using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using MongoDB.Bson;
using MyCore.Interfaces.Models;
using MyCore.Services;

namespace MyCore.Controllers
{
    [Authorize] // TODO Add ROLES (Roles = "Admin")
    [Route("api/device/screen")]
    [ApiController]
    public class ScreenDeviceController : ControllerBase
    {
        private readonly ScreenDeviceDatabaseService _ScreenDeviceDatabaseService;

        public ScreenDeviceController(ScreenDeviceDatabaseService ScreenDeviceDatabaseService)
        {
            _ScreenDeviceDatabaseService = ScreenDeviceDatabaseService;
        }

        /// <summary>
        /// Get all screen devices
        /// </summary>
        [ProducesResponseType(typeof(List<ScreenDevice>), 200)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpGet]
        public ObjectResult GetAllScreenDevices()
        {
            try
            {
                List<ScreenDevice> screenDevices = _ScreenDeviceDatabaseService.GetAll();

                return new OkObjectResult(screenDevices);
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Get screen device info
        /// </summary>
        /// <param name="screenDeviceId">Id of the screen device you want to get information</param>
        [ProducesResponseType(typeof(ScreenDevice), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpGet("{screenDeviceId}")]
        public ObjectResult GetDeviceInfo(string screenDeviceId)
        {
            try
            {
                if (screenDeviceId == null)
                    throw new ArgumentNullException("Incorrect parameters");

                ScreenDevice screenDevice = _ScreenDeviceDatabaseService.GetInfo(screenDeviceId);
                if (screenDevice == null)
                    throw new KeyNotFoundException("Screen device not found");

                return new OkObjectResult(screenDevice);
            }
            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>
        /// Create screen device
        /// </summary>
        /// <param name="screenDevice">Screen device to create</param>  
        [ProducesResponseType(typeof(ScreenDevice), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [HttpPost]
        public ObjectResult CreateDevice([FromBody] ScreenDevice screenDevice)
        {
            try
            {
                if (screenDevice == null)
                    throw new ArgumentNullException("Incorrect parameters");

                _ScreenDeviceDatabaseService.Create(screenDevice);

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

        /// <summary>
        /// Update screen device
        /// </summary>
        /// <param name="screenDevice">Screen device to update</param>  
        [ProducesResponseType(typeof(ScreenDevice), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPut()]
        public ObjectResult UpdateDevice([FromBody] ScreenDevice screenDevice)
        {
            try
            {
                if (screenDevice == null)
                    throw new ArgumentNullException("Incorrect parameters");

                if (!_ScreenDeviceDatabaseService.IsExist(screenDevice.Id))
                    throw new KeyNotFoundException("Screen device does not exist");

                _ScreenDeviceDatabaseService.Update(screenDevice.Id, screenDevice);

                return new OkObjectResult(screenDevice);
            }
            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 device
        /// </summary>
        /// <param name="deviceId">Screen device id to update</param>  
        [ProducesResponseType(typeof(string), 202)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpDelete("{deviceId}")]
        public ObjectResult DeleteDevice(string deviceId)
        {
            try
            {
                if (deviceId == null)
                    throw new ArgumentNullException("Incorrect parameters");

                if (!_ScreenDeviceDatabaseService.IsExist(deviceId))
                    throw new KeyNotFoundException("Device does not exist");

                _ScreenDeviceDatabaseService.Remove(deviceId);

                return new ObjectResult("The screen device has been successfully 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 };
            }
        }
    }
}