package com.crsbg.controller;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.IdUtil;
import com.crsbg.entity.Customer;
import com.crsbg.entity.PageVO;
import com.crsbg.entity.User;
import com.crsbg.service.CustomerService;
import com.crsbg.service.impl.CustomerServiceImpl;
import com.crsbg.utils.JSONUtil;
import com.crsbg.utils.ServiceFactory;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class CustomerController extends HttpServlet {
    private CustomerService customerService = null;
    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String path = request.getServletPath();
        if("/controller/getCustomer".equals(path)){
            getCustomer(request,response);
        }else if("/controller/addCustomer".equals(path)){
            addCustomer(request,response);
        }else if("/controller/detailCustomer".equals(path)){
            detailCustomer(request,response);
        }else if("/controller/updateCustomer".equals(path)){
            updateCustomer(request,response);
        }else if("/controller/deleteCustomer".equals(path)){
            deleteCustomer(request,response);
        }else if("/controller/deleteCustomers".equals(path)){
            deleteCustomers(request,response);
        }else if("/controller/getCustomerName".equals(path)){
            getCustomerName(request,response);
        }else if("/controller/getCustomerByName".equals(path)){
            getCustomerByName(request,response);
        }
    }

    private void getCustomerByName(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入获取客户名称getCustomerByName");
        String name = request.getParameter("keywords");
        List<Customer> customerList = null;
        if(name!=null&&!"".equals(name)){
            customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
            customerList = customerService.getCustomerByName(name);
        }
        Map<String,Object> map = new HashMap<>();
        map.put("code",0);
        map.put("content",customerList);
        map.put("type","success");
        JSONUtil.getJSON(response,map);
    }

    private void getCustomerName(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入获取客户名称getCustomerName");
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        List<Customer> customerList = customerService.getCustomerName();
        JSONUtil.getJSON(response,customerList);
    }

    private void deleteCustomers(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入批量删除客户deleteCustomers...");
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        String[] ids = request.getParameterValues("id");
        Map<String,Object> map = customerService.deleteCustomers(ids);
        JSONUtil.getJSON(response,map);
    }

    private void deleteCustomer(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入删除客户deleteCustomer...");
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        String id = request.getParameter("id");
        Map<String,Object> map = customerService.deleteCustomer(id);
        JSONUtil.getJSON(response,map);
    }

    private void updateCustomer(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入修改客户updateCustomer...");
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        String id = request.getParameter("id");
        String owner = request.getParameter("owner");
        String name = request.getParameter("name");
        String website = request.getParameter("website");
        String tel = request.getParameter("tel");
        String contactSummary = request.getParameter("contactSummary");
        String nextContactDate =  request.getParameter("nextContactDate");
        String description = request.getParameter("description");
        String address = request.getParameter("address");
        String editBy = ((User)request.getSession().getAttribute("user")).getName();
        String editTime = DateUtil.now();
        Customer customer = new Customer();
        customer.setId(id);
        customer.setOwner(owner);
        customer.setName(name);
        customer.setWebsite(website);
        customer.setTel(tel);
        customer.setNextContactDate(nextContactDate);
        customer.setAddress(address);
        customer.setDescription(description);
        customer.setContactSummary(contactSummary);
        customer.setEditBy(editBy);
        customer.setEditTime(editTime);
        boolean flag = customerService.updateCustomer(customer);
        Map<String,Object> map = new HashMap<>();
        map.put("success",flag);
        map.put("editBy",editBy);
        map.put("editTime",editTime);
        JSONUtil.getJSON(response,map);
    }

    private void detailCustomer(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        System.out.println("进入客户详情detailCustomer...");
        String id = request.getParameter("id");
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        Customer customer = customerService.getCustomerById(id);
        request.setAttribute("customer",customer);
        request.getRequestDispatcher("/pages/customer-detail.jsp").forward(request,response);
    }

    private void addCustomer(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入添加客户addCustomer...");
        String id = IdUtil.simpleUUID();
        String owner = request.getParameter("owner");
        String name = request.getParameter("name");
        String website = request.getParameter("website");
        String tel = request.getParameter("tel");
        String nextContactDate = request.getParameter("nextContactDate");
        String address = request.getParameter("address");
        String contactSummary = request.getParameter("contactSummary");
        String description = request.getParameter("description");
        String createBy = ((User)request.getSession().getAttribute("user")).getName();
        String createTime = DateUtil.now();
        Customer customer = new Customer();
        customer.setId(id);
        customer.setOwner(owner);
        customer.setName(name);
        customer.setWebsite(website);
        customer.setTel(tel);
        customer.setNextContactDate(nextContactDate);
        customer.setAddress(address);
        customer.setDescription(description);
        customer.setContactSummary(contactSummary);
        customer.setCreateBy(createBy);
        customer.setCreateTime(createTime);
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        boolean flag = customerService.addCustomer(customer);
        response.getWriter().print(flag);
    }

    private void getCustomer(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入查询客户getCustomer...");
        String name = request.getParameter("name");
        String owner = request.getParameter("owner");
        int page = Integer.parseInt(request.getParameter("page"));
        int limit = Integer.parseInt(request.getParameter("limit"));
        int pageNumber = (page-1)*limit;
        int pageSize = limit;
        customerService = (CustomerService) ServiceFactory.getService(new CustomerServiceImpl());
        Map<String,Object> param = new HashMap<>();
        param.put("name",name);
        param.put("owner",owner);
        param.put("pageNumber",pageNumber);
        param.put("pageSize",pageSize);
        PageVO<Customer> vo = customerService.getCustomer(param);
        Map<String,Object> map = new HashMap<>();
        map.put("code",0);
        map.put("message","请求成功");
        map.put("count",vo.getTotal());
        map.put("data",vo.getDatas());
        JSONUtil.getJSON(response,map);
    }
}