package com.community.pocket.ui.resetpwd;

import android.os.Build;
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.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.navigation.fragment.NavHostFragment;

import com.community.pocket.R;
import com.community.pocket.ui.BaseFragment;
import com.community.pocket.ui.listener.MyTextChange;
import com.community.pocket.util.Param;

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

import java.util.Objects;

/**
 * 重置密码第二步，发送验证码，输入
 */
@ContentView(R.layout.step2)
public class ResetPwdStep2 extends BaseFragment {

    @ViewInject(R.id.username)
    private EditText username;

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

    //验证码
    @ViewInject(R.id.code)
    private EditText code;

    //发送验证码按钮
    @ViewInject(R.id.sendcode)
    private Button sendCode;

    //下一步按钮
    @ViewInject(R.id.next)
    private Button next;

    private ResetPwdViewModel resetPwdViewModel;

    /**
     * 返回第一步输入账号邮箱
     */
    @Event(value = R.id.back)
    private void onClick(View view) {
        NavHostFragment.findNavController(ResetPwdStep2.this)
                .navigate(R.id.action_Second2Fragment_to_First2Fragment);
    }

    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        username.setText(Objects.requireNonNull(getArguments()).getString(Param.username.name()));
        email.setText(Objects.requireNonNull(getArguments()).getString(Param.email.name()));

        resetPwdViewModel = new ViewModelProvider(this, new ResetPwdViewModelFactory()).get(ResetPwdViewModel.class);

        //监控表单数据校验状态
        resetPwdViewModel.getResetPwdFormStep2().observe(getViewLifecycleOwner(), new Observer<ResetPwdFormState.Step2>() {
            @Override
            public void onChanged(ResetPwdFormState.Step2 step2) {
                if (step2 == null) {
                    return;
                }

                next.setEnabled(step2.isDataValid());

                if (step2.getCodeError() != null) {
                    code.setError(getString(step2.getCodeError()));
                }

            }
        });

        //监听输入框文本
        TextWatcher afterTextChangedListener = new MyTextChange() {
            @Override
            public void afterTextChanged(Editable s) {
                resetPwdViewModel.resetpwdStep2Changed(code.getText().toString());
            }
        };
        code.addTextChangedListener(afterTextChangedListener);

        resetPwdViewModel.getResetPwdResultStep2().observe(getViewLifecycleOwner(), new Observer<ResetPwdResponse>() {
            @Override
            public void onChanged(ResetPwdResponse resetPwdResponse) {
                if (resetPwdResponse == null) {
                    return;
                }

                if (resetPwdResponse.getSuccess() != null) {
                    Toast.makeText(getContext(), resetPwdResponse.getSuccess(), Toast.LENGTH_LONG).show();
                    if (resetPwdResponse.getSuccess() == R.string.resetpwd_step2_ok) {
                        code.setEnabled(true);
                    } else {
                        Bundle bundle = new Bundle();
                        bundle.putString(Param.username.name(), username.getText().toString());
                        NavHostFragment.findNavController(ResetPwdStep2.this)
                                .navigate(R.id.action_Second2Fragment_to_threeFragment, bundle);
                    }
                }

                if (resetPwdResponse.getError() != null) {
                    Toast.makeText(getContext(), resetPwdResponse.getError(), Toast.LENGTH_LONG).show();
                    if (resetPwdResponse.getError() == R.string.resetpwd_step2_fail) {
                        code.setEnabled(false);
                    }
                }
            }
        });
    }

    /**
     * 进入下一步重置密码
     */
    @Event(value = R.id.next)
    private void next(View view) {
        resetPwdViewModel.checkCode(username.getText().toString(), email.getText().toString(), code.getText().toString());
    }

    /**
     * 发送验证码
     */
    @Event(value = R.id.sendcode)
    private void sendCode(View view) {
        resetPwdViewModel.sendCode(username.getText().toString(), email.getText().toString());
    }
}