1:   2:   3:   4:   5:   6:   7:   8:   9:  10:  11:  12:  13:  14:  15:  16:  17:  18:  19:  20:  21:  22:  23:  24:  25:  26:  27:  28:  29:  30:  31:  32:  33:  34:  35:  36:  37:  38:  39:  40:  41:  42:  43:  44:  45:  46:  47:  48:  49:  50:  51:  52:  53:  54:  55:  56:  57:  58:  59:  60:  61:  62:  63:  64:  65:  66:  67:  68:  69:  70:  71:  72:  73:  74:  75:  76:  77:  78:  79:  80:  81:  82:  83:  84:  85:  86:  87:  88:  89:  90:  91:  92:  93:  94:  95:  96:  97:  98:  99: 100: 101: 102: 103: 104: 105: 106: 107: 108: 109: 110: 111: 112: 113: 114: 115: 116: 117: 118: 119: 120: 121: 122: 123: 124: 125: 126: 127: 128: 129: 130: 131: 132: 133: 134: 135: 136: 137: 138: 139: 140: 141: 142: 143: 144: 145: 146: 147: 148: 

<?php

    namespace CzProject\SqlGenerator;


    class SqlDocument
    {
        /** @var IStatement[] */
        private $statements = array();


        /**
         * @return static
         */
        public function addStatement(IStatement $statement)
        {
            $this->statements[] = $statement;
            return $this;
        }


        /**
         * @return bool
         */
        public function isEmpty()
        {
            return empty($this->statements);
        }


        /**
         * @return string[]
         */
        public function getSqlQueries(IDriver $driver)
        {
            $output = array();

            foreach ($this->statements as $statement) {
                $output[] = $statement->toSql($driver);
            }

            return $output;
        }


        /**
         * @return string
         */
        public function toSql(IDriver $driver)
        {
            $output = '';

            foreach ($this->statements as $statement) {
                $output .= "\n";
                $output .= $statement->toSql($driver);
                $output .= "\n";
            }

            return $output;
        }


        /**
         * @param  string
         * @param  array
         * @return Statements\Insert
         */
        public function insert($tableName, array $data)
        {
            $statement = new Statements\Insert($tableName, $data);
            $this->addStatement($statement);
            return $statement;
        }


        /**
         * @param  string
         * @return Statements\CreateTable
         */
        public function createTable($tableName)
        {
            $statement = new Statements\CreateTable($tableName);
            $this->addStatement($statement);
            return $statement;
        }


        /**
         * @param  string
         * @return Statements\DropTable
         */
        public function dropTable($tableName)
        {
            $statement = new Statements\DropTable($tableName);
            $this->addStatement($statement);
            return $statement;
        }


        /**
         * @param  string
         * @param  string
         * @return Statements\RenameTable
         */
        public function renameTable($oldTable, $newTable)
        {
            $statement = new Statements\RenameTable($oldTable, $newTable);
            $this->addStatement($statement);
            return $statement;
        }


        /**
         * @param  string
         * @return Statements\AlterTable
         */
        public function alterTable($tableName)
        {
            $statement = new Statements\AlterTable($tableName);
            $this->addStatement($statement);
            return $statement;
        }


        /**
         * @param  string
         * @return Statements\SqlCommand
         */
        public function command($command)
        {
            $statement = new Statements\SqlCommand($command);
            $this->addStatement($statement);
            return $statement;
        }


        /**
         * @param  string
         * @return Statements\Comment
         */
        public function comment($comment)
        {
            $statement = new Statements\Comment($comment);
            $this->addStatement($statement);
            return $statement;
        }
    }