package com.community.pocket.ui.register;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;

import com.community.pocket.R;
import com.community.pocket.ui.BaseActivity;
import com.community.pocket.ui.login.LoginActivity;
import com.community.pocket.util.PropertiesUtil;

import org.xutils.view.annotation.ContentView;
import org.xutils.view.annotation.Event;
import org.xutils.view.annotation.ViewInject;

/**
 * 注册界面
 */
@ContentView(R.layout.activity_register)
public class RegisterActivity extends BaseActivity {


    private RegisterViewModel registerViewModel;

    //用户名
    @ViewInject(R.id.username)
    private EditText username;

    //密码
    @ViewInject(R.id.password)
    private EditText password;

    //确认密码
    @ViewInject(R.id.confirmPassword)
    private EditText confirmPassword;

    //手机号
    @ViewInject(R.id.phone)
    private EditText mobiePhone;

    //邮箱
    @ViewInject(R.id.email)
    private EditText email;

    //注册按钮
    @ViewInject(R.id.register)
    private Button registerButton;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        registerViewModel = new ViewModelProvider(this, new RegisterViewModelFactory()).get(RegisterViewModel.class);
        //监听注册表单校验状态
        registerViewModel.getRegisterFormState().observe(this, new Observer<RegisterFormState>() {
            @Override
            public void onChanged(RegisterFormState registerFormState) {
                if (registerFormState == null) {
                    return;
                }
                registerButton.setEnabled(registerFormState.isDataValid());
                if (registerFormState.getUsernameError() != null) {
                    username.setError(getString(registerFormState.getUsernameError(), PropertiesUtil.getIntValue("username.length")));
                }
                if (registerFormState.getPasswordError() != null) {
                    password.setError(getString(registerFormState.getPasswordError(), PropertiesUtil.getIntValue("password.length")));
                }
                if (registerFormState.getConfirmPasswordError() != null) {
                    if (registerFormState.getConfirmPasswordError() == R.string.invalid_password) {
                        confirmPassword.setError(getString(registerFormState.getConfirmPasswordError(), PropertiesUtil.getIntValue("password.length")));
                    } else {
                        confirmPassword.setError(getString(registerFormState.getConfirmPasswordError()));
                    }
                }
                if (registerFormState.getPhoneError() != null) {
                    mobiePhone.setError(getString(registerFormState.getPhoneError()));
                }
                if (registerFormState.getEmailError() != null) {
                    email.setError(getString(registerFormState.getEmailError()));
                }
            }
        });

        TextWatcher afterTextChangedListener = new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
                // ignore
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                // ignore
            }

            @Override
            public void afterTextChanged(Editable s) {
                registerViewModel.registerDataChanged(username.getText().toString(),
                        password.getText().toString(), confirmPassword.getText().toString(), mobiePhone.getText().toString(), email.getText().toString());
            }
        };

        username.addTextChangedListener(afterTextChangedListener);
        password.addTextChangedListener(afterTextChangedListener);
        confirmPassword.addTextChangedListener(afterTextChangedListener);
        mobiePhone.addTextChangedListener(afterTextChangedListener);
        email.addTextChangedListener(afterTextChangedListener);

        //监听注册请求结果
        registerViewModel.getRegisterResult().observe(this, new Observer<RegisterResult>() {
            @Override
            public void onChanged(RegisterResult registerResult) {
                if (registerResult == null) {
                    return;
                }

                if (registerResult.getError() != null) {
                    Toast.makeText(getApplicationContext(), R.string.register_fail, Toast.LENGTH_SHORT).show();
                }
                if (registerResult.getSuccess() != null) {
                    Toast.makeText(getApplicationContext(), R.string.register_ok, Toast.LENGTH_SHORT).show();
                    startActivity(new Intent(getApplicationContext(), LoginActivity.class));
                    //Complete and destroy login activity once successful
                    finish();
                }

                setResult(Activity.RESULT_OK);

            }
        });

    }

    @Event(value = R.id.register)
    private void register(View v) {
        registerViewModel.register(username.getText().toString(), password.getText().toString(), confirmPassword.getText().toString(), mobiePhone.getText().toString(), email.getText().toString());
    }

    @Event(value = R.id.back)
    private void back(View v) {
        startActivity(new Intent(this, LoginActivity.class));
        finish();
    }
}