package com.github.tifezh.kchart;

import android.content.res.Configuration;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;

import com.github.tifezh.kchart.chart.KChartAdapter;
import com.github.tifezh.kchart.chart.KChartView;
import com.github.tifezh.kchart.chart.KLineEntity;
import com.github.tifezh.kchartlib.chart.formatter.DateFormatter;
import com.github.tifezh.kchartlib.chart.impl.IKChartView;
import com.github.tifezh.kchartlib.utils.ViewUtil;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import org.apache.http.util.EncodingUtils;

import java.io.InputStream;
import java.util.List;

import butterknife.Bind;
import butterknife.ButterKnife;

public class ExampleActivity extends AppCompatActivity {

    @Bind(R.id.ll_status)
    LinearLayout mLlStatus;
    @Bind(R.id.kchart_view)
    KChartView mKChartView;
    @Bind(R.id.title_view)
    RelativeLayout mTitleView;
    private KChartAdapter mAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_example);
        ButterKnife.bind(this);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            Window window = getWindow();
            window.setFlags(
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
                    WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }
        initView();
        initData();
    }

    private void initView() {
        mAdapter = new KChartAdapter();
        mKChartView.setAdapter(mAdapter);
        mKChartView.setDateTimeFormatter(new DateFormatter());
        mKChartView.setGridRows(4);
        mKChartView.setGridColumns(4);
        mKChartView.setOnSelectedChangedListener(new IKChartView.OnSelectedChangedListener() {
            @Override
            public void onSelectedChanged(IKChartView view, Object point, int index) {
                KLineEntity data = (KLineEntity) point;
                Log.i("onSelectedChanged", "index:" + index + " closePrice:" + data.getClosePrice());
            }
        });
        mKChartView.setOverScrollRange(ViewUtil.Dp2Px(this, 100));
    }

    private void initData() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                String fileName = "ibm.json"; //k线图的数据
                String res = "";
                try {
                    InputStream in = getResources().getAssets().open(fileName);
                    int length = in.available();
                    byte[] buffer = new byte[length];
                    in.read(buffer);
                    res = EncodingUtils.getString(buffer, "UTF-8");
                } catch (Exception e) {
                    e.printStackTrace();
                }
                final List<KLineEntity> data = new Gson().fromJson(res, new TypeToken<List<KLineEntity>>() {
                }.getType());
                DataHelper.calculate(data);
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        mAdapter.addFooterData(data);
                        mKChartView.startAnimation();
                    }
                });
            }
        }).start();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        if (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mLlStatus.setVisibility(View.GONE);
            mKChartView.setGridRows(3);
            mKChartView.setGridColumns(8);
        } else if (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
            mLlStatus.setVisibility(View.VISIBLE);
            mKChartView.setGridRows(4);
            mKChartView.setGridColumns(4);
        }
    }
}