using OI.Metrology.Server.Models;
using OI.Metrology.Shared.DataModels;
using OI.Metrology.Shared.Models.Stateless;
using System.Globalization;
using System.Text.Json;

namespace OI.Metrology.Server.Repository;

public class ReactorsRepository : IReactorsRepository
{

    private readonly AppSettings _AppSettings;
    private readonly Dictionary<int, char> _SecondsToAlpha;

    public ReactorsRepository(AppSettings appSettings)
    {
        _AppSettings = appSettings;
        _SecondsToAlpha = new();
        for (int i = 65; i < 91; i++)
        {
            if (i is 73 or 79)
                continue;
            _SecondsToAlpha.Add(i - 65, (char)i);
        }

    }

    Result<int[]> IReactorsRepository.EvenReactors()
    {
        Result<int[]> results;
        int[] collection = new int[] {
            20,
            22,
            24,
            26,
            28,
            30,
            32,
            34,
            36,
            38,
            40,
            42,
            44,
            46,
            48,
            50,
            52,
            54,
            56,
            58,
            60,
            62,
            64,
            66,
            68,
            70,
            72,
            74
        };
        results = new()
        {
            Results = collection,
            TotalRows = collection.Length,
        };
        return results;
    }

    Result<int[]> IReactorsRepository.OddReactors()
    {
        Result<int[]> results;
        int[] collection = new int[] {
            21,
            23,
            25,
            27,
            29,
            31,
            33,
            35,
            37,
            39,
            41,
            43,
            45,
            47,
            49,
            51,
            53,
            55,
            57,
            59,
            61,
            63,
            65,
            73,
            75,
            77,
            79
        };
        results = new()
        {
            Results = collection,
            TotalRows = collection.Length,
        };
        return results;
    }

    string? IReactorsRepository.GetKey(WorkMaterialOut workMaterialOut, bool save)
    {
        if (workMaterialOut is null)
            throw new Exception();
        if (workMaterialOut.Username is null || workMaterialOut.Username.Length < 2)
            throw new ArgumentException(nameof(workMaterialOut.Username));
        if (workMaterialOut.RunDataSheet is null || workMaterialOut.RunDataSheet.Length < 2)
            throw new ArgumentException(nameof(workMaterialOut.RunDataSheet));
        string? result = null;
        char c;
        string? fileName = null;
        DateTime dateTime = DateTime.Now;
        Calendar calendar = new CultureInfo("en-US").Calendar;
        string json = JsonSerializer.Serialize(workMaterialOut, new JsonSerializerOptions { WriteIndented = true });
        string weekOfYear = $"{dateTime:yyyy}_Week_{calendar.GetWeekOfYear(dateTime, CalendarWeekRule.FirstDay, DayOfWeek.Sunday):00}";
        string directory = Path.Combine(_AppSettings.ApiExportPath, "WorkMaterialOut", "API", weekOfYear, dateTime.ToString("yyyy-MM-dd_HH"));
        if (!Directory.Exists(directory))
            _ = Directory.CreateDirectory(directory);
        for (int i = 0; i < int.MaxValue; i++)
        {
            dateTime = dateTime.AddSeconds(i);
            if (!_SecondsToAlpha.TryGetValue(dateTime.Second, out c))
                continue;
            fileName = Path.Combine(directory, $"WMO-{dateTime:mm}{c}.json");
            if (!File.Exists(fileName))
            {
                result = $"{c}{dateTime:mm}";
                break;
            }
        }
        if (fileName is null)
            throw new Exception();
        if (save)
            File.WriteAllText(fileName, json);
        return result;
    }

}