using UnityEngine;
using UnityEngine.SceneManagement;

public class ReadParameters : MonoBehaviour
{
    /*
        val intent = packageManager.getLaunchIntentForPackage("com.myrobot.RobotIngles")
        intent?.putExtra("screen", "conversation")
        startActivity(intent)

    ou

        val intent = Intent(Intent.ACTION_VIEW, Uri.parse("myrobotingles://open?screen=conversation"))
        startActivity(intent)

    ou

        adb shell am start -n com.myrobot.RobotIngles/com.unity3d.player.UnityPlayerActivity --es screen conversation
    */

    LoginAPI loginApi;
    static string screen = "";

    void Start()
    {
        loginApi = GetComponent<LoginAPI>();

        DontDestroyOnLoad(gameObject);

        screen = GetScreenFromAndroidIntent();

        if (PlayerPrefs.GetInt("Logado") == 1)
            StartCoroutine(loginApi.HttpLogin());
        else
            LoadScene();
    }

    public static void LoadScene()
    {
        if (!string.IsNullOrEmpty(screen))
        {
            PlayerPrefs.SetString("Cena", screen);
        }

        if (PlayerPrefs.GetInt("Logado") == 0)
            SceneManager.LoadScene("Login");
        //else if (screen == "conversation")
        //    SceneManager.LoadScene("FaceConversation");
        else
            SceneManager.LoadScene("SampleScene");
    }

    string GetScreenFromAndroidIntent()
    {
#if UNITY_ANDROID && !UNITY_EDITOR
        try
        {
            using (var unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
            using (var activity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity"))
            using (var intent = activity.Call<AndroidJavaObject>("getIntent"))
            {
                // 1) Deep link: Intent.getData()
                var data = intent.Call<AndroidJavaObject>("getData");
                if (data != null)
                {
                    string url = data.Call<string>("toString"); 
                    // Ex: meuapp://open?screen=conversation
                    var parsed = AndroidUriParseQuery(url, "screen");
                    if (!string.IsNullOrEmpty(parsed)) return parsed;
                }

                // 2) Extras: intent.getStringExtra("screen")
                string extra = intent.Call<string>("getStringExtra", "screen");
                if (!string.IsNullOrEmpty(extra)) return extra;
            }
        }
        catch (System.Exception e)
        {
            Debug.Log("Erro lendo Intent: " + e.Message);
        }
#endif
        return null;
    }

    // Parsing simples sem libs
    string AndroidUriParseQuery(string url, string key)
    {
        int idx = url.IndexOf('?');
        if (idx < 0) return null;
        string query = url.Substring(idx + 1);
        string[] parts = query.Split('&');
        foreach (var p in parts)
        {
            var kv = p.Split('=');
            if (kv.Length == 2 && kv[0] == key) return System.Uri.UnescapeDataString(kv[1]);
        }
        return null;
    }
}