class DraftSchool

# File app/models/draft_school.rb, line 21
def initialize(
  request_session:,
  current_user:,
  current_team: nil,
  **attributes
)
  @current_user = current_user
  @current_team = current_team
  super(request_session:, **attributes)
end

# File app/models/draft_school.rb, line 59
def add_school_context?
  context == "add_school"
end

# File app/models/draft_school.rb, line 63
def add_site_context?
  context == "add_site"
end

# File app/models/draft_school.rb, line 36
def address_line_1=(value)
  super(ApostropheNormaliser.call(value.presence&.normalise_whitespace))
end

# File app/models/draft_school.rb, line 40
def address_line_2=(value)
  super(ApostropheNormaliser.call(value.presence&.normalise_whitespace))
end

# File app/models/draft_school.rb, line 130
def address_parts
  [
    address_line_1,
    address_line_2,
    address_town,
    address_postcode
  ].compact_blank
end

# File app/models/draft_school.rb, line 44
def address_town=(value)
  super(ApostropheNormaliser.call(value.presence&.normalise_whitespace))
end

# File app/models/draft_school.rb, line 204
def cannot_remove_year_groups
  return unless editing?
  return if selected_year_groups.blank?

  if (source_location.year_groups - selected_year_groups).present?
    errors.add(:selected_year_groups, :inclusion)
  end
end

# File app/models/draft_school.rb, line 120
def existing_names
  return [] if resolved_urn.blank?

  scope = schools_with_urn
  scope = scope.where.not(id: editing_id) if editing?
  scope.pluck(:name)
end

# File app/models/draft_school.rb, line 170
def existing_year_groups
  source_location&.year_groups.presence ||
    source_location&.gias_year_groups || []
end

# File app/models/draft_school.rb, line 192
def human_enum_name(attr)
  source_location&.human_enum_name(attr)
end

# File app/models/draft_school.rb, line 32
def name=(value)
  super(ApostropheNormaliser.call(value.presence&.normalise_whitespace))
end

# File app/models/draft_school.rb, line 161
def next_site_letter
  return nil if resolved_urn.blank?

  existing_sites = schools_with_urn.pluck(:site).compact.sort
  return "B" if existing_sites.empty?

  existing_sites.max_by { [it.length, it] }.next
end

# File app/models/draft_school.rb, line 183
def programmes
  return source_location.programmes if source_location&.programmes.present?
  return [] if current_team.nil?

  current_team.programmes.select do |programme|
    (programme.default_year_groups & year_groups).any?
  end
end

# File app/models/draft_school.rb, line 139
def readable_attribute_names
  writable_attribute_names
end

# File app/models/draft_school.rb, line 128
  def request_session_key = "draft_school"

  def address_parts
    [
      address_line_1,
      address_line_2,
      address_town,
      address_postcode
    ].compact_blank
  end

  def readable_attribute_names
    writable_attribute_names
  end

  def writable_attribute_names
    %w[name address_line_1 address_line_2 address_town address_postcode]
  end

  def resolved_urn
    source_location&.urn
  end

  def urn_and_site
    if editing?
      source_location&.urn_and_site
    else
      return nil if resolved_urn.blank?

      add_school_context? ? resolved_urn : "#{resolved_urn}#{next_site_letter}"
    end
  end

  def next_site_letter
    return nil if resolved_urn.blank?

    existing_sites = schools_with_urn.pluck(:site).compact.sort
    return "B" if existing_sites.empty?

    existing_sites.max_by { [it.length, it] }.next
  end

  def existing_year_groups
    source_location&.year_groups.presence ||
      source_location&.gias_year_groups || []
  end

  def year_groups
    selected_year_groups.presence || existing_year_groups
  end

  def year_groups=(values)
    self.selected_year_groups = values&.compact_blank&.map(&:to_i) || []
  end

  def programmes
    return source_location.programmes if source_location&.programmes.present?
    return [] if current_team.nil?

    current_team.programmes.select do |programme|
      (programme.default_year_groups & year_groups).any?
    end
  end

  def human_enum_name(attr)
    source_location&.human_enum_name(attr)
  end

  def schools_with_urn
    return [] if resolved_urn.blank?

    Location.where(urn: resolved_urn)
  end

  private

  def cannot_remove_year_groups
    return unless editing?
    return if selected_year_groups.blank?

    if (source_location.year_groups - selected_year_groups).present?
      errors.add(:selected_year_groups, :inclusion)
    end
  end

  def school_exists_and_available
    return if urn.blank?

    if source_location.nil?
      errors.add(:urn, "No school found with this URN")
      return
    end

    if source_location.closed?
      errors.add(
        :urn,
        "This school is closed and cannot be added to your team."
      )
      return
    end

    sites =
      Location
        .where(id: schools_with_urn.map(&:id))
        .joins(:team_locations)
        .where(team_locations: { academic_year: AcademicYear.pending })

    if sites.where(team_locations: { team: current_team }).exists?
      errors.add(:urn, "This school has already been added to your team.")
      return
    end

    if sites.where.not(team_locations: { team: current_team }).exists?
      errors.add(
        :urn,
        "This school is already assigned to another team. Contact the Mavis team if this needs to be changed."
      )
    end
  end
end

# File app/models/draft_school.rb, line 147
def resolved_urn
  source_location&.urn
end

# File app/models/draft_school.rb, line 213
def school_exists_and_available
  return if urn.blank?

  if source_location.nil?
    errors.add(:urn, "No school found with this URN")
    return
  end

  if source_location.closed?
    errors.add(
      :urn,
      "This school is closed and cannot be added to your team."
    )
    return
  end

  sites =
    Location
      .where(id: schools_with_urn.map(&:id))
      .joins(:team_locations)
      .where(team_locations: { academic_year: AcademicYear.pending })

  if sites.where(team_locations: { team: current_team }).exists?
    errors.add(:urn, "This school has already been added to your team.")
    return
  end

  if sites.where.not(team_locations: { team: current_team }).exists?
    errors.add(
      :urn,
      "This school is already assigned to another team. Contact the Mavis team if this needs to be changed."
    )
  end
end

# File app/models/draft_school.rb, line 196
def schools_with_urn
  return [] if resolved_urn.blank?

  Location.where(urn: resolved_urn)
end

# File app/models/draft_school.rb, line 105
def source_location
  return Location.find(editing_id) if editing?
  return nil if add_site_context? && parent_urn_and_site.blank?
  return nil if add_school_context? && urn.blank?

  if add_school_context?
    Location.find_by_urn_and_site(urn.strip)
  else
    LocationPolicy::Scope
      .new(@current_user, Location)
      .resolve
      .find_by_urn_and_site(parent_urn_and_site)
  end
end

# File app/models/draft_school.rb, line 151
def urn_and_site
  if editing?
    source_location&.urn_and_site
  else
    return nil if resolved_urn.blank?

    add_school_context? ? resolved_urn : "#{resolved_urn}#{next_site_letter}"
  end
end

# File app/models/draft_school.rb, line 48
def wizard_steps
  [
    (:school if add_site_context? && !editing?),
    (:details if add_site_context? || editing?),
    (:urn if add_school_context?),
    (:confirm_urn if add_school_context?),
    :year_groups,
    :confirm
  ].compact
end

# File app/models/draft_school.rb, line 143
def writable_attribute_names
  %w[name address_line_1 address_line_2 address_town address_postcode]
end

# File app/models/draft_school.rb, line 175
def year_groups
  selected_year_groups.presence || existing_year_groups
end

# File app/models/draft_school.rb, line 179
def year_groups=(values)
  self.selected_year_groups = values&.compact_blank&.map(&:to_i) || []
end