package io.gitlab.jfronny.inceptum.launcher.api.account;

import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.Entitlements.GC_Entitlements;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.Profile.GC_Profile;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.request.LoginRequest.GC_LoginRequest;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.request.XblTokenRequest.GC_XblTokenRequest;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.request.XstsTokenRequest.GC_XstsTokenRequest;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.response.LoginResponse.GC_LoginResponse;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.response.OauthTokenResponse.GC_OauthTokenResponse;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.microsoft.response.XboxLiveAuthResponse.GC_XboxLiveAuthResponse;
import io.gitlab.jfronny.commons.HttpUtils;
import io.gitlab.jfronny.inceptum.launcher.model.microsoft.*;
import io.gitlab.jfronny.inceptum.launcher.model.microsoft.request.*;
import io.gitlab.jfronny.inceptum.launcher.model.microsoft.response.*;

import java.io.IOException;
import java.io.Reader;
import java.net.URISyntaxException;
import java.util.*;

public class MicrosoftAuthAPI {
    public static final String MICROSOFT_LOGIN_CLIENT_ID = "90890812-00d1-48a8-8d3f-38465ef43b58";
    public static final int MICROSOFT_LOGIN_REDIRECT_PORT = 28562;
    public static final String MICROSOFT_LOGIN_REDIRECT_URL = "http://127.0.0.1:" + MICROSOFT_LOGIN_REDIRECT_PORT;
    public static final String MICROSOFT_LOGIN_REDIRECT_URL_ENCODED = "http%3A%2F%2F127.0.0.1%3A"
            + MICROSOFT_LOGIN_REDIRECT_PORT;
    public static final String[] MICROSOFT_LOGIN_SCOPES = {"XboxLive.signin", "XboxLive.offline_access"};

    // General Microsoft login constants
    public static final String MICROSOFT_LOGIN_URL = "https://login.live.com/oauth20_authorize.srf" + "?client_id="
            + MICROSOFT_LOGIN_CLIENT_ID
            + "&prompt=select_account&cobrandid=8058f65d-ce06-4c30-9559-473c9275a65d&response_type=code" + "&scope="
            + String.join("%20", MICROSOFT_LOGIN_SCOPES) + "&redirect_uri=" + MICROSOFT_LOGIN_REDIRECT_URL_ENCODED;
    public static final String MICROSOFT_AUTH_TOKEN_URL = "https://login.live.com/oauth20_token.srf";
    public static final String MICROSOFT_XBL_AUTH_TOKEN_URL = "https://user.auth.xboxlive.com/user/authenticate";
    public static final String MICROSOFT_XSTS_AUTH_TOKEN_URL = "https://xsts.auth.xboxlive.com/xsts/authorize";
    public static final String MICROSOFT_MINECRAFT_LOGIN_URL = "https://api.minecraftservices.com/launcher/login";
    public static final String MICROSOFT_MINECRAFT_PROFILE_URL = "https://api.minecraftservices.com/minecraft/profile";
    public static final String MICROSOFT_MINECRAFT_ENTITLEMENTS_URL = "https://api.minecraftservices.com/entitlements/license?requestId=";

    public static OauthTokenResponse tradeCodeForAccessToken(String code) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.post(MICROSOFT_AUTH_TOKEN_URL)
                .bodyForm(Map.of("client_id", MICROSOFT_LOGIN_CLIENT_ID,
                        "code", code,
                        "grant_type", "authorization_code",
                        "redirect_uri", MICROSOFT_LOGIN_REDIRECT_URL,
                        "scope", String.join(" ", MICROSOFT_LOGIN_SCOPES)))
                .sendReader()) {
            return GC_OauthTokenResponse.read(r);
        }
    }

    public static OauthTokenResponse refreshAccessToken(String refreshToken) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.post(MICROSOFT_AUTH_TOKEN_URL)
                .bodyForm(Map.of("client_id", MICROSOFT_LOGIN_CLIENT_ID,
                        "refresh_token", refreshToken,
                        "grant_type", "refresh_token",
                        "redirect_uri", MICROSOFT_LOGIN_REDIRECT_URL))
                .sendReader()) {
            return GC_OauthTokenResponse.read(r);
        }
    }

    public static XboxLiveAuthResponse getXBLToken(String accessToken) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.post(MICROSOFT_XBL_AUTH_TOKEN_URL)
                .header("x-xbl-contract-version", "1")
                .bodyJson(GC_XblTokenRequest.toJson(new XblTokenRequest(
                        new XblTokenRequest.Properties(
                                "RPS",
                                "user.auth.xboxlive.com",
                                "d=" + accessToken
                        ),
                        "http://auth.xboxlive.com",
                        "JWT"
                )))
                .sendReader()) {
            return GC_XboxLiveAuthResponse.read(r);
        }
    }

    public static XboxLiveAuthResponse getXstsToken(String xblToken) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.post(MICROSOFT_XSTS_AUTH_TOKEN_URL)
                .header("x-xbl-contract-version", "1")
                .bodyJson(GC_XstsTokenRequest.toJson(new XstsTokenRequest(
                        new XstsTokenRequest.Properties(
                                "RETAIL",
                                List.of(xblToken)
                        ),
                        "rp://api.minecraftservices.com/",
                        "JWT"
                )))
                .sendReader()) {
            return GC_XboxLiveAuthResponse.read(r);
        }
    }

    public static LoginResponse loginToMinecraft(String xstsToken) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.post(MICROSOFT_MINECRAFT_LOGIN_URL)
                .bodyJson(GC_LoginRequest.toJson(new LoginRequest(
                        xstsToken,
                        "PC_LAUNCHER"
                )))
                .sendReader()) {
            return GC_LoginResponse.read(r);
        }
    }

    public static Entitlements getEntitlements(String accessToken) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.get(MICROSOFT_MINECRAFT_ENTITLEMENTS_URL + UUID.randomUUID()).bearer(accessToken).sendReader()) {
            return GC_Entitlements.read(r);
        }
    }

    public static Profile getMcProfile(String accessToken) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.get(MICROSOFT_MINECRAFT_PROFILE_URL).bearer(accessToken).sendReader()) {
            return GC_Profile.read(r);
        }
    }
}