<?php
declare(strict_types=1);

use PHPUnit\Framework\TestCase;

require_once dirname( __DIR__ ) . '/bench/class-tmdo-bench-seeder.php';

/**
 * Unit test: TMDO_Bench_Seeder guards and deterministic generators.
 *
 * The seeder drops and rebuilds tables, so the database-name guard is the
 * only thing standing between it and a production database.
 */
class BenchSeederTest extends TestCase {

	/**
	 * @dataProvider rejected_db_names
	 */
	public function test_rejects_non_bench_databases( string $name ): void {
		$this->expectException( InvalidArgumentException::class );
		TMDO_Bench_Seeder::assert_bench_db( $name );
	}

	public static function rejected_db_names(): array {
		return array(
			'production site'  => array( 'wp_2meet_pro_dev21' ),
			'integration db'   => array( 'wp_wpdo_test' ),
			'bench not suffix' => array( 'wp_bench_prod' ),
			'empty'            => array( '' ),
			'injection'        => array( 'x_bench`; DROP DATABASE y; -- _bench' ),
		);
	}

	public function test_accepts_bench_database(): void {
		TMDO_Bench_Seeder::assert_bench_db( 'wp_wpdo_bench' );
		$this->addToAssertionCount( 1 );
	}

	public function test_count_bounds(): void {
		TMDO_Bench_Seeder::assert_count( 'listings', TMDO_Bench_Seeder::MAX_ROWS );
		$this->addToAssertionCount( 1 );

		foreach ( array( 0, -5, TMDO_Bench_Seeder::MAX_ROWS + 1 ) as $bad ) {
			try {
				TMDO_Bench_Seeder::assert_count( 'listings', $bad );
				$this->fail( "Accepted out-of-range count {$bad}" );
			} catch ( InvalidArgumentException $e ) {
				$this->addToAssertionCount( 1 );
			}
		}
	}

	public function test_generators_are_deterministic_per_seed(): void {
		$a = new TMDO_Bench_Seeder( null, 'wp_itest_', 100, 1000, 42 );
		$b = new TMDO_Bench_Seeder( null, 'wp_itest_', 100, 1000, 42 );
		$c = new TMDO_Bench_Seeder( null, 'wp_itest_', 100, 1000, 7 );

		$this->assertSame( $a->listing_meta( 123, 5 ), $b->listing_meta( 123, 5 ) );
		$this->assertSame( $a->vendor_meta( 9 ), $b->vendor_meta( 9 ) );
		$this->assertNotSame( $a->listing_meta( 123, 5 ), $c->listing_meta( 123, 5 ) );
	}

	public function test_listing_distribution_matches_spec(): void {
		$seeder   = new TMDO_Bench_Seeder( null, 'wp_itest_', 1000, 10000 );
		$statuses = array();
		$featured = 0;

		for ( $i = 1; $i <= 10000; $i++ ) {
			$vendor = $seeder->listing_vendor( $i );
			$this->assertGreaterThanOrEqual( 1, $vendor );
			$this->assertLessThanOrEqual( 1000, $vendor );

			$meta = $seeder->listing_meta( $i, $vendor );
			$statuses[ $meta['hp_status'] ] = ( $statuses[ $meta['hp_status'] ] ?? 0 ) + 1;
			$featured                      += $meta['hp_featured'];
			$this->assertSame( (bool) $meta['hp_featured'], isset( $meta['hp_featured_time'] ) );
		}

		ksort( $statuses );
		$this->assertSame( array( 'draft', 'pending', 'private', 'publish' ), array_keys( $statuses ) );
		$this->assertEqualsWithDelta( 9000, $statuses['publish'], 300 );
		$this->assertEqualsWithDelta( 500, $featured, 100 );
	}
}