// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
//
// Copyright (c) Jeff Hardy 2010-2012.
//

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using IronPython.Runtime;
using System.Collections;
using IronPython.Runtime.Exceptions;

namespace IronPython.SQLite
{
 public static partial class PythonSQLite
 {
 [PythonType]
 public class Row : IEnumerable
 {
 private PythonTuple data;
 private PythonTuple description;

 public Row(Cursor cursor, PythonTuple data)
 {
 this.data = data;
 this.description = cursor.description;
 }

 public override bool Equals(object obj)
 {
 Row other = obj as Row;

 if(other == null)
 return false;

 if(object.ReferenceEquals(this, other))
 return true;

 return this.description.Equals(other.description) && this.data.Equals(other.data);
 }

 public override int GetHashCode()
 {
 return description.GetHashCode() ^ data.GetHashCode();
 }

 public object __iter__()
 {
 return data;
 }

 public object this[long i]
 {
 get { return this.data[i]; }
 }

 public object this[string s]
 {
 get
 {
 for(int i = 0; i < data.Count; ++i)
 {
 PythonTuple col_desc = (PythonTuple)description[i];
 if(s.Equals((string)col_desc[0], StringComparison.OrdinalIgnoreCase))
 return data[i];
 }

 throw CreateThrowable(PythonExceptions.IndexError, "No item with that key");
 }
 }

 public PythonList keys()
 {
 PythonList list = new PythonList();

 for(int i = 0; i < data.Count; ++i)
 {
 list.append(((PythonTuple)description[i])[0]);
 }

 return list;
 }

 #region IEnumerable Members

 public IEnumerator GetEnumerator()
 {
 return data.GetEnumerator();
 }

 #endregion
 }
 }
}