package com.ldg.test.controller;

import com.ldg.test.modal.User;
import com.ldg.test.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;

@Controller
public class MainController {

    @Autowired
    private IUserService service;

    @RequestMapping("/user")
    public String viewIndexPage(Model model) {
        String keyword = null;
        return listByPage(model, 1, "id", "asc", keyword);
    }


    @GetMapping("/page/{pageNumber}")
    public String listByPage(Model model,
                             @PathVariable("pageNumber") int currentPage,
                             @Param("sortField") String sortField,
                             @Param("sortDir") String sortDir,
                             @Param("keyword") String keyword) {

        Page<User> page = service.listAll(currentPage, sortField, sortDir, keyword);

        long totalItems = page.getTotalElements();
        int totalPages = page.getTotalPages();
        // int currentPage = page.previousPageable().getPageNumber();

        List<User> listUsers = page.getContent();

        model.addAttribute("totalItems", totalItems);
        model.addAttribute("totalPages", totalPages);
        model.addAttribute("currentPage", currentPage);
        model.addAttribute("listUsers", listUsers); // next bc of thymeleaf we make the user.html

        model.addAttribute("sortField", sortField);
        model.addAttribute("sortDir", sortDir);
        model.addAttribute("keyword", keyword);

        String reverseSortDir = sortDir.equals("asc") ? "desc" : "asc";
        model.addAttribute("reverseSortDir", reverseSortDir);

        return "user";
    }

    @RequestMapping("/new")
    public String showNewUserForm(Model model) {
        User user = new User();
        model.addAttribute("user", user);

        return "new_user";
    }

    @RequestMapping(value = "/save", method = RequestMethod.POST)
    public String saveUser(@ModelAttribute("user") User user) {
        service.save(user);

        return "redirect:/";
    }

    @RequestMapping("/edit/{id}")
    public ModelAndView showEditUserForm(@PathVariable(name = "id") Long id) {
        ModelAndView modelAndView = new ModelAndView("edit_user");
        User user = service.get(id);
        modelAndView.addObject("user", user);

        return modelAndView;
    }

    @RequestMapping("/delete/{id}")
    public String deleteUser(@PathVariable(name = "id") Long id) {
        service.delete(id);

        return "redirect:/";
    }

}