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<?php

    namespace Inlm\SchemaGenerator\Integrations;

    use Inlm\SchemaGenerator;
    use LeanMapper;


    abstract class AbstractIntegration implements SchemaGenerator\IIntegration
    {
        public function createMigration($description = NULL, $testMode = FALSE)
        {
            $generator = new SchemaGenerator\SchemaGenerator(
                $this->createExtractor(),
                $this->createAdapter(),
                $this->createSqlDumper(),
                $this->createLogger()
            );

            $this->applyOptions($generator);
            $this->applyCustomTypes($generator);

            $generator->setTestMode($testMode);
            $generator->generate($description);
        }


        public function updateDevelopmentDatabase($testMode = FALSE)
        {
            $generator = new SchemaGenerator\SchemaGenerator(
                $this->createExtractor(),
                $this->createDatabaseAdapter(),
                $this->createDatabaseDumper(),
                $this->createLogger()
            );

            $this->applyOptions($generator);
            $this->applyCustomTypes($generator);

            $generator->setTestMode($testMode);
            $generator->generate();
        }


        public function showDiff()
        {
            $generator = new SchemaGenerator\SchemaGenerator(
                $this->createExtractor(),
                $this->createAdapter(),
                new SchemaGenerator\Dumpers\NullDumper,
                $this->createLogger()
            );

            $this->applyOptions($generator);
            $this->applyCustomTypes($generator);

            $generator->setTestMode(TRUE);
            $generator->generate();
        }


        public function initFromDatabase()
        {
            $generator = new SchemaGenerator\SchemaGenerator(
                $this->createDatabaseExtractor(),
                $this->createAdapter(),
                $this->createSqlDumper(),
                $this->createLogger()
            );

            $this->applyOptions($generator);
            $this->applyCustomTypes($generator);

            $generator->setTestMode(FALSE);
            $generator->generate('init');
        }


        protected function applyOptions(SchemaGenerator\SchemaGenerator $generator)
        {
            $options = $this->getOptions();

            if ($options === NULL) {
                return;
            }

            foreach ($options as $option => $value) {
                $generator->setOption($option, $value);
            }
        }


        protected function applyCustomTypes(SchemaGenerator\SchemaGenerator $generator)
        {
            $customTypes = $this->getCustomTypes();

            if ($customTypes === NULL) {
                return;
            }

            foreach ($customTypes as $name => $definition) {
                $type = SchemaGenerator\Utils\DataTypeParser::parse($definition);
                $generator->setCustomType($name, $type->getType(), $type->getParameters(), $type->getOptions());
            }
        }


        abstract protected function getOptions();


        abstract protected function getCustomTypes();


        abstract protected function createExtractor();


        abstract protected function createAdapter();


        abstract protected function createDatabaseExtractor();


        abstract protected function createDatabaseAdapter();


        abstract protected function createDatabaseDumper();


        abstract protected function createSqlDumper();


        abstract protected function createLogger();
    }