using System;
using System.Data.SqlClient;
using System.Threading.Tasks;
using LCU.API.Collections.RepoApi.Exceptions;
using LCU.API.Collections.RepoApi.Models.Filters;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.Models.Results;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using Serilog;

namespace LCU.API.Collections.RepoApi.Services
{
    public class AuditRecordService : IAuditRecordService
    {
        private readonly IAuditRecordRepository _repoAccountRepository;
        private readonly IUnitOfWork _unitOfWork;

        public AuditRecordService(
            IAuditRecordRepository repoAccountRepository,
            IUnitOfWork unitOfWork)
        {
            _repoAccountRepository = repoAccountRepository;
            _unitOfWork = unitOfWork;
        }

        public async Task<PagedResult<AuditRecord>> ListAll(PageFilter filter)
        {
            try
            {
                return await _repoAccountRepository.ListAllAsync(filter.Page, filter.Limit);
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure retrieving AuditRecords with page filter {filter}",filter);
                throw new ServerErrorException();
            }
        }

        public async Task<AuditRecord> SaveAsync(AuditRecord repoAccount)
        {
            try
            {
                await _repoAccountRepository.AddAsync(repoAccount);
                await _unitOfWork.CompleteAsync();

                return repoAccount;
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure saving AuditRecord for repoAccount: {repoAccount}", repoAccount);
                throw new ServerErrorException();
            }
        }

        public async Task<AuditRecord> Get(int id)
        {
            AuditRecord repoAccount;
            try
            {
                repoAccount = await _repoAccountRepository.FindByIdAsync(id);
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure retrieving AuditRecord wtih id: {id}");
                throw new ServerErrorException();
            }

            if (repoAccount == null)
            {
                throw new NotFoundException($" AuditRecords with id {id} not found.");
            }

            return repoAccount;
        }

        public async Task<AuditRecord> UpdateAsync(AuditRecord auditRecord)
        {

            AuditRecord existingAuditRecord = null;

            try
            {
                existingAuditRecord = await _repoAccountRepository.FindByIdAsync(auditRecord.ID);
            }
            catch(Exception ex)
            {
                Log.Error(ex, $"Failure retreving existing auditRecord wtih auditrecordId:  AuditRecordID: {auditRecord.ID}", auditRecord);
                throw new ServerErrorException();
            }

            if (existingAuditRecord == null)
            {
                throw new NotFoundException($" AuditRecord with id {auditRecord.ID} not found.");
            }

            try
            {
                _repoAccountRepository.Update(existingAuditRecord);
                await _unitOfWork.CompleteAsync();
                return (existingAuditRecord);
            }
            catch (SqlException ex)
            {
                Log.Error(ex, $"SQL Failure updating  AuditRecord: {auditRecord}", auditRecord);
                throw new ServerErrorException();
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure updating  AuditRecord: {auditRecord}", auditRecord);
                throw new ServerErrorException();
            }
        }

        public async Task<AuditRecord> DeleteAsync(int id)
        {
            AuditRecord existingAuditRecord = null;
            try
            {
                existingAuditRecord = await _repoAccountRepository.FindByIdAsync(id);
            }
            catch(Exception ex)
            {

                Log.Error(ex, $"Failure retreving existing auditRecord wtih auditrecordId:  AuditRecordID: {id}");
                throw new ServerErrorException();
            }

            if (existingAuditRecord == null)
            {
                throw new NotFoundException($" AuditRecord with id {id} not found.");
            }

            try
            {
                _repoAccountRepository.Remove(existingAuditRecord);
                await _unitOfWork.CompleteAsync();
                return existingAuditRecord;
            }
            catch (SqlException ex)
            {
                Log.Error(ex, $"SQL Failure deleting AuditRecord with id: {id}", id);
                throw new ServerErrorException();
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure deleting AuditRecord with id: {id}", id);
                throw new ServerErrorException();
            }
        }
    }
}