class SaleTax < ApplicationRecord
  include NumberFormattable
  self.primary_key = "sale_tax_id"

  #primary key - need to be unique generated for multiple shops
  before_create :generate_custom_id
  belongs_to :sale

  before_validation :round_to_precision

  def self.sync_sale_tax_records(sale_taxes)
    if !sale_taxes.nil?
      sale_taxes.each do |t|
        tax = SaleTax.find_by_sale_tax_id(t['sale_tax_id'])
        # unless SaleTax.exists?(t['sale_tax_id'])
        if tax.nil?
          tax = SaleTax.new
        end
        tax.sale_tax_id = t['sale_tax_id']
        tax.sale_id = t['sale_id']
        tax.tax_name = t['tax_name']
        tax.tax_rate = t['tax_rate']
        tax.tax_payable_amount = t['tax_payable_amount']
        tax.inclusive = t['inclusive']
        tax.save
      end
      Rails.logger.debug '...... Sale Tax sync completed .....'
    end
  end

  def self.get_tax(from,to)
    query = SaleTax.select("sale_taxes.tax_name,SUM(sale_taxes.tax_payable_amount) as tax_amount")
              .joins("join sales on sales.sale_id = sale_taxes.sale_id")
              .where("sale_status = ? AND sales.receipt_date between ? and ? AND total_amount != 0 AND inclusive = 0", 'completed', from, to)
              .group("sale_taxes.tax_name")
  end

  def display_name
    "#{self.tax_name} (#{'Incl. '  if self.inclusive}#{self.tax_rate}%)"
  end

  private
  def generate_custom_id
    if self.sale_tax_id.nil?
      self.sale_tax_id = SeedGenerator.generate_id(self.class.name, "STI")
    end
  end

  def round_to_precision
    if self.tax_payable_amount != self.tax_payable_amount_was
      if self.tax_payable_amount % 1 > 0
        self.tax_payable_amount = self.tax_payable_amount.round(precision)
      end
    end
  end
end