using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Serilog;
using Landmark.OLA.Models.Addresses;
using Landmark.OLA.Models.Addresses.Validators;
using Landmark.OLA.Models.Vendor;

namespace Landmark.OLA.Application.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class AddressValidationController : ControllerBase
    {
        private readonly IUspsVendorClient UspsVendor;

        public AddressValidationController(IUspsVendorClient uspsVendor)
        {
            UspsVendor = uspsVendor;
        }

        /// <summary>
        /// Use to correct a postal address
        /// </summary>
        /// <remarks>
        /// Returns a service corrected postal address, given a postal address.
        /// Cookies: None required or set.
        /// Security: None required or provided.
        /// </remarks>       
        [HttpPost]
        [ProducesResponseType(typeof(Address), 201)]
        [ProducesResponseType(204)]
        [ProducesResponseType(typeof(ModelStateDictionary), 400)]
        public async Task<IActionResult> Post([FromBody] Address address)
        {
            try
            {
                var validator = new AddressValidator();

                var validatorResult = validator.Validate(address);

                if (!validatorResult.IsValid)
                {
                    foreach (var error in validatorResult.Errors)
                    {
                        ModelState.AddModelError(error.PropertyName, error.ErrorMessage);
                    }
                    return BadRequest(ModelState);
                }

                var result = await UspsVendor.CompareAddress(address);
                return Ok(result);
            }
            catch (TimeoutException te)
            {
                Log.Error(te.Message);
                return BadRequest("The time taken to submit the address to the vendor has exceeded the configured timeout length.");
            }
            catch (ArgumentException )
            {
                // This happens when the address is valid in form, but not found.
                return StatusCode(204);
            }
            catch (Exception e)
            {
                Log.Error(e.Message);
                return StatusCode(204);
            }
        }
    }

}