using BuddyFinance.Admin.Areas.Admin.Models;
using BuddyFinance.Admin.Controllers;
using BuddyFinance.Admin.Models;
using BuddyFinance.Common.Integration;
using BuddyFinance.Integration.Models;
using BuddyFinance.Integration.Models.Enums;
using BuddyFinance.Integration.Models.LoanRequests;
using BuddyFinance.Integration.Models.Loans;
using BuddyFinance.Integration.Models.Lookups;
using BuddyFinance.Integration.Models.PreLoanRequests;
using BuddyFinance.Integration.Models.Transactions;
using BuddyFinance.Model;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.Linq;

namespace BuddyFinance.Admin.Areas.Admin.Controllers
{
    [Area("Admin")]
    public class LoansController : BaseController
    {
        public LoansController(IConfiguration configuration, BuddyFinanceDbContext dbContext)
            : base(configuration, dbContext)
        {
            masterUrl = $"{Configuration.GetValue<string>("apiRootUrl", "")}loans/";
        }

        private string masterUrl;

        public IActionResult Index(int? offerId)
        {
            var loans = new List<LoanModel>();

            var helperResponse = offerId == null ? WebApiHelper.Get<GetLoansResult>(masterUrl, "getall", _token)
                                                : WebApiHelper.Get<GetLoansResult>(masterUrl, "offerloans?offerId=" + offerId, _token);

            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                    loans = apiResponse.Result;
                else
                    ViewBag.Message = "Could not get loans";
            }
            else
                ViewBag.Message = "Could not get loans";

            if (offerId != null)
                ViewData["isOffer"] = true;

            return View(loans);
        }

        public IActionResult Applications()
        {
            var requests = new List<PreLoanRequestModel>();

            var apiResponse_2 = WebApiHelper.Get<GetPreLoanRequestsResults>(masterUrl, "loanrequestapplications", _token);
            if (apiResponse_2.ErrorCode == 0)
            {
                var response = apiResponse_2.Result;

                if (response.ErrorCode == 0)
                {
                    requests = response.Result;
                }
            }
            return View(requests);
        }

        public IActionResult Manage(int id)
        {
            var loan = new LoanModel();

            var helperResponse = WebApiHelper.Get<GetLoanResult>(masterUrl, $"getloan/{id}", SessionManager.Current?.CurrentUser.AccessToken);
            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                {
                    loan = apiResponse.Result;

                }
                else
                    ViewBag.Message = "Could not get loan deatils";
            }
            else
                ViewBag.Message = "Could not get loan details";

            return View(loan);
        }

        public IActionResult ManageRequestLoan(string loanRequestId)
        {
            var loan = new LoanModel();

            var helperResponse = WebApiHelper.Get<GetLoanResult>(masterUrl, $"getRequestLoan?loanRequestId={loanRequestId}", SessionManager.Current?.CurrentUser.AccessToken);
            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                {
                    loan = apiResponse.Result;

                }
                else
                    ViewBag.Message = "Could not get loan deatils";
            }
            else
                ViewBag.Message = "Could not get loan details";

            return View("Manage", loan);
        }

        [HttpPost]
        [ActionName("ApproveLoan")]
        public IActionResult AcceptConfimerd(int id)
        {
            var success = false;
            var message = "";

            var helperresponse = WebApiHelper.Post<AcceptLoanRequest>(masterUrl, $"accept/{id}", null, SessionManager.Current?.CurrentUser.AccessToken);
            if (helperresponse.ErrorCode == 0)
            {
                var apiResponse = helperresponse.Result;

                if (apiResponse.ErrorCode == 0)
                    success = apiResponse.Result;
                else
                    message = apiResponse.ErrorMessage; //"Withdrawal request can not be found.";
            }
            else
                message = helperresponse.ErrorMessage;

            return Json(new { success, message });
        }

        public IActionResult Repayments(int loanId)
        {
            var success = false;
            var message = "";

            var helperResponse = WebApiHelper.Get<GetLoanRepaymentsResult>(masterUrl, "getrepayments?loanId=" + loanId, SessionManager.Current?.CurrentUser.AccessToken);

            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                    return PartialView("_Repayments", apiResponse.Result);
                else
                    message = "Could not get loan repayements" + apiResponse.ErrorMessage;
            }
            else
                message = "Could not get loan repayements" + helperResponse.ErrorMessage;

            return Json(new { success, message });
        }

        public IActionResult UpdateRepayment(int loanId, int? repaymentId)
        {
            LoanRepaymentModel model = new LoanRepaymentModel
            {
                LoanId = loanId,
                PaymentDate = DateTime.Now,
                LoanrepaymentStatusId = (int)LoanRepaymentStatusEnum.Paid
            };

            var helperResponse = WebApiHelper.Get<GetLoanRepaymentResult>(masterUrl, "getrepayment?repaymentId=" + repaymentId, SessionManager.Current?.CurrentUser.AccessToken);

            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                    model = apiResponse.Result;
                else
                    ViewBag.Message = "Could not get loan repayment";
            }
            else
                ViewBag.Message = "Could not get loan repayment";

            PopulateLists(loanId);
            return PartialView(model);
        }

        public void PopulateLists(int loanId = 0)
        {
            var message = "";

            //var helperResponse = WebApiHelper.Get<LookUpResult>(masterUrl.Replace("loans", "master"), "loanrepaymentstatuses", SessionManager.Current?.CurrentUser.AccessToken);

            //if (helperResponse.ErrorCode == 0)
            //{
            //    var apiResponse = helperResponse.Result;

            //    if (apiResponse.ErrorCode == 0)
            //        ViewBag.Repaymentstatuses = apiResponse.Result.ConvertAll(m => new SelectListItem
            //        {
            //            Value = m.Id.ToString(),
            //            Text = m.Description
            //        });
            //    else
            //        message = "Could not get loan repayment status list";
            //}
            //else
            //    message = "Could not get loan repayment status list";

            if (loanId != 0)
            {
                var helperResponse2 = WebApiHelper.Get<BaseResult<List<LoanScheduleModel>>>(masterUrl, "getschedule?loanId=" + loanId, SessionManager.Current?.CurrentUser.AccessToken);

                if (helperResponse2.ErrorCode == 0)
                {
                    var apiResponse = helperResponse2.Result;
                    //.Where(m => m.StatusId !=  (int)LoanScheduleStatusEnum.Completed).ToList()
                    if (apiResponse.ErrorCode == 0)
                    {
                        ViewBag.Schedules = apiResponse.Result.ConvertAll(m => new SelectListItem
                        {
                            Value = m.Id.ToString(),
                            Text = $"{m.Description} (balance - {m.Balance:C2})"
                        });
                    }
                    else
                    {
                        message = "Could not get loan repayment status list";
                    }
                }
                else
                    message = "Could not get loan repayements" + helperResponse2.ErrorMessage;
            }

        }

        public IActionResult UpdateStatus(int loanId, string currentStatus)
        {
            var model = new UpdateLoanStatusViewModel
            {
                LoanId = loanId,
                CurrentStatus = currentStatus
            };

            var helperResponse = WebApiHelper.Get<LookUpResult>(masterUrl.Replace("loans", "master"), "loanstatuses", SessionManager.Current?.CurrentUser.AccessToken);

            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                {
                    var statusList  = apiResponse.Result.Where(m => !m.Description.Equals(currentStatus)).ToList().ConvertAll(m => new SelectListItem
                    {
                        Value = m.Id.ToString(),
                        Text = m.Description
                    });

                    if (currentStatus.Equals(LoanStatusEnum.Active.ToString(), StringComparison.OrdinalIgnoreCase))
                    {
                        statusList = statusList.Where(m => !m.Text.Equals(LoanStatusEnum.Pending.ToString())
                                                           && !m.Value.Equals(((int)LoanStatusEnum.Deactive).ToString())).ToList();
                    }

                    ViewBag.Statuses = statusList;
                }
                else
                {
                    ViewBag.Message = "Could not get loan repayment status list";
                }
            }
            else
                ViewBag.Message = "Could not get loan repayment status list";

            return PartialView(model);
        }

        public IActionResult AllocatePayout(int loanId)
        {
            //double loanAmount = 0;
            var model = new LoanPayoutModel
            {
                LoanId = loanId,
                PayoutDate = DateTime.Now
            };

            //if (loanId != 0)
            //{
            var helperResponse = WebApiHelper.Get<GetLoanResult>(masterUrl, $"getloan/{loanId}", SessionManager.Current?.CurrentUser.AccessToken);
            if (helperResponse.ErrorCode == 0)
            {
                var apiResponse = helperResponse.Result;

                if (apiResponse.ErrorCode == 0)
                {
                    if (apiResponse.Result.LoanPayout != null)
                    {
                        model.PayoutDate = apiResponse.Result.LoanPayout.PayoutDate;
                        model.Amount = apiResponse.Result.LoanPayout.Amount;
                    }
                    else
                    {
                        model.Amount = apiResponse.Result.LoanAmount;
                    }

                }
                else
                    ViewBag.Message = "Could not get loans";
            }
            else
                ViewBag.Message = "Could not get loans";
            //}


            return PartialView(model);
        }

        public IActionResult Statement(int loanId)
        {
            var model = new List<Integration.Models.Transactions.Transaction>();
            var apiResponse = WebApiHelper.Get<GetTransactionsResult>(API_BASE + "transactions/", "loantransactions?loanId=" + loanId, _token);

            if (apiResponse.ErrorCode == 0)
            {
                var result = apiResponse.Result;
                if (result.ErrorCode == 0)
                {
                    model = result.Result;
                    return PartialView("_StatementPartialView", model);
                }
                else
                {
                    return Json(new { success = false, message = $"could not load statement. {result.ErrorMessage}" });
                }
            }
            else
            {
                ViewData["Message"] = $"could not load statement. {apiResponse.ErrorMessage}";
                return Json(new { success = false, message = $"could not load statement. {apiResponse.ErrorMessage}" });

            }
        }

        public IActionResult Deactivate(int loanId)
        {
            return PartialView(new DeactivateLoanViewModel
            {
                LoanId = loanId
            });

            //var success = false;
            //var message = "";
            //var helperresponse = WebApiHelper.Post<DeactivateLoanResults>(masterUrl, $"DeactivateLoan?loanId=" + loanId+" &comment"+comment,SessionManager.Current?.CurrentUser.AccessToken);
            //if (helperresponse.ErrorCode == 0)
            //{
            //    var apiResponse = helperresponse.Result;

            //    if (apiResponse.ErrorCode == 0)
            //        success = apiResponse.Result;
            //    else
            //        message = apiResponse.ErrorMessage;
            //}
            //else
            //    message = helperresponse.ErrorMessage;

            //return Json(new { success, message });

        }
    }
}