class Procedure < ApplicationRecord
  include ProcedureStatsConcern
  include EncryptableConcern
  include InitiationProcedureConcern
  include ProcedureGroupeInstructeurAPIHackConcern
  include ProcedureSVASVRConcern
  include ProcedureChorusConcern

  include Discard::Model
  self.discard_column = :hidden_at
  self.ignored_columns += [
    :direction,
    :durees_conservation_required,
    :cerfa_flag,
    :test_started_at,
    :lien_demarche
  ]

  default_scope -> { kept }

  OLD_MAX_DUREE_CONSERVATION = 36
  NEW_MAX_DUREE_CONSERVATION = Expired::DEFAULT_DOSSIER_RENTENTION_IN_MONTH

  MIN_WEIGHT = 350000

  DOSSIERS_COUNT_EXPIRING = 1.hour

  attr_encrypted :api_particulier_token

  has_many :revisions, -> { order(:id) }, class_name: 'ProcedureRevision', inverse_of: :procedure
  belongs_to :draft_revision, class_name: 'ProcedureRevision', optional: false
  belongs_to :published_revision, class_name: 'ProcedureRevision', optional: true
  has_many :deleted_dossiers, dependent: :destroy

  has_many :draft_types_de_champ_public, through: :draft_revision, source: :types_de_champ_public
  has_many :draft_types_de_champ_private, through: :draft_revision, source: :types_de_champ_private
  has_many :published_types_de_champ_public, through: :published_revision, source: :types_de_champ_public
  has_many :published_types_de_champ_private, through: :published_revision, source: :types_de_champ_private

  has_one :published_dossier_submitted_message, dependent: :destroy, through: :published_revision, source: :dossier_submitted_message
  has_one :draft_dossier_submitted_message, dependent: :destroy, through: :draft_revision, source: :dossier_submitted_message
  has_many :dossier_submitted_messages, through: :revisions, source: :dossier_submitted_message

  has_many :experts_procedures, dependent: :destroy
  has_many :experts, through: :experts_procedures
  has_many :replaced_procedures, -> { with_discarded }, inverse_of: :replaced_by_procedure, class_name: "Procedure",
  foreign_key: "replaced_by_procedure_id", dependent: :nullify

  has_one :module_api_carto, dependent: :destroy
  has_many :attestation_templates, dependent: :destroy
  has_one :attestation_template_v1, -> { AttestationTemplate.v1 }, dependent: :destroy, class_name: "AttestationTemplate", inverse_of: :procedure
  has_one :attestation_template_v2, -> { AttestationTemplate.v2 }, dependent: :destroy, class_name: "AttestationTemplate", inverse_of: :procedure

  has_one :attestation_template, -> { order(Arel.sql("CASE WHEN version = '1' THEN 0 ELSE 1 END")) }, dependent: :destroy, inverse_of: :procedure

  belongs_to :parent_procedure, class_name: 'Procedure', optional: true
  belongs_to :canonical_procedure, class_name: 'Procedure', optional: true
  belongs_to :replaced_by_procedure, -> { with_discarded }, inverse_of: :replaced_procedures, class_name: "Procedure", optional: true
  belongs_to :service, optional: true
  belongs_to :zone, optional: true
  has_and_belongs_to_many :zones

  has_many :bulk_messages, dependent: :destroy

  def active_dossier_submitted_message
    published_dossier_submitted_message || draft_dossier_submitted_message
  end

  def active_revision
    brouillon? ? draft_revision : published_revision
  end

  def types_de_champ_for_procedure_presentation(parent = nil)
    if brouillon?
      if parent.nil?
        TypeDeChamp.fillable
          .joins(:revision_types_de_champ)
          .where(revision_types_de_champ: { revision_id: draft_revision_id, parent_id: nil })
          .order(:private, :position)
      else
        draft_revision.children_of(parent)
      end
    else
      # all published revisions
      revision_ids = revisions.ids - [draft_revision_id]
      # fetch all parent types de champ
      parent_ids = if parent.present?
        ProcedureRevisionTypeDeChamp
          .where(revision_id: revision_ids)
          .joins(:type_de_champ)
          .where(type_de_champ: { stable_id: parent.stable_id })
          .ids
      end

      # fetch all type_de_champ.stable_id for all the revisions expect draft
      # and for each stable_id take the bigger (more recent) type_de_champ.id
      recent_ids = TypeDeChamp
        .fillable
        .joins(:revision_types_de_champ)
        .where(revision_types_de_champ: { revision_id: revision_ids, parent_id: parent_ids })
        .group(:stable_id).select('MAX(types_de_champ.id)')

      # fetch the more recent procedure_revision_types_de_champ
      # which includes recents_ids
      recents_prtdc = ProcedureRevisionTypeDeChamp
        .where(type_de_champ_id: recent_ids)
        .where.not(revision_id: draft_revision_id)
        .group(:type_de_champ_id)
        .select('MAX(id)')

      TypeDeChamp
        .joins(:revision_types_de_champ)
        .where(revision_types_de_champ: { id: recents_prtdc }).then do |relation|
          if feature_enabled?(:export_order_by_revision) # Fonds Verts, en attente d'exports personnalisables
            relation.order(:private, 'revision_types_de_champ.revision_id': :desc, position: :asc)
          else
            relation.order(:private, :position, 'revision_types_de_champ.revision_id': :desc)
          end
        end
    end
  end

  def types_de_champ_for_tags
    TypeDeChamp
      .fillable
      .joins(:revisions)
      .where(procedure_revisions: brouillon? ? { id: draft_revision_id } : { procedure_id: id })
      .where(revision_types_de_champ: { parent_id: nil })
      .order(:created_at)
      .distinct(:id)
  end

  def types_de_champ_public_for_tags
    types_de_champ_for_tags.public_only
  end

  def types_de_champ_private_for_tags
    types_de_champ_for_tags.private_only
  end

  def revisions_with_pending_dossiers
    @revisions_with_pending_dossiers ||= begin
      ids = dossiers
        .where.not(revision_id: [draft_revision_id, published_revision_id].compact)
        .state_en_construction_ou_instruction
        .distinct(:revision_id)
        .pluck(:revision_id)
      ProcedureRevision.includes(revision_types_de_champ: [:type_de_champ]).where(id: ids)
    end
  end

  has_many :administrateurs_procedures, dependent: :delete_all
  has_many :administrateurs, through: :administrateurs_procedures, after_remove: -> (procedure, _admin) { procedure.validate! }
  has_many :groupe_instructeurs, -> { order(:label) }, inverse_of: :procedure, dependent: :destroy
  has_many :instructeurs, through: :groupe_instructeurs

  has_many :active_groupe_instructeurs, -> { active }, class_name: 'GroupeInstructeur', inverse_of: false
  has_many :closed_groupe_instructeurs, -> { closed }, class_name: 'GroupeInstructeur', inverse_of: false

  # This relationship is used in following dossiers through. We can not use revisions relationship
  # as order scope introduces invalid sql in some combinations.
  has_many :unordered_revisions, class_name: 'ProcedureRevision', inverse_of: :procedure, dependent: :destroy
  has_many :dossiers, through: :unordered_revisions, dependent: :restrict_with_exception

  has_one :initiated_mail, class_name: "Mails::InitiatedMail", dependent: :destroy
  has_one :received_mail, class_name: "Mails::ReceivedMail", dependent: :destroy
  has_one :closed_mail, class_name: "Mails::ClosedMail", dependent: :destroy
  has_one :refused_mail, class_name: "Mails::RefusedMail", dependent: :destroy
  has_one :without_continuation_mail, class_name: "Mails::WithoutContinuationMail", dependent: :destroy
  has_one :re_instructed_mail, class_name: "Mails::ReInstructedMail", dependent: :destroy

  belongs_to :defaut_groupe_instructeur, class_name: 'GroupeInstructeur', inverse_of: false, optional: true

  has_one_attached :logo do |attachable|
    attachable.variant :email, resize_to_limit: [450, 450]
  end
  has_one_attached :notice
  has_one_attached :deliberation

  scope :brouillons,             -> { where(aasm_state: :brouillon) }
  scope :publiees,               -> { where(aasm_state: :publiee) }
  scope :publiees_ou_brouillons, -> { where(aasm_state: [:publiee, :brouillon]) }
  scope :closes,                 -> { where(aasm_state: [:close, :depubliee]) }
  scope :opendata,               -> { where(opendata: true) }
  scope :publiees_ou_closes,     -> { where(aasm_state: [:publiee, :close, :depubliee]) }

  scope :with_external_urls,     -> { where.not(lien_notice: [nil, '']).or(where.not(lien_dpo: [nil, ''])) }

  scope :publiques,              -> do
    publiees_ou_closes
      .opendata
      .where('estimated_dossiers_count >= ?', 4)
      .where.not('lien_site_web LIKE ?', '%mail%')
      .where.not('lien_site_web LIKE ?', '%intra%')
  end

  scope :by_libelle,             -> { order(libelle: :asc) }
  scope :created_during,         -> (range) { where(created_at: range) }
  scope :cloned_from_library,    -> { where(cloned_from_library: true) }
  scope :declarative,            -> { where.not(declarative_with_state: nil) }

  scope :discarded_expired, -> do
    with_discarded
      .discarded
      .where('hidden_at < ?', 1.month.ago)
  end

  scope :for_api, -> {
    includes(
      :administrateurs,
      :module_api_carto,
      published_revision: [
        :types_de_champ_private,
        :types_de_champ_public
      ],
      draft_revision: [
        :types_de_champ_private,
        :types_de_champ_public
      ]
    )
  }

  enum declarative_with_state: {
    en_instruction:  'en_instruction',
    accepte:         'accepte'
  }

  enum closing_reason: {
    internal_procedure: 'internal_procedure',
    other: 'other'
  }, _prefix: true

  scope :for_api_v2, -> {
    includes(:draft_revision, :published_revision, administrateurs: :user)
  }

  scope :for_download, -> {
    includes(
      :groupe_instructeurs,
      dossiers: {
        champs_public: [
          piece_justificative_file_attachments: :blob,
          champs: [
            piece_justificative_file_attachments: :blob
          ]
        ]
      }
    )
  }

  validates :libelle, presence: true, allow_blank: false, allow_nil: false
  validates :description, presence: true, allow_blank: false, allow_nil: false
  validates :administrateurs, presence: true

  validates :lien_site_web, presence: true, if: :publiee?
  validates :lien_notice, url: { no_local: true, allow_blank: true }
  validates :lien_dpo, url: { no_local: true, allow_blank: true, accept_email: true }

  validates :draft_types_de_champ_public,
    'types_de_champ/no_empty_block': true,
    'types_de_champ/no_empty_drop_down': true,
    on: :publication
  validates :draft_types_de_champ_private,
    'types_de_champ/no_empty_block': true,
    'types_de_champ/no_empty_drop_down': true,
    on: :publication

  validate :check_juridique, on: [:create, :publication]

  validates :replaced_by_procedure_id, presence: true, if: :closing_reason_internal_procedure?

  validates :path, presence: true, format: { with: /\A[a-z0-9_\-]{3,200}\z/ }, uniqueness: { scope: [:path, :closed_at, :hidden_at, :unpublished_at], case_sensitive: false }
  validates :duree_conservation_dossiers_dans_ds, allow_nil: false,
                                                  numericality: {
                                                    only_integer: true,
                                                    greater_than_or_equal_to: 1,
                                                    less_than_or_equal_to: :max_duree_conservation_dossiers_dans_ds
                                                  }
  validates :max_duree_conservation_dossiers_dans_ds, allow_nil: false,
                                                  numericality: {
                                                    only_integer: true,
                                                    greater_than_or_equal_to: 1,
                                                    less_than_or_equal_to: Expired::MAX_DOSSIER_RENTENTION_IN_MONTH
                                                  }

  validates_with MonAvisEmbedValidator

  validates_associated :draft_revision, on: :publication
  validates_associated :initiated_mail, on: :publication
  validates_associated :received_mail, on: :publication
  validates_associated :closed_mail, on: :publication
  validates_associated :refused_mail, on: :publication
  validates_associated :without_continuation_mail, on: :publication
  validates_associated :re_instructed_mail, on: :publication
  validates_associated :attestation_template, on: :publication, if: -> { attestation_template&.activated? }

  FILE_MAX_SIZE = 20.megabytes
  validates :notice, content_type: [
    "application/msword",
    "application/pdf",
    "application/vnd.ms-powerpoint",
    "application/vnd.oasis.opendocument.presentation",
    "application/vnd.oasis.opendocument.text",
    "application/vnd.openxmlformats-officedocument.presentationml.presentation",
    "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
    "image/jpeg",
    "image/jpg",
    "image/png",
    "text/plain"
  ], size: { less_than: FILE_MAX_SIZE }, if: -> { new_record? || created_at > Date.new(2020, 2, 28) }

  validates :deliberation, content_type: [
    "application/msword",
    "application/pdf",
    "application/vnd.oasis.opendocument.text",
    "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
    "image/jpeg",
    "image/jpg",
    "image/png",
    "text/plain"
  ], size: { less_than: FILE_MAX_SIZE }, if: -> { new_record? || created_at > Date.new(2020, 4, 29) }

  LOGO_MAX_SIZE = 5.megabytes
  validates :logo, content_type: ['image/png', 'image/jpg', 'image/jpeg'],
    size: { less_than: LOGO_MAX_SIZE },
    if: -> { new_record? || created_at > Date.new(2020, 11, 13) }

  validates :api_entreprise_token, jwt_token: true, allow_blank: true
  validates :api_particulier_token, format: { with: /\A[A-Za-z0-9\-_=.]{15,}\z/ }, allow_blank: true
  validate :validate_auto_archive_on_in_the_future, if: :will_save_change_to_auto_archive_on?

  before_save :update_juridique_required
  after_save :extend_conservation_for_dossiers

  after_initialize :ensure_path_exists
  before_save :ensure_path_exists
  after_create :ensure_defaut_groupe_instructeur

  include AASM

  aasm whiny_persistence: true do
    state :brouillon, initial: true
    state :publiee
    state :close
    state :depubliee

    event :publish, before: :before_publish do
      transitions from: :brouillon, to: :publiee, after: :after_publish
      transitions from: :close, to: :publiee, after: :after_republish
      transitions from: :depubliee, to: :publiee, after: :after_republish
    end

    event :close, after: :after_close do
      transitions from: :publiee, to: :close
    end

    event :unpublish, after: :after_unpublish do
      transitions from: :publiee, to: :depubliee
    end
  end

  def dossiers_close_to_expiration
    dossiers.close_to_expiration.count
  end

  def publish_or_reopen!(administrateur)
    Procedure.transaction do
      if brouillon?
        reset!
      end

      other_procedure = other_procedure_with_path(path)
      if other_procedure.present? && administrateur.owns?(other_procedure)
        other_procedure.unpublish!
        publish!(other_procedure.canonical_procedure || other_procedure)
      else
        publish!
      end
    end
  end

  def reset!
    if !locked? || draft_changed?
      dossier_ids_to_destroy = draft_revision.dossiers.ids
      if dossier_ids_to_destroy.present?
        Rails.logger.info("Resetting #{dossier_ids_to_destroy.size} dossiers on procedure #{id}: #{dossier_ids_to_destroy}")
        draft_revision.dossiers.destroy_all
      end
    end
  end

  def suggested_path(administrateur)
    if path_customized?
      return path
    end
    slug = libelle&.parameterize&.first(50)
    suggestion = slug
    counter = 1
    while !path_available?(suggestion)
      counter = counter + 1
      suggestion = "#{slug}-#{counter}"
    end
    suggestion
  end

  def other_procedure_with_path(path)
    Procedure.publiees
      .where.not(id: self.id)
      .find_by(path: path)
  end

  def path_available?(path)
    other_procedure_with_path(path).blank?
  end

  def canonical_procedure_child?(procedure)
    !canonical_procedure || canonical_procedure == procedure || canonical_procedure == procedure.canonical_procedure
  end

  def locked?
    publiee? || close? || depubliee?
  end

  def draft_changed?
    preload_draft_and_published_revisions
    !brouillon? && published_revision.different_from?(draft_revision) && revision_changes.present?
  end

  def revision_changes
    published_revision.compare(draft_revision)
  end

  def preload_draft_and_published_revisions
    revisions = []
    if !association(:published_revision).loaded? && published_revision_id.present?
      revisions.push(published_revision)
    end
    if !association(:draft_revision).loaded? && draft_revision_id.present?
      revisions.push(draft_revision)
    end
    ProcedureRevisionPreloader.new(revisions).all if !revisions.empty?
  end

  def accepts_new_dossiers?
    publiee? || brouillon?
  end

  def replaced_by_procedure?
    replaced_by_procedure_id.present?
  end

  def dossier_can_transition_to_en_construction?
    accepts_new_dossiers? || depubliee?
  end

  def expose_legacy_carto_api?
    module_api_carto&.use_api_carto? && module_api_carto&.migrated?
  end

  def declarative?
    declarative_with_state.present?
  end

  def declarative_accepte?
    declarative_with_state == Procedure.declarative_with_states.fetch(:accepte)
  end

  def declarative_en_instruction?
    declarative_with_state == Procedure.declarative_with_states.fetch(:en_instruction)
  end

  def self.declarative_attributes_for_select
    declarative_with_states.map do |state, _|
      [I18n.t("activerecord.attributes.#{model_name.i18n_key}.declarative_with_state/#{state}"), state]
    end
  end

  def feature_enabled?(feature)
    Flipper.enabled?(feature, self)
  end

  def path_customized?
    !path.match?(/[[:xdigit:]]{8}-[[:xdigit:]]{4}-[[:xdigit:]]{4}-[[:xdigit:]]{4}-[[:xdigit:]]{12}/)
  end

  def organisation_name
    service&.nom || organisation
  end

  def self.active(id)
    publiees.find(id)
  end

  def clone(admin, from_library)
    is_different_admin = !admin.owns?(self)

    populate_champ_stable_ids
    include_list = {
      attestation_template: [],
      draft_revision: {
        revision_types_de_champ: [:type_de_champ],
        dossier_submitted_message: []
      }
    }
    include_list[:groupe_instructeurs] = [:instructeurs, :contact_information] if !is_different_admin
    procedure = self.deep_clone(include: include_list) do |original, kopy|
      ClonePiecesJustificativesService.clone_attachments(original, kopy)
    end
    procedure.path = SecureRandom.uuid
    procedure.aasm_state = :brouillon
    procedure.closed_at = nil
    procedure.unpublished_at = nil
    procedure.published_at = nil
    procedure.auto_archive_on = nil
    procedure.lien_notice = nil
    procedure.duree_conservation_etendue_par_ds = false
    if procedure.duree_conservation_dossiers_dans_ds > NEW_MAX_DUREE_CONSERVATION
      procedure.duree_conservation_dossiers_dans_ds = NEW_MAX_DUREE_CONSERVATION
      procedure.max_duree_conservation_dossiers_dans_ds = NEW_MAX_DUREE_CONSERVATION
    end
    procedure.estimated_dossiers_count = 0
    procedure.published_revision = nil
    procedure.draft_revision.procedure = procedure

    if is_different_admin
      procedure.administrateurs = [admin]
      procedure.api_entreprise_token = nil
      procedure.encrypted_api_particulier_token = nil
      procedure.opendata = true
      procedure.api_particulier_scopes = []
      procedure.routing_enabled = false
    else
      procedure.administrateurs = administrateurs
    end

    procedure.initiated_mail = initiated_mail&.dup
    procedure.received_mail = received_mail&.dup
    procedure.closed_mail = closed_mail&.dup
    procedure.refused_mail = refused_mail&.dup
    procedure.without_continuation_mail = without_continuation_mail&.dup
    procedure.re_instructed_mail = re_instructed_mail&.dup
    procedure.ask_birthday = false # see issue #4242

    procedure.cloned_from_library = from_library
    procedure.parent_procedure = self
    procedure.canonical_procedure = nil
    procedure.replaced_by_procedure = nil
    procedure.service = nil
    procedure.closing_reason = nil
    procedure.closing_details = nil
    procedure.closing_notification_brouillon = false
    procedure.closing_notification_en_cours = false

    if !procedure.valid?
      procedure.errors.attribute_names.each do |attribute|
        next if [:notice, :deliberation, :logo].exclude?(attribute)
        procedure.public_send("#{attribute}=", nil)
      end
    end

    transaction do
      procedure.save!
      move_new_children_to_new_parent_coordinate(procedure.draft_revision)
    end

    if is_different_admin || from_library
      procedure.draft_revision.types_de_champ_public.each { |tdc| tdc.options&.delete(:old_pj) }
    end

    new_defaut_groupe = procedure.groupe_instructeurs
      .find_by(label: defaut_groupe_instructeur.label) || procedure.groupe_instructeurs.first
    procedure.update!(defaut_groupe_instructeur: new_defaut_groupe)

    Flipper.features.each do |feature|
      next if feature.enabled? # don't clone features globally enabled
      next unless feature_enabled?(feature.key)

      Flipper.enable(feature.key, procedure)
    end

    procedure
  end

  def whitelisted?
    whitelisted_at.present?
  end

  def hidden_as_template?
    hidden_at_as_template.present?
  end

  def hide_as_template!
    touch(:hidden_at_as_template)
  end

  def unhide_as_template!
    self.hidden_at_as_template = nil
    save
  end

  def total_dossier
    self.dossiers.state_not_brouillon.size
  end

  def procedure_overview(start_date, groups)
    ProcedureOverview.new(self, start_date, groups)
  end

  def passer_en_construction_email_template
    initiated_mail || Mails::InitiatedMail.default_for_procedure(self)
  end

  def passer_en_instruction_email_template
    received_mail || Mails::ReceivedMail.default_for_procedure(self)
  end

  def accepter_email_template
    closed_mail || Mails::ClosedMail.default_for_procedure(self)
  end

  def refuser_email_template
    refused_mail || Mails::RefusedMail.default_for_procedure(self)
  end

  def classer_sans_suite_email_template
    without_continuation_mail || Mails::WithoutContinuationMail.default_for_procedure(self)
  end

  def repasser_en_instruction_email_template
    re_instructed_mail || Mails::ReInstructedMail.default_for_procedure(self)
  end

  def email_template_for(state)
    case state
    when Dossier.states.fetch(:en_construction)
      passer_en_construction_email_template
    when Dossier.states.fetch(:en_instruction)
      passer_en_instruction_email_template
    when DossierOperationLog.operations.fetch(:repasser_en_instruction)
      repasser_en_instruction_email_template
    when Dossier.states.fetch(:accepte)
      accepter_email_template
    when Dossier.states.fetch(:refuse)
      refuser_email_template
    when Dossier.states.fetch(:sans_suite)
      classer_sans_suite_email_template
    else
      raise "Unknown dossier state: #{state}"
    end
  end

  def self.default_sort
    {
      'table' => 'self',
      'column' => 'id',
      'order' => 'desc'
    }
  end

  def whitelist!
    touch(:whitelisted_at)
  end

  def closed_mail_template_attestation_inconsistency_state
    # As an optimization, don’t check the predefined templates (they are presumed correct)
    if closed_mail.present?
      tag_present = closed_mail.body.to_s.include?("--lien attestation--")
      if attestation_template&.activated? && !tag_present
        :missing_tag
      elsif !attestation_template&.activated? && tag_present
        :extraneous_tag
      end
    end
  end

  def populate_champ_stable_ids
    TypeDeChamp
      .joins(:revisions)
      .where(procedure_revisions: { procedure_id: id }, stable_id: nil)
      .find_each do |type_de_champ|
        type_de_champ.update_column(:stable_id, type_de_champ.id)
      end
  end

  def missing_steps
    result = []

    if service.nil?
      result << :service
    end

    if missing_instructeurs?
      result << :instructeurs
    end

    if missing_zones?
      result << :zones
    end

    result
  end

  def logo_url
    if logo.attached?
      Rails.application.routes.url_helpers.url_for(logo)
    else
      ActionController::Base.helpers.image_url(PROCEDURE_DEFAULT_LOGO_SRC)
    end
  end

  def missing_instructeurs?
    !AssignTo.exists?(groupe_instructeur: groupe_instructeurs)
  end

  def missing_zones?
    if Rails.application.config.ds_zonage_enabled
      zones.empty?
    else
      false
    end
  end

  def revised?
    revisions.size > 2
  end

  def revisions_count
    # We start counting from the first revision after publication and we are not counting the draft (there is always one)
    revisions.size - 2
  end

  def instructeurs_self_management?
    instructeurs_self_management_enabled?
  end

  def groupe_instructeurs_but_defaut
    groupe_instructeurs - [defaut_groupe_instructeur]
  end

  def routing_champs
    active_revision.types_de_champ_public.filter(&:used_by_routing_rules?).map(&:libelle)
  end

  def can_be_deleted_by_administrateur?
    brouillon? || dossiers.state_en_instruction.empty?
  end

  def can_be_deleted_by_manager?
    kept? && can_be_deleted_by_administrateur?
  end

  def discard_and_keep_track!(author)
    if brouillon?
      reset!
    elsif publiee?
      close!
    end

    dossiers.visible_by_administration.find_each do |dossier|
      dossier.hide_and_keep_track!(author, :procedure_removed)
    end

    discard!
  end

  def purge_discarded
    if dossiers.empty?
      destroy
    end
  end

  def self.purge_discarded
    discarded_expired.find_each do |p|
      p.purge_discarded
    rescue StandardError => e
      Sentry.capture_exception(e, extra: { procedure_id: p.id })
    end
  end

  def restore(author)
    if discarded? && undiscard
      dossiers.hidden_by_administration.find_each do |dossier|
        dossier.restore(author)
      end
    end
  end

  def flipper_id
    "Procedure;#{id}"
  end

  def api_entreprise_role?(role)
    APIEntrepriseToken.new(api_entreprise_token).role?(role)
  end

  def api_entreprise_token
    self[:api_entreprise_token].presence || Rails.application.secrets.api_entreprise[:key]
  end

  def api_entreprise_token_expired?
    APIEntrepriseToken.new(api_entreprise_token).expired?
  end

  def create_new_revision(revision = nil)
    transaction do
      new_revision = (revision || draft_revision)
        .deep_clone(include: [:revision_types_de_champ])
        .tap { |revision| revision.published_at = nil }
        .tap(&:save!)

      move_new_children_to_new_parent_coordinate(new_revision)

      # they are not aware of the new tdcs
      new_revision.types_de_champ_public.reset
      new_revision.types_de_champ_private.reset

      new_revision
    end
  end

  def average_dossier_weight
    if dossiers.termine.any?
      dossiers_sample = dossiers.termine.limit(100)
      total_size = Champ
        .includes(piece_justificative_file_attachments: :blob)
        .where(type: Champs::PieceJustificativeChamp.to_s, dossier: dossiers_sample)
        .sum('active_storage_blobs.byte_size')

      MIN_WEIGHT + total_size / dossiers_sample.length
    else
      nil
    end
  end

  def publish_revision!
    reset!
    transaction do
      self.published_revision = draft_revision
      self.draft_revision = create_new_revision
      save!(context: :publication)
      published_revision.touch(:published_at)
    end
    dossiers
      .state_not_termine
      .find_each(&:rebase_later)
  end

  def reset_draft_revision!
    if published_revision.present? && draft_changed?
      reset!
      transaction do
        draft_revision.types_de_champ.filter(&:only_present_on_draft?).each(&:destroy)
        draft_revision.update(dossier_submitted_message: nil)
        draft_revision.destroy
        update!(draft_revision: create_new_revision(published_revision))
      end
    end
  end

  def cnaf_enabled?
    api_particulier_sources['cnaf'].present?
  end

  def dgfip_enabled?
    api_particulier_sources['dgfip'].present?
  end

  def pole_emploi_enabled?
    api_particulier_sources['pole_emploi'].present?
  end

  def mesri_enabled?
    api_particulier_sources['mesri'].present?
  end

  def published_or_created_at
    published_at || created_at
  end

  def publiee_or_close?
    publiee? || close?
  end

  def self.tags
    unnest = Arel::Nodes::NamedFunction.new('UNNEST', [self.arel_table[:tags]])
    query = self.select(unnest.as('tags')).publiees.distinct.order('tags')
    self.connection.query(query.to_sql).flatten
  end

  def compute_dossiers_count
    now = Time.zone.now
    if now > (self.dossiers_count_computed_at || self.created_at) + DOSSIERS_COUNT_EXPIRING
      self.update(estimated_dossiers_count: self.dossiers.visible_by_administration.count,
                dossiers_count_computed_at: now)
    end
  end

  def move_new_children_to_new_parent_coordinate(new_draft)
    children = new_draft.revision_types_de_champ
      .includes(parent: :type_de_champ)
      .where.not(parent_id: nil)
    coordinates_by_stable_id = new_draft.revision_types_de_champ
      .includes(:type_de_champ)
      .index_by(&:stable_id)

    children.each do |child|
      child.update!(parent: coordinates_by_stable_id.fetch(child.parent.stable_id))
    end
    new_draft.reload
  end

  def before_publish
    assign_attributes(closed_at: nil, unpublished_at: nil)
  end

  def after_publish(canonical_procedure = nil)
    self.canonical_procedure = canonical_procedure
    self.published_revision = draft_revision
    self.draft_revision = create_new_revision
    save!(context: :publication)
    touch(:published_at)
    published_revision.touch(:published_at)
  end

  def after_republish(canonical_procedure = nil)
    touch(:published_at)
  end

  def after_close
    touch(:closed_at)
  end

  def after_unpublish
    touch(:unpublished_at)
  end

  def update_juridique_required
    self.juridique_required ||= (cadre_juridique.present? || deliberation.attached?)
    true
  end

  def check_juridique
    if juridique_required? && (cadre_juridique.blank? && !deliberation.attached?)
      errors.add(:cadre_juridique, " : veuillez remplir le texte de loi ou la délibération")
    end
  end

  def ensure_path_exists
    if self.path.blank?
      self.path = SecureRandom.uuid
    end
  end

  def extend_conservation_for_dossiers
    return if !previous_changes.include?(:duree_conservation_dossiers_dans_ds)
    before, after = duree_conservation_dossiers_dans_ds_previous_change
    return if [before, after].any?(&:nil?)
    return if (after - before).negative?

    ResetExpiringDossiersJob.perform_later(self)
  end

  def ensure_defaut_groupe_instructeur
    if self.groupe_instructeurs.empty?
      gi = groupe_instructeurs.create(label: GroupeInstructeur::DEFAUT_LABEL)
      self.update(defaut_groupe_instructeur_id: gi.id)
    end
  end

  def stable_ids_used_by_routing_rules
    @stable_ids_used_by_routing_rules ||= groupe_instructeurs.flat_map { _1.routing_rule&.sources }.compact
  end

  # We need this to unfuck administrate + aasm
  def self.human_attribute_name(attribute, options = {})
    if attribute == :aasm_state
      'Statut'
    else
      super
    end
  end

  def pieces_jointes_list?
    pieces_jointes_list_without_conditionnal.present? || pieces_jointes_list_with_conditionnal.present?
  end

  def pieces_jointes_list_without_conditionnal
    pieces_jointes_list do |base_scope|
      base_scope.where(types_de_champ: { condition: nil })
    end
  end

  def pieces_jointes_list_with_conditionnal
    pieces_jointes_list do |base_scope|
      base_scope.where.not(types_de_champ: { condition: nil })
    end
  end

  def toggle_routing
    update!(routing_enabled: self.groupe_instructeurs.active.many?)
  end

  def lien_dpo_email?
    lien_dpo.present? && lien_dpo.match?(/@/)
  end

  def header_sections
    draft_revision.revision_types_de_champ_public.filter { _1.type_de_champ.header_section? }
  end

  def dossier_for_preview(user)
    # Try to use a preview or a dossier filled by current user
    dossiers.where(for_procedure_preview: true).or(dossiers.not_brouillon)
      .order(Arel.sql("CASE WHEN user_id = #{user.id} THEN 1 ELSE 0 END DESC,
                       CASE WHEN state = 'accepte' THEN 1 ELSE 0 END DESC,
                       CASE WHEN for_procedure_preview = True THEN 1 ELSE 0 END DESC")) \
      .first
  end

  def reset_closing_params
    update!(closing_reason: nil, closing_details: nil, replaced_by_procedure_id: nil, closing_notification_brouillon: false, closing_notification_en_cours: false)
  end

  private

  def pieces_jointes_list
    scope = yield active_revision.revision_types_de_champ_public
      .includes(:type_de_champ, revision_types_de_champ: :type_de_champ)
      .where(types_de_champ: { type_champ: ['repetition', 'piece_justificative', 'titre_identite'] })

    scope.each_with_object([]) do |rtdc, list|
      if rtdc.type_de_champ.repetition?
        rtdc.revision_types_de_champ.each do |rtdc_in_repetition|
          list << [rtdc_in_repetition.type_de_champ, rtdc.type_de_champ] if rtdc_in_repetition.type_de_champ.piece_justificative?
        end
      else
        list << [rtdc.type_de_champ]
      end
    end
  end

  def validate_auto_archive_on_in_the_future
    return if auto_archive_on.nil?
    return if auto_archive_on.future?

    errors.add(:auto_archive_on, 'doit être dans le futur')
  end
end