# frozen_string_literal: true

class MigrateSidebarSiteSettings < ActiveRecord::Migration[7.0]
  def up
    previous_enable_experimental_sidebar_hamburger =
      DB.query_single(
        "SELECT value FROM site_settings WHERE name = 'enable_experimental_sidebar_hamburger'",
      )[
        0
      ]

    previous_enable_sidebar =
      DB.query_single("SELECT value FROM site_settings WHERE name = 'enable_sidebar'")[0]

    value =
      case [previous_enable_experimental_sidebar_hamburger, previous_enable_sidebar]
      when %w[t t], ["t", nil]
        "sidebar"
      when %w[t f]
        "header dropdown"
      when %w[f t], %w[f f], ["f", nil]
        "legacy"
      when [nil, "t"], [nil, "f"], [nil, nil]
        nil
      end

    execute(<<~SQL) if value
      INSERT INTO site_settings (name, data_type, value, created_at, updated_at)
      VALUES ('navigation_menu', 8, '#{value}', now(), now())
      SQL
  end

  def down
    raise ActiveRecord::IrreversibleMigration
  end
end