package com.hjx.parent;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.os.Bundle;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.lifecycle.MutableLiveData;

import com.bumptech.glide.Glide;
import com.chad.library.adapter.base.BaseQuickAdapter;
import com.chad.library.adapter.base.BaseViewHolder;
import com.hjx.parent.databinding.ActivityHomeworkSelectBinding;
import com.hjx.parent.function.Function1;
import com.hjx.parent.rx.BaseRxActivity;
import com.prws.common.bean.Student;
import com.prws.common.bean.homework.HomeWork;
import com.prws.common.bean.homework.HomeworkList;

import java.util.ArrayList;

public class HomeworkSelectActivity extends BaseRxActivity<ActivityHomeworkSelectBinding> {

    private Student student;
    private HomeworkList mData;
    private ArrayList<HomeWork> mList;
    private Adapter mAdapter = new Adapter();

    MutableLiveData<Integer> selectNum = new MutableLiveData<>(0);

    @SuppressLint("NotifyDataSetChanged")
    @SuppressWarnings("unchecked,ConstantConditions")
    @Override
    public void initView(Bundle savedInstanceState) {
        binding.toolbar.setNavigationOnClickListener(v -> onBackPressed());
        student = (Student) getIntent().getSerializableExtra("student");
        mData = (HomeworkList) getIntent().getSerializableExtra("data");
        mList = (ArrayList<HomeWork>) getIntent().getSerializableExtra("list");

        mAdapter.setNewData(mList);
        binding.recyclerView.setAdapter(mAdapter);

        mAdapter.selectCall = i -> selectNum.setValue(selectNum.getValue() + i);
        selectNum.observe(this, i -> {
            binding.tvNumber.setText(String.valueOf(i));
            if (i == 0) {
                binding.btnConfirm.setText("作业全对");
                binding.btnConfirm.setBackgroundTintList(ColorStateList.valueOf(0xFF4ABC78));
            } else {
                binding.btnConfirm.setText("下一步");
                binding.btnConfirm.setBackgroundTintList(ColorStateList.valueOf(0xFF1C90F3));
            }
            binding.chkAll.setChecked(i == mList.size() && i != 0);
        });

        binding.chkAll.setOnClickListener(v -> {
            if (mList.size() == 0) return;
            boolean b = binding.chkAll.isChecked();
            for (HomeWork item: mList) {
                item.check = b;
            }
            selectNum.setValue(b ? mList.size() : 0);
            mAdapter.notifyDataSetChanged();
        });

        binding.btnConfirm.setOnClickListener(v -> {
            Intent intent = new Intent(this, HomeworkFeedbackActivity.class);
            intent.putExtra("data", mData);
            intent.putExtra("list", mList);
            intent.putExtra("student", student);
            startActivity(intent);
        });
    }

    @Override
    protected ActivityHomeworkSelectBinding getViewBinding() {
        return ActivityHomeworkSelectBinding.inflate(getLayoutInflater());
    }


    static class Adapter extends BaseQuickAdapter<HomeWork, BaseViewHolder> {
        public Adapter() {
            super(R.layout.item_homework_detail);
        }
        public Function1<Integer> selectCall;

        @SuppressLint("SetTextI18n")
        @Override
        protected void convert(@NonNull BaseViewHolder holder, HomeWork homeWork) {
            TextView tvNumber = holder.getView(R.id.tvNumber);
            ImageView imageView = holder.getView(R.id.ivTopic);
            int number = getData().indexOf(homeWork) + 1;
            tvNumber.setText("第" + number + "题");
            Glide.with(mContext).load(homeWork.url).into(imageView);

            CheckBox checkBox = holder.getView(R.id.checkbox);
            checkBox.setVisibility(View.VISIBLE);
            checkBox.setOnCheckedChangeListener(null);
            checkBox.setChecked(homeWork.check);

            holder.itemView.setOnClickListener(v -> checkBox.performClick());
            checkBox.setOnCheckedChangeListener((v, b) -> {
                homeWork.check = b;
                if (selectCall != null) {
                    selectCall.invoke(b ? 1 : -1);
                }
            });
        }
    }
}