using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DTS.SensorDB.TDCINI
{
    /// <summary>
    /// helper class for ISO Export section of INI
    /// </summary>
    public class INIISOExportParameters
    {
        /// <summary>
        /// whether to automatically export ISO on download
        /// </summary>
        public bool AutomaticISOExportOnDownload { get; set; }
        /// <summary>
        /// the MME header template (empty if none)
        /// </summary>
        public string MMEHeaderTemplateFilename { get; set; }
        /// <summary>
        /// whether to prompt the user for MME header template file or not
        /// </summary>
        public bool PromptUserForMMETemplateFilename { get; set; }
        /// <summary>
        /// channel header template (empty if none)
        /// </summary>
        public string ChannelHeaderTemplateFilename { get; set; }
        /// <summary>
        /// whether to prompt the user for a channel header template file
        /// </summary>
        public bool PromptUserForChannelHeaderFilename { get; set; }
        public enum FilterOutputOptions
        {
            UnFiltered = 0,
            Filtered = 1,
            PromptUser = 2
        }
        /// <summary>
        /// what type of output is desired
        /// </summary>
        public FilterOutputOptions FilterOutput { get; set; }
        /// <summary>
        /// whether to supress the export completion dialog
        /// </summary>
        public bool SuppressExportCompletionDialog { get; set; }
        /// <summary>
        /// dummy template file (empty if none)
        /// </summary>
        public string DummyTemplateFilename { get; set; }
        /// <summary>
        /// whether to prompt the user for dummy template file or not
        /// </summary>
        public bool PromptUserForDummyTemplateFilename { get; set; }
        /// <summary>
        /// reads settings from a line
        /// returns true if successful or false if not
        /// </summary>
        /// <param name="line"></param>
        /// <param name="curLine"></param>
        /// <param name="errors"></param>
        /// <returns></returns>
        public bool ReadFrom(string line, int curLine, ref List<TDCINIError> errors)
        {
            string[] tokens = line.Split(new char[] { ',' });
            if (tokens.Length != 9)
            {
                errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, line, curLine));
                return false;
            }
            switch (tokens[0])
            {
                case "0":
                case "F":
                case "N":
                    AutomaticISOExportOnDownload = false;
                    break;
                case "1":
                case "T":
                case "Y":
                    AutomaticISOExportOnDownload = true;
                    break;
                default:
                    {
                        errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, tokens[0], curLine));
                        return false;
                    }
            }

            MMEHeaderTemplateFilename = tokens[1];

            switch (tokens[2])
            {
                case "0":
                case "F":
                case "N":
                    PromptUserForMMETemplateFilename = false;
                    break;
                case "1":
                case "T":
                case "Y":
                    PromptUserForMMETemplateFilename = true;
                    break;
                default:
                    {
                        errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, tokens[2], curLine));
                        return false;
                    }
            }

            ChannelHeaderTemplateFilename = tokens[3];

            switch (tokens[4])
            {
                case "0":
                case "F":
                case "N":
                    PromptUserForChannelHeaderFilename = false;
                    break;
                case "1":
                case "T":
                case "Y":
                    PromptUserForChannelHeaderFilename = true;
                    break;
                default:
                    {
                        errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, tokens[4], curLine));
                        return false;
                    }
            }

            switch (tokens[5])
            {
                case "0": FilterOutput = FilterOutputOptions.UnFiltered; break;
                case "1": FilterOutput = FilterOutputOptions.Filtered; break;
                case "2": FilterOutput = FilterOutputOptions.PromptUser; break;
                default:
                    {
                        errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, tokens[5], curLine));
                        return false;
                    }
            }

            switch (tokens[6])
            {
                case "0":
                case "F":
                case "N":
                    SuppressExportCompletionDialog = false; break;
                case "1":
                case "T":
                case "Y":
                    SuppressExportCompletionDialog = true; break;
                default:
                    {
                        errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, tokens[6], curLine));
                        return false;
                    }
            }

            DummyTemplateFilename = tokens[7];

            switch (tokens[8])
            {
                case "0":
                case "F":
                case "N":
                    PromptUserForDummyTemplateFilename = false; break;
                case "1":
                case "T":
                case "Y":
                    PromptUserForDummyTemplateFilename = true; break;
                default:
                    {
                        errors.Add(new TDCINIError(TDCINIError.INIErrors.INI_ISOEXPORTPARAMETERS_INVALID, tokens[8], curLine));
                        return false;
                    }
            }
            return true;

        }
    }
}