using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Manager.Interfaces.DTO;
using Manager.Interfaces.Models;
using Manager.Services;
using ManagerService.Service.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using NSwag.Annotations;

namespace ManagerService.Controllers
{
    [Authorize] // TODO Add ROLES (Roles = "Admin")
    [Route("[controller]")]
    [ApiController]
    [OpenApiTag("Display", Description = "Display management")]
    public class DisplayController : ControllerBase
    {
        private DisplayDatabaseService _displayService;
        private readonly ILogger<DisplayController> _logger;

        public DisplayController(ILogger<DisplayController> logger, DisplayDatabaseService displayService)
        {
            _logger = logger;
            _displayService = displayService;
        }

        /// <summary>
        /// Get a list of all display (summary)
        /// </summary>
        [ProducesResponseType(typeof(List<DisplayDTO>), 200)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpGet]
        public ObjectResult Get()
        {
            try
            {
                List<Display> displays = _displayService.GetAll();

                return new OkObjectResult(displays.Select(r => r.ToDTO()));
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }


        /// <summary>
        /// Get a specific display 
        /// </summary>
        /// <param name="id">id display</param>  
        [AllowAnonymous]
        [ProducesResponseType(typeof(DisplayDTO), 200)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpGet("{id}")]
        public ObjectResult GetDetail(string id)
        {
            try
            {
                Display display = _displayService.GetById(id);

                if (display == null)
                    throw new KeyNotFoundException("This display was not found");

                return new OkObjectResult(display.ToDTO());
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) {};
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Create a new display
        /// </summary>
        /// <param name="newDisplay">New display info</param>  
        [ProducesResponseType(typeof(RessourceDetailDTO), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 409)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPost]
        public ObjectResult Create([FromBody] DisplayDTO newDisplay)
        {
            try
            {
                if (newDisplay == null)
                    throw new ArgumentNullException("Display param is null");

                // Todo add some verification ? 
                Display display = new Display();
                display.Label = newDisplay.Label;
                display.PrimaryColor = newDisplay.PrimaryColor;
                display.SecondaryColor = newDisplay.SecondaryColor;
                display.SectionIds = newDisplay.SectionIds;
                display.DateCreation = DateTime.Now;

                Display displayCreated = _displayService.Create(display);

                return new OkObjectResult(displayCreated.ToDTO());
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) {};
            }
            catch (InvalidOperationException ex)
            {
                return new ConflictObjectResult(ex.Message) {};
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }


        /// <summary>
        /// Update a display
        /// </summary>
        /// <param name="updatedDisplay">Display to update</param>  
        [ProducesResponseType(typeof(DisplayDTO), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPut]
        public ObjectResult Update([FromBody] DisplayDTO updatedDisplay)
        {
            try
            {
                if (updatedDisplay == null)
                    throw new ArgumentNullException("Display param is null");

                Display display = _displayService.GetById(updatedDisplay.Id);

                if (display == null)
                    throw new KeyNotFoundException("Display does not exist");

                // Todo add some verification ? 
                display.Label = updatedDisplay.Label;
                display.PrimaryColor = updatedDisplay.PrimaryColor;
                display.SecondaryColor = updatedDisplay.SecondaryColor;
                display.SectionIds = updatedDisplay.SectionIds;

                Display displayModified = _displayService.Update(updatedDisplay.Id, display);

                return new OkObjectResult(displayModified.ToDTO());
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) {};
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) {};
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }


        /// <summary>
        /// Delete a display
        /// </summary>
        /// <param name="id">Id of display to delete</param>  
        [ProducesResponseType(typeof(string), 202)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpDelete("{id}")]
        public ObjectResult Delete(string id)
        {
            try
            {
                if (id == null)
                    throw new ArgumentNullException("Display param is null");

                if (!_displayService.IsExist(id))
                    throw new KeyNotFoundException("Display does not exist");

                _displayService.Remove(id);

                return new ObjectResult("The display has been deleted") { StatusCode = 202 };

            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }
    }
}