using CsvHelper;
using DTS.Common.Classes;
using DTS.Common.Enums;
using DTS.Common.Enums.Sensors;
using DTS.Common.Import.Interfaces;
using System;
using System.Collections.Generic;
using System.Linq;

namespace DTS.Common.Import.Parsers.CSV
{
    public class Version0CSVTestParser : IParseCSVTest
    {
        public int Version => 0;
        public void ParseVersion(CsvReader csvReader, TestSetupImportData tsid)
        {
            var tokens = CsvUtil.ReadFields(csvReader);

            if (null == tokens || tokens[0] != "Version")
            {
                return;
            }
            var tokens2 = CsvUtil.ReadFields(csvReader);

            if (null == tokens2) { return; }

            for (var i = 0; i < tokens.Count && i < tokens2.Count; i++)
            {
                GetValueForField(tsid, tokens, tokens2, i);
            }
        }

        private static double ParseDoubleValue(string val)
        {
            return double.TryParse(val, out var iTemp) ? iTemp : default(double);
        }

        private static void GetValueForField(TestSetupImportData testSetupImportData, List<string> tokens, List<string> tokens2, int index)
        {
            var field = CSVImportTags.GetTagForString(tokens[index]);
            var val = tokens2[index];
            switch (field)
            {
                case CSVImportTags.Tags.PostTriggerSec:
                        testSetupImportData.PosttriggerSeconds = ParseDoubleValue(val);
                    break;
                case CSVImportTags.Tags.PreTriggerSec:
                    {
                            testSetupImportData.PretriggerSeconds = ParseDoubleValue(val);
                    }
                    break;
                case CSVImportTags.Tags.RecordingMode:
                    {
                        testSetupImportData.RecordingMode = Enum.TryParse(val, out RecordingModes mode) ? mode : default;
                    }
                    break;
                case CSVImportTags.Tags.SampleRate:
                    {
                        testSetupImportData.SamplesPerSecond = ParseDoubleValue(val); 
                    }
                    break;
                case CSVImportTags.Tags.TestSetupDescription:
                    testSetupImportData.Description = val;
                    break;
                case CSVImportTags.Tags.TestSetupName:
                    testSetupImportData.Name = val;
                    break;
                case CSVImportTags.Tags.Version:
                    {
                        testSetupImportData.Version = int.TryParse(val, out var iTemp) ? iTemp : default;
                    }
                    break;
                case CSVImportTags.Tags.Tags:
                    testSetupImportData.Tags = val.Split(';').ToList();
                    break;
            }
        }
    }
}