using Infrastructure.Data;
using Infrastructure.Extensions;
using IoT.Shared.Application.Domain.Entities;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using System;
using System.ComponentModel.DataAnnotations;
using System.Linq;

namespace Platform.Apis.Controllers
{
    [ApiVersion("1.0")]
    [Route("api/v{version:apiVersion}/[controller]/[action]")]
    [ApiController]
    public class ProductController : ControllerBase
    {
        private readonly IRepository<BuildingIoTGateway> _buildingIoTGatewayRepo;
        private readonly IRepository<IoTProduct> _productRepo;
        private readonly IRepository<IoTGateway> _nodeRepo;
        private readonly IRepository<IoTDevice> _deviceRepo;

        public ProductController(IRepository<BuildingIoTGateway> buildingIoTGatewayRepo,
            IRepository<IoTProduct> productRepo,
            IRepository<IoTGateway> nodeRepo,
            IRepository<IoTDevice> deviceRepo)
        {
            this._buildingIoTGatewayRepo = buildingIoTGatewayRepo;
            this._productRepo = productRepo;
            this._nodeRepo = nodeRepo;
            this._deviceRepo = deviceRepo;
        }

        [HttpPost]
        public ActionResult GetProducts(string organNumber)
        {
            try
            {
                var model = this._buildingIoTGatewayRepo.ReadOnlyTable()
                                .WhereIf(!string.IsNullOrEmpty(organNumber), o => o.Building.Organ.Number == organNumber)
                                .SelectMany(o => o.IoTGateway.Devices)
                                .GroupBy(o => new
                                {
                                    o.Product.Id,
                                    o.Product.Name,
                                    o.Product.Number,
                                    o.Product.Image,
                                    o.Product.DisplayOrder
                                })
                                .Select(o => new
                                {
                                    o.Key.Id,
                                    o.Key.Name,
                                    o.Key.Number,
                                    o.Key.Image,
                                    o.Key.DisplayOrder,
                                    Count = o.Count()
                                })
                                .ToList();
                return Ok(model);
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Problem(ex.Message);
            }
        }

        [HttpPost]
        public ActionResult GetProduct([Required(ErrorMessage = nameof(RequiredAttribute))] string number, string organNumber)
        {
            try
            {
                var model = this._productRepo.ReadOnlyTable().Where(o => o.Number == number).FirstOrDefault();
                model.Devices = this._buildingIoTGatewayRepo.ReadOnlyTable()
                                .WhereIf(!string.IsNullOrEmpty(organNumber), o => o.Building.Organ.Number == organNumber)
                                .SelectMany(o => o.IoTGateway.Devices)
                                .Include(o => o.Node)
                                .Include(o => o.Data)
                                .ToList()
                                .Where(o => o.ProductId == model.Id)
                                .ToList();
                return Ok(model);
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Problem(ex.Message);
            }
        }

        [HttpPost]
        public IActionResult GetSummary(string organNumber)
        {
            try
            {
                var products = this._buildingIoTGatewayRepo.ReadOnlyTable()
                                .WhereIf(!string.IsNullOrEmpty(organNumber), o => o.Building.Organ.Number == organNumber)
                                .SelectMany(o => o.IoTGateway.Devices)
                                .GroupBy(o => o.Product.Name)
                                .Select(o => new
                                {
                                    Name = o.Key,
                                    Online = o.Sum(c => c.IsOnline ? 1 : 0),
                                    Offline = o.Sum(c => c.IsOnline ? 0 : 1),
                                })
                                .ToList()
                                .Select(o => new
                                {
                                    o.Name,
                                    o.Online,
                                    o.Offline,
                                    Total = o.Online + o.Offline
                                });
                return Ok(new
                {
                    Total = products.Sum(o => o.Total),
                    Online = products.Sum(o => o.Online),
                    Offline = products.Sum(o => o.Offline),
                    Products = products
                });
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Problem(ex.Message);
            }
        }
    }
}