package wad.pastebin.controller;

import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.jar.Attributes;
import org.apache.commons.lang3.StringEscapeUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import wad.pastebin.data.JpaSnippet;
import wad.pastebin.data.JpaUser;
import wad.pastebin.service.JpaSnippetService;
import wad.pastebin.service.JpaUserService;
import wad.pastebin.service.SnippetService;
import wad.pastebin.service.UserService;

@Controller
public class PastebinController implements PastebinControllerInterface {

    @Autowired
    UserService jus;
    @Autowired
    SnippetService jss;

    @Override
    @RequestMapping(value = "snippets", method = RequestMethod.POST)
    public String createSnippet(@RequestParam(value = "nickname", required = true) String nickname,
            @RequestParam(value = "content", required = true) String content) {

        JpaUser ju = (JpaUser) jus.findByNickname(nickname);

        if (ju == null) {
            jus.create(ju);
            ju.setNickname(nickname);
        }
        JpaSnippet js = new JpaSnippet();
        js.setTimestamp(new Date());
        js.setUser(ju);
        js.setContent(StringEscapeUtils.escapeHtml4(content));
        jss.create(js);

        //ra.addAttribute("id", js.getId());

        return "redirect:snippets/" + js.getId();
    }

    @Override
    @RequestMapping(value = "snippets", method = RequestMethod.GET)
    public String listSnippets(Model model) {

        model.addAttribute("snippets", jss.findAll());

        return "list-snippets";
    }

    @Override
    @RequestMapping(value = "users/{nickname}/snippets", method = RequestMethod.GET)
    public String listSnippetsByUser(Model model,
        @PathVariable String nickname) {

        JpaUser ju = (JpaUser) jus.findByNickname(nickname);
        if(ju == null) {
                return "users";
            }


        model.addAttribute("user", ju);
        model.addAttribute("snippets", jss.findByUser(ju));

        return "list-snippets-by-user";
    }

    @Override
    @RequestMapping(value = "users", method = RequestMethod.GET)
    public String listUsers(Model model) {

        model.addAttribute("users", jus.findAll());
        return "list-users";
    }

    @Override
    @RequestMapping(value = "snippets/{snippetId}", method = RequestMethod.GET)
    public String viewSnippet(Model model, @PathVariable Long snippetId) {
        JpaSnippet js = (JpaSnippet) jss.findById(snippetId);
        if (js == null) {
            return "snippets";
        }
        model.addAttribute("snippet", js);
        return "view-snippet";
    }
}