package com.example.pap;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

import java.util.HashMap;
import java.util.Map;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class MudarEmailActivity extends AppCompatActivity {

    private EditText etAlterarEmail, etAlterarPassword1, etAlterarPassword2;
    private Button btnConfirmarEmailNovo;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_mudar_email);

        etAlterarEmail = findViewById(R.id.etAlterarEmail);
        etAlterarPassword1 = findViewById(R.id.etAlterarPassword1);
        etAlterarPassword2 = findViewById(R.id.etAlterarPassword2);
        btnConfirmarEmailNovo = findViewById(R.id.btnConfirmarEmailNovo);

        findViewById(R.id.btnVoltarMudarEmail).setOnClickListener(v -> finish());

        SharedPreferences dadosPrefs = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);

        btnConfirmarEmailNovo.setOnClickListener(v -> {
            String novoEmail = etAlterarEmail.getText().toString().trim();
            String pass1 = etAlterarPassword1.getText().toString().trim();
            String pass2 = etAlterarPassword2.getText().toString().trim();

            if (novoEmail.isEmpty() || pass1.isEmpty() || pass2.isEmpty()) {
                Toast.makeText(this, "Preenche todos os campos!", Toast.LENGTH_SHORT).show();
                return;
            }

            // 1. Validação: Verifica se os dois campos de password antiga coincidem
            if (!pass1.equals(pass2)) {
                Toast.makeText(this, "As confirmações de password não coincidem!", Toast.LENGTH_SHORT).show();
                return;
            }

            // 2. Validação: Verifica se a password escrita é mesmo a senha correta da conta
            String passwordReal = dadosPrefs.getString("password", "");
            if (!passwordReal.isEmpty() && !pass1.equals(passwordReal)) {
                Toast.makeText(this, "A password atual introduzida está errada!", Toast.LENGTH_SHORT).show();
                return;
            }

            String token = dadosPrefs.getString("access_token", "");
            if (token.isEmpty()) {
                Toast.makeText(this, "Erro: Faz login novamente.", Toast.LENGTH_LONG).show();
                return;
            }

            // Envia as alterações para o Supabase
            Map<String, String> updates = new HashMap<>();
            updates.put("email", novoEmail);

            SupabaseApi api = SupabaseConfig.getRetrofit().create(SupabaseApi.class);
            api.updateUserData(SupabaseConfig.SUPABASE_KEY, "Bearer " + token, updates).enqueue(new Callback<Void>() {
                @Override
                public void onResponse(Call<Void> call, Response<Void> response) {
                    if (response.isSuccessful()) {
                        Toast.makeText(MudarEmailActivity.this, "Vai à caixa do novo email confirmar!", Toast.LENGTH_LONG).show();
                        finish();
                    } else {
                        Toast.makeText(MudarEmailActivity.this, "Erro ao mudar o email no Supabase.", Toast.LENGTH_LONG).show();
                    }
                }

                @Override
                public void onFailure(Call<Void> call, Throwable t) {
                    Toast.makeText(MudarEmailActivity.this, "Falha na internet.", Toast.LENGTH_SHORT).show();
                }
            });
        });
    }
}