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

namespace DTS.Common.Import.Parsers.CSV
{
    public class Version5CSVTestParser : IParseCSVTest
    {
        private InputClockSource ParseInputClockSource(string val)
        {
            return Enum.TryParse(val, out InputClockSource source) ? source : default;
        }

        private OutputClockSource ParseOutputClockSource(string val)
        {
            return Enum.TryParse(val, out OutputClockSource source) ? source : default;
        }

        private static bool ParseBoolValue(string val)
        {
            return bool.TryParse(val, out var bTemp) ? bTemp : default;
        }

        public int Version => 5;
        public void ParseVersion(CsvReader csvReader, TestSetupImportData tsid)
        {
            var foundHeader = false;
            List<string> tokens = new List<string>();
            while (!foundHeader && csvReader.Read())
            {
                tokens = CsvUtil.ReadFields(csvReader, false);

                if (null == tokens) { return; }
                if (0 == tokens.Count || string.IsNullOrEmpty(tokens[0])) { continue; }
                var field = CSVImportTags.GetTagForString(tokens[0]);
                var version = CSVImportTags.GetVersionForTag(field);
                if (version != 5) { return; } //no version 5 tokens in here ...
                foundHeader = true;
            }

            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 void GetValueForField(TestSetupImportData tsid, List<string> tokens, List<string> tokens2, int index)
        {
            var field = CSVImportTags.GetTagForString(tokens[index]);
            var val = tokens2[index];
            switch (field)
            {
                case CSVImportTags.Tags.ClockMasterInputType:
                    {
                        tsid.ClockMasterInput = ParseInputClockSource(val);
                    }
                    break;
                case CSVImportTags.Tags.ClockMasterOutputType:
                    {
                        tsid.ClockMasterOutput = ParseOutputClockSource(val);
                    }
                    break;
                case CSVImportTags.Tags.ManageClocksOutsideDPMaster:
                    {
                        tsid.ManageClocksOutsideOfDataPROMaster = ParseBoolValue(val);
                    }
                    break;
                case CSVImportTags.Tags.ManageClocksOutsideDPSlave:
                    {
                        tsid.ManageClocksOutsideOfDataPROSlave = ParseBoolValue(val);
                    }
                    break;
                case CSVImportTags.Tags.ClockSlaveInputType:
                    {
                        tsid.ClockSlaveInput = ParseOutputClockSource(val);
                    }
                    break;
                case CSVImportTags.Tags.ClockSlaveOutputType:
                    {
                        tsid.ClockSlaveOutput = ParseOutputClockSource(val);
                    }
                    break;
            }
        }
    }
}