using System.Globalization;
using DiunaBIWebAPI.dataProcessors;
using Google.Apis.Sheets.v4;
using Google.Apis.Sheets.v4.Data;
using Microsoft.EntityFrameworkCore;
using WebAPI.Controllers;
using WebAPI.Models;

namespace WebAPI.dataProcessors;

public class T1R1OldProcessor(
    AppDbContext db,
    SpreadsheetsResource.ValuesResource googleSheetValues,
    LayersController controller,
    LogsController logsController)
{
    public void Process(Layer processWorker)
    {
        var year = int.Parse(processWorker.Records?.SingleOrDefault(x => x.Code == "Year")?.Desc1!);
        var sources = processWorker.Records?.Where(x => x.Code == "Source").ToList();
        if (sources!.Count == 0)
        {
            throw new Exception("Source record not found");
        }
        var codes = processWorker.Records?.SingleOrDefault(x => x.Code == "Codes")?.Desc1;
        if (codes == null)
        {
            throw new Exception("Codes record not found");
        }
        var codesList = ProcessHelper.ParseCodes(codes);

        var processedLayer = db.Layers
            .Where(x => x.ParentId == processWorker.Id
                        && !x.IsDeleted)
            .OrderByDescending(x => x.CreatedAt)
            .FirstOrDefault();

        var isNew = false;
        if (processedLayer == null)
        {
            isNew = true;
            processedLayer = new Layer
            {
                Id = Guid.NewGuid(),
                Type = LayerType.Processed,
                ParentId = processWorker.Id,
                Number = db.Layers.Count() + 1
            };
            processedLayer.Name = $"L{processedLayer.Number}-P-{year}-R1-T1";
            processedLayer.CreatedById = Guid.Parse("F392209E-123E-4651-A5A4-0B1D6CF9FF9D");
            processedLayer.ModifiedById = Guid.Parse("F392209E-123E-4651-A5A4-0B1D6CF9FF9D");
            processedLayer.CreatedAt = DateTime.UtcNow;
            processedLayer.ModifiedAt = DateTime.UtcNow;
        }

        processedLayer.ModifiedById = Guid.Parse("F392209E-123E-4651-A5A4-0B1D6CF9FF9D");
        processedLayer.ModifiedAt = DateTime.UtcNow;

        var dataSources = new List<Layer>();

        foreach (var source in sources)
        {
            for (var month = 1; month <= DateTime.UtcNow.Month; month++)
            {
                var monthCopy = month;
                var dataSource = db.Layers.Where(x =>
                        x.Type == LayerType.Processed &&
                        !x.IsDeleted &&
                        x.Name != null && x.Name.Contains($"{year}/{monthCopy:D2}-{source.Desc1}-T3")
                    )
                    .Include(x => x.Records)
                    .FirstOrDefault();
                if (dataSource != null)
                {
                    dataSources.Add(dataSource);
                }
                else
                {
                    logsController.AddEntry(new LogEntry
                    {
                        Title = $"{processWorker.Name}, {processWorker.Id}",
                        Type = LogEntryType.Warning,
                        LogType = LogType.Process,
                        Message = $"Data source {year}/{month:D2}-{source.Desc1}-T3 not found",
                        CreatedAt = DateTime.UtcNow
                    });
                }
            }
            // year summary
            var dataSourceSum = db.Layers.Where(x =>
                    x.Type == LayerType.Processed &&
                    !x.IsDeleted &&
                    x.Name != null && x.Name.Contains($"{year}/13-{source.Desc1}-T3")
                )
                .Include(x => x.Records)
                .FirstOrDefault();
            if (dataSourceSum != null)
            {
                dataSources.Add(dataSourceSum);
            }
            else
            {
                logsController.AddEntry(new LogEntry
                {
                    Title = $"{processWorker.Name}, {processWorker.Id}",
                    Type = LogEntryType.Warning,
                    LogType = LogType.Process,
                    Message = $"Data source {year}/13-{source.Desc1}-T3 not found",
                    CreatedAt = DateTime.UtcNow
                });
            }
        }


        if (dataSources.Count == 0)
        {
            throw new Exception("DataSources are empty");
        }

        var newRecords = dataSources
            .SelectMany(x => x.Records!)
            .Where(x => codesList.Contains(int.Parse(x.Code!)))
            .Select(x =>
            {
                var layer = dataSources.SingleOrDefault(y => y.Id == x.LayerId);
                var postFix = layer!.Name!.Split("/")[1].Split("-")[0];
                if (postFix.Length == 1)
                {
                    postFix = "0" + postFix;
                }

                var newRecord = new Record
                {
                    Id = Guid.NewGuid(),
                    Code = x.Code + postFix,
                    CreatedAt = DateTime.UtcNow,
                    ModifiedAt = DateTime.UtcNow,
                    Value1 = x.Value32
                };

                return newRecord;
            })
            .ToList();
        if (isNew)
        {
            db.Layers.Add(processedLayer);
        }
        else
        {
            db.Layers.Update(processedLayer);
        }
        controller.SaveRecords(processedLayer.Id, newRecords, Guid.Parse("F392209E-123E-4651-A5A4-0B1D6CF9FF9D"));
        db.SaveChanges();

        UpdateReport();
    }

    private void UpdateReport()
    {
        const string sheetId = "1pph-XowjlK5CIaCEV_A5buK4ceJ0Z0YoUlDI4VMkhhA";
        const string sheetName = "OLD_Raport_R1_Eksport";
        var request = googleSheetValues.Get(sheetId, "C4:EX4");
        var response = request.Execute();

        var r1 = db.Layers
            .Where(x => x.Number == 1205)
            .Include(x => x.Records)
            .FirstOrDefault();

        const int startRow = 6;

        var codesRow = response.Values[0];
        for (var i = 1; i <= DateTime.UtcNow.Month; i++)
        {
            var values = new List<object>();
            var month = i < 10 ? $"0{i}" : i.ToString();
            var row = (startRow + i).ToString();
            foreach (string code in codesRow)
            {
                var record = r1!.Records?.SingleOrDefault(x => x.Code == $"{code}{month}");
                if (record != null)
                {
                    values.Add(record.Value1!.Value);
                }
                else
                {
                    values.Add("0");
                }
            }
            var valueRange = new ValueRange
            {
                Values = new List<IList<object>> { values }
            };
            var update = googleSheetValues.Update(valueRange, sheetId, $"{sheetName}!C{row}:XZ{row}");
            update.ValueInputOption = SpreadsheetsResource.ValuesResource.UpdateRequest.ValueInputOptionEnum.USERENTERED;
            update.Execute();
        }
            
        // sum 
        var valuesSum = new List<object>();
        var emptyRow = new List<object>();
        var rowEmpty = (startRow + DateTime.UtcNow.Month + 1).ToString();            
        var rowSum = (startRow + DateTime.UtcNow.Month + 2).ToString();
        foreach (string code in codesRow)
        {
            var record = r1!.Records?.SingleOrDefault(x => x.Code == $"{code}13");
            emptyRow.Add("");
            if (record != null)
            {
                valuesSum.Add(record.Value1!.Value);
            }
            else
            {
                valuesSum.Add("0");
            }
        }
        // insert empty row before sum
        var valueRangeEmpty = new ValueRange
        {
            Values = new List<IList<object>> { emptyRow }
        };
        var updateEmpty = googleSheetValues.Update(valueRangeEmpty, sheetId, $"{sheetName}!C{rowEmpty}:XZ{rowEmpty}");
        updateEmpty.ValueInputOption = SpreadsheetsResource.ValuesResource.UpdateRequest.ValueInputOptionEnum.USERENTERED;
        updateEmpty.Execute();
            
        var valueRangeSum = new ValueRange
        {
            Values = new List<IList<object>> { valuesSum }
        };
        var updateSum = googleSheetValues.Update(valueRangeSum, sheetId, $"{sheetName}!C{rowSum}:XZ{rowSum}");
        updateSum.ValueInputOption = SpreadsheetsResource.ValuesResource.UpdateRequest.ValueInputOptionEnum.USERENTERED;
        updateSum.Execute();
            
        // update time 
        var timeUtc = new List<object>
        {
            r1!.ModifiedAt.ToString("dd.MM.yyyy HH:mm:ss", CultureInfo.GetCultureInfo("pl-PL"))
        };
        var valueRangeUtcTime = new ValueRange
        {
            Values = new List<IList<object>> { timeUtc }
        };
        var updateTimeUtc = googleSheetValues.Update(valueRangeUtcTime, sheetId, $"{sheetName}!G1");
        updateTimeUtc.ValueInputOption = SpreadsheetsResource.ValuesResource.UpdateRequest.ValueInputOptionEnum.USERENTERED;
        updateTimeUtc.Execute();
            
        var warsawTimeZone = TimeZoneInfo.FindSystemTimeZoneById("Central European Standard Time");
        var warsawTime = TimeZoneInfo.ConvertTimeFromUtc(r1.ModifiedAt.ToUniversalTime(), warsawTimeZone);
        var timeWarsaw = new List<object>
        {
            warsawTime.ToString("dd.MM.yyyy HH:mm:ss", CultureInfo.GetCultureInfo("pl-PL"))
        };
        var valueRangeWarsawTime = new ValueRange
        {
            Values = new List<IList<object>> { timeWarsaw }
        };
        var updateTimeWarsaw = googleSheetValues.Update(valueRangeWarsawTime, sheetId, $"{sheetName}!G2");
        updateTimeWarsaw.ValueInputOption = SpreadsheetsResource.ValuesResource.UpdateRequest.ValueInputOptionEnum.USERENTERED;
        updateTimeWarsaw.Execute();
    }
}