module Validations::DateValidations
  include Validations::SharedValidations
  include CollectionTimeHelper

  def validate_property_major_repairs(record)
    date_valid?("mrcdate", record)
    if record["startdate"].present? && record["mrcdate"].present? && record["startdate"] < record["mrcdate"]
      record.errors.add :mrcdate, I18n.t("validations.property.mrcdate.before_tenancy_start")
    end

    if is_rsnvac_first_let?(record) && record["mrcdate"].present?
      record.errors.add :mrcdate, I18n.t("validations.property.mrcdate.not_first_let")
    end

    if record["mrcdate"].present? && record["startdate"].present? && record["startdate"].to_date - record["mrcdate"].to_date > 3650
      record.errors.add :mrcdate, I18n.t("validations.property.mrcdate.ten_years_before_tenancy_start")
    end
  end

  def validate_property_void_date(record)
    if record["voiddate"].present? && record["startdate"].present? && record["startdate"].to_date - record["voiddate"].to_date > 3650
      record.errors.add :voiddate, I18n.t("validations.property.void_date.ten_years_before_tenancy_start")
    end

    if record["voiddate"].present? && record["startdate"].present? && record["startdate"].to_date < record["voiddate"].to_date
      record.errors.add :voiddate, I18n.t("validations.property.void_date.before_tenancy_start")
    end

    if record["voiddate"].present? && record["mrcdate"].present? && record["mrcdate"].to_date < record["voiddate"].to_date
      record.errors.add :voiddate, I18n.t("validations.property.void_date.after_mrcdate")
    end
  end

  def validate_startdate(record)
    return unless record.startdate && date_valid?("startdate", record)

    unless record.startdate.between?(current_collection_start_date, active_collection_end_date)
      record.errors.add :startdate, validation_error_message
    end

    if FeatureToggle.startdate_two_week_validation_enabled? && record.startdate > Time.zone.today + 14
      record.errors.add :startdate, I18n.t("validations.setup.startdate.later_than_14_days_after")
    end

    if record.scheme_id.present?
      scheme_end_date = record.scheme.end_date
      if scheme_end_date.present? && record.startdate > scheme_end_date
        record.errors.add :startdate, I18n.t("validations.setup.startdate.before_scheme_end_date")
      end
    end

    if record["voiddate"].present? && record.startdate < record["voiddate"]
      record.errors.add :startdate, I18n.t("validations.setup.startdate.after_void_date")
    end

    if record["mrcdate"].present? && record.startdate < record["mrcdate"]
      record.errors.add :startdate, I18n.t("validations.setup.startdate.after_major_repair_date")
    end

    location_during_startdate_validation(record, :startdate)
    scheme_during_startdate_validation(record, :startdate)
  end

private

  def active_collection_end_date
    if FeatureToggle.startdate_next_collection_year_validation_enabled?
      next_collection_end_date

    else
      current_collection_end_date
    end
  end

  def validation_error_message
    start_date = current_collection_start_date
    if FeatureToggle.startdate_next_collection_year_validation_enabled?
      I18n.t(
        "validations.setup.startdate.current_and_next_financial_year",
        current_start_year_short: start_date.strftime("%y"),
        current_end_year_short: current_collection_end_date.strftime("%y"),
        current_start_year_long: start_date.strftime("%Y"),
        next_end_year_short: next_collection_end_date.strftime("%y"),
        next_end_year_long: next_collection_end_date.strftime("%Y"),
        )
    else
      I18n.t(
        "validations.setup.startdate.current_financial_year",
        current_start_year_short: start_date.strftime("%y"),
        current_end_year_short: current_collection_end_date.strftime("%y"),
        current_start_year_long: start_date.strftime("%Y"),
        current_end_year_long: current_collection_end_date.strftime("%Y"),
        )
    end
  end

  def is_rsnvac_first_let?(record)
    [15, 16, 17].include?(record["rsnvac"])
  end
end