package com.example.cosmosclient.views;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
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 com.example.cosmosclient.R;
import com.example.cosmosclient.app.Cosmos;
import com.example.cosmosclient.resources.UsersRest;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;

public class SigninActivity extends AppCompatActivity {
    private boolean uIdEnable;
    private boolean pwEnable;
    Button SigninButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_signin);

        //各種IDを取得
        SigninButton = findViewById(R.id.SigninButton);
        Button SignupButton = findViewById(R.id.SignupButton);
        final EditText NameText = findViewById(R.id.NameText);
        final EditText PasswordText = findViewById(R.id.PasswordText);
        Button ForgotPasswordButton = findViewById(R.id.ForgotPasswordButton);

        //ボタン無効化
        SigninButton.setEnabled(false);

        //TextWatcherで入力監視
        NameText.addTextChangedListener(new SigninActivity.GenericTextWatcher(NameText));
        PasswordText.addTextChangedListener(new SigninActivity.GenericTextWatcher(PasswordText));

        //retrofitの処理
        final Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/cosmos/")
                .addConverterFactory(JacksonConverterFactory.create())
                .build();
        //interfaceから実装を取得
        final UsersRest signinService = retrofit.create(UsersRest.class);

        //Sign inボタンの処理
        SigninButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //APIに値を送信
                Call<SigninResponse> call = signinService.loginList(NameText.getText().toString(), PasswordText.getText().toString());

                //サーバからのレスポンス
                call.enqueue(new Callback<SigninResponse>() {
                    //成功時
                    @Override
                    public void onResponse(Call<SigninResponse> call, Response<SigninResponse> response) {
                        if (response.isSuccessful()) {
                            SigninResponse result = response.body();
                            Cosmos app = (Cosmos)getApplication();
                            app.setToken(result.token);
                            Intent intent = new Intent(getApplication(), GroupList.class);
                            Toast.makeText(SigninActivity.this,
                                    "ログインしました", Toast.LENGTH_SHORT).show();

                            startActivity(intent);
                            finish();

                        }else{
                            //onFailureでキャッチできないエラーの処理
                            Toast.makeText(SigninActivity.this,
                                    "通信エラー",Toast.LENGTH_SHORT).show();
                        }
                    }

                    //失敗時
                    @Override
                    public void onFailure(Call<SigninResponse> call, Throwable t) {
                        //t.printStackTrace();
                        Toast.makeText(SigninActivity.this,
                                "ユーザIDもしくはパスワードが間違っています",Toast.LENGTH_SHORT).show();
                    }

                });
            }
        });

        //サインアップ画面への遷移処理
        SignupButton.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v){
                Intent intent = new Intent(getApplication(), SignupActivity.class);
                startActivity(intent);
                finish();
            }
        });

        //パスワード再登録画面への遷移処理
        ForgotPasswordButton.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v){
                Intent intent = new Intent(getApplication(), ForgotPasswordActivity.class);
                startActivity(intent);
                //finish();
            }
        });
    }
    private class GenericTextWatcher implements TextWatcher{
        private View view;

        private GenericTextWatcher(View view){
            this.view = view;
        }

        @Override
        public  void beforeTextChanged(CharSequence s, int start, int count,int after){/*記述不要*/};
        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count){/*記述不要*/};

        @Override
        public void afterTextChanged(Editable s){
            switch(view.getId()) {
                case R.id.NameText:
                    if (s.length() > 0) {
                        uIdEnable = true;
                    } else {
                        uIdEnable = false;
                    }
                    break;
                case R.id.PasswordText:
                    if(s.length()>0){
                        pwEnable=true;
                    }else{
                        pwEnable=false;
                    }
                    break;
            }
            //ボタン有効＆無効
            if(uIdEnable && pwEnable ){
                SigninButton.setEnabled(true);
            }else{
                SigninButton.setEnabled(false);
            }
        }
    }
}