BlindlyTeam/Blindly

package ch.epfl.sdp.blindly.profile_setup

import android.content.Intent
import android.os.Bundle
import android.view.View
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import ch.epfl.sdp.blindly.R
import ch.epfl.sdp.blindly.user.User
import kotlinx.serialization.json.Json

private const val MIN_LENGTH = 2
private const val MAX_LENGTH = 20
const val EXTRA_USER = "user"
private val REGEX = Regex("^[a-zA-Z]*$")

/**
 * Activity that asks for the name of the user.
 */
class ProfileName : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.profile_setup_name)
    }

    /**
     * Gets the name of the user as input, checks it to be alphabetical and within
     * character limits, if so passes it to builder and then fires Birthday Activity,
     * if not outputs error message
     *
     * @param view
     */
    fun startProfileBirthday(view: View) {
        findViewById<TextView>(R.id.warning1_p2).visibility = View.INVISIBLE
        findViewById<TextView>(R.id.warning2_p2).visibility = View.INVISIBLE
        findViewById<TextView>(R.id.warning3_p2).visibility = View.INVISIBLE

        val name = findViewById<TextView>(R.id.text_first_name).text.toString().trim()

        if (!name.matches(REGEX)) {
            findViewById<TextView>(R.id.warning3_p2).visibility = View.VISIBLE
        } else {
            val len = name.length
            when {
                len < MIN_LENGTH -> {
                    findViewById<TextView>(R.id.warning1_p2).visibility = View.VISIBLE
                }
                len > MAX_LENGTH -> {
                    findViewById<TextView>(R.id.warning2_p2).visibility = View.VISIBLE
                }
                else -> {
                    val userBuilder = User.Builder().setUsername(name)
                    val bundle = Bundle()
                    bundle.putSerializable(
                        EXTRA_USER,
                        Json.encodeToString(User.Builder.serializer(), userBuilder)
                    )
                    val intent = Intent(this, ProfileBirthday::class.java)
                    intent.putExtras(bundle)

                    startActivity(intent)
                }
            }
        }
    }
}