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package com.example.gypsy;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.viewpager2.widget.ViewPager2;

import com.google.android.material.appbar.CollapsingToolbarLayout;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.Query;
import com.google.firebase.database.ValueEventListener;
import com.squareup.picasso.Picasso;

import java.util.ArrayList;
import java.util.List;

public class DynamicHotel extends AppCompatActivity {

    private ViewPager2 imageSliderViewPager;
    private HotelImageSliderAdapter imageSliderAdapter;
    private ArrayList<Uri> imageUris = new ArrayList<>();
    private LinearLayout sliderDotsPanel;
    private Button bookButton;
    private FloatingActionButton messageButton;
    private String recepientName;
    private String hotelUserId;

    private String currentUserName;
    private FirebaseAuth mAuth;
    private String currentUserId;


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

        // retrieve intent galing sa hotel fragment
        Intent intent = getIntent();
        String hotelId = intent.getStringExtra("hotelKey");
        Log.d("DynamicHotel", "hotelId: " + hotelId);

        mAuth = FirebaseAuth.getInstance();
        FirebaseUser currentUser = mAuth.getCurrentUser();
        if (currentUser != null) {
            currentUserId = currentUser.getUid();
            Log.d("DynamicHotel", "currentUserId: " + currentUserId);
        }

        bookButton = findViewById(R.id.book_button);
        messageButton = findViewById(R.id.messageButton);

        imageSliderViewPager = findViewById(R.id.imageSliderViewPager);
        sliderDotsPanel = findViewById(R.id.dotsLayout2);

        imageSliderAdapter = new HotelImageSliderAdapter(this, imageUris, imageSliderViewPager, sliderDotsPanel);
        imageSliderViewPager.setAdapter(imageSliderAdapter);

        imageSliderAdapter.updateDotsIndicator(0);
        imageSliderViewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
            @Override
            public void onPageSelected(int position) {
                super.onPageSelected(position);
                imageSliderAdapter.updateDotsIndicator(position);
            }
        });

        bookButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(DynamicHotel.this, BookForm.class);
                intent.putExtra("hotelKey", hotelId);
                Log.d("bookButton", "hotelId: " + hotelId);
                startActivity(intent);
            }
        });

        Button mapButton = findViewById(R.id.map);
        mapButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Directly navigate to the map when the "View in map" button is clicked
                navigateToMap(hotelId);
            }
        });
        queryHotelUserId(hotelId);
        retrieveHotelUserName(hotelId);
        retrieveCurrentUserName(currentUserId);

        messageButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                Intent intent = new Intent(DynamicHotel.this, TouristHotelChat.class);
                intent.putExtra("recipientUserId", hotelUserId);
                intent.putExtra("recipientUserName", recepientName);
                intent.putExtra("currentUserName", currentUserName);

                Log.d("DynamicHotel messageButton", "recipientUserId : " + hotelUserId);
                Log.d("DynamicHotel messageButton", "recipientName : " + recepientName);
                Log.d("DynamicHotel messageButton", "currentUserName: " + currentUserName);
                startActivity(intent);
            }
        });

        retrieve(hotelId);
    }
    private void navigateToMap(String hotelId) {
        Intent intent = new Intent(DynamicHotel.this, DynamicHotelMap.class);
        intent.putExtra("hotelId", hotelId);
        startActivity(intent);
    }

    public void retrieve(String hotelId){

        TextView hotelNameTV = findViewById(R.id.nameTextView);
        TextView hotelDescriptionTV = findViewById(R.id.descriptionTextView);
        TextView amenitiesTV = findViewById(R.id.amenitiesTextView);

        TextView hotelAddressTV = findViewById(R.id.addressTextView);
        TextView hotelContactTV = findViewById(R.id.contactTextView);
        TextView hotelEmailTV = findViewById(R.id.emailTextView);
        TextView cancellationPolicyTV = findViewById(R.id.cancellationPolicyTextView);

        DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference();
        DatabaseReference hotelRef = databaseReference.child("hotels").child(hotelId);

        hotelRef.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                Log.d("DynamicHotel", "onDataChange called");
                if (dataSnapshot.exists()) {
                    String title = dataSnapshot.child("name").getValue(String.class);
                    String hotelAddress = dataSnapshot.child("address").getValue(String.class);
                    String amenities = dataSnapshot.child("amenities").getValue(String.class);
                    String description = dataSnapshot.child("description").getValue(String.class);
                    String hotelContact = dataSnapshot.child("contact").getValue(String.class);
                    String hotelEmail = dataSnapshot.child("email").getValue(String.class);
                    String cancellationPolicy = dataSnapshot.child("cancellationPolicy").getValue(String.class);

                    hotelNameTV.setText(title);
                    hotelDescriptionTV.setText(description);
                    amenitiesTV.setText(amenities);
                    hotelAddressTV.setText(hotelAddress);
                    hotelContactTV.setText(hotelContact);
                    hotelEmailTV.setText(hotelEmail);
                    cancellationPolicyTV.setText(cancellationPolicy);

                    imageUris.clear();
                    DataSnapshot imagesSnapshot = dataSnapshot.child("images");
                    for (DataSnapshot imageSnapshot : imagesSnapshot.getChildren()) {
                        String imageUrl = imageSnapshot.getValue(String.class);
                        Uri uri = Uri.parse(imageUrl);
                        imageUris.add(uri);
                    }

                    imageSliderAdapter.setImageUris(imageUris);
                    imageSliderAdapter.notifyDataSetChanged();

                    // kahit wag na lagyan ng title
                    //CollapsingToolbarLayout collapsingToolbar = findViewById(R.id.Collapsing_toolbar);
                    //collapsingToolbar.setTitle(title);

                }
            }
            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {
                Log.e("DynamicHotel", "Failed to retrieve hotel data: " + databaseError.getMessage());
            }
        });
    }

    private void queryHotelUserId(String hotelId) {
        DatabaseReference hotelRef = FirebaseDatabase.getInstance().getReference().child("hotels").child(hotelId);
        hotelRef.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()) {
                    hotelUserId = dataSnapshot.child("user_id").getValue(String.class);
                    Log.d("DynamicHotel", "hotelUserId / recipientId: " + hotelUserId);

                    // You can perform any additional actions here after obtaining hotelUserId
                }
            }

            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {
                Log.e("DynamicHotel", "Database error: " + databaseError.getMessage());
            }
        });
    }
    private void retrieveHotelUserName(String hotelId) {
        DatabaseReference hotelRef = FirebaseDatabase.getInstance().getReference().child("hotels").child(hotelId);
        hotelRef.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()) {
                    hotelUserId = dataSnapshot.child("user_id").getValue(String.class);
                    Log.d("RetrieveHotelUserName", "hotelUserId: " + hotelUserId);
                    retrieveHotelName(hotelUserId);
                }
            }

            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {
                Log.e("DynamicHotel", "Hotel user id retrieval cancelled: " + databaseError.getMessage());
            }
        });
    }
    private void retrieveHotelName(String hotelUserId) {
        DatabaseReference usersRef = FirebaseDatabase.getInstance().getReference().child("users").child("Hotel").child(hotelUserId);
        usersRef.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()) {
                    recepientName = dataSnapshot.child("name").getValue(String.class);
                    Log.d("retrieveHotelName", "recepientName: " + recepientName);
                }
            }

            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {
                Log.e("DynamicHotel", "Hotel user name retrieval cancelled: " + databaseError.getMessage());
            }
        });
    }
    private void retrieveCurrentUserName(String currentUserId) {
        DatabaseReference usersRef = FirebaseDatabase.getInstance().getReference().child("users").child("Tourist").child(currentUserId);
        Log.d("DynamicHotel", " User ref: " + usersRef);
        usersRef.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()) {
                    currentUserName = dataSnapshot.child("name").getValue(String.class);
                    Log.d("DynamicHotel", "Current User Name: " + currentUserName);
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
                Log.e("BookingDetail", "Current user name retrieval cancelled: " + databaseError.getMessage());
            }
        });

    }

    public void goBack(View view) {
        onBackPressed();
    }
}