using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Security.Authentication;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using MongoDB.Bson;
using Mqtt.Client.AspNetCore.Services;
using MyCore.Interfaces.DTO;
using MyCore.Interfaces.Models;
using MyCore.Service.Services;
using MyCore.Services;
using MyCore.Services.Devices;
using MyCore.Services.MyControlPanel;

namespace MyCore.Service.Controllers
{
    [Authorize] // TODO Add ROLES (Roles = "Admin")
    [Route("api/automation")]
    [ApiController]
    public class AutomationController : ControllerBase
    {
        private UserDatabaseService _UserDatabaseService;
        private AutomationDatabaseService _AutomationDatabaseService;
        private readonly IMqttClientService _mqttClientService;
        //private readonly IMqttOnlineClientService _mqttOnlineClientService;

        public AutomationController(UserDatabaseService userDatabaseService, AutomationDatabaseService automationDatabaseService, MqttClientServiceProvider provider)//, MqttClientOnlineServiceProvider onlineProvider)
        {
            this._UserDatabaseService = userDatabaseService;
            this._AutomationDatabaseService = automationDatabaseService;
            this._mqttClientService = provider.MqttClientService;
            //this._mqttOnlineClientService = onlineProvider.MqttOnlineClientService;
        }

        /// <summary>
        /// Get all automations for the specified user
        /// </summary>
        /// <param name="userId">Id of user</param> 
        [ProducesResponseType(typeof(List<RoomSummaryDTO>), 200)]
        [HttpGet("{userId}")]
        public ObjectResult GetAll(string userId)
        {
            try
            {
                List<Automation> Automations = _AutomationDatabaseService.GetAll(userId);

                List<AutomationDTO> automationDTO = Automations.Select(d => d.ToDTO()).ToList();

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

        /// <summary>
        /// Get detail info of a specified automation
        /// </summary>
        /// <param name="automationId">automation id</param>  
        [ProducesResponseType(typeof(AutomationDetailDTO), 200)]
        [HttpGet("detail/{automationId}")]
        public ObjectResult GetDetail(string automationId)
        {
            try
            {
                Automation automation = _AutomationDatabaseService.GetById(automationId);

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

        
        //// <summary>
        /// Create an automation
        /// </summary>
        /// <param name="automationCreateOrUpdateDetail">Automation to create</param>  
        [ProducesResponseType(typeof(AutomationDTO), 200)]
        [HttpPost]
        public ObjectResult Create([FromBody] AutomationCreateOrUpdateDetailDTO automationCreateOrUpdateDetail)
        {
            try
            {
                if (automationCreateOrUpdateDetail == null)
                    throw new KeyNotFoundException("Automation is null");

                AutomationDTO automationCreated = AutomationService.CreateOrUpdate(this._AutomationDatabaseService, automationCreateOrUpdateDetail.UserId, automationCreateOrUpdateDetail, true);

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


        /// <summary>
        /// Update an automation
        /// </summary>
        /// <param name="automationCreateOrUpdateDetail">automation to update</param>  
        [ProducesResponseType(typeof(AutomationCreateOrUpdateDetailDTO), 200)]
        [HttpPut]
        public ObjectResult Update([FromBody] AutomationCreateOrUpdateDetailDTO automationCreateOrUpdateDetail)
        {
            try
            {
                if (!_AutomationDatabaseService.IsExist(automationCreateOrUpdateDetail.Id))
                    throw new KeyNotFoundException("Automation does not exist");

                AutomationDTO automationUpdated = AutomationService.CreateOrUpdate(this._AutomationDatabaseService, automationCreateOrUpdateDetail.UserId, automationCreateOrUpdateDetail, false);

                return new OkObjectResult(automationUpdated);
            }
            catch (KeyNotFoundException ex)
            {
                return new BadRequestObjectResult(ex.Message) { StatusCode = 404 };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Delete an automation
        /// </summary>
        /// <param name="automationId">Id of automation to delete</param>  
        [HttpDelete("{automationId}")]
        public ObjectResult Delete(string automationId)
        {
            try
            {
                if (automationId != null)
                {
                    if (_AutomationDatabaseService.IsExist(automationId))
                    {
                        _AutomationDatabaseService.Remove(automationId);
                    }
                }

                return new OkObjectResult(201);
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Delete all automation for a specified
        /// </summary>
        /// <param name="userId">Id of user</param>  
        [HttpDelete("user/{userId}")]
        public ObjectResult DeleteAllForUser(string userId)
        {
            try
            {
                if (userId != null)
                {
                    if (_UserDatabaseService.IsExist(userId))
                    {
                        _AutomationDatabaseService.RemoveForUser(userId);
                    }
                }

                return new OkObjectResult(201);
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }
    }
}