using AutoMapper;
using Microsoft.AspNetCore.Mvc;
using Microsoft.SelfService.Portal.Core.API.Dto.Environment.Add;
using Microsoft.SelfService.Portal.Core.API.Dto.Environment.Edit;
using Microsoft.SelfService.Portal.Core.API.Dto.Environment.Get;
using Microsoft.SelfService.Portal.Core.API.Dto.Service.Get;
using Microsoft.SelfService.Portal.Core.API.Dto.Template.Get;
using Microsoft.SelfService.Portal.Core.API.Interfaces;
using Microsoft.SelfService.Portal.Core.API.Models;

namespace Microsoft.SelfService.Portal.Core.API.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class EnvironmentController : Controller
    {
        private readonly IEnvironmentInterface _environmentInterface;
        private readonly IMapper _mapper;

        public EnvironmentController(IEnvironmentInterface environmentInterface, IMapper mapper)
        {
            _environmentInterface = environmentInterface;
            _mapper = mapper;
        }

        [HttpGet]
        [ProducesResponseType(200, Type = typeof(IEnumerable<EnvironmentModel>))]
        public IActionResult GetEnvironments()
        {
            var environments = _mapper.Map<List<GetEnvironmentDto>>(_environmentInterface.GetEnvironments());
            
            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            return Ok(environments);
        }

        [HttpGet("{Id}")]
        [ProducesResponseType(200, Type = typeof(EnvironmentModel))]
        [ProducesResponseType(400)]
        public IActionResult GetEnvironmentByID(Guid Id)
        {

            if (!_environmentInterface.CheckEnvironmentById(Id))
                return NotFound();

            var environment = _mapper.Map<GetEnvironmentDetailsDto>(_environmentInterface.GetEnvironmentById(Id));

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            return Ok(environment);
        }

        [HttpPost]
        [ProducesResponseType(204)]
        [ProducesResponseType(400)]
        public IActionResult AddEnvironmentById([FromBody] AddEnvironmentDto environment)
        {

            if (environment == null)
                return BadRequest(ModelState);

            if (_environmentInterface.CheckEnvironmentByName(environment.Name))
            {
                ModelState.AddModelError("", "Domain already exists");
                return StatusCode(422, ModelState);
            }

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            var environmentMap = _mapper.Map<EnvironmentModel>(environment);

            if (!_environmentInterface.AddEnvironmentById(environmentMap))
            {
                ModelState.AddModelError("", "Something went wrong while saving");
                return StatusCode(500, ModelState);
            }

            return Ok("Successfully created");
        }

        [HttpDelete("{Id}")]
        [ProducesResponseType(204)]
        [ProducesResponseType(400)]
        [ProducesResponseType(404)]
        public IActionResult DeleteEnvironmentById(Guid Id)
        {
            if (!_environmentInterface.CheckEnvironmentById(Id))
                return NotFound();

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            var domain = _environmentInterface.GetEnvironmentById(Id);

            if (!_environmentInterface.DeleteEnvironmentById(domain))
            {
                ModelState.AddModelError("", "Something went wrong while deleting");
                return StatusCode(500, ModelState);
            }
            return NoContent();
        }

        [HttpPut("{Id}")]
        [ProducesResponseType(204)]
        [ProducesResponseType(400)]
        [ProducesResponseType(404)]
        public IActionResult EditDomainById(Guid Id, [FromBody] EditEnvironmentDto environment)
        {
            if (environment == null)
                return BadRequest(ModelState);

            if (!_environmentInterface.CheckEnvironmentById(Id))
                return NotFound();

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            var environmentMap = _mapper.Map<EnvironmentModel>(environment);
            environmentMap.Id = Id;

            if (!_environmentInterface.EditEnvironmentById(environmentMap))
            {
                ModelState.AddModelError("", "Something went wrong");
                return StatusCode(500, ModelState);
            }

            return NoContent();
        }

        [HttpGet("{Id}/Domains")]
        [ProducesResponseType(200, Type = typeof(EnvironmentModel))]
        [ProducesResponseType(400)]
        public IActionResult GetLinkedDomainsByEnvironmentId(Guid Id)
        {

            if (!_environmentInterface.CheckEnvironmentById(Id))
                return NotFound();

            var environment = _mapper.Map<GetEnvironmentDomainDto>(_environmentInterface.GetLinkedDomainsByEnvironmentId(Id));

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            return Ok(environment);
        }

        [HttpGet("{Id}/Templates")]
        [ProducesResponseType(200, Type = typeof(IEnumerable<TemplateModel>))]
        public IActionResult GetAvailableTemplatesByEnvironmentId(Guid Id)
        {
            var templates = _mapper.Map<List<GetTemplateDetailsDto>>(_environmentInterface.GetAvailableTemplatesByEnvironmentId(Id));

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            return Ok(templates);
        }
    }
}