class CohortImportsController

# File app/controllers/cohort_imports_controller.rb, line 107
def approve
  @cohort_import.reviewed_by_user_ids << current_user.id
  @cohort_import.reviewed_at << Time.zone.now
  @cohort_import.committing!

  @cohort_import.commit_changesets(
    @cohort_import.changesets.from_file.ready_for_review
  )

  redirect_to imports_path, flash: { info: "Import started" }
end

# File app/controllers/cohort_imports_controller.rb, line 119
def cancel
  @cohort_import.reviewed_by_user_ids << current_user.id
  @cohort_import.reviewed_at << Time.zone.now

  # some changesets were processed after first review, but the second review was cancelled
  if @cohort_import.changesets.processed.any?
    @cohort_import.update_columns(
      processed_at: Time.zone.now,
      status: :partially_processed
    )
    @cohort_import.save!
    @cohort_import.changesets.ready_for_review.find_each(&:cancelled!)

    @cohort_import.postprocess_rows!

    redirect_to imports_path, flash: { success: "Import partially completed" }
  else
    @cohort_import.update!(status: :cancelled)
    @cohort_import.changesets.each(&:cancelled!)

    redirect_to imports_path, flash: { success: "Import cancelled" }
  end
end

# File app/controllers/cohort_imports_controller.rb, line 20
def create
  @cohort_import =
    authorize CohortImport.new(
                academic_year: @academic_year,
                team: current_team,
                uploaded_by: current_user,
                **cohort_import_params
              )

  if @cohort_import.invalid?
    render :new, status: :unprocessable_content and return
  end

  @cohort_import.save!

  ProcessImportJob.perform_later(@cohort_import)
  redirect_to imports_path, flash: { success: "Import processing started" }
end

# File app/controllers/cohort_imports_controller.rb, line 99
def imported_records
  render template: "imports/imported_records",
         layout: "full",
         locals: {
           import: @cohort_import
         }
end

# File app/controllers/cohort_imports_controller.rb, line 16
def new
  @cohort_import = authorize CohortImport.new(team: current_team)
end

# File app/controllers/cohort_imports_controller.rb, line 91
def re_review
  render template: "imports/re_review",
         layout: "full",
         locals: {
           import: @cohort_import
         }
end

# File app/controllers/cohort_imports_controller.rb, line 39
def show
  if @cohort_import.rows_are_invalid? ||
       @cohort_import.changesets_are_invalid?
    @cohort_import.load_serialized_errors!(limit: error_rows_limit)
  end

  set_review_records if @cohort_import.in_review?

  if @cohort_import.in_re_review?
    redirect_to re_review_cohort_import_path(@cohort_import) and return
  end

  if @cohort_import.processed? || @cohort_import.partially_processed?
    @pagy, @patients = pagy(@cohort_import.patients.includes(:school))

    @duplicates =
      @patients.with_pending_changes_for_team(team: current_team).distinct

    @issues_text =
      @duplicates.each_with_object({}) do |patient, hash|
        changeset = @cohort_import.changesets.find_by(patient_id: patient.id)

        issue_groups =
          helpers.issue_categories_for(patient.pending_changes.keys)

        hash[patient.full_name] = if changeset&.matched_on_nhs_number
          "Matched on NHS number. #{issue_groups.to_sentence.capitalize}" +
            (issue_groups.size == 1 ? " does not match." : " do not match.")
        else
          "Possible match found. Review and confirm."
        end
      end

    @nhs_discrepancies =
      @cohort_import.changesets.includes(:patient).nhs_number_discrepancies

    @cancelled = @cohort_import.changesets.from_file.cancelled
    @skipped_school_moves =
      @cohort_import
        .changesets
        .includes(:patient, patient: :school)
        .from_file
        .skipped_school_move
  end

  render template: "imports/show",
         layout: "full",
         locals: {
           import: @cohort_import
         }
end