using System;
using System.Threading.Tasks;
using LCU.API.Collections.RepoApi.Exceptions;
using LCU.API.Collections.RepoApi.Factories;
using LCU.Shared.Collections.RepoApiLib.Formatting;
using LCU.Shared.Collections.RepoApiLib.Models.Reporting.Responses;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using Serilog;

namespace LCU.API.Collections.RepoApi.Services.Reporting
{
    public class RepoCompanyReportingService : IRepoCompanyReportingService
    {
        private readonly IReportingRepository _reportingRepository;

        public RepoCompanyReportingService(IReportingRepository reportingRepository)
        {
            _reportingRepository = reportingRepository;
        }

        public async Task<ReportTableResponse> GetAssignedBalance(DateTime lowDateTime, DateTime highDateTime)
        {
            try
            {
                var reportData = await _reportingRepository.GetAccountsByDateAssigned(lowDateTime, highDateTime);

                return new ReportTableResponse()
                {
                    ReportTable = ReportTableFactory.CreateHistoricalSummationTable(
                        ReportSumType.Currency,
                        reportData,
                        "Repo Companies",
                        lowDateTime,
                        highDateTime,
                        (reportEntry) => reportEntry.Balance,
                        (reportEntry) => reportEntry.RepoCompany,
                        (reportEntry) => reportEntry.RepoCompanyAssignmentDate,
                        (reportEntry) => reportEntry.CollateralId),
                    DataTable = DataTableFormatting.CreateDataTable(
                        reportData,
                        (entry) => entry.RepoId,
                        StdReportEntryColumns.Member(),
                        StdReportEntryColumns.AccountNo(),
                        StdReportEntryColumns.Status(),
                        StdReportEntryColumns.DaysInStatus(),
                        StdReportEntryColumns.Balance(),
                        StdReportEntryColumns.AccountCode(),
                        StdReportEntryColumns.Bankruptcy(),
                        StdReportEntryColumns.Collateral(),
                        StdReportEntryColumns.RepoCompany(),
                        StdReportEntryColumns.DateAssigned())
                };
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving Repo Company Active Count Report");
                throw new ServerErrorException();
            }
        }

        public async Task<ReportTableResponse> GetAssignmentCountReport(DateTime lowDateTime, DateTime highDateTime)
        {
            try
            {
                var reportData = await _reportingRepository.GetAccountsByDateAssigned(lowDateTime, highDateTime);

                return new ReportTableResponse()
                {
                    ReportTable = ReportTableFactory.CreateHistoricalSummationTable(
                        ReportSumType.WholeNumber,
                        reportData,
                        "Repo Companies",
                        lowDateTime,
                        highDateTime,
                        (reportEntry) => 1,
                        (reportEntry) => reportEntry.RepoCompany,
                        (reportEntry) => reportEntry.RepoCompanyAssignmentDate,
                        (reportEntry) => reportEntry.CollateralId),
                    DataTable = DataTableFormatting.CreateDataTable(
                        reportData,
                        (entry) => entry.RepoId,
                        StdReportEntryColumns.Member(),
                        StdReportEntryColumns.AccountNo(),
                        StdReportEntryColumns.Status(),
                        StdReportEntryColumns.DaysInStatus(),
                        StdReportEntryColumns.RepoType(),
                        StdReportEntryColumns.Balance(),
                        StdReportEntryColumns.AccountCode(),
                        StdReportEntryColumns.Bankruptcy(),
                        StdReportEntryColumns.Collector(),
                        StdReportEntryColumns.Collateral(),
                        StdReportEntryColumns.RepoCompany(),
                        StdReportEntryColumns.DateAssigned())
                };
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving Repo Company Active Count Report");
                throw new ServerErrorException();
            }
        }

        public async Task<ReportTableResponse> GetAvgDaysAssignedToRepoed(DateTime lowDateTime, DateTime highDateTime)
        {
            try
            {
                var reportData = await _reportingRepository.GetAccountsByDateRepoed(lowDateTime, highDateTime);

                return new ReportTableResponse()
                {
                    ReportTable = ReportTableFactory.CreateHistoricalSummationTable(
                        ReportSumType.WholeNumberAvg,
                        reportData,
                        "Repo Companies",
                        lowDateTime,
                        highDateTime,
                        (reportEntry) => reportEntry.RepoDuration,
                        (reportEntry) => reportEntry.RepoCompany,
                        (reportEntry) => reportEntry.DateRepoed,
                        (reportEntry) => reportEntry.CollateralId,
                        false),
                    DataTable = DataTableFormatting.CreateDataTable(
                        reportData,
                        (reportRow) => reportRow.RepoId,
                        StdReportEntryColumns.Member(),
                        StdReportEntryColumns.AccountNo(),
                        StdReportEntryColumns.Status(),
                        StdReportEntryColumns.DaysInStatus(),
                        StdReportEntryColumns.RepoType(),
                        StdReportEntryColumns.Balance(),
                        StdReportEntryColumns.AccountCode(),
                        StdReportEntryColumns.Bankruptcy(),
                        StdReportEntryColumns.Collateral(),
                        StdReportEntryColumns.RepoCompany(),
                        StdReportEntryColumns.RepoDuration(),
                        StdReportEntryColumns.DateAssigned(),
                        StdReportEntryColumns.DateRepoed())
                };
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving Avg Days Assigned to Repoed Report");
                throw new ServerErrorException();
            }
        }

        public async Task<ReportTableResponse> GetRepoedCountReport(DateTime lowDateTime, DateTime highDateTime)
        {
            try
            {
                var reportData = await _reportingRepository.GetAccountsByDateRepoed(lowDateTime, highDateTime);

                return new ReportTableResponse()
                {
                    ReportTable = ReportTableFactory.CreateHistoricalSummationTable(
                        ReportSumType.WholeNumber,
                        reportData,
                        "Repo Companies",
                        lowDateTime,
                        highDateTime,
                        (reportEntry) => 1,
                        (reportEntry) => reportEntry.RepoCompany,
                        (reportEntry) => reportEntry.DateRepoed,
                        (reportEntry) => reportEntry.CollateralId),
                    DataTable = DataTableFormatting.CreateDataTable(
                        reportData,
                        (entry) => entry.RepoId,
                        StdReportEntryColumns.Member(),
                        StdReportEntryColumns.AccountNo(),
                        StdReportEntryColumns.Status(),
                        StdReportEntryColumns.DaysInStatus(),
                        StdReportEntryColumns.RepoType(),
                        StdReportEntryColumns.Balance(),
                        StdReportEntryColumns.AccountCode(),
                        StdReportEntryColumns.Bankruptcy(),
                        StdReportEntryColumns.Collateral(),
                        StdReportEntryColumns.RepoCompany(),
                        StdReportEntryColumns.RepoDuration())
                };
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving Repo Company Active Count Report");
                throw new ServerErrorException();
            }
        }
    }
}