package br.ufc.mandacaru5.service;

import java.io.IOException;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.google.gson.Gson;

import br.ufc.mandacaru5.model.Post;
import br.ufc.mandacaru5.util.Properties;
import okhttp3.Call;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

@Service
public class PostService {

    @Autowired
    Properties properties;

    private static final String BASE_URL = "https://jsonplaceholder.typicode.com/posts";
    private Gson gson;

    public PostService() {
        gson = new Gson();
    }

    public Post findPostByRequest(int id) {
        OkHttpClient client = new OkHttpClient.Builder().build();

        Request request = new Request.Builder().url(BASE_URL + "/" + id).build();

        Call call = client.newCall(request);

        try {
            Response response = call.execute();
            Post post = gson.fromJson(response.body().string(), Post.class);
            properties.setPost(post.getTitle());

            return post;
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    public List<Post> findAllPostsByRequest() {
        OkHttpClient client = new OkHttpClient.Builder().build();

        Request request = new Request.Builder().url(BASE_URL).build();

        Call call = client.newCall(request);

        try {
            Response response = call.execute();
            return gson.fromJson(response.body().string(), List.class);
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    public Post saveByRequest(Post post) {
        OkHttpClient client = new OkHttpClient.Builder().build();

        String postJson = gson.toJson(post);
        MediaType mediaType = MediaType.parse("application/json");
        RequestBody body = RequestBody.create(postJson, mediaType);

        Request request = new Request.Builder().url(BASE_URL).post(body).build();

        Call call = client.newCall(request);

        try {
            Response response = call.execute();
            return gson.fromJson(response.body().string(), Post.class);
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    public Post updateByRequest(int id, Post post) {
        OkHttpClient client = new OkHttpClient.Builder().build();

        String postJson = gson.toJson(post);
        MediaType mediaType = MediaType.parse("application/json");
        RequestBody body = RequestBody.create(postJson, mediaType);

        Request request = new Request.Builder().url(BASE_URL + "/" + id).put(body).build();

        Call call = client.newCall(request);

        try {
            Response response = call.execute();;
            return gson.fromJson(response.body().string(), Post.class);
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    public void deleteByRequest(int id) {
        OkHttpClient client = new OkHttpClient.Builder().build();

        Request request = new Request.Builder().url(BASE_URL + "/" + id).delete().build();

        Call call = client.newCall(request);

        try {
            call.execute();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}