require 'test_helper'

class StoreTest < ActiveSupport::TestCase
  test 'store fs - get_location' do
    sha = 'ed7002b439e9ac845f22357d822bac1444730fbdb6016d3ec9432297b9ec9f73'
    location = Store::Provider::File.get_location(sha)
    assert_equal(Rails.root.join('storage', 'fs', 'ed70', '02b4', '39e9a', 'c845f', '22357d8', '22bac14', '44730fbdb6016d3ec9432297b9ec9f73').to_s, location)
  end

  test 'store fs - empty dir remove' do
    sha = 'ed7002b439e9ac845f22357d822bac1444730fbdb6016d3ec9432297b9ec9f73'
    content = 'content'
    location = Store::Provider::File.get_location(sha)
    result = Store::Provider::File.add(content, sha)
    assert(result)
    exists = File.exist?(location)
    assert(exists)
    result = Store::Provider::File.delete(sha)
    exists = File.exist?(location)
    assert(!exists)
    exists = File.exist?(Rails.root.join('storage', 'fs', 'ed70', '02b4'))
    assert(!exists)
    exists = File.exist?(Rails.root.join('storage', 'fs', 'ed70'))
    assert(!exists)
    exists = File.exist?(Rails.root.join('storage', 'fs'))
    assert(exists)
    exists = File.exist?(Rails.root.join('storage'))
    assert(exists)
  end

  test 'store attachment and move it between backends' do
    files = [
      {
        data: 'hello world',
        filename: 'test.txt',
        o_id: 1,
      },
      {
        data: 'hello world äöüß',
        filename: 'testäöüß.txt',
        o_id: 2,
      },
      {
        data: File.binread(Rails.root.join('test', 'data', 'pdf', 'test1.pdf')),
        filename: 'test.pdf',
        o_id: 3,
      },
      {
        data: File.binread(Rails.root.join('test', 'data', 'pdf', 'test1.pdf')),
        filename: 'test-again.pdf',
        o_id: 4,
      },
    ]

    files.each do |file|
      sha = Digest::SHA256.hexdigest(file[:data])

      # add attachments
      store = Store.add(
        object: 'Test',
        o_id: file[:o_id],
        data: file[:data],
        filename: file[:filename],
        preferences: {},
        created_by_id: 1,
      )
      assert store

      # get list of attachments
      attachments = Store.list(
        object: 'Test',
        o_id: file[:o_id],
      )
      assert attachments

      # sha check
      sha_new = Digest::SHA256.hexdigest(attachments[0].content)
      assert_equal(sha, sha_new,  "check file #{file[:filename]}")

      # filename check
      assert_equal(file[:filename], attachments[0].filename)

      # provider check
      assert_equal('DB', attachments[0].provider)
    end

    success = Store::File.verify
    assert success, 'verify ok'

    Store::File.move('DB', 'File')

    files.each do |file|
      sha = Digest::SHA256.hexdigest(file[:data])

      # get list of attachments
      attachments = Store.list(
        object: 'Test',
        o_id: file[:o_id],
      )
      assert attachments

      # sha check
      sha_new = Digest::SHA256.hexdigest(attachments[0].content)
      assert_equal(sha, sha_new,  "check file #{file[:filename]}")

      # filename check
      assert_equal(file[:filename], attachments[0].filename)

      # provider check
      assert_equal('File', attachments[0].provider)
    end

    success = Store::File.verify
    assert success, 'verify ok'

    Store::File.move('File', 'DB')

    files.each do |file|
      sha = Digest::SHA256.hexdigest(file[:data])

      # get list of attachments
      attachments = Store.list(
        object: 'Test',
        o_id: file[:o_id],
      )
      assert(attachments)
      assert_equal(attachments.count, 1)

      # sha check
      sha_new = Digest::SHA256.hexdigest(attachments[0].content)
      assert_equal(sha, sha_new,  "check file #{file[:filename]}")

      # filename check
      assert_equal(file[:filename], attachments[0].filename)

      # provider check
      assert_equal('DB', attachments[0].provider)

      # delete attachments
      success = Store.remove(
        object: 'Test',
        o_id: file[:o_id],
      )
      assert(success)

      # check attachments again
      attachments = Store.list(
        object: 'Test',
        o_id: file[:o_id],
      )
      assert_not(attachments[0])
    end
  end
end