package nico.styTool;


import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.preference.PreferenceManager;
import android.support.v7.app.AlertDialog;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnCreateContextMenuListener;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class FJActivity extends dump.z.BaseActivity implements OnClickListener, bb {
    SharedPreferences sp;
    ListView list;
    Bitmap bitmapItem = null;
    ProgressDialog pa;
    Button bn_add, bn_clear, bn_hc;
    n ag;
    List<Map<String, Object>> items;
    Map<String, Object> item;
    SimpleAdapter adapter;
    //SimpleDateFormat formatter;
    String preferencePath;
    aa gifDecoder;
    AlertDialog.Builder adlog;
    int curIndex;
    final String THIS_ACTION = "fjAction";
    /**
     * Called when the activity is first created.
     */
    android.support.v7.widget.Toolbar toolbar;

    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fj);

        toolbar = (android.support.v7.widget.Toolbar)
                findViewById(R.id.toolbar);
//		初始化Toolbar控件
        setSupportActionBar(toolbar);
        bn_add = (Button) findViewById(R.id.bn_add2);
        bn_clear = (Button) findViewById(R.id.bn_clear2);
        bn_hc = (Button) findViewById(R.id.bn_fj);
        list = (ListView) findViewById(R.id.list2);

        bn_add.setOnClickListener(this);
        bn_clear.setOnClickListener(this);
        bn_hc.setOnClickListener(this);
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(THIS_ACTION);
        registerReceiver(br, intentFilter);
        FileList.curpath = Environment.getExternalStorageDirectory().getAbsolutePath();
        //FileList.filter = ".*.gif$";
        FileList.broadcastAction = THIS_ACTION;
        initAdapter();
        sp = PreferenceManager.getDefaultSharedPreferences(this);

        list.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {
            @Override
            public void onCreateContextMenu(ContextMenu p1, View p2, ContextMenu.ContextMenuInfo p3) {
                // TODO: Implement this method
                p1.add(0, 0, 0, "移除该图片");
            }
        });
    }


    //点击Context菜单的项时发生
    @Override
    public boolean onContextItemSelected(MenuItem item) {
        AdapterContextMenuInfo menuInfo =
                (AdapterContextMenuInfo) item.getMenuInfo();
        // TODO: Implement this method
        if (item.getItemId() == 0) {
            //移除项
            items.remove(menuInfo.position);
            adapter.notifyDataSetChanged();
            showToast("移除成功");
        }
        return super.onOptionsItemSelected(item);
    }

    //handler状态：0分解完全部图，1出错，2分解完一张图
    Handler handler = new Handler() {

        @Override
        public void handleMessage(Message msg) {
            // TODO: Implement this method
            if (msg.what == 0) {
                pa.dismiss();
                adlog = new AlertDialog.Builder(FJActivity.this);
                adlog.setTitle("分解完成")
                        .setMessage("全部图片已分解完成" + "\n保存路径：" + sp.getString("edit_output_path2", Environment.getExternalStorageDirectory().getPath() + "/Android/png"))
                        .setNegativeButton("确定", null)
                        //.setIcon(android.R.drawable.ic_menu_help)
                        .show();
                showToast("分解完成");
            } else if (msg.what == 1) {
                pa.dismiss();
                adlog = new AlertDialog.Builder(FJActivity.this);
                adlog.setTitle("分解未完成")
                        .setMessage("要分解的图片太大，无法生成，发生在第" + curIndex + "张")
                        .setNegativeButton("确定", null)
                        //.setIcon(android.R.drawable.ic_menu_help)
                        .show();
                showToast("分解失败");
            } else if (msg.what == 2) {
                pa.setMessage(String.format("正在分解(%d/%d)……", curIndex, items.size()));
            }
        }

    };

    /**
     * gif解码观察者
     *
     * @param parseStatus 解码是否成功，成功会为true
     * @param frameIndex  当前解码的第几帧，当全部解码成功后，这里为-1
     */
    @Override
    public void parseOk(boolean parseStatus, int frameIndex) {
        // TODO: Implement this method
        //Log.d(">>>>parse" + ">>>" + curIndex, frameIndex + "");
        if (frameIndex != -1) {
            preferencePath = sp.getString("edit_output_path2", Environment.getExternalStorageDirectory().getPath() + "/Android/png");
            try {
                Bitmap bitmap = gifDecoder.next().image;
                IO.saveBitmap(bitmap, preferencePath + "/" + items.get(curIndex).get("fileName") + "_" + frameIndex + ".png");
            }
            //内存不足时
            catch (Exception ooMemoryError) {
                handler.sendEmptyMessage(1);
                return;
            }
        }
        //分解完一张图
        if (frameIndex == -1) {
            curIndex++;
            //记得释放内存，有效果
            if (gifDecoder != null) {
                gifDecoder.free();
                //gifDecoder.destroy();
                gifDecoder = null;
            }
            //分解完一张就通知主线程
            handler.sendEmptyMessage(2);
            //列表还有图片，就开启一个线程来分解
            if (curIndex < items.size()) {
                gifDecoder = new aa(IO.readStream(items.get(curIndex).get("filePath").toString()), this);
                gifDecoder.start();
            }
            //当分解完全部图片时
            else if (curIndex == items.size()) {
                curIndex = 0;
                handler.sendEmptyMessage(0);
            }

        }

    }

    //按钮事件*************
    @Override
    public void onClick(View p1) {
        // TODO: Implement this method
        if (p1.getId() == R.id.bn_add2) {

            Intent intent = new Intent();
            intent.setClass(FJActivity.this, FileList.class);
            startActivity(intent);
            //overridePendingTransition(R.anim.out_to_bottom, R.anim.in_from_bottom);
        } else if (p1.getId() == R.id.bn_clear2) {
            if (items.size() > 0) {
                adlog = new AlertDialog.Builder(this);
                adlog.setTitle("提示")
                        .setMessage("确定清空列表吗？")
                        .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface p1, int p2) {
                                // TODO: Implement this method
                                items.clear();
                                adapter.notifyDataSetChanged();
                            }
                        })
                        .setNegativeButton("取消", null)
                        .show();
            }
        } else if (p1.getId() == R.id.bn_fj) {

            if (items.size() > 0) {
                pa = ProgressDialog.show(FJActivity.this, null, String.format("正在分解(%d/%d)……", curIndex, items.size()));
                //让它不可返回
                pa.setCancelable(false);
                curIndex = 0;
                gifDecoder = new aa(IO.readStream(items.get(curIndex).get("filePath").toString()), this);
                gifDecoder.start();

            } else
                showToast("请先添加图片");

        }
    }

    Runnable loadFileList = new Runnable() {

        @Override
        public void run() {
            // TODO: Implement this method
            FileList.filter = ".*.gif$";

            FileList.getListFromPath(FileList.curpath);
        }


    };

    @Override
    public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
        // TODO: Implement this method
        return super.registerReceiver(receiver, filter);
    }

    //实例化一个广播接收器,收到广播说明选择了文件
    BroadcastReceiver br = new BroadcastReceiver() {
        @Override
        public void onReceive(Context p1, Intent p2) {
            // TODO: Implement this method
            if (p2.getAction().equals(THIS_ACTION)) {
                bitmapItem = IO.getImageFromPath(FileList.selectedFilePath);

                item = new HashMap<>();
                item.put("imageItem", bitmapItem);
                item.put("filePath", FileList.selectedFilePath);
                item.put("fileName", new File(FileList.selectedFilePath).getName());

                items.add(item);

                adapter.notifyDataSetChanged();

                list.setSelection(items.size() - 1);
            }
        }
    };

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.root, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == R.id.lxw_action_edi_user_profile) {

            startActivity(new Intent(FJActivity.this, SettingActivity.class));
        } else if (id == R.id.lxw_action_b3) {
            Intent intent5 = new Intent(FJActivity.this, HCActivity.class);
            startActivity(intent5);
        }
        return super.onOptionsItemSelected(item);
    }

    public void showToast(String text) {
        Toast.makeText(FJActivity.this, text, Toast.LENGTH_SHORT).show();
    }

    //初始化adapter
    public void initAdapter() {
        items = new ArrayList<>();
        //实例化一个适配器
        adapter = new SimpleAdapter(FJActivity.this, items,
                R.layout.fj_list_item,
                new String[]{"fileName", "filePath"},
                new int[]{R.id.fj_tv_filename}
        );

        list.setAdapter(adapter);

    }

    long cur = 0;

    @Override
    protected void onStart() {
        // TODO: Implement this method
        super.onStart();
        toolbar.setTitle("GIF分解");
//		设置标题
//		设置副标题
        toolbar.setNavigationIcon(R.drawable.ic_arrow_back_white_24dp);
//		设置导航图标
        toolbar.setNavigationOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View p1) {
                finish();
            }
        });
    }

    @Override
    protected void onResume() {
        //窗口被重新激活时发生
        // TODO: Implement this method
        FileList.filter = ".*.gif$";
        FileList.broadcastAction = THIS_ACTION;
        //清空缓存数组
        FileList.dirs_name_cache = null;
        FileList.files_name_cache = null;
        //开启线程载入列表
        new Thread(loadFileList).start();
//		FileList.dirs_name = null;
//		FileList.files_name = null;
        //showToast(THIS_ACTION);
        super.onResume();
    }

}