using EnvelopeGenerator.Common;
using EnvelopeGenerator.Web.Services;
using Microsoft.AspNetCore.Mvc;

namespace EnvelopeGenerator.Web.Controllers
{
    public class EnvelopeController : BaseController
    {
        private readonly EnvelopeService envelopeService;
        private readonly EmailService emailService;

        public EnvelopeController(DatabaseService database, LoggingService logging, EnvelopeService envelope, EmailService email) : base(database, logging)
        {
            envelopeService = envelope;
            emailService = email;
        }

        [HttpGet]
        [Route("api/envelope/{envelopeKey}")]
        public IActionResult Get(string envelopeKey)
        {
            try
            {
                logger.Info("EnvelopeController/Get");

                // Validate Envelope Key and load envelope
                envelopeService.EnsureValidEnvelopeKey(envelopeKey);
                EnvelopeResponse response = envelopeService.LoadEnvelope(envelopeKey);

                return Json(response);
            }
            catch (Exception e)
            {
                return ErrorResponse(e);
            }
        }

        [HttpPost]
        [Route("api/envelope/{envelopeKey}")]
        public async Task<IActionResult> Update(string envelopeKey)
        {
            try
            {
                logger.Info("EnvelopeController/Update");

                // Validate Envelope Key and load envelope
                envelopeService.EnsureValidEnvelopeKey(envelopeKey);
                EnvelopeResponse response = envelopeService.LoadEnvelope(envelopeKey);

                var Request = ControllerContext.HttpContext.Request;
                var document = envelopeService.GetDocument(Request, envelopeKey);

                string annotationData = await envelopeService.EnsureValidAnnotationData(Request);

                envelopeService.InsertDocumentStatus(new DocumentStatus()
                {
                    EnvelopeId = response.Envelope.Id,
                    ReceiverId = response.Receiver.Id,
                    Value = annotationData,
                    Status = Common.Constants.DocumentStatus.Signed
                });

                envelopeService.InsertHistoryEntrySigned(response);

                SendSignedEmail(response);

                return Ok();
            }
            catch (Exception e)
            {
                return ErrorResponse(e);
            }
        }

        public bool SendSignedEmail(EnvelopeResponse response)
        {
            EmailTemplate template = new();
            EmailData emailData = new(response.Envelope, response.Receiver)
            {
                SignatureLink = "",
            };

            template.FillDocumentSignedEmailBody(emailData);

            return emailService.SendEmail(emailData);
        }
    }
}