<?php

namespace sammo;

use PHPUnit\Framework\TestCase;

final class GeneralPictureSchemaTest extends TestCase
{
    /**
     * @param list<string> $arguments
     * @return array{int, string, string}
     */
    private function runMigrationCommand(array $arguments): array
    {
        $command = array_merge(
            [PHP_BINARY, __DIR__ . '/../scripts/migrate-general-picture.php'],
            $arguments,
        );
        $pipes = [];
        $process = proc_open(
            $command,
            [1 => ['pipe', 'w'], 2 => ['pipe', 'w']],
            $pipes,
        );
        self::assertIsResource($process);
        $stdout = stream_get_contents($pipes[1]);
        $stderr = stream_get_contents($pipes[2]);
        fclose($pipes[1]);
        fclose($pipes[2]);
        $exitCode = proc_close($process);
        self::assertIsString($stdout);
        self::assertIsString($stderr);
        return [$exitCode, $stdout, $stderr];
    }

    public function testGameAndAccountSchemasAcceptRemoteUserIconPaths(): void
    {
        $gameSchema = file_get_contents(__DIR__ . '/../hwe/sql/schema.sql');
        $accountSchema = file_get_contents(__DIR__ . '/../f_install/sql/common_schema.sql');
        self::assertIsString($gameSchema);
        self::assertIsString($accountSchema);
        self::assertMatchesRegularExpression('/`picture`\s+VARCHAR\(64\)\s+NOT NULL/i', $gameSchema);
        self::assertMatchesRegularExpression('/`PICTURE`\s+VARCHAR\(64\)/i', $accountSchema);
        foreach ([12, 11, 10, 9, 8, 7, 6, 5] as $level) {
            self::assertMatchesRegularExpression(
                sprintf('/`l%dpic`\s+VARCHAR\(64\)/i', $level),
                $gameSchema,
            );
            self::assertMatchesRegularExpression(
                sprintf('/`l%dimgsvr`\s+INT\(1\)\s+NULL\s+DEFAULT\s+NULL/i', $level),
                $gameSchema,
            );
        }

        $longestRemotePath = 'users/core/' . str_repeat('a', 32) . '.jpeg?=20260807';
        self::assertGreaterThan(40, strlen($longestRemotePath));
        self::assertLessThanOrEqual(64, strlen($longestRemotePath));
    }

    public function testExistingGameMigrationWidensAllConstrainedPictureColumns(): void
    {
        $migration = file_get_contents(__DIR__ . '/../scripts/migrate-general-picture.php');
        self::assertIsString($migration);
        self::assertStringContainsString(
            'ALTER TABLE general MODIFY picture VARCHAR(64) NOT NULL',
            $migration,
        );
        self::assertStringContainsString('"l{$level}pic"', $migration);
        self::assertStringContainsString('"l{$level}imgsvr"', $migration);
        self::assertStringContainsString("ALTER TABLE emperior", $migration);
        self::assertStringContainsString("ADD COLUMN `\$imgsvrField` INT(1) NULL DEFAULT NULL", $migration);
        self::assertStringContainsString('HAVING COUNT(*) = 1', $migration);
        self::assertStringContainsString('ambiguous historical values remain NULL', $migration);
        self::assertStringContainsString("? 'picture_capacity'", $migration);
        self::assertStringContainsString("['help', 'server:', 'status', 'apply', 'backup:', 'server-closed']", $migration);
        self::assertStringContainsString("require \$serverDirectory . '/lib.php'", $migration);
        self::assertStringContainsString("require \$serverDirectory . '/func.php'", $migration);
        self::assertStringNotContainsString("'/hwe/lib.php'", $migration);
        self::assertStringNotContainsString("'/hwe/func.php'", $migration);
        self::assertStringContainsString('SELECT GET_LOCK(%s, 0)', $migration);
        self::assertStringContainsString('SELECT RELEASE_LOCK(%s)', $migration);
        self::assertStringContainsString('if (!$serverClosed && !\\sammo\\tryLock())', $migration);
        self::assertStringContainsString('if ($acquiredGameLock)', $migration);
        self::assertStringContainsString('--server-closed skips the GAME lock', $migration);
        self::assertStringNotContainsString('UPDATE general', $migration);
        self::assertStringContainsString("\$state === 'ready'", $migration);
    }

    public function testUnificationPreservesChiefImageServerAndCentennialMatchingUsesIt(): void
    {
        $gameRule = file_get_contents(__DIR__ . '/../hwe/func_gamerule.php');
        $candidateSql = file_get_contents(__DIR__ . '/../src/centennial_allstar_candidates.sql');
        self::assertIsString($gameRule);
        self::assertIsString($candidateSql);
        self::assertStringContainsString('name,picture,imgsvr,belong,officer_level', $gameRule);
        foreach ([12, 11, 10, 9, 8, 7, 6, 5] as $level) {
            self::assertStringContainsString(
                "'l{$level}imgsvr' => \$chiefs[{$level}]['imgsvr']",
                $gameRule,
            );
            self::assertStringContainsString("e.l{$level}imgsvr", $candidateSql);
        }
        self::assertStringContainsString('c.imgsvr IS NULL', $candidateSql);
        self::assertStringContainsString("JSON_VALUE(og.data, '$.imgsvr')", $candidateSql);
    }

    public function testMigrationRequiresAnExplicitSafeServerPrefixBeforeLoadingConfiguration(): void
    {
        [$helpExit, $helpOutput, $helpError] = $this->runMigrationCommand(['--help']);
        self::assertSame(0, $helpExit);
        self::assertStringContainsString('--server=PREFIX', $helpOutput);
        self::assertStringContainsString('--server-closed', $helpOutput);
        self::assertSame('', $helpError);

        [$missingExit, $missingOutput, $missingError] = $this->runMigrationCommand(['--status']);
        self::assertSame(2, $missingExit);
        self::assertSame('', $missingOutput);
        self::assertStringContainsString('--server must name one game-server directory', $missingError);

        [$traversalExit, $traversalOutput, $traversalError] = $this->runMigrationCommand([
            '--server=../hwe',
            '--status',
        ]);
        self::assertSame(2, $traversalExit);
        self::assertSame('', $traversalOutput);
        self::assertStringContainsString('--server must name one game-server directory', $traversalError);
    }

    public function testScriptsDirectoryIsDeniedOverApache(): void
    {
        $accessRules = file_get_contents(__DIR__ . '/../scripts/.htaccess');
        self::assertIsString($accessRules);
        self::assertStringContainsString('Require all denied', $accessRules);
        self::assertStringContainsString('Deny from all', $accessRules);
    }
}