require 'calculations/bicameral_both_houses_sitting'

 require 'calculations/bicameral_si_either_house_sitting'

 require 'calculations/commons_only_si'

 require 'calculations/commons_only_sitting_days'

 require 'calculations/pnsi'

 require 'calculations/treaty'

 require 'calculations/interval'

 class CalculatorController < ApplicationController

   include CALCULATION_BICAMERAL_BOTH_HOUSES_SITTING

   include CALCULATION_BICAMERAL_SI_EITHER_HOUSE_SITTING

   include CALCULATION_COMMONS_ONLY_SI

   include CALCULATION_COMMONS_ONLY_SITTING_DAYS

   include CALCULATION_PNSI

   include CALCULATION_TREATY

   include CALCULATION_INTERVAL

   def index

     @title = "Calculate scrutiny periods"

     @procedures = Procedure.all.where( 'active is true' ).order( 'display_order asc')

   end

   def style

     @title = "Calculate scrutiny periods"

   end

   def calculate

     start_date = params['start-date']

     day_count = params['day-count']

     procedure = params['procedure'].to_i if params['procedure']

     calculation_style = params['calculation-style'].to_i if params['calculation-style']

     if ( procedure.nil? and calculation_style.nil? ) or start_date.blank?

 	    @title = "Sorry, we need more information to complete the calculation"

       render :template => 'calculator/not_enough_information'

     else

       @start_date = Date.parse( start_date )

       @procedure = Procedure.find( procedure ) if procedure

       @calculation_style = calculation_style if calculation_style

       if day_count.blank? or day_count.to_i == 0

     	  @title = "Calculate scrutiny period"

         render :template => 'calculator/day_count_form'

       else

     	  @title = "Calculated scrutiny period"

         @day_count = day_count.to_i

         if @procedure

           case @procedure.id

           when 1, 17, 18, 19, 2, 4, 21, 22, 23

             @start_date_type = "laying date"

             @scrutiny_end_date = bicameral_calculation_both_houses_sitting( @start_date, @day_count )

           when 3

             @start_date_type = "laying date"

             @scrutiny_end_date = pnsi_calculation( @start_date, @day_count )

           when 5

             @start_date_type = "laying date"

             @scrutiny_end_date = commons_only_si_calculation( @start_date, @day_count )

           when 6, 13, 14

             @start_date_type = "laying date"

             @scrutiny_end_date = bicameral_si_either_house_sitting_calculation( @start_date, @day_count )

           when 7

             @start_date_type = "making date"

             @scrutiny_end_date = commons_only_si_calculation( @start_date, @day_count )

           when 8

             @start_date_type = "making date"

             @scrutiny_end_date = bicameral_calculation_both_houses_sitting( @start_date, @day_count )

           when 9, 15, 16

             @start_date_type = "making date"

             @scrutiny_end_date = bicameral_si_either_house_sitting_calculation( @start_date, @day_count )

           when 10

             @start_date_type = "laying date"

             @scrutiny_end_date = treaty_calculation( @start_date, @day_count )

           when 11

             @start_date_type = "date of Ministerial statement"

             @scrutiny_end_date = treaty_calculation( @start_date, @day_count )

           when 12

             @start_date_type = "date of publication"

             @scrutiny_end_date = bicameral_calculation_both_houses_sitting( @start_date, @day_count )

           when 20

             @start_date_type = "laying date"

             @scrutiny_end_date = commons_only_sitting_days( @start_date, @day_count )

           end

         elsif @calculation_style

           case @calculation_style

           when 1

             @scrutiny_end_date = bicameral_calculation_both_houses_sitting( @start_date, @day_count )

           when 2

             @scrutiny_end_date = bicameral_si_either_house_sitting_calculation( @start_date, @day_count )

           when 3

             @scrutiny_end_date = commons_only_si_calculation( @start_date, @day_count )

           when 4

             @scrutiny_end_date = pnsi_calculation( @start_date, @day_count )

           when 5

             @scrutiny_end_date = treaty_calculation( @start_date, @day_count )

           when 6

             @scrutiny_end_date = commons_only_sitting_days( @start_date, @day_count )

           end

         end

       end

       @alternate_title = 'anticipated end date of the scrutiny period'

       @json_url = request.original_fullpath.sub '?', '.json?'

       @calendar_links = []

       calendar_link = ['Anticipated end date of the scrutiny period', request.original_fullpath.sub( '?', '.ics?' )]

       @calendar_links << calendar_link

     end

   end

   def interval

     @title = "Calculate sitting days during an interval"

     @houses = House.all

   end

   def interval_calculate

     start_date = params['start-date']

     end_date = params['end-date']

     if start_date.blank? or end_date.blank?

 	    @title = "Sorry, we need more information to complete the calculation"

       render :template => 'calculator/interval_not_enough_information'

     else

     	@title = "Number of sitting days within the interval"

       @start_date = Date.parse( start_date )

       @end_date = Date.parse( end_date )

       if @start_date >= @end_date

     	  @title = "Unable to calculate sitting days"

         @error_message = "The start date must precede the end date."

         render :template => 'calculator/interval_error'

       else

         @commons_sitting_day_count = 0

         @lords_sitting_day_count = 0

         calculate_sitting_days_in_interval( @start_date, @end_date )

       end

     end

   end

 end