<?php
declare(strict_types=1);

use PHPUnit\Framework\TestCase;

/**
 * Which values the reconciler has to move.
 *
 * Under legacy routing a key shared by several post groups was read and
 * written through the last group registered. Once lookups follow the post
 * type, each scoped group must first receive the values its posts stored in
 * that legacy owner's table.
 */
class PostGroupReconcilerPlanTest extends TestCase {

	protected function setUp(): void {
		TMDO_Entity_Registry::init();
		TMDO_Entity_Registry::register_adapter( 'post', $this->createMock( TMDO_Entity_Adapter_Interface::class ) );
	}

	public function test_plan_lists_shared_keys_whose_legacy_owner_is_another_group(): void {
		TMDO_Entity_Registry::register_group( 'post', 'listing', array( array( 'key' => 'shared', 'type' => 'text' ), array( 'key' => 'price', 'type' => 'decimal' ) ), array( 'post_types' => array( 'hp_listing' ) ) );
		TMDO_Entity_Registry::register_group( 'post', 'vendor', array( array( 'key' => 'shared', 'type' => 'text' ) ), array( 'post_types' => array( 'hp_vendor' ) ) );

		$this->assertSame(
			array(
				array(
					'target'     => 'listing',
					'source'     => 'vendor',
					'key'        => 'shared',
					'post_types' => array( 'hp_listing' ),
				),
			),
			TMDO_Post_Group_Reconciler::plan()
		);
	}

	public function test_unscoped_groups_and_unshared_keys_need_no_move(): void {
		TMDO_Entity_Registry::register_group( 'post', 'site', array( array( 'key' => '_edit_lock', 'type' => 'text' ) ) );
		TMDO_Entity_Registry::register_group( 'post', 'listing', array( array( 'key' => 'price', 'type' => 'decimal' ) ), array( 'post_types' => array( 'hp_listing' ) ) );

		$this->assertSame( array(), TMDO_Post_Group_Reconciler::plan() );
	}

	public function test_registry_exposes_group_post_types(): void {
		TMDO_Entity_Registry::register_group( 'post', 'listing', array( array( 'key' => 'price', 'type' => 'decimal' ) ), array( 'post_types' => array( 'hp_listing' ) ) );
		TMDO_Entity_Registry::register_group( 'post', 'site', array( array( 'key' => '_edit_lock', 'type' => 'text' ) ) );

		$this->assertSame( array( 'hp_listing' ), TMDO_Entity_Registry::get_group_post_types( 'post', 'listing' ) );
		$this->assertSame( array(), TMDO_Entity_Registry::get_group_post_types( 'post', 'site' ) );

		TMDO_Entity_Registry::init();
		$this->assertSame( array(), TMDO_Entity_Registry::get_group_post_types( 'post', 'listing' ) );
	}
}