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<?php

namespace IlluminateDatabaseSchema;

use IlluminateSupportFacadesFile;

class SQLiteBuilder extends Builder
{
    /**
     * Create a database in the schema.
     *
     * @param  string  $name
     * @return bool
     */
    public function createDatabase($name)
    {
        return File::put($name, '') !== false;
    }

    /**
     * Drop a database from the schema if the database exists.
     *
     * @param  string  $name
     * @return bool
     */
    public function dropDatabaseIfExists($name)
    {
        return File::exists($name)
            ? File::delete($name)
            : true;
    }

    /**
     * Drop all tables from the database.
     *
     * @return void
     */
    public function dropAllTables()
    {
        if ($this->connection->getDatabaseName() !== ':memory:') {
            return $this->refreshDatabaseFile();
        }

        $this->connection->select($this->grammar->compileEnableWriteableSchema());

        $this->connection->select($this->grammar->compileDropAllTables());

        $this->connection->select($this->grammar->compileDisableWriteableSchema());

        $this->connection->select($this->grammar->compileRebuild());
    }

    /**
     * Drop all views from the database.
     *
     * @return void
     */
    public function dropAllViews()
    {
        $this->connection->select($this->grammar->compileEnableWriteableSchema());

        $this->connection->select($this->grammar->compileDropAllViews());

        $this->connection->select($this->grammar->compileDisableWriteableSchema());

        $this->connection->select($this->grammar->compileRebuild());
    }

    /**
     * Get all of the table names for the database.
     *
     * @return array
     */
    public function getAllTables()
    {
        return $this->connection->select(
            $this->grammar->compileGetAllTables()
        );
    }

    /**
     * Get all of the view names for the database.
     *
     * @return array
     */
    public function getAllViews()
    {
        return $this->connection->select(
            $this->grammar->compileGetAllViews()
        );
    }

    /**
     * Empty the database file.
     *
     * @return void
     */
    public function refreshDatabaseFile()
    {
        file_put_contents($this->connection->getDatabaseName(), '');
    }
}