using Cloud_Manager;
using Cloud_Manager.Models.CustomModels;
using Cloud_Manager.Models.Enums;
using Cloud_Manager.Models.Interfaces;
using Cloud_Manager.Models.POSModels;
using Microsoft.EntityFrameworkCore;
using Microsoft.Net.Http.Headers;
using MySqlConnector;
using System.Data;
using System.Data.Common;
using System.Text.Json;

namespace Cloud_Manager.Services
{
    public class ProductRepo : IProduct
    {
        private readonly BiskAcdbContext m_context;
        private readonly IKeyService m_tokenService;
        private readonly HttpContext m_httpContext;

        public event EventHandler ProductsChanged;
        public event EventHandler UnitsChanged;
        public event EventHandler BrandsChanged;
        public event EventHandler CategoriesChanged;

        public ProductRepo(BiskAcdbContext a_context, IKeyService a_tokenService, IHttpContextAccessor a_httpContextAccessor)
        {
            m_context = a_context;
            m_tokenService = a_tokenService;
            m_httpContext = a_httpContextAccessor?.HttpContext;
        }
        /// <summary>
        /// Gets all products from the server
        /// </summary>
        /// <returns></returns>
        public IEnumerable<ProductItem> GetProducts(string a_productKey = "")
        {
            throw new NotImplementedException();
        }
        private List<ProductUnits> GetAltUnits(DbDataReader a_reader)
        {
            throw new NotImplementedException();
        }

        public IEnumerable<Unitofmeasure> GetUnitofmeasures()
        {
            throw new NotImplementedException();
        }



        public IEnumerable<Tblbrand> GetBrands(string a_brandKey = "")
        {
            throw new NotImplementedException();
        }

        public IEnumerable<Tblcategory> GetCategories(string a_categoryKey = "")
        {
            throw new NotImplementedException();
        }
        public async Task SyncProducts(List<Tblproduct> a_item)
        {
            try
            {
                string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
                if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
                {
                    string jsonString = JsonSerializer.Serialize(a_item);
                    using (var command = m_context.Database.GetDbConnection().CreateCommand())
                    {
                        m_context.Database.OpenConnection();

                        command.CommandText = "CALL ProductSync(@p0)";
                        command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                        command.ExecuteNonQuery();
                    }
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }

        public async Task SyncInventory(List<Tblinventory> a_item)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_item);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL InventorySync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncInventoryEntries(List<Tblinventoryentry> a_item)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_item);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL InventoryEntriesSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncPriceChanges(List<Tblpricechange> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL PriceChangeSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncProductAltUnit(List<Productaltunit> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL ProductAltUnitSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncRestockAsync(List<Restocklevel> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL RestockLevelsSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncUnitOfMeasureAsync(List<Unitofmeasure> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL UnitOfMeasureSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncStockAsync(List<Tbstock> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL StockSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncBrandsAsync(List<Tblbrand> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL BrandSync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }

        public async Task SyncCategoriesAsync(List<Tblcategory> a_items)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string jsonString = JsonSerializer.Serialize(a_items);
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL CategorySync(@p0)";
                    command.Parameters.Add(new MySqlParameter("@p0", jsonString));
                    command.ExecuteNonQuery();
                }
            }
        }
        public DateTime GetLastSyncDate(string a_tablename)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string activeBranch = m_tokenService.GetBaseBranch(apiKey)!;
                DateTime? lastSync = m_context.Tblsyncinfos.FirstOrDefault(p => p.TableName == a_tablename && p.BranchId == activeBranch!)?.LastSyncDate;

                if (lastSync != null)
                {
                    return (DateTime)lastSync!;
                }
            }
            return new DateTime(2000, 01, 01);
        }

        public void SetLastSyncDate(string a_tableName, DateTime a_timestamp)
        {
            string apiKey = m_httpContext.Request.Headers["BISK-API-KEY"]!;
            if (AuthEnums.Valid == m_tokenService.ValidateKey(apiKey))
            {
                string activeBranch = m_tokenService.GetBaseBranch(apiKey)!;
                using (var command = m_context.Database.GetDbConnection().CreateCommand())
                {
                    m_context.Database.OpenConnection();

                    command.CommandText = "CALL SetTableLastSync(@p0,@p1,@p2)";
                    command.Parameters.Add(new MySqlParameter("@p0", a_tableName));
                    command.Parameters.Add(new MySqlParameter("@p1", activeBranch));
                    command.Parameters.Add(new MySqlParameter("@p2", a_timestamp));
                    command.ExecuteNonQuery();
                }
            }

        }
        #region Only Need to implement in the client Side
        public Task FetchUnits()
        {
            throw new NotImplementedException();
        }
        public Task FetchProducts()
        {
            throw new NotImplementedException();
        }

        public ProductItem GetProductById(string a_id)
        {
            throw new NotImplementedException();
        }

        public ProductItem GetProductByName(string name)
        {
            throw new NotImplementedException();
        }

        public void RefreshList()
        {
            throw new NotImplementedException();
        }

        public string GetUnitName(string a_unitCode)
        {
            throw new NotImplementedException();
        }
        public Task FetchBrands()
        {
            throw new NotImplementedException();
        }

        public Task FetchCategories()
        {
            throw new NotImplementedException();
        }

        public IEnumerable<ProductItem> GetLowstockItems()
        {
            throw new NotImplementedException();
        }

        public Task FetchLowStockProducts()
        {
            throw new NotImplementedException();
        }
    }
    #endregion
}