package com.covalima.rekomendasaunaihan.ui.auth

import android.content.Intent
import android.os.Bundle
import android.view.View
import androidx.appcompat.app.AppCompatActivity
import com.covalima.rekomendasaunaihan.MainActivity
import com.covalima.rekomendasaunaihan.databinding.ActivityLoginBinding
import com.covalima.rekomendasaunaihan.model.ApiResponse
import com.covalima.rekomendasaunaihan.model.LoginRequest
import com.covalima.rekomendasaunaihan.model.User
import com.covalima.rekomendasaunaihan.network.ApiClient
import com.covalima.rekomendasaunaihan.util.SessionManager
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response

class LoginActivity : AppCompatActivity() {

    private lateinit var binding: ActivityLoginBinding
    private lateinit var session: SessionManager

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityLoginBinding.inflate(layoutInflater)
        setContentView(binding.root)

        session = SessionManager(this)

        // Se user ona login antes, liu direta ba MainActivity
        if (session.isLoggedIn()) {
            goToMain()
            return
        }

        binding.btnLogin.setOnClickListener { doLogin() }
        binding.tvGoRegister.setOnClickListener {
            startActivity(Intent(this, RegisterActivity::class.java))
        }
    }

    private fun doLogin() {
        val email = binding.etEmail.text.toString().trim()
        val password = binding.etPassword.text.toString()

        if (email.isEmpty() || password.isEmpty()) {
            showError("Favór hatama email no password")
            return
        }

        binding.progressBar.visibility = View.VISIBLE
        binding.btnLogin.isEnabled = false
        binding.tvError.visibility = View.GONE

        ApiClient.apiService.loginUser(LoginRequest(email, password))
            .enqueue(object : Callback<ApiResponse<User>> {
                override fun onResponse(call: Call<ApiResponse<User>>, response: Response<ApiResponse<User>>) {
                    binding.progressBar.visibility = View.GONE
                    binding.btnLogin.isEnabled = true

                    val body = response.body()
                    if (body?.status == "success" && body.data != null) {
                        session.saveUser(body.data)
                        goToMain()
                    } else {
                        showError(body?.message ?: "Login falha")
                    }
                }

                override fun onFailure(call: Call<ApiResponse<User>>, t: Throwable) {
                    binding.progressBar.visibility = View.GONE
                    binding.btnLogin.isEnabled = true
                    showError("Konesaun falha: ${t.message}")
                }
            })
    }

    private fun showError(msg: String) {
        binding.tvError.text = msg
        binding.tvError.visibility = View.VISIBLE
    }

    private fun goToMain() {
        startActivity(Intent(this, MainActivity::class.java))
        finish()
    }
}