using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using Sockeye.Util;
using Sockeye.Api.ControllerHelpers;
using Sockeye.Models;
using System.Collections.Generic;
using System;
using System.Text;
using System.IO;
using System.Net.Http;

using System.Linq;
using Microsoft.Extensions.Logging;

//JSON KEY
using Org.BouncyCastle.Security;
using Org.BouncyCastle.OpenSsl;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Net.Http.Headers;

namespace Sockeye.Biz
{

    internal class GlobalBizSettingsBiz : BizObject
    {

        internal GlobalBizSettingsBiz(AyContext dbcontext, long currentUserId, long userTranslationId, AuthorizationRoles UserRoles)
        {
            ct = dbcontext;
            UserId = currentUserId;
            UserTranslationId = userTranslationId;
            CurrentUserRoles = UserRoles;
            BizType = SockType.Global;
        }

        internal static GlobalBizSettingsBiz GetBiz(AyContext ct, Microsoft.AspNetCore.Http.HttpContext httpContext = null)
        {
            if (httpContext != null)
                return new GlobalBizSettingsBiz(ct, UserIdFromContext.Id(httpContext.Items), UserTranslationIdFromContext.Id(httpContext.Items), UserRolesFromContext.Roles(httpContext.Items));
            else
                return new GlobalBizSettingsBiz(ct, 1, ServerBootConfig.SOCKEYE_DEFAULT_TRANSLATION_ID, AuthorizationRoles.BizAdmin);
        }




        ////////////////////////////////////////////////////////////////////////////////////////////////
        /// GET

        //Get one
        internal async Task<GlobalBizSettings> GetAsync(bool logTheGetEvent = true)
        {
            //first try to fetch from db
            var ret = await ct.GlobalBizSettings.AsNoTracking().SingleOrDefaultAsync(m => m.Id == 1);
            if (logTheGetEvent && ret != null)
            {
                //Log
                await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, 1, BizType, SockEvent.Retrieved), ct);
            }

            //not in db then get the default
            if (ret == null)
            {
                throw new System.Exception("GlobalBizSettingsBiz::GetAsync -> Global settings object not found in database!!");
            }
            return ret;
        }



        ////////////////////////////////////////////////////////////////////////////////////////////////
        //UPDATE
        //
        internal async Task<GlobalBizSettings> PutAsync(GlobalBizSettings putObject)
        {
            var dbObject = await GetAsync(false);
            if (dbObject == null)
                throw new System.Exception("GlobalBizSettingsBiz::PutAsync -> Global settings object not found in database. Contact support immediately!");

            if (dbObject.Concurrency != putObject.Concurrency)
            {
                AddError(ApiErrorCode.CONCURRENCY_CONFLICT);
                return null;
            }
            Validate(putObject, dbObject);
            if (HasErrors) return null;

            List<string> originalTags = dbObject.AllTags();
            List<string> newTags = putObject.AllTags();

            ct.Replace(dbObject, putObject);


            try
            {
                await ct.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                AddError(ApiErrorCode.CONCURRENCY_CONFLICT);
                return null;
            }
            //Update cache
            ServerGlobalBizSettings.Initialize(putObject, null);

            //Log modification and save context
            await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, 1, BizType, SockEvent.Modified), ct);
            await TagBiz.ProcessUpdateTagsInRepositoryAsync(ct, newTags, originalTags);

            return putObject;
        }



        ////////////////////////////////////////////////////////////////////////////////////////////////
        //VALIDATION
        //

        //Can save or update?
        private void Validate(GlobalBizSettings proposedObj, GlobalBizSettings currentObj)
        {
            //currently nothing to validate
        }





        //IMPORT FROM ROCKFISH

        public async Task ImportRockfish(AyContext ct, ILogger log)
        {
            //Authenticate to rockfish
            //string sUrl = $"{LICENSE_SERVER_URL_ROCKFISH}rvr";
            string URL_ROCKFISH = "https://rockfish.ayanova.com/";

            try
            {
                //var content = new StringContent("login=john&password=b43698c255365ee739c05ba0d42855e96c2365c76bb2f9b9eb149cec7b52174c");
                var content = new StringContent(JsonConvert.SerializeObject(new
                {
                    login = "john",
                    password = "b43698c255365ee739c05ba0d42855e96c2365c76bb2f9b9eb149cec7b52174c"
                }), Encoding.UTF8, "application/json");



                var client = ServiceProviderProvider.HttpClientFactory.CreateClient();


                //AUTHENTICATE
                var res = await client.PostAsync($"{URL_ROCKFISH}authenticate?login=john&password=b43698c255365ee739c05ba0d42855e96c2365c76bb2f9b9eb149cec7b52174c", content);
                var responseText = await res.Content.ReadAsStringAsync();

                if (res.IsSuccessStatusCode)
                {
                    log.LogInformation(responseText);
                }
                else log.LogError($"E1020 - Error authenticating to rockfish: {res.ReasonPhrase}");

                var responseJson = JObject.Parse(responseText);

                var authToken = responseJson["token"].Value<string>();
                var dlKey = responseJson["dlkey"].Value<string>();
                var userId = responseJson["id"].Value<long>();
                //client.DefaultRequestHeaders.Add("Bearer", authToken);

                var contentType = new MediaTypeWithQualityHeaderValue("application/json");
                client.DefaultRequestHeaders.Accept.Add(contentType);
                client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", authToken);


                res = await client.GetAsync($"{URL_ROCKFISH}api/customer/list");
                responseText = await res.Content.ReadAsStringAsync();
                var jaCustomerList = JArray.Parse(responseText);
                foreach (JObject jCustomerListItem in jaCustomerList)
                {
                    res = await client.GetAsync($"{URL_ROCKFISH}api/customer/{jCustomerListItem["id"].Value<long>()}");

                    var jCustomer = JObject.Parse(await res.Content.ReadAsStringAsync());

                    //SITES
                    res = await client.GetAsync($"{URL_ROCKFISH}api/customer/{jCustomerListItem["id"].Value<long>()}/sites");
                    var jaSiteList = JArray.Parse(await res.Content.ReadAsStringAsync());

                    bool multiSite = jaSiteList.Count() > 1;

                    foreach (JObject jSite in jaSiteList)
                    {
                        var CustomerName = jCustomer["name"].Value<string>();
                        if (multiSite)
                            CustomerName += " - " + jSite["name"].Value<string>();
                        long CurrentCustomerId = 0;

                        //Create customer if we don't have one already
                        if (await ct.Customer.AnyAsync(z => z.Name == CustomerName))
                            continue;//already have this one so no need to process it again
                        {
                            //CREATE CUSTOMER
                            Customer c = new Customer();
                            c.Name = CustomerName;
                            c.Country = jSite["country"].Value<string>();
                            c.Region = jSite["stateProvince"].Value<string>();
                            c.DoNotContact = jCustomer["doNotContact"].Value<bool>();
                            c.Notes = jCustomer["notes"].Value<string>();
                            c.DbId = jSite["dbId"].Value<string>();
                            if (c.DbId == "v7_no_dbid")
                            {
                                c.DbId = null;
                                c.Tags.Add("v7");
                            }
                            else
                                c.Tags.Add("raven");

                            if (jSite["hosted"].Value<bool>() == true)
                                c.Tags.Add("hosted");

                            var adminEmail = jCustomer["adminEmail"].Value<string>();
                            if (!string.IsNullOrWhiteSpace(adminEmail))
                                c.Notes += "\nAdmin Email: " + adminEmail;
                            c.EmailAddress = jCustomer["adminEmail"].Value<string>();
                            CustomerBiz biz = CustomerBiz.GetBiz(ct);
                            var NewObject = await biz.CreateAsync(c);
                            CurrentCustomerId = NewObject.Id;
                        }//customer creation


                        //SITE PURCHASES                       
                        res = await client.GetAsync($"{URL_ROCKFISH}api/site/{jSite["id"].Value<long>()}/purchases");
                        var jaPurchaseList = JArray.Parse(await res.Content.ReadAsStringAsync());

                        foreach (JObject jPurchase in jaPurchaseList)
                        {
                            //create product if not exist then import
                            //Get product id if exists
                            var ProductName = jPurchase["name"].Value<string>();
                            ProductName = ProductName.Replace("- Renewal", "").Replace(" Renewal", "").Replace(" RENEWAL", "").Replace("CANCELLED ", "").Replace("CANCELED ", "");
                            var p = await ct.Product.AsNoTracking().FirstOrDefaultAsync(z => z.VendorCode == jPurchase["productCode"].Value<string>());


                            if (p == null)
                            {

                                //Create it here
                                p = new Product();
                                p.Name = ProductName;
                                p.Active = true;//not entirely true but we can always deactivate there aren't many products
                                p.VendorId = 1;
                                p.OurCode = p.VendorCode = jPurchase["productCode"].Value<string>();

                                if (p.VendorCode == "301028468")//subscription yearly
                                {
                                    p.LicenseInterval = new TimeSpan(365, 0, 0, 0); //actual length, in license is where I pad to cover them
                                }

                                if (p.VendorCode == "301028467")//subscription monthly
                                {
                                    p.LicenseInterval = new TimeSpan(31, 0, 0, 0);//there is no concept beyond days for timespan so a month is 31 days max
                                    p.MaintInterval = new TimeSpan(31, 0, 0, 0);//the only product less than one year of maintenance save the ones with no maintenance which can be edited manually later as there are so few of them
                                }
                                else
                                    p.MaintInterval = new TimeSpan(365, 0, 0, 0);

                                ProductBiz biz = ProductBiz.GetBiz(ct);
                                p = await biz.CreateAsync(p);
                            }

                            //Now we can add the sale that we have the product
                            if (!await ct.Purchase.AnyAsync(z => z.SalesOrderNumber == jPurchase["salesOrderNumber"].Value<string>()))
                            {
                                var s = new Purchase();
                                s.VendorId = 1;
                                s.ProductId = p.Id;

                                s.CustomerId = CurrentCustomerId;
                                s.CancelDate = DateUtil.EpochToDateNullIsNull(jPurchase["cancelDate"].Value<long?>());
                                s.CouponCode = jPurchase["couponCode"].Value<string>();
                                s.ExpireDate = DateUtil.EpochToDateNullIsNull(jPurchase["expireDate"].Value<long?>());
                                s.Name = p.Name;
                                s.ProcessedDate = s.PurchaseDate = DateUtil.EpochToDateNullIsMin(jPurchase["purchaseDate"].Value<long?>());
                                s.Quantity = jPurchase["quantity"].Value<int>();
                                s.RenewNoticeSent = jPurchase["renewNoticeSent"].Value<bool>();
                                s.SalesOrderNumber = jPurchase["salesOrderNumber"].Value<string>();
                                s.VendorData = jPurchase["notes"].Value<string>();
                                PurchaseBiz biz = PurchaseBiz.GetBiz(ct);
                                await biz.CreateAsync(s);
                            }

                        }



                    }//site loop

                }//end of all customers iteration



                #region CASES
                //case projects to be tags
                List<NameIdItem> CaseProjectList = new List<NameIdItem>();
                {
                    res = await client.GetAsync($"{URL_ROCKFISH}api/rfcaseproject");
                    responseText = await res.Content.ReadAsStringAsync();

                    var jaRFCaseProjectList = JArray.Parse(responseText);
                    foreach (JObject jRFCaseProject in jaRFCaseProjectList)
                    {
                        CaseProjectList.Add(new NameIdItem() { Name = jRFCaseProject["name"].Value<string>(), Id = jRFCaseProject["id"].Value<long>() });

                    }

                }
                {
                    res = await client.GetAsync($"{URL_ROCKFISH}api/rfcase/list");
                    responseText = await res.Content.ReadAsStringAsync();
                    var jaRFCaseList = JArray.Parse(responseText);
                    foreach (JObject jRFCase in jaRFCaseList)
                    {
                        todo: iterate cases, import and tag with the caseproject name from the case project list above

                    }
                }
                #endregion cases
            }
            catch (Exception ex)
            {
                var msg = "Error importing rockfish";
                log.LogError(ex, msg);
            }


            log.LogInformation("FINISHED IMPORTING");
            //in the correct order retrieve every object and if it's not already present in sockeye, import it
            //this should be callable any time and it will just update so it can be test live in sync / parallel until ready to switch over
            //await Task.CompletedTask;

        }
        /////////////////////////////////////////////////////////////////////

    }//eoc


}//eons