require 'rails_helper'

RSpec.describe VersionRecord, type: :model do
  let!(:tag) { create(:tag, primary_name: 'version_record_tag') }
  let!(:nico_tag) { create(:external_tag, name: 'version_record_tag') }

  it 'makes TagVersion read only after create' do
    version = TagVersion.create!(
      tag: tag,
      version_no: 1,
      event_type: 'create',
      name: primary_tag_name_for(tag, 'ja').name,
      category: tag.category,
      aliases: '',
      names: { ja: { name: primary_tag_name_for(tag, 'ja').name,
                     script_code: 'Jpan', auto_generated: false, aliases: [] } },
      parent_tag_ids: '',
      created_at: Time.current,
      created_by_user: nil)

    expect {
      version.update!(name: 'changed')
    }.to raise_error(ActiveRecord::ReadOnlyRecord)
  end

  it 'prevents TagVersion destroy' do
    version = TagVersion.create!(
      tag: tag,
      version_no: 1,
      event_type: 'create',
      name: primary_tag_name_for(tag, 'ja').name,
      category: tag.category,
      aliases: '',
      names: { ja: { name: primary_tag_name_for(tag, 'ja').name,
                     script_code: 'Jpan', auto_generated: false, aliases: [] } },
      parent_tag_ids: '',
      created_at: Time.current,
      created_by_user: nil)

    expect {
      version.destroy!
    }.to raise_error(ActiveRecord::ReadOnlyRecord)
  end

  it 'makes NicoTagVersion read only after create' do
    version = NicoTagVersion.create!(
      external_tag: nico_tag,
      version_no: 1,
      event_type: 'create',
      linked_tag_ids: '',
      created_at: Time.current,
      created_by_user: nil
    )

    expect {
      version.update!(linked_tag_ids: '123')
    }.to raise_error(ActiveRecord::ReadOnlyRecord)
  end


  it 'rejects discard and restore versions for external tags' do
    [:discard, :restore].each do |event_type|
      version = NicoTagVersion.new(
          external_tag: nico_tag, version_no: 1, event_type:,
          linked_tag_ids: '', created_at: Time.current)

      expect(version).not_to be_valid
      expect(version.errors[:event_type]).not_to be_empty
    end
  end

  it 'prevents NicoTagVersion destroy' do
    version = NicoTagVersion.create!(
      external_tag: nico_tag,
      version_no: 1,
      event_type: 'create',
      linked_tag_ids: '',
      created_at: Time.current,
      created_by_user: nil
    )

    expect {
      version.destroy!
    }.to raise_error(ActiveRecord::ReadOnlyRecord)
  end
end