using AutoMapper;
using DigitalData.Core.Application;
using Microsoft.Extensions.Localization;
using EnvelopeGenerator.Application.Contracts;
using EnvelopeGenerator.Domain.Entities;
using EnvelopeGenerator.Infrastructure.Contracts;
using static EnvelopeGenerator.Common.Constants;
using EnvelopeGenerator.Application.Resources;
using DigitalData.Core.DTO;
using EnvelopeGenerator.Application.DTOs.EnvelopeHistory;

namespace EnvelopeGenerator.Application.Services
{
    public class EnvelopeHistoryService : CRUDService<IEnvelopeHistoryRepository, EnvelopeHistoryCreateDto, EnvelopeHistoryDto, EnvelopeHistoryDto, EnvelopeHistory, long>, IEnvelopeHistoryService
    {
        public EnvelopeHistoryService(IEnvelopeHistoryRepository repository, IStringLocalizer<Resource> localizer, IMapper mapper)
            : base(repository, localizer, mapper)
        {
        }

        public async Task<int> CountAsync(int? envelopeId = null, string? userReference = null, int? status = null) => await _repository.CountAsync(envelopeId: envelopeId, userReference: userReference, status: status);

        public async Task<bool> HasStatus(EnvelopeStatus status, int envelopeId, string userReference) => await _repository.CountAsync(
            envelopeId: envelopeId,
            userReference: userReference,
            status: (int) status) > 0;

        public async Task<bool> AccessCodeAlreadyRequested(int envelopeId, string userReference) => await _repository.CountAsync(
            envelopeId: envelopeId,
            userReference:userReference,
            status: (int) EnvelopeStatus.AccessCodeRequested) > 0;

        public async Task<bool> IsSigned(int envelopeId, string userReference) => await _repository.CountAsync(
            envelopeId: envelopeId,
            userReference: userReference,
            status: (int) EnvelopeStatus.DocumentSigned) > 0;

        /// <summary>
        /// Checks if the specified envelope has been rejected.
        /// <para><b>Note:</b> <i>If any document within the envelope is rejected, the entire envelope will be considered rejected.</i></para>
        /// </summary>
        /// <param name="envelopeId">The ID of the envelope to check.</param>
        /// <param name="userReference">Optional user reference associated with the envelope.</param>
        /// <returns>A task that represents the asynchronous operation. The task result contains a boolean value indicating whether the envelope is rejected.</returns>
        public async Task<bool> IsRejected(int envelopeId, string? userReference = null)
        {
            return await _repository.CountAsync(
                envelopeId: envelopeId,
                userReference: userReference,
                status: (int)EnvelopeStatus.DocumentRejected) > 0;
        }

        public async Task<IEnumerable<EnvelopeHistoryDto>> ReadAsync(int? envelopeId = null, string? userReference = null, ReferenceType? referenceType = null, int? status = null)
        {
            var histDTOs = _mapper.MapOrThrow<IEnumerable<EnvelopeHistoryDto>>(
                        await _repository.ReadAsync(
                                    envelopeId: envelopeId,
                                    userReference: userReference,
                                    status: status));
            return referenceType is null ? histDTOs : histDTOs.Where(h => h.ReferenceType == referenceType);
        }

        public async Task<IEnumerable<EnvelopeHistoryDto>> ReadRejectedAsync(int envelopeId, string? userReference = null) =>
            await ReadAsync(envelopeId: envelopeId, userReference: userReference, status: (int)EnvelopeStatus.DocumentRejected);

        public async Task<DataResult<long>> RecordAsync(int envelopeId, string userReference, EnvelopeStatus status) => 
            await CreateAsync(new (EnvelopeId: envelopeId, UserReference: userReference, Status: (int)status, ActionDate: DateTime.Now))
                .ThenAsync(
                    Success: id => Result.Success(id),
                    Fail: (mssg, ntc) => Result.Fail<long>().Message(mssg).Notice(ntc)
                );
    }
}