package com.parentalmonitor.child.ui.login

import android.content.Intent
import android.os.Bundle
import android.view.View
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.lifecycleScope
import com.parentalmonitor.child.ParentalMonitorApp
import com.parentalmonitor.child.R
import com.parentalmonitor.child.ui.main.MainActivity
import com.parentalmonitor.child.ui.paircode.PairCodeActivity
import kotlinx.coroutines.launch

class LoginActivity : AppCompatActivity() {

    private val apiClient by lazy { (application as ParentalMonitorApp).apiClient }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        // Check if already logged in and device linked
        if (apiClient.isLoggedIn && apiClient.isDeviceLinked) {
            startActivity(Intent(this, MainActivity::class.java))
            finish()
            return
        }

        // If logged in but no device linked, go to pair code
        if (apiClient.isLoggedIn && !apiClient.isDeviceLinked) {
            startActivity(Intent(this, PairCodeActivity::class.java))
            finish()
            return
        }

        setContentView(R.layout.activity_login)

        val etEmail = findViewById<com.google.android.material.textfield.TextInputEditText>(R.id.etEmail)
        val etPassword = findViewById<com.google.android.material.textfield.TextInputEditText>(R.id.etPassword)
        val btnLogin = findViewById<com.google.android.material.button.MaterialButton>(R.id.btnLogin)
        val progressBar = findViewById<android.widget.ProgressBar>(R.id.progressBar)
        val tvError = findViewById<android.widget.TextView>(R.id.tvError)
        btnLogin.setOnClickListener {
            val email = etEmail.text.toString().trim()
            val password = etPassword.text.toString()

            if (email.isEmpty() || password.isEmpty()) {
                tvError.text = "Please fill in all fields."
                tvError.visibility = View.VISIBLE
                return@setOnClickListener
            }

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

            lifecycleScope.launch {
                val result = apiClient.login(email, password)

                progressBar.visibility = View.GONE
                btnLogin.isEnabled = true

                if (result.success && result.data != null) {
                    apiClient.accessToken = result.data.accessToken
                    apiClient.refreshToken = result.data.refreshToken
                    apiClient.userId = result.data.user.id
                    apiClient.userName = result.data.user.name
                    apiClient.userEmail = result.data.user.email

                    Toast.makeText(this@LoginActivity, "Login successful!", Toast.LENGTH_SHORT).show()
                    startActivity(Intent(this@LoginActivity, PairCodeActivity::class.java))
                    finish()
                } else {
                    tvError.text = result.message
                    tvError.visibility = View.VISIBLE
                }
            }
        }
    }

}