package client;

import org.springframework.http.*;
import org.springframework.web.client.RestTemplate;
import server.Word;

public class MyClient {

    private static final RestTemplate restTemplate = new RestTemplate();
    private static final String serverAddress = "http://localhost:1337";

    public static void main(String[] args) {

        // POST
        String postPath = "/dictionary/add";
        Word word = new Word("computer", "an electronic machine that can store and arrange large amounts of information");
        ResponseEntity<String> postResponse = postRequest(serverAddress + postPath, word);
        System.out.println(postResponse);

        // GET #1
        String getPath = "/dictionary/get/computer";
        ResponseEntity<String> getResponse = getRequest(serverAddress + getPath);
        System.out.println(getResponse);
        System.out.println(getResponse.getBody());

        // PUT
        String putPath = "/dictionary/modify";
        word = new Word("computer", "little box with many wires and a huge number of bright lights");
        ResponseEntity<String> putResponse = putRequest(serverAddress + putPath, word);
        System.out.println(putResponse);

        // GET #2
        getResponse = getRequest(serverAddress + getPath);
        System.out.println(getResponse);
        System.out.println(getResponse.getBody());

        // DELETE
        String deletePath = "/dictionary/delete/computer";
        ResponseEntity<String> deleteResponse = deleteRequest(serverAddress + deletePath);
        System.out.println(deleteResponse);

        // GET #3
        getResponse = getRequest(serverAddress + getPath);
        System.out.println(getResponse);
        System.out.println(getResponse.getBody());
    }

    public static ResponseEntity<String> postRequest(String url, Word word) {
        try {
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity<Word> request = new HttpEntity<>(word, headers);
            return restTemplate.postForEntity(url, request, String.class);
        } catch (Exception e) {
            System.out.println("Server not available: " + e.getMessage());
            return new ResponseEntity<>(HttpStatus.SERVICE_UNAVAILABLE);
        }
    }

    public static ResponseEntity<String> getRequest(String url) {
        try {
            return restTemplate.getForEntity(url, String.class);
        } catch (Exception e) {
            System.out.println("Server not available: " + e.getMessage());
            return new ResponseEntity<>(HttpStatus.SERVICE_UNAVAILABLE);
        }
    }

    public static ResponseEntity<String> putRequest(String url, Word word) {
        try {
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity<Word> request = new HttpEntity<>(word, headers);
            restTemplate.put(url, request);
            return new ResponseEntity<>("PUT successful", HttpStatus.OK);
        } catch (Exception e) {
            System.out.println("Server not available: " + e.getMessage());
            return new ResponseEntity<>(HttpStatus.SERVICE_UNAVAILABLE);
        }
    }

    public static ResponseEntity<String> deleteRequest(String url) {
        try {
            restTemplate.delete(url);
            return new ResponseEntity<>("DELETE successful", HttpStatus.OK);
        } catch (Exception e) {
            System.out.println("Server not available: " + e.getMessage());
            return new ResponseEntity<>(HttpStatus.SERVICE_UNAVAILABLE);
        }
    }
}