<?php
declare(strict_types=1);

use PHPUnit\Framework\TestCase;

/**
 * Tests for WPDO_HivePress_Cron_Optimizer.
 *
 * @covers WPDO_HivePress_Cron_Optimizer
 */
class HivePressCronOptimizerTest extends TestCase {

	use WpdbMockTrait;

	protected function setUp(): void {
		$this->install_wpdb_mock();
		WPDO_HivePress_Cron_Optimizer::reset_for_tests();
		$GLOBALS['_wp_options'][ WPDO_HivePress_Cron_Optimizer::OPTION_ENABLED ] = 0;
	}

	public function test_disabled_by_default(): void {
		$this->assertFalse( WPDO_HivePress_Cron_Optimizer::is_enabled() );
	}

	public function test_enabled_when_option_set(): void {
		$GLOBALS['_wp_options'][ WPDO_HivePress_Cron_Optimizer::OPTION_ENABLED ] = 1;
		$this->assertTrue( WPDO_HivePress_Cron_Optimizer::is_enabled() );
	}

	public function test_module_constant(): void {
		$this->assertSame( 'hot_hp_listing', WPDO_HivePress_Cron_Optimizer::MODULE );
	}

	public function test_register_is_idempotent(): void {
		$GLOBALS['_wp_options'][ WPDO_HivePress_Cron_Optimizer::OPTION_ENABLED ] = 1;
		WPDO_HivePress_Cron_Optimizer::register();
		WPDO_HivePress_Cron_Optimizer::register(); // No throw = pass.
		$this->assertTrue( true );
	}

	public function test_maybe_run_returns_zero_when_module_inactive(): void {
		// Feature_Flags::is_query_active('hot_hp_listing') is false in test env.
		$count = WPDO_HivePress_Cron_Optimizer::maybe_run();
		$this->assertSame( 0, $count );
	}
}