package space.anyi.controller.admin;

import space.anyi.entity.User;
import space.anyi.service.UserService;
import space.anyi.util.Converter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import java.util.Date;
import java.util.List;

@Controller
@RequestMapping("/admin")
public class AdminUserController {

    @Autowired private UserService userService;

    @GetMapping("/user")
    public ModelAndView list(@RequestParam(defaultValue = "1") Integer page) {
        ModelAndView mv = new ModelAndView("admin/user");
        List<User> userList = userService.findAll(page, 10);
        int totalPages = 1;
        if (userList instanceof com.github.pagehelper.Page) {
            com.github.pagehelper.Page<User> p = (com.github.pagehelper.Page<User>) userList;
            totalPages = p.getPages();
        }
        mv.addObject("users", Converter.toUserVOList(userList));
        mv.addObject("page", page);
        mv.addObject("totalPages", totalPages);
        return mv;
    }

    @PostMapping("/user/toggleStatus")
    public String toggleStatus(@RequestParam Integer id, RedirectAttributes attr) {
        userService.toggleStatus(id);
        attr.addFlashAttribute("success", "状态已更改");
        return "redirect:/admin/user";
    }

    @GetMapping("/user/edit/{id}")
    public ModelAndView editPage(@PathVariable Integer id) {
        ModelAndView mv = new ModelAndView("admin/userEdit");
        mv.addObject("user", Converter.toUserVO(userService.findById(id)));
        return mv;
    }

    @PostMapping("/user/edit")
    public String edit(User user, RedirectAttributes attr) {
        User existing = userService.findById(user.getId());
        if (existing != null) {
            user.setUsername(existing.getUsername());
            user.setAvatar(existing.getAvatar());
        }
        user.setUpdateTime(new Date());
        userService.update(user);
        attr.addFlashAttribute("success", "用户信息已更新");
        return "redirect:/admin/user";
    }

    @PostMapping("/user/delete/{id}")
    public String delete(@PathVariable Integer id, RedirectAttributes attr) {
        userService.deleteById(id);
        attr.addFlashAttribute("success", "用户已删除");
        return "redirect:/admin/user";
    }
}