package com.application.zhangshi_app_android.ui;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.view.View;
import android.widget.BaseAdapter;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import androidx.viewpager.widget.ViewPager;
import androidx.viewpager2.widget.ViewPager2;

import com.android.app_base.base.adapter.BaseRVAdapter;
import com.android.app_base.base.view.BaseActivity;
import com.android.app_base.base.viewmodel.BaseViewModel;
import com.application.zhangshi_app_android.BR;
import com.application.zhangshi_app_android.R;
import com.application.zhangshi_app_android.adapter.ImagePreviewAdapter;
import com.application.zhangshi_app_android.data.DataRepository;
import com.application.zhangshi_app_android.databinding.ImagePreviewActivityBinding;
import com.gyf.immersionbar.BarHide;
import com.gyf.immersionbar.ImmersionBar;
import com.youth.banner.indicator.CircleIndicator;

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

/**
 * @author Ljj
 * @date 2023.08.19. 16:53
 * @desc
 */
public final class ImagePreviewActivity extends BaseActivity<ImagePreviewActivityBinding, SimpleViewModel> {

    private static final String INTENT_KEY_IN_IMAGE_LIST = "imageList";
    private static final String INTENT_KEY_IN_IMAGE_INDEX = "imageIndex";

    public static void start(Context context, String url) {
        ArrayList<String> images = new ArrayList<>(1);
        images.add(url);
        start(context, images);
    }

    public static void start(Context context, List<String> urls) {
        start(context, urls, 0);
    }

    public static void start(Context context, List<String> urls, int index) {
        if (urls == null || urls.isEmpty()) {
            return;
        }
        Intent intent = new Intent(context, ImagePreviewActivity.class);
        if (urls.size() > 2000) {
            // 请注意：如果传输的数据量过大，会抛出此异常，并且这种异常是不能被捕获的
            // 所以当图片数量过多的时候，我们应当只显示一张，这种一般是手机图片过多导致的
            // 经过测试，传入 3121 张图片集合的时候会抛出此异常，所以保险值应当是 2000
            // android.os.TransactionTooLargeException: data parcel size 521984 bytes
            urls = Collections.singletonList(urls.get(index));
        }

        if (urls instanceof ArrayList) {
            intent.putExtra(INTENT_KEY_IN_IMAGE_LIST, (ArrayList<String>) urls);
        } else {
            intent.putExtra(INTENT_KEY_IN_IMAGE_LIST, new ArrayList<>(urls));
        }
        intent.putExtra(INTENT_KEY_IN_IMAGE_INDEX, index);
        if (!(context instanceof Activity)) {
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }
        context.startActivity(intent);
    }

    private ImagePreviewAdapter mAdapter;


    @Override
    public int getLayoutId() {
        return R.layout.image_preview_activity;
    }

    @Override
    public int getVariableId() {
        return 0;
    }

    @Override
    public void initParam() {

    }

    @Override
    public void initView() {
        mAdapter = new ImagePreviewAdapter(this);
        mAdapter.setOnItemClickListener(new BaseRVAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(RecyclerView recyclerView, View itemView, int position) {
                if (isFinishing() || isDestroyed()) {
                    return;
                }
                // 单击图片退出当前的 Activity
                finish();
            }
        });
        binding.viewPager.setAdapter(mAdapter);
        binding.viewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
            @Override
            public void onPageSelected(int position) {
                super.onPageSelected(position);
                binding.tvImagePreviewIndicator.setText((position + 1) + "/" + mAdapter.getItemCount());
            }
        });
    }

    @Override
    public void initData() {
        ArrayList<String> images = getIntent().getStringArrayListExtra(INTENT_KEY_IN_IMAGE_LIST);
        if (images == null || images.isEmpty()) {
            finish();
            return;
        }
        mAdapter.setData(images);

        if (images.size() != 1) {
            binding.tvImagePreviewIndicator.setVisibility(View.VISIBLE);
            int index = getIntent().getIntExtra(INTENT_KEY_IN_IMAGE_INDEX,0);
            if (index < images.size()) {
                binding.viewPager.setCurrentItem(index);
            }
        }
    }

    @Override
    public void initLiveDataObserve() {

    }

    @NonNull
    @Override
    protected ImmersionBar createStatusBarConfig() {
        return super.createStatusBarConfig()
                // 隐藏状态栏和导航栏
                .hideBar(BarHide.FLAG_HIDE_BAR);
    }

    @Override
    public boolean isStatusBarDarkFont() {
        return false;
    }


    @Override
    protected void onDestroy() {
        super.onDestroy();
    }


}