using DigitalData.Core.Abstraction.Application.DTO;
using EnvelopeGenerator.Application.Interfaces.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using EnvelopeGenerator.Domain.Constants;
using EnvelopeGenerator.Web.Extensions;
using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiverReadOnly;

namespace EnvelopeGenerator.Web.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class ReadOnlyController : ControllerBase
    {
        private readonly ILogger<ReadOnlyController> _logger;

        [Obsolete("Use MediatR")]
        private readonly IEnvelopeReceiverReadOnlyService _erroService;

        [Obsolete("Use MediatR")]
        private readonly IEnvelopeMailService _mailService;

        [Obsolete("Use MediatR")]
        private readonly IEnvelopeHistoryService _histService;

        [Obsolete("Use MediatR")]
        public ReadOnlyController(ILogger<ReadOnlyController> logger, IEnvelopeReceiverReadOnlyService erroService, IEnvelopeMailService mailService, IEnvelopeHistoryService histService)
        {
            _logger = logger;
            _erroService = erroService;
            _mailService = mailService;
            _histService = histService;
        }

        [HttpPost]
        [Authorize(Roles = ReceiverRole.FullyAuth)]
        [Obsolete("Use MediatR")]
        public async Task<IActionResult> CreateAsync([FromBody] EnvelopeReceiverReadOnlyCreateDto createDto)
        {
            //set AddedWho
            var authReceiverMail = User.GetAuthReceiverMail();
            if (authReceiverMail is null)
            {
                _logger.LogError("EmailAddress clam is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
                return Unauthorized();
            }

            var envelopeId = User.GetAuthEnvelopeId();
            if (envelopeId is null)
            {
                _logger.LogError("Envelope Id clam is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
                return Unauthorized();
            }

            createDto.AddedWho = authReceiverMail;
            createDto.EnvelopeId = envelopeId;

            // create entity
            var creation_res = await _erroService.CreateAsync(createDto: createDto);

            if (creation_res.IsFailed)
            {
                _logger.LogNotice(creation_res);
                return StatusCode(StatusCodes.Status500InternalServerError);
            }

            //read new entity
            var read_res = await _erroService.ReadByIdAsync(creation_res.Data.Id);
            if (read_res.IsFailed)
            {
                _logger.LogNotice(creation_res);
                return StatusCode(StatusCodes.Status500InternalServerError);
            }

            var new_erro = read_res.Data;

            //send email two receiver
            return await _mailService.SendAsync(new_erro).ThenAsync<int, IActionResult>(SuccessAsync: async res =>
            {
                //TODO: implement multi-threading to history process (Task)
                //TODO: remove casting after change the id type
                var hist_res = await _histService.RecordAsync((int)createDto.EnvelopeId, createDto.AddedWho, EnvelopeStatus.EnvelopeShared);
                if (hist_res.IsFailed)
                {
                    _logger.LogError("Although the envelope was sent as read-only, the EnvelopeShared hisotry could not be saved. Create DTO:\n{createDto}", JsonConvert.SerializeObject(createDto));
                    _logger.LogNotice(hist_res.Notices);
                }

                return Ok();
            },

            Fail: (msg, ntc) =>
            {
                _logger.LogNotice(ntc);
                return StatusCode(StatusCodes.Status500InternalServerError);
            });
        }
    }
}