package softuniBlog.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.method.P;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import softuniBlog.bindingModel.ArticleBindingModel;
import softuniBlog.entity.Article;
import softuniBlog.entity.User;
import softuniBlog.repository.ArticleRepository;
import softuniBlog.repository.UserRepository;

@Controller
public class ArticleController {

    private final ArticleRepository articleRepository;
    private  final UserRepository userRepository;

    @Autowired
    public ArticleController(ArticleRepository articleRepository, UserRepository userRepository) {
        this.articleRepository = articleRepository;
        this.userRepository = userRepository;
    }

    @GetMapping("/article/create")
    @PreAuthorize("isAuthenticated()")
    public String create(Model model){
        model.addAttribute("view","article/create");
        return "base-layout";
    }

    @PostMapping("/article/create")
    @PreAuthorize("isAuthenticated()")
    public String createProcess(ArticleBindingModel articleBindingModel) {
        UserDetails user = (UserDetails) SecurityContextHolder.getContext()
                .getAuthentication().getPrincipal();
        User userEntity = this.userRepository.findByEmail(user.getUsername());
        Article articleEntity = new Article(
                articleBindingModel.getTitle(),
                articleBindingModel.getContent(),
                userEntity);
        this.articleRepository.saveAndFlush(articleEntity);
        return "redirect:/";
    }

    @GetMapping("article/details")
    @PreAuthorize("isAuthenticated()")
    public String details(@PathVariable Integer id, Model model){
        Article article = this.articleRepository.findOne(id);

        if(article == null){
            return "redirect:/";
        }
        model.addAttribute("view", "article/details");
        model.addAttribute("article", article);

        return "base-layout";
    }

    @GetMapping("article/edit/{id}")
    @PreAuthorize("isAuthenticated()")
    public String edit(@PathVariable Integer id, Model model){
        Article article = this.articleRepository.findOne(id);

        if(article == null){
            return "redirect:/";
        }

        model.addAttribute("view", "article/edit");
        model.addAttribute("article", article);

        return "base-layout";
    }

    @PostMapping("article/edit/{id}")
    @PreAuthorize("isAuthenticated()")
    public String editProcess(@PathVariable Integer id, ArticleBindingModel articleBindingModel){
        Article article = this.articleRepository.findOne(id);

        if(article == null) {
            return "redirect:/";
        }

        article.setContent(articleBindingModel.getContent());
        article.setTitle(articleBindingModel.getTitle());

        this.articleRepository.saveAndFlush(article);

        return "redirect:/";
    }

    @GetMapping("article/delete{id}")
    @PreAuthorize("isAuthenticated()")
    public String delete(Model model, @PathVariable Integer id){
        Article article = this.articleRepository.findOne(id);

        if(article == null){
            return "redirect:/";
        }
        model.addAttribute("view", "article/delete");
        model.addAttribute("article", article);

        return "base-layout";
    }

    @PostMapping("article/delete{id}")
    @PreAuthorize("isAuthenticated()")
    public String deleteProcess(Model model,@PathVariable Integer id){
        Article article = this.articleRepository.findOne(id);

        if(article == null){
            return "redirect:/";
        }

        this.articleRepository.delete(article);

        return "redirect:/";
    }
}