package com.duesk.api;

import okhttp3.*;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.duesk.api.models.*;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.List;
import java.util.concurrent.TimeUnit;

public class ApiClient {
    private static final String BASE_URL = "https://paul-koop.org/api/";
    private static final OkHttpClient client = new OkHttpClient.Builder()
            .connectTimeout(30, TimeUnit.SECONDS)
            .readTimeout(30, TimeUnit.SECONDS)
            .build();
    private static final Gson gson = new GsonBuilder().create();
    
    public static LoginResponse login(String username, String password) throws IOException {
        String json = "{\"username\":\"" + username + "\",\"password\":\"" + password + "\"}";
        RequestBody body = RequestBody.create(json, MediaType.parse("application/json"));
        Request request = new Request.Builder()
                .url(BASE_URL + "api_login.php")
                .post(body)
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            String responseBody = response.body().string();
            return gson.fromJson(responseBody, LoginResponse.class);
        }
    }
    
    public static List<Profile> getProfiles() throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return null;
        
        Request request = new Request.Builder()
                .url(BASE_URL + "api_profiles.php")
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            String responseBody = response.body().string();
            Type listType = new TypeToken<List<Profile>>(){}.getType();
            return gson.fromJson(responseBody, listType);
        }
    }
    
    public static Profile getProfile(String profileId) throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return null;
        
        Request request = new Request.Builder()
                .url(BASE_URL + "api_profiles.php?id=" + profileId)
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            String responseBody = response.body().string();
            return gson.fromJson(responseBody, Profile.class);
        }
    }
    
    public static boolean createProfile(Profile profile) throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return false;
        
        String json = gson.toJson(profile);
        RequestBody body = RequestBody.create(json, MediaType.parse("application/json"));
        Request request = new Request.Builder()
                .url(BASE_URL + "api_profiles.php")
                .post(body)
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            return response.isSuccessful();
        }
    }
    
    public static boolean updateProfile(Profile profile) throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return false;
        
        String json = gson.toJson(profile);
        RequestBody body = RequestBody.create(json, MediaType.parse("application/json"));
        Request request = new Request.Builder()
                .url(BASE_URL + "api_profiles.php")
                .put(body)
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            return response.isSuccessful();
        }
    }
    
    public static boolean deleteProfile(String profileId) throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return false;
        
        Request request = new Request.Builder()
                .url(BASE_URL + "api_profiles.php?id=" + profileId)
                .delete()
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            return response.isSuccessful();
        }
    }
    
    public static List<Group> getGroups() throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return null;
        
        Request request = new Request.Builder()
                .url(BASE_URL + "api_groups.php")
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            String responseBody = response.body().string();
            Type listType = new TypeToken<List<Group>>(){}.getType();
            return gson.fromJson(responseBody, listType);
        }
    }
    
    public static boolean createGroup(String groupName) throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return false;
        
        String json = "{\"name\":\"" + groupName + "\"}";
        RequestBody body = RequestBody.create(json, MediaType.parse("application/json"));
        Request request = new Request.Builder()
                .url(BASE_URL + "api_groups.php")
                .post(body)
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            return response.isSuccessful();
        }
    }
    
    public static boolean deleteGroup(int groupId) throws IOException {
        if (!SessionManager.getInstance().isLoggedIn()) return false;
        
        Request request = new Request.Builder()
                .url(BASE_URL + "api_groups.php?id=" + groupId)
                .delete()
                .addHeader("X-User-ID", SessionManager.getInstance().getUserId())
                .addHeader("X-Session", SessionManager.getInstance().getSession())
                .build();
        
        try (Response response = client.newCall(request).execute()) {
            return response.isSuccessful();
        }
    }
}