using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using HRM.BO;
using HRM.DA;
using Microsoft.AspNetCore.Authorization;

namespace HRM.UI.Controllers.Payroll
{
    [Route("api/Loan")]
    [ApiController]
    [Authorize]
    public class LoanController : ControllerBase
    {
        private readonly ILoanService _loanService;
        private readonly ILoanEmployeeDocService _employeeDocService;
        private readonly ILoanIssueService _loanIssueService;
        private readonly ILoanParameterService _loanParameterService;
        private readonly ILoanScheduleService _loanScheduleService;

        public LoanController(ILoanService loanService,
            ILoanEmployeeDocService loanEmployeeDocService,
            ILoanIssueService loanIssueService,
            ILoanParameterService loanParameterService,
            ILoanScheduleService loanScheduleService)
        {
            this._loanService = loanService;
            this._employeeDocService = loanEmployeeDocService;
            this._loanIssueService = loanIssueService;
            this._loanParameterService = loanParameterService;
            this._loanScheduleService = loanScheduleService;
        }

        // loan
        [HttpGet("getLoanById/{id}")]
        public ActionResult GetLoanById(int id)
        {
            Loan loan = new Loan();
            try
            {
                loan = _loanService.Get(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loan);
        }

        [HttpGet("getLoanListByStatus/{status}")]
        public ActionResult GetLoanListByStatus(EnumStatus status)
        {
            List<Loan> loans = new List<Loan>();
            try
            {
                loans = _loanService.Get(status);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loans);
        }

        [HttpGet("getLoanByLoanNo/{loanNo}")]
        public ActionResult GetLoanByLoanNo(string loanNo)
        {
            Loan loan = new Loan();
            try
            {
                loan = _loanService.Get(loanNo);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loan);
        }


        [HttpGet("getLoanSettlementData/{empId}/{loanId}")]
        public ActionResult GetLoanSettlementData(int empId, int loanId)
        {
            DataTable dt = new DataTable();
            try
            {
                dt = _loanIssueService.GetLoanSettlementData(empId, loanId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(dt);
        }

        [HttpGet("getLoanListByEmployee/{empId}")]
        public ActionResult GetLoanListByEmployee(int empId)
        {
            DataTable dt = new DataTable();
            try
            {
                dt = _loanIssueService.GetLoanListByEmployee(empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(dt);
        }


        [HttpPost]
        [Route("saveLoan")]
        public ActionResult SaveLoan(Loan loan)
        {
            try
            {
                _loanService.Save(loan);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loan);
        }


        [HttpPost]
        [Route("calculateLoanSchedule")]
        public ActionResult calculateLoanSchedule(LoanIssue issue)
        {
          
            Loan oloan = this._loanService.Get(issue.LoanID);
            try
            {
                if(oloan.LoanGroup == EnumLoanGroup.PF_Loan)
                {
                    issue.loan = oloan;
                    issue.Schedules = issue.PreparePFLoanSchedule(issue);
                }
                else if (oloan.LoanGroup == EnumLoanGroup.Flat_Amount)
                {
                    issue.loan = oloan;
                    issue.Schedules = issue.PrepareFlatAmountSchedule(issue);
                }
                else issue.Schedules = issue.PrepareEMISchedule(issue);


            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(issue.Schedules);
        }

        [HttpPost]
        [Route("deleteLoan")]
        public ActionResult DeleteLoan(int id)
        {
            try
            {
                _loanService.Delete(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        // Loan Employee Doc

        [HttpGet("getLoanEmployeeDocById/{id}")]
        public ActionResult GetLoanEmployeeDocById(int id)
        {
            LoanEmployeeDoc loanEmployeeDoc = new LoanEmployeeDoc();
            try
            {
                loanEmployeeDoc = _employeeDocService.Get(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanEmployeeDoc);
        }

        [HttpGet("getLoanEmployeeDocByIssueId/{id}")]
        public ActionResult GetLoanEmployeeDocByIssueId(int id)
        {
            List<LoanEmployeeDoc> loanEmployeeDocs = new List<LoanEmployeeDoc>();
            try
            {
                loanEmployeeDocs = _employeeDocService.GetbyIssueId(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanEmployeeDocs);
        }

        [HttpPost]
        [Route("deleteLoanEmployee")]
        public ActionResult DeleteLoanEmployee(int id)
        {
            try
            {
                _employeeDocService.Delete(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        // Loan Issue
        [HttpGet("getLoanIssueById/{id}")]
        public ActionResult GetLoanIssueById(int id)
        {
            LoanIssue loanIssue = new LoanIssue();
            try
            {
                loanIssue = _loanIssueService.Get(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssue);
        }

        [HttpGet("getAllLoanIssue")]
        public ActionResult GetAllLoanIssue()
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.Get();
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getExistingLoan/{loanId}/{empId}")]
        public ActionResult GetExistingLoan(int loanId, int empId)
        {
            LoanIssue loanIssue = new LoanIssue();
            try
            {
                loanIssue = _loanIssueService.GetExistingLoan(loanId, empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssue);
        }

        [HttpGet("getExistingAllLoan/{loanId}/{empId}")]
        public ActionResult GetExistingAllLoan(int loanId, int empId)
        {
            LoanIssue loanIssue = new LoanIssue();
            try
            {
                loanIssue = _loanIssueService.GetExistingAllLoan(loanId, empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssue);
        }

        [HttpGet("getExistingLoanList/{empId}")]
        public ActionResult GetExistingLoanList(int empId)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetExistingLoan(empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getExistingLoanListByEmpId/{empId}")]
        public ActionResult GetExistingLoanListByEmpId(int empId)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetExistingLoan(empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }
        [HttpGet("getLoanListByEmpIds/{empId}")]
        public ActionResult GetLoanListByEmpIds(string empId)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetByEmpIDs(empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getByDueInstallmentDate/{dateTime}/{empId}")]
        public ActionResult GetByDueInstallmentDate(DateTime dateTime, string empId)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetByDueInstallmentDate(dateTime, empId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getLoanIssueByDateTime/{dateTime}")]
        public ActionResult GetLoanIssueByDateTime(DateTime dateTime)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.Get(dateTime);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getLoanIssueByDateTimeRange/{dateTime1}/{dateTime2}")]
        public ActionResult GetLoanIssueByDateTimeRange(DateTime dateTime1, DateTime dateTime2)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.Get(dateTime1, dateTime2);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getLoanIssueByEmployeeNo/{employeeNo}")]
        public ActionResult GetLoanIssueByEmployeeNo(string employeeNo)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.Get(employeeNo);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getLoanIssueByEmployeeID/{employeeID}")]
        public ActionResult GetLoanIssueByEmployeeID(string employeeID)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetByEmpIDs(employeeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("generateLoanNumber/{employeeID}")]
        public ActionResult generateLoanNumber(int employeeID)
        {
            string loanNumber = "";
            try
            {
                loanNumber = new LoanIssueService().GenerateLoanNo(employeeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanNumber);
        }


        [HttpGet("getLoanIssueByLoanID/{loanID}")]
        public ActionResult GetLoanIssueByLoanID(int loanID)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetByLoanID(loanID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getByEmployeeIdAndLoanNumber/{id}/{loanID}")]
        public ActionResult GetByEmployeeIdAndLoanNumber(int id, string loanID)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetByEmployeeIdAndLoanNumber(id, loanID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getByLoanAndEmployeeIdAndLoanNumber/{loanID}/{employeeId}/{loadNumber}")]
        public ActionResult GetByEmployeeIdAndLoanNumber(int loanID, int employeeId, string loanNumber)
        {
            LoanIssue loanIssue = new LoanIssue();
            try
            {
                loanIssue = _loanIssueService.GetByLoanAndEmployeeIdAndLoanNumber(loanID, employeeId, loanNumber);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssue);
        }

        [HttpGet("getByDueInstallmentDateList/{dateTime}")]
        public ActionResult GetByDueInstallmentDateList(DateTime dateTime)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int payrollTypeId = currentUser.PayrollTypeID.GetValueOrDefault();
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetByDueInstallmentDate(dateTime, payrollTypeId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpGet("getUnPaidLoanWithSchedule/{dateTime}")]
        public ActionResult getUnPaidLoanWithSchedule(DateTime dateTime)
        {
            List<LoanIssue> loanIssues = new List<LoanIssue>();
            try
            {
                loanIssues = _loanIssueService.GetUnPaidLoanWithSchedule(dateTime);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanIssues);
        }

        [HttpPost]
        [Route("updateAvgIntStatus")]
        public ActionResult UpdateAvgIntStatus(List<LoanIssue> loansIssues)
        {
            try
            {
                _loanIssueService.UpdateAvgIntStatus(loansIssues);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpPost]
        [Route("saveLoanIssue")]
        public ActionResult SaveLoanIssue(LoanIssue loansIssue)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int pkid = 0;
            if (loansIssue.IsNew == true)
            {
                loansIssue.CreatedBy = currentUser.UserID;
                loansIssue.CreatedDate = DateTime.Today;
            }
            else
            {
                loansIssue.ModifiedBy = currentUser.UserID;
                loansIssue.ModifiedDate = DateTime.Today;
            }

            try
            {
                pkid= _loanIssueService.Save(loansIssue);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(pkid);
        }

        [HttpPost]
        [Route("saveLoanIssueList")]
        public ActionResult SaveLoanIssueList(List<LoanIssue> loansIssues)
        {
            try
            {
                _loanIssueService.SaveAll(loansIssues);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpPost]
        [Route("save2")]
        public ActionResult Save2(LoanIssue loansIssue)
        {
            try
            {
                _loanIssueService.Save2(loansIssue);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpPost]
        [Route("deleteLoadIssue")]
        public ActionResult DeleteLoadIssue(LoanIssue lissue)
        {
            try
            {
                _loanIssueService.Delete(lissue.ID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        // loan parameter
        [HttpGet("getLoanParameter/{id}")]
        public ActionResult GetLoanParameter(int id)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int payrollTypeId = currentUser.PayrollTypeID.GetValueOrDefault();
            LoanParameter loanParameter = new LoanParameter();
            try
            {
                loanParameter = _loanParameterService.Get(id, payrollTypeId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanParameter);
        }

        [HttpGet("getAllLoanParameter")]
        public ActionResult GetAllLoanParameter()
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int payrollTypeId = currentUser.PayrollTypeID.GetValueOrDefault();
            List<LoanParameter> loanParameters = new List<LoanParameter>();
            try
            {
                loanParameters = _loanParameterService.Get(payrollTypeId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanParameters);
        }

        [HttpGet("getLoanGrades/{loanParameterID}")]
        public ActionResult GetLoanGrades(int loanParameterID)
        {
            List<LoanGrades> loanGrades = new List<LoanGrades>();
            try
            {
                loanGrades = _loanParameterService.GetLoanGrades(loanParameterID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanGrades);
        }

        [HttpGet("getLoanDoc/{loanParameterID}")]
        public ActionResult GetLoanDoc(int loanParameterID)
        {
            List<LoanDoc> loanDocs = new List<LoanDoc>();
            try
            {
                loanDocs = _loanParameterService.GetLoanDoc(loanParameterID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanDocs);
        }

        [HttpPost]
        [Route("saveLoanParameter")]
        public ActionResult SaveLoanParameter(LoanParameter loanParameter)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int payrollTypeId = currentUser.PayrollTypeID.GetValueOrDefault();
            try
            {
                _loanParameterService.Save(loanParameter, payrollTypeId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpPost]
        [Route("deleteLoanParameter")]
        public ActionResult DeleteLoanParameter(int id)
        {
            try
            {
                _loanParameterService.Delete(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        // loan Schedule 
        [HttpGet("getLoanScheduleByIssueId/{issueId}")]
        public ActionResult GetLoanScheduleByIssueId(int issueId)
        {
            List<LoanSchedule> loanSchedules = new List<LoanSchedule>();
            try
            {
                loanSchedules = _loanScheduleService.GetByIssueID(issueId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(loanSchedules);
        }

        [HttpPost]
        [Route("saveLoanScheduleList")]
        public ActionResult SaveLoanSchedule(List<LoanSchedule> items)
        {

            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);

            items.ForEach(x =>
            {
                x.ModifiedBy = currentUser.UserID;
                x.ModifiedDate = DateTime.Today;
            });
            try
            {
                _loanScheduleService.SaveList(items);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [Route("UpdateLoanScheduleAmount")]
        public ActionResult UpdateLoanScheduleAmount(List<LoanSchedule> items)
        {

            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);

            items.ForEach(x =>
            {
                x.ModifiedBy = currentUser.UserID;
                x.ModifiedDate = DateTime.Today;
            });
            try
            {
                new LoanScheduleService().UpdateSchedules(items);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(true);
        }

        /*[HttpPost]
        [Route("saveLoanSchedule")]
        public ActionResult SaveLoanSchedule(FmLoanSchedule loanSchedule)
        {
            try
            {
                _loanScheduleService.Save(loanSchedule);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpPost]
        [Route("deleteLoanSchedule")]
        public ActionResult DeleteLoanSchedule(int loadScheduleId)
        {
            try
            {
                _loanScheduleService.Delete(loadScheduleId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpGet("getByLoanScheduleId/{loanScheduleId}")]
        public ActionResult GetByLoanScheduleId(int loanScheduleId)
        {
            FmLoanSchedule fmLoanSchedule = new FmLoanSchedule();
            try
            {
                fmLoanSchedule = _loanScheduleService.Get(loanScheduleId);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(fmLoanSchedule);
        }

        [HttpGet("getAllLoanSchedule")]
        public ActionResult GetAllLoanSchedule()
        {
            List<FmLoanSchedule> fmLoanSchedules = new List<FmLoanSchedule>();
            try
            {
                fmLoanSchedules = _loanScheduleService.Get();
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(fmLoanSchedules);
        }

        [HttpGet("getSchedule/{dt}")]
        public ActionResult GetSchedule(DateTime dt)
        {
            bool result;
            try
            {
                result = _loanScheduleService.GetSchedule(dt);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(result);
        }*/
    }
}