package org.lanyonm.playground.web.controller;
   
   import java.util.Date;
   
   import org.lanyonm.playground.domain.Todo;
   import org.lanyonm.playground.service.TodoService;
   import org.lanyonm.playground.web.command.TodoCommand;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
  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.RequestMethod;
  
  /**
   * @author lanyonm
   */
  @Controller
  public class TodoController {
  
  	@Autowired
  	private TodoService todoService;
  
  	private static final Logger log = LoggerFactory.getLogger(TodoController.class);
  
  	/**
  	 * @param model
  	 * @return
  	 */
  	@RequestMapping(value = "/todo/", method = RequestMethod.GET)
  	public String index(Model model) {
  		log.debug("for logging's sake");
  		model.addAttribute("todoList", todoService.getAllTodos());
  		return "todo/index";
  	}
  
  	/**
  	 * @param id
  	 * @param model
  	 * @return
  	 */
  	@RequestMapping(value = "/todo/{id}/edit", method = RequestMethod.GET)
  	public String todoAddEditShow(@PathVariable("id") final int id, Model model) {
  		Todo todo = todoService.getTodo(id);
  		if (todo == null && id > 0) {
  			// TODO message something
  			return "redirect:/todo/";
  		} else if (id == 0) {
  			todo = new Todo();
  		}
  		model.addAttribute("todo", todo);
  		return "todo/addEdit";
  	}
  
  	/**
  	 * @param id
  	 * @param model
  	 * @param todoCommand
  	 * @param bindingResult
  	 * @return
  	 */
  	@RequestMapping(value = "/todo/{id}/edit", method = RequestMethod.POST)
  	public String todoAddEditSave(@PathVariable("id") final int id, Model model, @ModelAttribute("todo") TodoCommand todoCommand, BindingResult bindingResult) {
  		Todo todo = new Todo();
  		if (id == 0) {
  			todo.setTitle(todoCommand.getTitle());
  			todo.setDateCreated(new Date());
  			todoService.saveTodo(todo);
  			// TODO verify the result of saveTodo()
  		} else {
  			todo = todoService.getTodo(id);
  			if (todo != null) {
  				todo.setTitle(todoCommand.getTitle());
  				todo.setDateModified(new Date());
  				todoService.saveTodo(todo);
  				// TODO verify the result of saveTodo()
  			} else {
  				// TODO message something
  			}
  		}
  		return "redirect:/todo/";
  	}
  
  	@RequestMapping(value = "/todo/{id}/delete", method = RequestMethod.GET)
  	public String todoDelete(@PathVariable("id") final int id, Model model) {
  		Todo todo = todoService.getTodo(id);
  		if (todoService.deleteTodo(todo)) {
  			// TODO send a success message!
  		} else {
  			// TODO send a failture message  >:|
  		}
  		return "redirect:/todo/";
  	}
  }