using System.Linq;
using BlueWest.Data;
using BlueWest.WebApi.MySQL;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace BlueWest.WebApi.Controllers;
[ApiController]
[Route("[controller]")]
public class CountryController : ControllerBase
{
    private readonly CountriesDbContext _dbContext;

    public CountryController(CountriesDbContext dbContext)
    {
        _dbContext = dbContext;
    }

    
    /// <summary>
    /// Add Country
    /// </summary>
    /// <param name="country"></param>
    /// <returns>The newly created country</returns>
    /// /// <summary>
    /// Creates a Country.
    /// </summary>
    /// <remarks>
    /// Sample request:
    ///
    ///     POST /Countries
    ///     {
    ///        "code": 1,
    ///        "stateName": "United States of America",
    ///        "tld": "us"
    ///     }
    ///
    /// </remarks>
    /// <response code="201">Returns the newly created country</response>
    [ProducesResponseType(StatusCodes.Status201Created)]
    [HttpPost]
    public ActionResult AddCountry(Country country)
    {
        _dbContext.Countries.Add(country);
        _dbContext.SaveChanges();
        return CreatedAtRoute(nameof(GetCountryById),  new {countryId = country.Code}, country);
    }

    /// <summary>
    /// Updates a Country
    /// </summary>
    /// <param name="countryToUpdate">Payload with country data to update. Note that the Code is the primary key and can't be changed.</param>
    /// <returns></returns>
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(StatusCodes.Status400BadRequest)]
    [HttpPut("countries/{country.Code}")]
    public ActionResult UpdateCountry(Country countryToUpdate)
    {

        var country = _dbContext.Countries.FirstOrDefault(x => x.Code == countryToUpdate.Code);
            
        if (country != null)
        {
            var updatedCountry = new Country(country.Code, countryToUpdate.StateName, countryToUpdate.TLD);
            _dbContext.Countries.Update(updatedCountry);
            return Ok(updatedCountry);
        }
            
        return new NotFoundResult();
    }

              
    /// <summary>
    /// Get countries
    /// </summary>
    /// <returns></returns>
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [HttpGet("countries")]
    public ActionResult GetCountries()
    {
        var array = _dbContext.Countries;
            
        if (array != null)
        {
            return Ok(array.ToArray());
        }
            
        return new NotFoundResult();
    }
              
    /// <summary>
    /// Get Country by Id
    /// </summary>
    /// <param name="countryId"></param>
    /// <returns></returns>
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [HttpGet("countries/{countryId}", Name = nameof(GetCountryById))]
    public ActionResult GetCountryById(int countryId)
    {
        var array = _dbContext.Countries.FirstOrDefault(x => x.Code == countryId);
            
        if (array != null)
        {
            return Ok(array);
        }
            
        return new NotFoundResult();
    }


}