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

namespace HRM.UI.Controllers.Payroll
{
    [Route("api/Overtime")]
    [ApiController]
    public class OverTimeController : ControllerBase
    {
        private readonly ITermParameterService _termParameterService;
        private readonly IEmployeeOverTimeService _employeeOverTimeService;
        private readonly IOTProcessService _oTProcessService;

        public OverTimeController(ITermParameterService termParameterService,
            IEmployeeOverTimeService employeeOverTimeService,
            IOTProcessService oTProcessService)
        {
            this._termParameterService = termParameterService;
            this._employeeOverTimeService = employeeOverTimeService;
            this._oTProcessService = oTProcessService;
        }

        // Term Parameter
        [HttpGet("getTermParameter/{id}")]
        public ActionResult getTermParameter(int id)
        {
            TermParameter termParameter = new TermParameter();
            try
            {
                termParameter = _termParameterService.Get(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(termParameter);
        }


        [HttpGet("GetUsedGrades/{termID}")]
        public ActionResult GetUsedGrades(int termID)
        {
            List<TermParameter.TermEntityGrade> items = new List<TermParameter.TermEntityGrade>();
            try
            {
                items = _termParameterService.GetUsedGrades(termID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(items);
        }


        [HttpGet("getAllTermParameters")]
        public ActionResult getAllTermParameters()
        {
            List<TermParameter> termParameters = new List<TermParameter>();
            CurrentUser ouser = CurrentUser.GetCurrentUser(HttpContext.User);
            try
            {
                termParameters = _termParameterService.GetByPayrollTypeID((int)ouser.PayrollTypeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(termParameters);
        }

        [HttpGet("getAllTermParameterByGradeID/{id}")]
        public ActionResult getAllTermParameterByGradeID(int id)
        {
            List<TermParameter> termParameters = new List<TermParameter>();
            try
            {
                termParameters = _termParameterService.GetByGradeID(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(termParameters);
        }

        [HttpGet("getTermParameterGrade/{ntpID}")]
        public ActionResult GetTermParameterGrade(int ntpID)
        {
            List<TermParameter.TermEntityGrade> termEntityGrades = new List<TermParameter.TermEntityGrade>();
            try
            {
                termEntityGrades = _termParameterService.GetGrades(ntpID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(termEntityGrades);
        }

        [HttpPost]
        [Route("saveTermParameter")]
        public ActionResult saveTermParameter(TermParameter termParameter)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);

            try
            {
                termParameter.PayrollTypeID = (int) currentUser.PayrollTypeID;
                if (termParameter.IsNew == true)
                {
                    termParameter.CreatedBy = currentUser.UserID;
                    termParameter.CreatedDate = DateTime.Today;
                }
                else
                {
                    termParameter.ModifiedBy = currentUser.UserID;
                    termParameter.ModifiedDate = DateTime.Today;
                }

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

            return Ok(termParameter);
        }

        [HttpPost]
        [Route("deleteTermParameter")]
        public ActionResult deleteTermParameter(TermParameter param)
        {
            try
            {
                _termParameterService.Delete(param.ID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        // Employee Overtime
        [HttpGet("getEmployeeOvertimeById/{id}")]
        public ActionResult GetEmployeeOvertimeById(int id)
        {
            EmployeeOverTime employeeOverTime = new EmployeeOverTime();
            try
            {
                employeeOverTime = _employeeOverTimeService.Get(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(employeeOverTime);
        }

        [HttpGet("getEmployeeOvertime")]
        public ActionResult GetEmployeeOvertime()
        {
            List<EmployeeOverTime> employeeOverTimes = new List<EmployeeOverTime>();
            try
            {
                employeeOverTimes = _employeeOverTimeService.Get();
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(employeeOverTimes);
        }

        [HttpGet("getEmployeeOvertimeByEmpId/{empId}")]
        public ActionResult getEmployeeOvertimeByEmpId(int empId)
        {
            List<EmployeeOverTime> employeeOverTimes = new List<EmployeeOverTime>();
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);


            try
            {
                employeeOverTimes =
                    _employeeOverTimeService.GetByEmpID(empId, (DateTime) currentUser.NextPayProcessDate);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(employeeOverTimes);
        }

        [HttpGet("getEmployeeOverTimeByMonthAndPayrollTypeId/{otMonth}")]
        public ActionResult GetEmployeeOverTimeByMonthAndPayrollTypeId(DateTime otMonth)
        {
            List<EmployeeOverTime> employeeOverTimes = new List<EmployeeOverTime>();
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int payrollTypeID = currentUser.PayrollTypeID.GetValueOrDefault();
            try
            {
                employeeOverTimes = _employeeOverTimeService.Get(otMonth, payrollTypeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(employeeOverTimes);
        }

        [HttpPost]
        [Route("saveEmployeeOvertimes")]
        public ActionResult SaveEmployeeOvertimes(List<EmployeeOverTime> employeeOverTimes)
        {
            try
            {
                CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
                employeeOverTimes.ForEach(x =>
                {
                    x.PayrollTypeID = (int) currentUser.PayrollTypeID;
                    x.MonthDate = (DateTime) currentUser.NextPayProcessDate;
                    x.OTMonth =  GlobalExtensions.LastDateOfMonth(x.OTMonth);
                    x.CreatedBy = currentUser.UserID;
                    x.CreatedDate = DateTime.Today;
                });

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

            return Ok();
        }
        [HttpPost]
        [Route("saveEmployeeOvertime")]
        public ActionResult SaveEmployeeOvertime(EmployeeOverTime employeeOverTime)
        {
            try
            {
                CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
                employeeOverTime.PayrollTypeID = (int) currentUser.PayrollTypeID;
                employeeOverTime.MonthDate = (DateTime)currentUser.NextPayProcessDate;
                employeeOverTime.OTMonth = GlobalExtensions.LastDateOfMonth(employeeOverTime.OTMonth);
                employeeOverTime.CreatedBy = currentUser.UserID;
                employeeOverTime.CreatedDate = DateTime.Today;
                EmployeeOverTime existEmployeeOT = new EmployeeOverTimeService().GetEmpOvertimeByOTMonth(employeeOverTime.EmployeeID, employeeOverTime.OTMonth, employeeOverTime.TermID, employeeOverTime.TermParameterID);

                if (existEmployeeOT != null)
                {
                    employeeOverTime.ID = existEmployeeOT.ID;
                }

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

            return Ok();
        }

        [HttpPost]
        [Route("saveEmployeeOvertimeList")]
        public ActionResult SaveEmployeeOvertimeList(List<EmployeeOverTime> employeeOverTimes)
        {
            try
            {
                _employeeOverTimeService.Save(employeeOverTimes);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(employeeOverTimes);
        }

        [HttpPost]
        [Route("saveEmployeeOvertimeByExcel")]
        public ActionResult SaveEmployeeOvertimeByExcel(List<EmployeeOverTime> employeeOverTimes)
        {
            try
            {
                _employeeOverTimeService.SaveByExcel(employeeOverTimes);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(employeeOverTimes);
        }

        [HttpPost]
        [Route("deleteEmployeeOvertimeByMonth")]
        public ActionResult DeleteEmployeeOvertimeByMonth(DateTime otMonth)
        {
            try
            {
                _employeeOverTimeService.DeleteByMonth(otMonth);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        [HttpPost]
        [Route("deleteEmployeeOvertime")]
        public ActionResult deleteEmployeeOvertime(EmployeeOverTime employeeOverTime)
        {
            try
            {
                _employeeOverTimeService.Delete(employeeOverTime);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }

        // OT process
        [HttpGet("getOtProcessById/{id}")]
        public ActionResult GetOtProcessById(int id)
        {
            OTProcess oTProcess = new OTProcess();
            try
            {
                oTProcess = _oTProcessService.Get(id);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcess);
        }

        [HttpGet("getAllOtProcess")]
        public ActionResult GetAllOtProcess()
        {
            List<OTProcess> oTProcesses = new List<OTProcess>();
            try
            {
                oTProcesses = _oTProcessService.Get();
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcesses);
        }

        [HttpGet("getOtProcessByMonthDate/{monthDate}")]
        public ActionResult GetOtProcessByMonthDate(DateTime monthDate)
        {
            List<OTProcess> oTProcesses = new List<OTProcess>();
            try
            {
                oTProcesses = _oTProcessService.Get(monthDate);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcesses);
        }

        [HttpGet("getOtProcessByOTMonth/{empIds}/{months}")]
        public ActionResult GetOtProcessByOTMonth(string empIds, string months)
        {
            List<OTProcess> oTProcesses = new List<OTProcess>();
            try
            {
                oTProcesses = _oTProcessService.GetbyOtMonth(empIds, months);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcesses);
        }

        [HttpGet("getOtProcessDataByMonthAndDeptID/{month}/{deptID}")]
        public ActionResult GetOtProcessDataByMonthAndDeptID(DateTime month, string deptID)
        {
            List<OTProcess> oTProcesses = new List<OTProcess>();
            try
            {
                oTProcesses = _oTProcessService.GetOTProcessDataByMonthAndDeptID(month, deptID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcesses);
        }

        [HttpGet("isOtProcessed/{monthDate}")]
        public ActionResult IsOtProcessed(string monthDate)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            DateTime dMonthDate = GlobalFunctions.GetApiDefaultDateData(monthDate);
            int payrollTypeID = currentUser.PayrollTypeID.GetValueOrDefault();
            bool result;
            try
            {
                result = _oTProcessService.IsProcessed(dMonthDate, payrollTypeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(result);
        }

        [HttpPost]
        [Route("OTProcess")]
        public ActionResult OTProcess(dynamic item)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);

            try
            {
                this._oTProcessService.Process(null, currentUser.UserID, (int) currentUser.PayrollTypeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(true);
        }

        [HttpPost]
        [Route("saveOtProcess")]
        public ActionResult SaveOtProcess(OTProcess oTProcess)
        {
            try
            {
                _oTProcessService.Save(oTProcess);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcess);
        }

        [HttpPost]
        [Route("saveOtProcessList")]
        public ActionResult SaveOtProcessList(List<OTProcess> oTProcesses)
        {
            try
            {
                _oTProcessService.Save(oTProcesses);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oTProcesses);
        }

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

            return Ok();
        }

        [HttpPost]
        [Route("undoOTProcess")]
        public ActionResult undoOTProcess(dynamic item)
        {
         
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            int payrollTypeID = currentUser.PayrollTypeID.GetValueOrDefault();
            try
            {
                _oTProcessService.Delete((DateTime) currentUser.NextPayProcessDate, payrollTypeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok();
        }
    }
}