<?php
/**
 * VC_Structure unit tests.
 */

function vc_fixture_structure() {
	return array(
		array(
			'name'    => 'Europe',
			'slug'    => 'europe',
			'term_id' => 0,
			'cities'  => array(
				array( 'id' => '737', 'name' => 'Amsterdam', 'slug' => 'amsterdam' ),
				array( 'id' => '479', 'name' => 'Paris', 'slug' => 'paris' ),
			),
		),
		array(
			'name'    => 'Americas',
			'slug'    => 'americas',
			'term_id' => 0,
			'cities'  => array(
				array( 'id' => '678', 'name' => 'Boston', 'slug' => 'boston' ),
			),
		),
	);
}

function vc_fixture_map() {
	return array( '737' => 'Amsterdam', '479' => 'Paris', '678' => 'Boston', '22' => 'Victoria' );
}

function test_default_regions() {
	$regions = VC_Structure::default_regions();
	vc_assert_same(
		array( 'uk', 'europe', 'asia', 'middle-east-and-africa', 'americas', 'australasia' ),
		array_column( $regions, 'slug' )
	);
	vc_assert_same( 'Middle East and Africa', $regions[3]['name'] );
	vc_assert_same( array(), $regions[0]['cities'] );
	vc_assert_same( 0, $regions[0]['term_id'] );
}

function test_normalize_fills_slugs() {
	$s = VC_Structure::normalize(
		array(
			array(
				'name'    => ' Middle East and Africa ',
				'slug'    => '',
				'term_id' => '7',
				'cities'  => array(
					array( 'id' => '', 'name' => 'Ghost', 'slug' => 'ghost' ),
					array( 'id' => '828', 'name' => 'Dubai', 'slug' => '' ),
				),
			),
		)
	);
	vc_assert_same( 'Middle East and Africa', $s[0]['name'] );
	vc_assert_same( 'middle-east-and-africa', $s[0]['slug'] );
	vc_assert_same( 7, $s[0]['term_id'] );
	vc_assert_same( array( array( 'id' => '828', 'name' => 'Dubai', 'slug' => 'dubai' ) ), $s[0]['cities'] );
}

function test_validate_ok() {
	vc_assert_same( array(), VC_Structure::validate( vc_fixture_structure(), vc_fixture_map(), array() ) );
}

function test_validate_unknown_city() {
	$s                           = vc_fixture_structure();
	$s[1]['cities'][0]['id']     = '999';
	vc_assert_contains( 'City ID 999 is not a Viator destination.', VC_Structure::validate( $s, vc_fixture_map(), array() ) );
}

function test_validate_duplicate_city() {
	$s                 = vc_fixture_structure();
	$s[1]['cities'][] = array( 'id' => '737', 'name' => 'Amsterdam', 'slug' => 'amsterdam-2' );
	vc_assert_contains( 'Amsterdam is listed more than once.', VC_Structure::validate( $s, vc_fixture_map(), array() ) );
}

function test_validate_duplicate_slug() {
	$s            = vc_fixture_structure();
	$s[1]['slug'] = 'paris';
	vc_assert_contains( 'Slug "paris" is used more than once.', VC_Structure::validate( $s, vc_fixture_map(), array() ) );
}

function test_validate_bad_slug() {
	$s                         = vc_fixture_structure();
	$s[0]['cities'][0]['slug'] = 'amsterdam!';
	$s[1]['cities'][0]['slug'] = 'New York';
	$errors                    = VC_Structure::validate( $s, vc_fixture_map(), array() );
	vc_assert_contains( 'Slug "amsterdam!" is invalid: use only a-z, 0-9 and -.', $errors );
	vc_assert_contains( 'Slug "New York" is invalid: use only a-z, 0-9 and -.', $errors );
}

function test_validate_reserved() {
	$s                         = vc_fixture_structure();
	$s[0]['cities'][0]['slug'] = 'contact';
	vc_assert_contains( 'Slug "contact" is reserved.', VC_Structure::validate( $s, vc_fixture_map(), array() ) );
}

function test_validate_taken_slug() {
	$s                 = vc_fixture_structure();
	$s[1]['cities'][] = array( 'id' => '22', 'name' => 'Victoria', 'slug' => 'victoria' );
	$errors            = VC_Structure::validate( $s, vc_fixture_map(), array( 'victoria' => 'destination "Victoria"' ) );
	vc_assert_contains( 'Slug "victoria" is already used by destination "Victoria".', $errors );
}

function test_validate_empty_region() {
	$s            = vc_fixture_structure();
	$s[0]['name'] = '';
	vc_assert_contains( 'Region 1 has no name.', VC_Structure::validate( $s, vc_fixture_map(), array() ) );
}

function test_canonical_city_primary() {
	vc_assert_same( 'paris', VC_Structure::canonical_city( vc_fixture_structure(), array( '479', '737' ), '479' ) );
}

function test_canonical_city_fallback_order() {
	vc_assert_same( 'amsterdam', VC_Structure::canonical_city( vc_fixture_structure(), array( '678', '479', '737' ), '5555' ) );
}

function test_canonical_city_none() {
	vc_assert_same( '', VC_Structure::canonical_city( vc_fixture_structure(), array( '5555' ), '' ) );
}

function test_primary_destination_id() {
	vc_assert_same( '2', VC_Structure::primary_destination_id( array( array( 'ref' => '1' ), array( 'ref' => '2', 'primary' => true ) ) ) );
	vc_assert_same( '', VC_Structure::primary_destination_id( array() ) );
}

function test_rewrite_rules() {
	vc_assert_same(
		array(
			'^europe/?$'              => 'index.php?viator_destination=europe',
			'^americas/?$'            => 'index.php?viator_destination=americas',
			'^amsterdam/?$'           => 'index.php?viator_destination=amsterdam',
			'^amsterdam/([^/]+)/?$'   => 'index.php?viator_tour=$matches[1]',
			'^paris/?$'               => 'index.php?viator_destination=paris',
			'^paris/([^/]+)/?$'       => 'index.php?viator_tour=$matches[1]',
			'^boston/?$'              => 'index.php?viator_destination=boston',
			'^boston/([^/]+)/?$'      => 'index.php?viator_tour=$matches[1]',
		),
		VC_Structure::rewrite_rules( vc_fixture_structure() )
	);
}

function test_rewrite_rules_empty_region() {
	$rules = VC_Structure::rewrite_rules( array( array( 'name' => 'Europe', 'slug' => 'europe', 'term_id' => 0, 'cities' => array() ) ) );
	vc_assert_same( array( '^europe/?$' => 'index.php?viator_destination=europe' ), $rules );
}