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<?php

    namespace CzProject\SqlGenerator\Statements;

    use CzProject\SqlGenerator\OutOfRangeException;
    use CzProject\SqlGenerator\Helpers;
    use CzProject\SqlGenerator\IDriver;
    use CzProject\SqlGenerator\IStatement;


    class AddForeignKey implements IStatement
    {
        /** @var ForeignKeyDefinition */
        private $definition;


        /**
         * @param  string
         * @param  string[]|string
         * @param  string
         * @param  string[]|string
         */
        public function __construct($name, $columns = array(), $targetTable, $targetColumns = array())
        {
            $this->definition = new ForeignKeyDefinition($name, $columns, $targetTable, $targetColumns);
        }


        /**
         * @param  int
         * @return static
         */
        public function setOnUpdateAction($onUpdateAction)
        {
            $this->definition->setOnUpdateAction($onUpdateAction);
            return $this;
        }


        /**
         * @param  int
         * @return static
         */
        public function setOnDeleteAction($onDeleteAction)
        {
            $this->definition->setOnDeleteAction($onDeleteAction);
            return $this;
        }


        /**
         * @return string
         */
        public function toSql(IDriver $driver)
        {
            return 'ADD ' . $this->definition->toSql($driver);
        }
    }