using AutoMapper;
using Microsoft.AspNetCore.Mvc;
using Microsoft.SelfService.Portal.Core.API.Dto.TemplateCategory.Add;
using Microsoft.SelfService.Portal.Core.API.Dto.TemplateCategory.Edit;
using Microsoft.SelfService.Portal.Core.API.Dto.TemplateCategory.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 TemplateCategoryController : Controller
    {
        private readonly IMapper _mapper;
        private readonly ITemplateCategoryInterface _templateCategoryInterface;

        public TemplateCategoryController(IMapper mapper, ITemplateCategoryInterface templateCategoryInterface)
        {
            _mapper = mapper;
            _templateCategoryInterface = templateCategoryInterface;
        }

        [HttpGet]
        [ProducesResponseType(200, Type = typeof(IEnumerable<TemplateCategoryModel>))]
        public IActionResult GetTemplateCategories()
        {
            var templateCategories = _mapper.Map<List<GetTemplateCategoryDto>>(_templateCategoryInterface.GetTemplateCategories());

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

            return Ok(templateCategories);
        }

        [HttpGet("{Id}")]
        [ProducesResponseType(200, Type = typeof(TemplateCategoryModel))]
        [ProducesResponseType(404)]
        public IActionResult GetTemplateCategoryById(Guid Id)
        {
            if (!_templateCategoryInterface.CheckTemplateCategoryById(Id))
                return NotFound();

            var templateCategory = _mapper.Map<GetTemplateCategoryDetailsDto>(_templateCategoryInterface.GetTemplateCategoryById(Id));

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

            return Ok(templateCategory);
        }

        [HttpPost]
        [ProducesResponseType(200)]
        [ProducesResponseType(400)]
        public IActionResult AddTemplateCategoryById([FromBody] AddTemplateCategoryDto templateCategory)
        {
            if (templateCategory == null)
                return BadRequest(ModelState);

            if (_templateCategoryInterface.CheckTemplateCategoryByName(templateCategory.Name))
            {
                ModelState.AddModelError("", "TemplateCategory already exists");
                return StatusCode(422, ModelState);
            }

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

            var templateCategoryMap = _mapper.Map<TemplateCategoryModel>(templateCategory);

            if (!_templateCategoryInterface.AddTemplateCategoryById(templateCategoryMap))
            {
                ModelState.AddModelError("", "Something went wrong while saving");
                return StatusCode(500, ModelState);
            }

            return Ok(templateCategoryMap.Id);
        }

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

            if (!_templateCategoryInterface.CheckTemplateCategoryById(Id))
                return NotFound();

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

            var templateCategoryMap = _mapper.Map<TemplateCategoryModel>(templateCategory);
            templateCategoryMap.Id = Id;

            if (!_templateCategoryInterface.EditTemplateCategoryById(templateCategoryMap))
            {
                ModelState.AddModelError("", "Something went wrong");
                return StatusCode(500, ModelState);
            }

            return NoContent();
        }

        [HttpDelete("{Id}")]
        [ProducesResponseType(204)]
        [ProducesResponseType(400)]
        [ProducesResponseType(404)]
        public IActionResult DeleteTemplateCategoryById(Guid Id)
        {
            if (!_templateCategoryInterface.CheckTemplateCategoryById(Id))
                return NotFound();

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

            var templateCategory = _templateCategoryInterface.GetTemplateCategoryById(Id);

            if (!_templateCategoryInterface.DeleteTemplateCategoryById(templateCategory))
            {
                ModelState.AddModelError("", "Something went wrong while deleting");
                return StatusCode(500, ModelState);
            }

            return NoContent();
        }
    }
}