<?php
declare(strict_types=1);

use PHPUnit\Framework\TestCase;

/**
 * Tests for WPDO_HivePress_Detector — addon detection + caching.
 *
 * @covers WPDO_HivePress_Detector
 */
class HivePressDetectorTest extends TestCase {

	protected function setUp(): void {
		WPDO_HivePress_Detector::reset_for_tests();
		// Clear transient cache (in-memory in test bootstrap).
		unset( $GLOBALS['_wp_options']['_transient_wpdo_hivepress_detector_cache'] );
	}

	public function test_returns_empty_array_when_hivepress_core_absent(): void {
		// HivePress\Core is not declared in the test environment.
		$result = WPDO_HivePress_Detector::detect();
		$this->assertSame( array(), $result );
	}

	public function test_short_circuit_caches_negative_result(): void {
		WPDO_HivePress_Detector::detect();
		// Second call should hit memo cache; verify identical.
		$this->assertSame( array(), WPDO_HivePress_Detector::detect() );
	}

	public function test_catalog_returns_thirteen_known_addons(): void {
		$catalog = WPDO_HivePress_Detector::catalog();
		$this->assertCount( 13, $catalog );
		$this->assertArrayHasKey( 'hivepress', $catalog );
		$this->assertArrayHasKey( 'hivepress-bookings', $catalog );
		$this->assertArrayHasKey( 'hivepress-marketplace', $catalog );
		$this->assertArrayHasKey( 'hivepress-statistics', $catalog );
	}

	public function test_is_known_recognises_supported_addons(): void {
		$this->assertTrue( WPDO_HivePress_Detector::is_known( 'hivepress' ) );
		$this->assertTrue( WPDO_HivePress_Detector::is_known( 'hivepress-reviews' ) );
		$this->assertFalse( WPDO_HivePress_Detector::is_known( 'hivepress-frobnicator' ) );
		$this->assertFalse( WPDO_HivePress_Detector::is_known( '' ) );
	}

	public function test_bust_cache_clears_memo_and_transient(): void {
		WPDO_HivePress_Detector::detect();
		// Seed transient with bogus data to verify bust clears it.
		$GLOBALS['_wp_options']['_transient_wpdo_hivepress_detector_cache'] = array( 'fake' => '9.9.9' );
		WPDO_HivePress_Detector::bust_cache();
		$this->assertArrayNotHasKey( '_transient_wpdo_hivepress_detector_cache', $GLOBALS['_wp_options'] ?? array() );
	}

	public function test_detects_addon_via_active_plugin_signal(): void {
		// HivePress addons publish no class/const — they register via the
		// `hivepress/v1/extensions` filter and are detected purely by being
		// active plugins. Seed active_plugins with core + one addon and assert
		// both are detected even though no HivePress classes are declared.
		$GLOBALS['_wp_options']['active_plugins'] = array(
			'hivepress/hivepress.php',
			'hivepress-messages/hivepress-messages.php',
		);
		WPDO_HivePress_Detector::reset_for_tests();
		unset( $GLOBALS['_wp_options']['_transient_wpdo_hivepress_detector_cache'] );

		$result = WPDO_HivePress_Detector::detect();

		$this->assertArrayHasKey( 'hivepress', $result, 'core detected via active plugin' );
		$this->assertArrayHasKey( 'hivepress-messages', $result, 'addon detected via active plugin' );
		$this->assertArrayNotHasKey( 'hivepress-reviews', $result, 'inactive addon not detected' );

		// Cleanup so other tests observe no active plugins. bust_cache() clears
		// BOTH the memo and the seeded transient (reset_for_tests clears only
		// the memo) — otherwise the cached detection leaks into later suites.
		unset( $GLOBALS['_wp_options']['active_plugins'] );
		WPDO_HivePress_Detector::bust_cache();
	}
}