<?php
/**
 * Admin notes tests
 *
 * @package WooCommerce\Admin\Tests\Notes
 */

use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes;
use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Note;

/**
 * Class WC_Tests_Notes_Data_Store
 */
class WC_Tests_Notes_Data_Store extends WC_Unit_Test_Case {

	/**
	 * Tests that the read data store method works as expected.
	 */
	public function test_read() {
		$note = new WC_Admin_Note();
		$note->set_title( 'PHPUNIT_TEST_NOTE' );
		$note->set_content( 'PHPUNIT_TEST_NOTE_CONTENT' );
		$note->set_type( WC_Admin_Note::E_WC_ADMIN_NOTE_INFORMATIONAL );
		$note->set_name( 'PHPUNIT_TEST_NOTE_NAME' );
		$note->set_source( 'PHPUNIT_TEST' );
		$note->set_is_snoozable( false );
		$note->set_layout( 'plain' );
		$note->set_image( '' );
		$note->add_action(
			'PHPUNIT_TEST_ACTION_SLUG',
			'PHPUNIT_TEST_ACTION_LABEL',
			'?s=PHPUNIT_TEST_ACTION_URL'
		);
		$note->set_is_deleted( false );
		$note->save();

		// Load in a new instance of the note.
		$read_note = new WC_Admin_Note();
		$read_note->set_id( $note->get_id() );
		WC_Data_Store::load( 'admin-note' )->read( $read_note );

		$this->assertEquals( $note->get_title(), $read_note->get_title() );
		$this->assertEquals( $note->get_content(), $read_note->get_content() );
		$this->assertEquals( $note->get_type(), $read_note->get_type() );
		$this->assertEquals( $note->get_name(), $read_note->get_name() );
		$this->assertEquals( $note->get_source(), $read_note->get_source() );
		$this->assertEquals( $note->get_is_snoozable(), '0' !== $read_note->get_is_snoozable() );
		$this->assertEquals( $note->get_layout(), $read_note->get_layout() );
		$this->assertEquals( $note->get_image(), $read_note->get_image() );
		$this->assertEquals( $note->get_actions(), $read_note->get_actions() );
		$this->assertEquals( $note->get_is_deleted(), $read_note->get_is_deleted() );
	}

	/**
	 * Tests that the read data store method does not fail for invalid content data fields.
	 */
	public function test_read_with_invalid_content_data() {
		global $wpdb;
		$data_store = WC_Data_Store::load( 'admin-note' );

		$note = new WC_Admin_Note();
		$note->set_title( 'PHPUNIT_TEST_NOTE' );
		$note->set_content( 'PHPUNIT_TEST_NOTE_CONTENT' );
		$note->save();

		// Make sure that empty content_data does not break the note.
		$wpdb->update(
			$wpdb->prefix . 'wc_admin_notes',
			array(
				'content_data' => '',
			),
			array( 'note_id' => $note->get_id() )
		);
		$data_store->read( $note );

		$this->assertEquals( 'PHPUNIT_TEST_NOTE', $note->get_title() );
		$this->assertEquals( 'PHPUNIT_TEST_NOTE_CONTENT', $note->get_content() );

		// We also want to make sure an empty array does not break the content.
		$wpdb->update(
			$wpdb->prefix . 'wc_admin_notes',
			array(
				'content_data' => '[]',
			),
			array( 'note_id' => $note->get_id() )
		);
		$data_store->read( $note );

		$this->assertEquals( 'PHPUNIT_TEST_NOTE', $note->get_title() );
		$this->assertEquals( 'PHPUNIT_TEST_NOTE_CONTENT', $note->get_content() );
	}

	/**
	 * Tests that the delete_notes_with_name method works when a single name is
	 * passed in.
	 */
	public function test_delete_notes_with_single_name() {
		$note_name_to_delete = 'PHPUNIT_TEST_NOTE_TO_DELETE_' . gmdate( 'U' );
		$note_name_to_keep   = 'PHPUNIT_TEST_NOTE_TO_KEEP_' . gmdate( 'U' );
		$note_names          = array(
			$note_name_to_delete,
			$note_name_to_keep,
		);

		$data_store = WC_Data_Store::load( 'admin-note' );

		// Create notes.
		foreach ( $note_names as $note_name ) {
			for ( $i = 0; $i < 3; $i++ ) {
				$note = new WC_Admin_Note();
				$note->set_name( $note_name );
				$note->set_title( 'PHPUNIT_TEST_NOTE' );
				$note->set_content( 'PHPUNIT_TEST_NOTE_CONTENT' );
				$note->save();
			}
		}

		// Make sure that we know that the notes were added properly.
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_delete ) )
		);
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_keep ) )
		);

		// Delete the notes.
		WC_Admin_Notes::delete_notes_with_name( $note_name_to_delete );

		// Make sure the notes were deleted.
		$this->assertEquals(
			0,
			count( $data_store->get_notes_with_name( $note_name_to_delete ) )
		);
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_keep ) )
		);
	}

	/**
	 * Tests that the delete_notes_with_name method works when multiple names
	 * are passed in.
	 */
	public function test_delete_notes_with_multiple_names() {
		$note_name_to_delete_1 = 'PHPUNIT_TEST_NOTE_TO_DELETE_1_' . gmdate( 'U' );
		$note_name_to_delete_2 = 'PHPUNIT_TEST_NOTE_TO_DELETE_2_' . gmdate( 'U' );
		$note_name_to_keep     = 'PHPUNIT_TEST_NOTE_TO_KEEP_' . gmdate( 'U' );
		$note_names            = array(
			$note_name_to_delete_1,
			$note_name_to_delete_2,
			$note_name_to_keep,
		);

		$data_store = WC_Data_Store::load( 'admin-note' );

		// Create notes.
		foreach ( $note_names as $note_name ) {
			for ( $i = 0; $i < 3; $i++ ) {
				$note = new WC_Admin_Note();
				$note->set_name( $note_name );
				$note->set_title( 'PHPUNIT_TEST_NOTE' );
				$note->set_content( 'PHPUNIT_TEST_NOTE_CONTENT' );
				$note->save();
			}
		}

		// Make sure that we know that the notes were added properly.
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_delete_1 ) )
		);
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_delete_2 ) )
		);
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_keep ) )
		);

		// Delete the notes.
		WC_Admin_Notes::delete_notes_with_name(
			array(
				$note_name_to_delete_1,
				$note_name_to_delete_2,
			)
		);

		// Make sure the notes were deleted.
		$this->assertEquals(
			0,
			count( $data_store->get_notes_with_name( $note_name_to_delete_1 ) )
		);
		$this->assertEquals(
			0,
			count( $data_store->get_notes_with_name( $note_name_to_delete_2 ) )
		);
		$this->assertEquals(
			3,
			count( $data_store->get_notes_with_name( $note_name_to_keep ) )
		);
	}

	/**
	 * Test that fatal errors aren't thrown when the Notes datastore read() throws an exception.
	 */
	public function test_read_throws_exception() {
		// Create a test note.
		$note = new WC_Admin_Note();
		$note->set_name( 'PHPUNIT_TEST_NOTE_NAME' );
		$note->set_title( 'PHPUNIT_TEST_NOTE_TITLE' );
		$note->set_content( 'PHPUNIT_TEST_NOTE_CONTENT' );
		$note->save();

		$note_id = $note->get_id();

		// Sub in a mock datastore that throws an error on read().
		$mock_datastore = $this->createMock( \Automattic\WooCommerce\Admin\Notes\DataStore::class );
		$mock_datastore
			->method( 'read' )
			->will( $this->throwException( new \Exception() ) );

		// Suppress deliberately caused errors.
		$log_file = ini_set( 'error_log', '/dev/null' );

		$filter_datastore = function() use ( $mock_datastore ) {
			return $mock_datastore;
		};

		add_filter( 'woocommerce_admin-note_data_store', $filter_datastore );

		// Attempt to retrieve the test note.
		$note = WC_Admin_Notes::get_note( $note_id );

		remove_filter( 'woocommerce_admin-note_data_store', $filter_datastore );

		ini_set( 'error_log', $log_file );

		$this->assertFalse( $note );
		$this->assertEquals( 1, did_action( 'woocommerce_caught_exception' ) );
	}
}