package com.example.cosmosclient.views;

import android.content.Intent;
import android.os.Handler;
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.entities.SigninResponse;
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 RequestPermissionsActivity {
    private boolean uIdEnable;
    private boolean pwEnable;
    private 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 UserIdText = findViewById(R.id.UserIdText);
        final EditText PasswordText = findViewById(R.id.PasswordText);
        Button ForgotPasswordButton = findViewById(R.id.ForgotPasswordButton);

        Cosmos app = (Cosmos) getApplication();
        String account  = app.getuId();
        String token = app.getToken();

//        //ログアウトしていない場合singnin画面を表示しない
//        if(token != ""){
//            Intent intent = new Intent(getApplication(), GroupListActivity.class);
//            startActivity(intent);
//            finish();
//        }

        // 空チェック
        if (account != null && account.length() > 0) {
            // 保存済の情報をログインID欄に設定
            UserIdText.setText(account);
            uIdEnable=true;
            //UserIdText.setEnabled(false);
        }

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

        //TextWatcherで入力監視
        UserIdText.addTextChangedListener(new SigninActivity.GenericTextWatcher(UserIdText));
        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/rest/")
                .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) {
                //ボタン連打防止
                SigninButton.setEnabled(false);
                new Handler().postDelayed(new Runnable() {
                    public void run() {
                        SigninButton.setEnabled(true);
                    }
                }, 1000L);

                //APIに値を送信
                Call<SigninResponse> call = signinService.login(UserIdText.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()) {
                            if (response.body() == null){
                                //パスワードが違う際、アプリが落ちてしまうため
                                Toast.makeText(SigninActivity.this,
                                        "パスワードが違います",Toast.LENGTH_LONG).show();
                            } else {
                                SigninResponse result = response.body();

                                //app/Cosmosに情報保存
                                Cosmos app = (Cosmos) getApplication();
                                app.setToken(result.token);
                                app.setuId(UserIdText.getText().toString());

                                //画面遷移
                                Intent intent = new Intent(getApplication(), GroupListActivity.class);
                                startActivity(intent);
                                Toast.makeText(SigninActivity.this,
                                        "ログインしました", Toast.LENGTH_SHORT).show();
                                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.UserIdText:
                    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);
            }
        }
    }

}