package com.mvc.controller;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import com.mvc.dto.MstBarangAllDto;
import com.mvc.dto.MstCustomerAllDto;
import com.mvc.dto.MstKaryawanDto;
import com.mvc.dto.TrDetailPenjualanDto;
import com.mvc.dto.TrHeaderPenjualanDto;
import com.mvc.service.MstBarangSvc;
import com.mvc.service.MstCustomerSvc;
import com.mvc.service.MstKaryawanSvc;
import com.mvc.service.TrDetailPenjualanSvc;
import com.mvc.service.TrHeaderPenjualanSvc;

@Controller
@RequestMapping("/header-penjualan")
public class TrHeaderPenjualanController {

	int temp = 0;
	List<TrDetailPenjualanDto> addList = new LinkedList<TrDetailPenjualanDto>();
	List<String> delColumn = new ArrayList<>();
	@Autowired
	private TrHeaderPenjualanSvc service;

	@Autowired
	private MstCustomerSvc customerService;

	@Autowired
	private MstKaryawanSvc employeeService;

	@Autowired
	private MstBarangSvc barangSvc;

	@Autowired
	private TrDetailPenjualanSvc detailSvc;

	@RequestMapping("/all")
	public String showAllWithPagination(
			@RequestParam(value = "cari", defaultValue = "", required = false) String cari,
			@RequestParam(value = "page", defaultValue = "1", required = false) int page,
			Model model,HttpServletRequest request) {

		HttpSession session = request.getSession();
		Map<String, Object> map = service.searchPenjualan(cari, page);
		List<TrHeaderPenjualanDto> listDto = (List<TrHeaderPenjualanDto>) map
				.get("list");
		int jumlahHalaman = (int) map.get("jumlahHalaman");

		session.setAttribute("headerData", null);
		temp = 0;
		delColumn.clear();
		addList.clear();

		model.addAttribute("list", listDto);
		model.addAttribute("jumlahHalaman", jumlahHalaman);
		return "listheaderpenjualan";
	}

	@RequestMapping("/add")
	public String getHeaderInsertPage(Model model, HttpServletRequest request) {
		HttpSession session = request.getSession();

		List<MstCustomerAllDto> customersDto = customerService
				.findAllCustomer();
		List<MstKaryawanDto> employeesDto = employeeService.findAllKaryawan();
		Map<String, String> customerList = new HashMap<String, String>();
		Map<String, String> employeesList = new HashMap<String, String>();
		for (MstCustomerAllDto dto : customersDto) {
			customerList.put(dto.getKodeCustomer(), dto.getNamaCustomer());
		}
		for (MstKaryawanDto dto : employeesDto) {
			employeesList.put(dto.getKodeKaryawan(), dto.getNamaKaryawan());
		}
		TrHeaderPenjualanDto headerDto = new TrHeaderPenjualanDto();
		List<TrDetailPenjualanDto> dtlList = null;
		if (session.getAttribute("headerData") == null) {
			headerDto = new TrHeaderPenjualanDto();
			dtlList = new ArrayList<>();
		} else {
			headerDto = (TrHeaderPenjualanDto) session
					.getAttribute("headerData");
			dtlList = new ArrayList<>();
			dtlList.addAll(addList);
		}
		for (String x : delColumn) {
			for (Iterator<TrDetailPenjualanDto> iter = dtlList.iterator(); iter
					.hasNext();) {
				TrDetailPenjualanDto temp = iter.next();
				if (temp.getKodeDetail().compareTo(x) == 0) {
					iter.remove();
					break;
				}
			}
		}
		temp = 0;
		for (TrDetailPenjualanDto y : dtlList) {
			temp += y.getSubtotal();
		}
		temp = temp * (100 - headerDto.getGlobalDiskon()) / 100;
		headerDto.setHargaTotal(temp);
		session.setAttribute("headerData", headerDto);
		model.addAttribute("headerPenjualan", headerDto);
		model.addAttribute("customers", customerList);
		model.addAttribute("employees", employeesList);
		model.addAttribute("dtlList", dtlList);

		return "addheaderpenjualan";
	}

	@RequestMapping("/add-with-session")
	public String getAddWithSession(Model model, HttpServletRequest request) {
		HttpSession session = request.getSession();
		TrHeaderPenjualanDto headerDto = (TrHeaderPenjualanDto) session
				.getAttribute("headerData");
		model.addAttribute("headerPenjualan", headerDto);

		return "addheaderpenjualan";
	}

	@RequestMapping("/save")
	public String saveHeader(
			@ModelAttribute("headerPenjualan") TrHeaderPenjualanDto dto,
			HttpServletRequest request) {
		HttpSession session = request.getSession();
		session.setAttribute("headerData", dto);

		return "redirect:/header-penjualan/all";
	}

	@RequestMapping("/add-detail")
	public String addDetail(
			@ModelAttribute("headerPenjualan") TrHeaderPenjualanDto dto,
			HttpServletRequest request, Model model) {
		HttpSession session = request.getSession();
		session.setAttribute("headerData", dto);

		// TrHeaderPenjualanDto dummyDto = (TrHeaderPenjualanDto) session
		// .getAttribute("headerData");
		// System.out.println("nama customer -----> " + dummyDto.getNoNota());

		List<MstBarangAllDto> barangsDto = barangSvc.findAllBarang();
		Map<String, String> productsName = new HashMap<>();
		for (MstBarangAllDto barang : barangsDto) {
			productsName.put(barang.getKodeBarang(), barang.getNamaBarang());
		}

		model.addAttribute("detailPenjualan", new TrDetailPenjualanDto());
		model.addAttribute("products", productsName);
		return "adddetailpenjualan";
	}

	@RequestMapping("/save-detail")
	public String saveDetail(
			@ModelAttribute("detailPenjualan") TrDetailPenjualanDto detilDto,
			HttpServletRequest request, Model model) {

		// HttpSession session = request.getSession();
		// TrHeaderPenjualanDto headerDto = (TrHeaderPenjualanDto) session
		// .getAttribute("headerData");
		// headerDto.addListDetilDto(detilDto);
		// session.removeAttribute("headerData");
		// session.setAttribute("headerData", headerDto);
		MstBarangAllDto brg = barangSvc.findOne(detilDto.getKodeBarang());
		detilDto.setNamaBarang(brg.getNamaBarang());
		addList.add(detilDto);

		return "redirect:/header-penjualan/add";
	}

	@RequestMapping("/delete-detail/{kodeDetail}")
	public String deleteDetail(@PathVariable("kodeDetail") String kodeDetail,
			@RequestParam("header") String nota) {
		delColumn.add(kodeDetail);
		return "redirect:/header-penjualan/add";
	}

	@RequestMapping("/header-save")
	public String saveTransaction(Model model,
			@ModelAttribute("headerPenjualan") TrHeaderPenjualanDto hdr) {
		service.save(hdr);
		// Mungkin karena list tidak termasuk dalam bagian form...
		// delete previous existing entries
		List<TrDetailPenjualanDto> dtlList = detailSvc
				.findAllDetailPenjualan(hdr.getNoNota());
		for (TrDetailPenjualanDto y : dtlList) {
			detailSvc.delete(y.getKodeDetail());
		}

		// add the list containing 'supposedly' added entries
		dtlList.addAll(addList);

		// delete the list containing 'supposedly' deleted entries
		for (String x : delColumn) {
			for (Iterator<TrDetailPenjualanDto> iter = dtlList.iterator(); iter
					.hasNext();) {
				TrDetailPenjualanDto temp = iter.next();
				if (temp.getKodeDetail().compareTo(x) == 0) {
					iter.remove();
					break;
				}
			}
		}

		// save the new entries
		for (TrDetailPenjualanDto x : dtlList) {
			x.setNoNota(hdr.getNoNota());
			detailSvc.save(x);
		}
		return "redirect:/header-penjualan/all";
	}

}