using System;
using System.Threading.Tasks;
using ComplianceNFs.Core.Entities;
using ComplianceNFs.Core.Ports;
using Npgsql;
using Newtonsoft.Json;
using System.Numerics;
using Microsoft.Extensions.Logging;
using Microsoft.EntityFrameworkCore;

namespace ComplianceNFs.Infrastructure.Repositories
{
    public class AttachmentRepository(ComplianceNFsDbContext dbContext, ILogger<AttachmentRepository> logger) : IAttachmentRepository
    {
        private readonly ComplianceNFsDbContext _dbContext = dbContext;
        private readonly ILogger<AttachmentRepository> _logger = logger;

        public async Task SaveRawAsync(EnergyInvoice invoice)
        {
            try
            {
                await _dbContext.EnergyInvoices.AddAsync(invoice);
                await _dbContext.SaveChangesAsync();
                _logger.LogInformation("Saved raw invoice {InvoiceId} to EnergyInvoices table.", invoice.InvoiceId);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Error saving raw invoice {InvoiceId} to EnergyInvoices table.", invoice.InvoiceId);
                throw;
            }
        }

        public async Task UpdateMatchAsync(int invoiceId, BigInteger matchedCodTE, InvoiceStatus status, string notes)
        {
            try
            {
                var invoice = await _dbContext.EnergyInvoices.FirstOrDefaultAsync(e => e.InvoiceId == invoiceId) ?? throw new InvalidOperationException($"Invoice with ID {invoiceId} not found.");
                invoice.MatchedCodTE = matchedCodTE;
                invoice.Status = status;
                invoice.DiscrepancyNotes = notes;
                await _dbContext.SaveChangesAsync();
                _logger.LogInformation("Updated match for invoice {InvoiceId}.", invoiceId);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Error updating match for invoice {InvoiceId}.", invoiceId);
                throw;
            }
        }
    }
}