etime,:recurring => false,:id.ne=>phire_id,:property_day_setting_id=>time_setting_id).count
      if bookings_count < reservation_limit
        bookings_count = 0
      end
    else
      bookings_count = phires.where(:start_time.lte => stime,:end_time.gte => stime,:recurring => false,:id.ne=>phire_id).count
                      + phires.where(:start_time.gte => stime,:end_time.lte => etime,:recurring => false,:id.ne=>phire_id).count
                        +phires.where(:start_time.lte => etime,:end_time.gte => etime,:recurring => false,:id.ne=>phire_id).count
    end
    available = true
    if bookings_count != 0
      available = false
    end
    if available
      recurring_bookings = phires.where(:recurring_end_date.gte => stime, :recurring => true,:id.ne=>phire_id)
      bookings = phires.where(:recurring => false,:recurring_end_date => nil)
      case interval
      when 'week'
        d_step = 1.week
      when 'month'
        d_step = 1.month
      else
        d_step = 0
      end
      bookings = bookings.any_of({:start_time.gte => etime},{:end_time.gte => etime})
      if time_setting_id
        recurring_bookings = recurring_bookings.where(:property_day_setting_id=>time_setting_id)
        bookings = recurring_bookings.where(:property_day_setting_id=>time_setting_id)
      end
      if true#d_step != 0
        bookings += recurring_bookings
      end
      if time_setting_id
        tmp = {}
        stime_date = stime.strftime("%Y-%m-%d")
        bookings = bookings.each_with_index do |booking,i|
          if booking.date.wday != stime.wday
            next
          end
          b_interval = booking.recurring_interval
          b_recurring_end_date = booking.recurring_end_date ? booking.recurring_end_date.utc : nil
          booking_date = booking.start_time.utc.strftime("%Y-%m-%d")
          if (b_interval == 'month' || b_interval == 'week') && (booking.recurring_end_date.nil? || !booking.recurring)
            b_interval = nil
          end
          if stime_date == booking_date
            if tmp[booking_date].nil?
              tmp[booking_date] = 0
            end
            tmp[booking_date] += 1
            available = false if tmp[booking_date] > reservation_limit
          end
          break if available == false
          if b_interval.present?
            b_interval = (1).send(b_interval)
            b_sdata = booking.start_time.utc
            b_datas = Property.time_iterate(b_sdata,b_recurring_end_date,b_interval)
            all_stime_datas = Property.time_iterate(stime,b_recurring_end_date,b_interval).map{|t| t.utc.strftime("%Y-%m-%d")}
            b_datas.each do |b_data|
              booking_date = b_data.utc.strftime("%Y-%m-%d")
              if all_stime_datas.include?(booking_date)
                if tmp[booking_date].nil?
                  tmp[booking_date] = 0
                end
                tmp[booking_date] += 1
                available = false if tmp[booking_date] > reservation_limit
              end
              break if available == false
            end
          end
          break if available == false
        end
      else
      bookings.each_with_index do |booking,i|
        stime_tp = stime.clone
        etime_tp = etime.clone
        b_interval = booking.recurring_interval
        b_recurring_end_date = booking.recurring_end_date ? booking.recurring_end_date.utc : nil
        b_sdata = booking.start_time.utc
        b_edata = booking.end_time.utc
        b_delta = b_edata - b_sdata
        if (b_interval == 'month' || b_interval == 'week') && (booking.recurring_end_date.nil? || !booking.recurring)
          b_interval = nil
        end
        b_datas = []
        if b_interval.present?
          b_interval = (1).send(b_interval)
          b_datas = Property.time_iterate(b_edata,b_recurring_end_date,b_interval)
          b_datas = b_datas.map{|b_end| [b_end-b_delta,b_end]}
          start_index = b_datas.count
          b_datas.each_with_index do |(b_start,b_end),i|
            if b_start >= stime_tp || b_end <= etime_tp
              start_index = i
              break
            end
          end
          b_datas = b_datas[start_index..-1].to_a.map{|b_start,b_end| (b_start..b_end)}
        else
          b_datas = [b_sdata..b_edata]
        end
        while b_datas.present?
          available = b_datas.find{|b_range| b_range & (stime_tp..etime_tp)}.nil?
          stime_tp = stime_tp + d_step
          etime_tp = etime_tp + d_step
          break if !available || recurring_end_date.blank? || d_step==0
          start_index = b_datas.find_index{|b_range| b_range.first >= stime_tp}
          if start_index
            b_datas = b_datas[start_index..-1]
          else
            b_datas = []
          end
        end 
        break if available == false
      end
      end
    end
    return available
  end

  def self.time_iterate(start_time, end_time, step, &block)
    times = []
    if block_given?
      begin
        times << start_time
        yield(start_time, end_time)
      end while (start_time += step) <= end_time
    else
      start_time = start_time.clone
      begin
        times << start_time
      end while (start_time += step) <= end_time
    end
    times
  end
  def carousel_image_width
    (self.custom_carousel_image_width.blank? ? PropertyHireSetting.last.carousel_image_width : self.custom_carousel_image_width) rescue "75%"
  end
  def get_attribute_value(attribute_field, signup_id)
      SeminarSignupValue.find_by(seminar_signup_field_id: attribute_field.id, seminar_signup_id: signup_id)
  end

  def get_attribute_values(attribute_type=nil)
      @attribute_values = attribute_type.p_hire_field_values rescue nil
  end
  def get_value_from_field_id(field_id,attribute_type=nil)
      values = get_attribute_values(attribute_type)
      value = values.detect {|value| value.p_hire_field_id == field_id} rescue nil
      value ? value : nil
  end
  def get_basic_fields
    basic_fields = self.class::FIELDSNAME
    basic_fields = basic_fields.select{|f| (self.send(f)["enable"]  == "1" rescue true)}
  end
  def get_all_fields(get_default=false)
    @default_field_names = nil if @default_field_names.nil?
    if get_default
      if @default_field_names.nil?
        basic_fields = self.get_basic_fields
        custom_fields = []
        self.p_hire_fields.each do |p_hire_field|
          unless p_hire_field.disabled
            custom_fields << "p_hire_fields.#{p_hire_field.id}"
          end
        end
        @default_field_names = basic_fields + custom_fields
      end
      return @default_field_names
    else
      self.enable_fields_sort ? self.custom_field_names : self.default_field_names
    end
  end
end