/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using System.Collections.Generic;

using ZXing.Aztec;
using ZXing.Common;
using ZXing.Datamatrix;
using ZXing.OneD;
using ZXing.PDF417;
using ZXing.QrCode;

namespace ZXing
{
    /// <summary> This is a factory class which finds the appropriate Writer subclass for the BarcodeFormat
    /// requested and encodes the barcode with the supplied contents.
    /// 
    /// </summary>
    /// <author>  dswitkin@google.com (Daniel Switkin)
    /// </author>
    /// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source 
    /// </author>
    public sealed class MultiFormatWriter : Writer
    {
        private static readonly IDictionary<BarcodeFormat, Func<Writer>> formatMap;

        static MultiFormatWriter()
        {
            formatMap = new Dictionary<BarcodeFormat, Func<Writer>>
                        {
                           {BarcodeFormat.EAN_8, () => new EAN8Writer()},
                           {BarcodeFormat.UPC_E, () => new UPCEWriter()},
                           {BarcodeFormat.EAN_13, () => new EAN13Writer()},
                           {BarcodeFormat.UPC_A, () => new UPCAWriter()},
                           {BarcodeFormat.QR_CODE, () => new QRCodeWriter()},
                           {BarcodeFormat.CODE_39, () => new Code39Writer()},
                           {BarcodeFormat.CODE_93, () => new Code93Writer()},
                           {BarcodeFormat.CODE_128, () => new Code128Writer()},
                           {BarcodeFormat.ITF, () => new ITFWriter()},
                           {BarcodeFormat.PDF_417, () => new PDF417Writer()},
                           {BarcodeFormat.CODABAR, () => new CodaBarWriter()},
                           {BarcodeFormat.MSI, () => new MSIWriter()},
                           {BarcodeFormat.PLESSEY, () => new PlesseyWriter()},
                           {BarcodeFormat.DATA_MATRIX, () => new DataMatrixWriter()},
                           {BarcodeFormat.AZTEC, () => new AztecWriter()},
                        };
        }

        /// <summary>
        /// Gets the collection of supported writers.
        /// </summary>
        public static ICollection<BarcodeFormat> SupportedWriters
        {
            get { return formatMap.Keys; }
        }

        /// <summary>
        /// encode the given data
        /// </summary>
        /// <param name="contents"></param>
        /// <param name="format"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <returns></returns>
        public BitMatrix encode(String contents, BarcodeFormat format, int width, int height)
        {
            return encode(contents, format, width, height, null);
        }

        /// <summary>
        /// encode the given data
        /// </summary>
        /// <param name="contents"></param>
        /// <param name="format"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="hints"></param>
        /// <returns></returns>
        public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, IDictionary<EncodeHintType, object> hints)
        {
            if (!formatMap.ContainsKey(format))
                throw new ArgumentException("No encoder available for format " + format);

            return formatMap[format]().encode(contents, format, width, height, hints);
        }
    }
}