package com.shuyu.gsyvideoplayer.video;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.graphics.Point;
import android.os.Build;
import android.os.Handler;
import android.transition.TransitionManager;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.FrameLayout;
import android.widget.ImageView;

import com.shuyu.gsyvideoplayer.GSYVideoManager;
import com.shuyu.gsyvideoplayer.GSYVideoPlayer;
import com.shuyu.gsyvideoplayer.R;
import com.shuyu.gsyvideoplayer.SmallVideoTouch;
import com.shuyu.gsyvideoplayer.listener.GSYMediaPlayerListener;
import com.shuyu.gsyvideoplayer.utils.CommonUtil;
import com.shuyu.gsyvideoplayer.utils.OrientationUtils;

import java.lang.reflect.Constructor;
import java.util.Map;

import static com.shuyu.gsyvideoplayer.utils.CommonUtil.getActionBarHeight;
import static com.shuyu.gsyvideoplayer.utils.CommonUtil.getStatusBarHeight;
import static com.shuyu.gsyvideoplayer.utils.CommonUtil.hideSupportActionBar;
import static com.shuyu.gsyvideoplayer.utils.CommonUtil.showSupportActionBar;

/**
 * Created by shuyu on 2016/11/17.
 */

public abstract class GSYBaseVideoPlayer extends FrameLayout implements GSYMediaPlayerListener {

    protected static final int FULLSCREEN_ID = 85597;

    public static final int SMALL_ID = 84778;

    protected static long CLICK_QUIT_FULLSCREEN_TIME = 0;

    protected boolean mActionBar = false;//是否需要在利用window实现全屏幕的时候隐藏actionbar

    protected boolean mStatusBar = false;//是否需要在利用window实现全屏幕的时候隐藏statusbar

    protected boolean mCache = false;//是否播边边缓冲

    private boolean mShowFullAnimation = true;//是否使用全屏动画效果

    protected int[] mListItemRect;//当前item框的屏幕位置

    protected int[] mListItemSize;//当前item的大小

    protected int mCurrentState = -1; //当前的播放状态

    protected boolean mRotateViewAuto = true; //是否自动旋转

    protected boolean mIfCurrentIsFullscreen = false;

    protected Context mContext;

    protected String mOriginUrl; //原来的url

    protected String mUrl;


    protected Object[] mObjects;

    protected ViewGroup mTextureViewContainer;

    private OrientationUtils mOrientationUtils;

    private Handler mHandler = new Handler();

    protected View mSmallClose;


    public GSYBaseVideoPlayer(Context context) {
        super(context);
    }

    public GSYBaseVideoPlayer(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public GSYBaseVideoPlayer(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }


    private ViewGroup getViewGroup() {
        return (ViewGroup) (CommonUtil.scanForActivity(getContext())).findViewById(Window.ID_ANDROID_CONTENT);
    }

    /**
     * 移除没用的
     */
    private void removeVideo(ViewGroup vp, int id) {
        View old = vp.findViewById(id);
        if (old != null) {
            if (old.getParent() != null) {
                ViewGroup viewGroup = (ViewGroup) old.getParent();
                vp.removeView(viewGroup);
            }
        }
    }

    /**
     * 保存大小和状态
     */
    private void saveLocationStatus(Context context, boolean statusBar, boolean actionBar) {
        getLocationOnScreen(mListItemRect);
        int statusBarH = getStatusBarHeight(context);
        int actionBerH = getActionBarHeight((Activity) context);
        if (statusBar) {
            mListItemRect[1] = mListItemRect[1] - statusBarH;
        }
        if (actionBar) {
            mListItemRect[1] = mListItemRect[1] - actionBerH;
        }
        mListItemSize[0] = getWidth();
        mListItemSize[1] = getHeight();
    }

    /**
     * 全屏
     */
    private void resolveFullVideoShow(Context context, GSYBaseVideoPlayer gsyVideoPlayer, int h, int w) {
        FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) gsyVideoPlayer.getLayoutParams();
        lp.setMargins(0, 0, 0, 0);
        lp.height = ViewGroup.LayoutParams.MATCH_PARENT;
        lp.width = ViewGroup.LayoutParams.MATCH_PARENT;
        lp.gravity = Gravity.CENTER;
        gsyVideoPlayer.setLayoutParams(lp);
        gsyVideoPlayer.setIfCurrentIsFullscreen(true);
        mOrientationUtils = new OrientationUtils((Activity) context, gsyVideoPlayer);
        mOrientationUtils.setEnable(mRotateViewAuto);
    }

    /**
     * 恢复
     */
    private void resolveNormalVideoShow(View oldF, ViewGroup vp, GSYVideoPlayer gsyVideoPlayer) {
        if (oldF.getParent() != null) {
            ViewGroup viewGroup = (ViewGroup) oldF.getParent();
            vp.removeView(viewGroup);
        }
        mCurrentState = GSYVideoManager.instance().getLastState();
        if (gsyVideoPlayer != null) {
            mCurrentState = gsyVideoPlayer.getCurrentState();
        }
        GSYVideoManager.instance().setListener(GSYVideoManager.instance().lastListener());
        GSYVideoManager.instance().setLastListener(null);
        setStateAndUi(mCurrentState);
        addTextureView();
        CLICK_QUIT_FULLSCREEN_TIME = System.currentTimeMillis();
    }

    /**
     * 利用window层播放全屏效果
     *
     * @param context
     * @param actionBar 是否有actionBar，有的话需要隐藏
     * @param statusBar 是否有状态bar，有的话需要隐藏
     */
    public void startWindowFullscreen(final Context context, final boolean actionBar, final boolean statusBar) {

        hideSupportActionBar(context, actionBar, statusBar);

        this.mActionBar = actionBar;

        this.mStatusBar = statusBar;

        mListItemRect = new int[2];

        mListItemSize = new int[2];

        final ViewGroup vp = getViewGroup();

        removeVideo(vp, FULLSCREEN_ID);

        if (mTextureViewContainer.getChildCount() > 0) {
            mTextureViewContainer.removeAllViews();
        }


        saveLocationStatus(context, statusBar, actionBar);

        try {
            Constructor<GSYBaseVideoPlayer> constructor = (Constructor<GSYBaseVideoPlayer>) GSYBaseVideoPlayer.this.getClass().getConstructor(Context.class);
            final GSYBaseVideoPlayer gsyVideoPlayer = constructor.newInstance(getContext());
            gsyVideoPlayer.setId(FULLSCREEN_ID);
            WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
            final int w = wm.getDefaultDisplay().getWidth();
            final int h = wm.getDefaultDisplay().getHeight();
            FrameLayout.LayoutParams lpParent = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
            FrameLayout frameLayout = new FrameLayout(context);
            frameLayout.setBackgroundColor(Color.BLACK);

            if (mShowFullAnimation && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(getWidth(), getHeight());
                lp.setMargins(mListItemRect[0], mListItemRect[1], 0, 0);
                frameLayout.addView(gsyVideoPlayer, lp);
                vp.addView(frameLayout, lpParent);
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        TransitionManager.beginDelayedTransition(vp);
                        resolveFullVideoShow(context, gsyVideoPlayer, h, w);
                    }
                }, 300);
            } else {
                FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(getWidth(), getHeight());
                frameLayout.addView(gsyVideoPlayer, lp);
                vp.addView(frameLayout, lpParent);
                resolveFullVideoShow(context, gsyVideoPlayer, h, w);
            }

            gsyVideoPlayer.setUp(mUrl, mCache, mObjects);
            gsyVideoPlayer.setStateAndUi(mCurrentState);
            gsyVideoPlayer.addTextureView();

            gsyVideoPlayer.getFullscreenButton().setImageResource(R.drawable.video_shrink);
            gsyVideoPlayer.getFullscreenButton().setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    clearFullscreenLayout();
                }
            });

            gsyVideoPlayer.getBackButton().setVisibility(VISIBLE);
            gsyVideoPlayer.getBackButton().setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    clearFullscreenLayout();
                }
            });

            GSYVideoManager.instance().setLastListener(this);
            GSYVideoManager.instance().setListener(gsyVideoPlayer);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    /**
     * 退出window层播放全屏效果
     */
    public void clearFullscreenLayout() {

        int delay = mOrientationUtils.backToProtVideo();
        mOrientationUtils.setEnable(false);
        mHandler.postDelayed(new Runnable() {
            @Override
            public void run() {
                backToNormal();
            }
        }, delay);
    }

    /**
     * 回到正常效果
     */
    private void backToNormal() {
        showSupportActionBar(mContext, mActionBar, mStatusBar);
        final ViewGroup vp = getViewGroup();

        final View oldF = vp.findViewById(FULLSCREEN_ID);
        final GSYVideoPlayer gsyVideoPlayer;
        if (oldF != null) {
            gsyVideoPlayer = (GSYVideoPlayer) oldF;
            if (mShowFullAnimation && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                TransitionManager.beginDelayedTransition(vp);

                FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) gsyVideoPlayer.getLayoutParams();
                lp.setMargins(mListItemRect[0], mListItemRect[1], 0, 0);
                lp.width = mListItemSize[0];
                lp.height = mListItemSize[1];
                //注意配置回来，不然动画效果会不对
                lp.gravity = Gravity.NO_GRAVITY;
                gsyVideoPlayer.setLayoutParams(lp);

                new Handler().postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        resolveNormalVideoShow(oldF, vp, gsyVideoPlayer);
                    }
                }, 400);
            } else {
                resolveNormalVideoShow(oldF, vp, gsyVideoPlayer);
            }

        } else {
            resolveNormalVideoShow(null, vp, null);
        }
    }

    /**
     * 显示小窗口
     */
    public void showSmallVideo(Point size, final boolean actionBar, final boolean statusBar) {

        final ViewGroup vp = getViewGroup();

        removeVideo(vp, SMALL_ID);

        if (mTextureViewContainer.getChildCount() > 0) {
            mTextureViewContainer.removeAllViews();
        }

        try {
            Constructor<GSYBaseVideoPlayer> constructor = (Constructor<GSYBaseVideoPlayer>) GSYBaseVideoPlayer.this.getClass().getConstructor(Context.class);
            GSYBaseVideoPlayer gsyVideoPlayer = constructor.newInstance(getContext());
            gsyVideoPlayer.setId(SMALL_ID);

            FrameLayout.LayoutParams lpParent = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
            FrameLayout frameLayout = new FrameLayout(mContext);

            FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(size.x, size.y);
            int marginLeft = CommonUtil.getScreenWidth(mContext) - size.x;
            int marginTop = CommonUtil.getScreenHeight(mContext) - size.y;

            if (actionBar) {
                marginTop = marginTop - getActionBarHeight((Activity) mContext);
            }

            if (statusBar) {
                marginTop = marginTop - getStatusBarHeight(mContext);
            }

            lp.setMargins(marginLeft, marginTop, 0, 0);
            frameLayout.addView(gsyVideoPlayer, lp);

            vp.addView(frameLayout, lpParent);

            gsyVideoPlayer.setUp(mUrl, mCache, mObjects);
            gsyVideoPlayer.setStateAndUi(mCurrentState);
            gsyVideoPlayer.addTextureView();
            gsyVideoPlayer.onClickUiToggle();
            gsyVideoPlayer.setSmallVideoTextureView(new SmallVideoTouch(gsyVideoPlayer, marginLeft, marginTop));

            GSYVideoManager.instance().setLastListener(this);
            GSYVideoManager.instance().setListener(gsyVideoPlayer);

        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    /**
     * 隐藏小窗口
     */
    public void hideSmallVideo() {
        final ViewGroup vp = getViewGroup();
        GSYVideoPlayer gsyVideoPlayer = (GSYVideoPlayer) vp.findViewById(SMALL_ID);
        removeVideo(vp, SMALL_ID);
        mCurrentState = GSYVideoManager.instance().getLastState();
        if (gsyVideoPlayer != null) {
            mCurrentState = gsyVideoPlayer.getCurrentState();
        }
        GSYVideoManager.instance().setListener(GSYVideoManager.instance().lastListener());
        GSYVideoManager.instance().setLastListener(null);
        setStateAndUi(mCurrentState);
        addTextureView();
        CLICK_QUIT_FULLSCREEN_TIME = System.currentTimeMillis();
    }


    /**
     * 设置播放URL
     *
     * @param url
     * @param cacheWithPlay 是否边播边缓存
     * @param objects
     * @return
     */
    public abstract boolean setUp(String url, boolean cacheWithPlay, Object... objects);

    /**
     * 设置播放URL
     *
     * @param url
     * @param cacheWithPlay 是否边播边缓存
     * @param mapHeadData
     * @param objects
     * @return
     */

    public abstract boolean setUp(String url, boolean cacheWithPlay, Map<String, String> mapHeadData, Object... objects);

    /**
     * 设置播放显示状态
     *
     * @param state
     */
    protected abstract void setStateAndUi(int state);

    /**
     * 添加播放的view
     */
    protected abstract void addTextureView();

    /**
     * 小窗口
     **/
    protected abstract void setSmallVideoTextureView(View.OnTouchListener onTouchListener);

    protected abstract void onClickUiToggle();

    /**
     * 获取全屏按键
     */
    public abstract ImageView getFullscreenButton();

    /**
     * 获取返回按键
     */
    public abstract ImageView getBackButton();


    public boolean isRotateViewAuto() {
        return mRotateViewAuto;
    }


    public boolean isIfCurrentIsFullscreen() {
        return mIfCurrentIsFullscreen;
    }

    public void setIfCurrentIsFullscreen(boolean ifCurrentIsFullscreen) {
        this.mIfCurrentIsFullscreen = ifCurrentIsFullscreen;
    }

    /**
     * 自动旋转
     */
    public void setRotateViewAuto(boolean rotateViewAuto) {
        this.mRotateViewAuto = rotateViewAuto;
    }


    public boolean ismShowFullAnimation() {
        return mShowFullAnimation;
    }

    /**
     * 全屏动画
     *
     * @param showFullAnimation 是否使用全屏动画效果
     */
    public void setShowFullAnimation(boolean showFullAnimation) {
        this.mShowFullAnimation = showFullAnimation;
    }
}