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<?php

namespace Spatie\DbDumper;

use Spatie\DbDumper\Compressors\Compressor;
use Spatie\DbDumper\Exceptions\CannotSetParameter;
use Spatie\DbDumper\Exceptions\DumpFailed;
use Symfony\Component\Process\Process;

abstract class DbDumper
{
    protected string $databaseUrl = '';

protected string $dbName = '';

protected string $userName = '';

protected string $password = '';

protected string $host = 'localhost';

protected int $port = 5432;

protected string $socket = '';

protected int $timeout = 0;

protected string $dumpBinaryPath = '';

protected array $includeTables = [];

protected array $excludeTables = [];

protected array $extraOptions = [];

protected array $extraOptionsAfterDbName = [];

protected ?object $compressor = null;

public static function create(): static
    {
        return new static();
    }

public function getDbName(): string
    {
        return $this->dbName;
    }

public function setDbName(string $dbName): self
    {
        $this->dbName = $dbName;

return $this;
    }

public function getDatabaseUrl(): string
    {
        return $this->databaseUrl;
    }

public function setDatabaseUrl(string $databaseUrl): self
    {
        $this->databaseUrl = $databaseUrl;

$this->configureFromDatabaseUrl();

return $this;
    }

public function setUserName(string $userName): self
    {
        $this->userName = $userName;

return $this;
    }

public function setPassword(string $password): self
    {
        $this->password = $password;

return $this;
    }

public function setHost(string $host): self
    {
        $this->host = $host;

return $this;
    }

public function getHost(): string
    {
        return $this->host;
    }

public function setPort(int $port): self
    {
        $this->port = $port;

return $this;
    }

public function setSocket(string $socket): self
    {
        $this->socket = $socket;

return $this;
    }

public function setTimeout(int $timeout): self
    {
        $this->timeout = $timeout;

return $this;
    }

public function setDumpBinaryPath(string $dumpBinaryPath = ''): self
    {
        if ($dumpBinaryPath !== '' && ! str_ends_with($dumpBinaryPath, '/')) {
            $dumpBinaryPath .= '/';
        }

$this->dumpBinaryPath = $dumpBinaryPath;

return $this;
    }

public function getCompressorExtension(): string
    {
        return $this->compressor->useExtension();
    }

public function useCompressor(Compressor $compressor): self
    {
        $this->compressor = $compressor;

return $this;
    }

public function includeTables(string | array $includeTables): self
    {
        if (! empty($this->excludeTables)) {
            throw CannotSetParameter::conflictingParameters('includeTables', 'excludeTables');
        }

if (! is_array($includeTables)) {
            $includeTables = explode(', ', $includeTables);
        }

$this->includeTables = $includeTables;

return $this;
    }

public function excludeTables(string | array $excludeTables): self
    {
        if (! empty($this->includeTables)) {
            throw CannotSetParameter::conflictingParameters('excludeTables', 'includeTables');
        }

if (! is_array($excludeTables)) {
            $excludeTables = explode(', ', $excludeTables);
        }

$this->excludeTables = $excludeTables;

return $this;
    }

public function addExtraOption(string $extraOption): self
    {
        if (! empty($extraOption)) {
            $this->extraOptions[] = $extraOption;
        }

return $this;
    }

public function addExtraOptionAfterDbName(string $extraOptionAfterDbName): self
    {
        if (! empty($extraOptionAfterDbName)) {
            $this->extraOptionsAfterDbName[] = $extraOptionAfterDbName;
        }

return $this;
    }

abstract public function dumpToFile(string $dumpFile): void;

public function checkIfDumpWasSuccessFul(Process $process, string $outputFile): void
    {
        if (! $process->isSuccessful()) {
            throw DumpFailed::processDidNotEndSuccessfully($process);
        }

if (! file_exists($outputFile)) {
            throw DumpFailed::dumpfileWasNotCreated($process);
        }

if (filesize($outputFile) === 0) {
            throw DumpFailed::dumpfileWasEmpty($process);
        }
    }

protected function configureFromDatabaseUrl(): void
    {
        $parsed = (new DsnParser($this->databaseUrl))->parse();

$componentMap = [
            'host' => 'setHost',
            'port' => 'setPort',
            'database' => 'setDbName',
            'username' => 'setUserName',
            'password' => 'setPassword',
        ];

foreach ($parsed as $component => $value) {
            if (isset($componentMap[$component])) {
                $setterMethod = $componentMap[$component];

if (! $value || in_array($value, ['', 'null'])) {
                    continue;
                }

$this->$setterMethod($value);
            }
        }
    }

protected function getCompressCommand(string $command, string $dumpFile): string
    {
        $compressCommand = $this->compressor->useCommand();

if ($this->isWindows()) {
            return "{$command} | {$compressCommand} > {$dumpFile}";
        }

return "(((({$command}; echo \$? >&3) | {$compressCommand} > {$dumpFile}) 3>&1) | (read x; exit \$x))";
    }

protected function echoToFile(string $command, string $dumpFile): string
    {
        $dumpFile = '"' . addcslashes($dumpFile, '\\"') . '"';

if ($this->compressor) {
            return $this->getCompressCommand($command, $dumpFile);
        }

return $command . ' > ' . $dumpFile;
    }

protected function determineQuote(): string
    {
        return $this->isWindows() ? '"' : "'";
    }

protected function isWindows(): bool
    {
        return str_starts_with(strtoupper(PHP_OS), 'WIN');
    }
}