package com.gh.base;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.RelativeLayout;
import android.widget.TextView;

import androidx.annotation.DrawableRes;
import androidx.annotation.Nullable;
import androidx.annotation.StringRes;
import androidx.appcompat.widget.Toolbar;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProviders;

import com.gh.common.util.DisplayUtils;
import com.gh.download.DownloadManager;
import com.gh.gamecenter.DownloadManagerActivity;
import com.gh.gamecenter.R;
import com.gh.gamecenter.entity.GameUpdateEntity;
import com.gh.gamecenter.eventbus.EBDownloadStatus;
import com.gh.gamecenter.normal.ToolbarController;
import com.gh.gamecenter.packagehelper.PackageViewModel;
import com.lightgame.OnTitleClickListener;

import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;

/**
 * 需要用到工具栏的页面使用
 * <p>
 * 特殊页面请参考{@link BaseActivity}
 */

public abstract class ToolBarActivity extends BaseActivity implements ToolbarController, Toolbar.OnMenuItemClickListener {

    @Nullable
    private PackageViewModel mPackageViewModel;

    protected View mToolbarContainer;

    protected Toolbar mToolbar;

    protected TextView mTitleTv;

    @Nullable
    private TextView mDownloadCountHint;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setStatusBarDarkMode(true, this);
        initToolbar();

        if (showDownloadMenu()) {
            mPackageViewModel = ViewModelProviders.of(this, new PackageViewModel.Factory()).get(PackageViewModel.class);
            mPackageViewModel.getFilterSameUpdateLiveData().observe(this, this::updateDownloadCountHint);
        }
    }

    // 小米沉浸式黑色字体
    @SuppressLint("PrivateApi")
    public void setStatusBarDarkMode(boolean darkmode, Activity activity) {
        Class<? extends Window> clazz = activity.getWindow().getClass();
        try {
            Class<?> layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams");
            Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE");
            int darkModeFlag = field.getInt(layoutParams);
            Method extraFlagField = clazz.getMethod("setExtraFlags", int.class, int.class);
            extraFlagField.invoke(activity.getWindow(), darkmode ? darkModeFlag : 0, darkModeFlag);
        } catch (Exception ignore) {

        }
    }

    private void initToolbar() {
        mToolbarContainer = findViewById(R.id.normal_toolbar_container);
        mToolbar = findViewById(R.id.normal_toolbar);
        mTitleTv = findViewById(R.id.normal_title);
        if (mToolbar != null) {
//            setSupportActionBar(mToolbar); // 替换actionBar后 toolBar无法控制
            mToolbar.setNavigationIcon(provideNavigationIcon());
            mToolbar.setNavigationOnClickListener(provideNavigationItemClickListener());
            if (mTitleTv != null) {
                mTitleTv.setOnClickListener(view -> {
                    final List<Fragment> fragmentList = getSupportFragmentManager().getFragments();
                    for (Fragment fragment : fragmentList) {
                        if (fragment instanceof OnTitleClickListener) {
                            ((OnTitleClickListener) fragment).onTitleClick();
                        }
                    }
                });
            }
        }
    }

    @DrawableRes
    public int provideNavigationIcon() {
        return R.drawable.ic_bar_back; // default navigation icon
    }

    @Override
    public void setNavigationTitle(String title) {
        if (mTitleTv != null) mTitleTv.setText(title);
    }

    @Override
    public void setNavigationTitle(@StringRes int res) {
        setNavigationTitle(getString(res));
    }

    /**
     * 重写此方法以将标题靠左显示
     */
    public boolean showToolbarAtLeft() {
        return false;
    }

    @Override
    public void setToolbarMenu(int res) {
        if (mToolbar == null) return;
        mToolbar.inflateMenu(res);
        mToolbar.setOnMenuItemClickListener(this);

        if (showDownloadMenu()) {
            createDownloadMenu(res);
        }

        Menu menu = mToolbar.getMenu();
        for (int i = 0; i < menu.size(); i++) {
            MenuItem menuItem = menu.getItem(i);
            // menu设置actionLayout后，无法捕捉点击事件，以icon为tag，如果icon is null 手动设置menuItem点击事件
            if (menuItem != null && menuItem.getIcon() == null) {
                if (menuItem.getActionView() != null) {
                    menuItem.getActionView().setOnClickListener((v) -> this.onMenuItemClick(menuItem));
                }
            }
        }

        // 限制标题实际宽度 防止标题挡住toolbar menu按钮
        if (menu.size() > 2 && mTitleTv != null) {
            ViewGroup.LayoutParams layoutParams = mTitleTv.getLayoutParams();
            if (layoutParams instanceof RelativeLayout.LayoutParams) {
                RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) layoutParams;
                if (showToolbarAtLeft()) {
                    params.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
                    params.addRule(RelativeLayout.CENTER_VERTICAL);
                    params.setMargins(DisplayUtils.dip2px(55), 0, DisplayUtils.dip2px(48 * menu.size()), 0);
                } else {
                    params.setMargins(DisplayUtils.dip2px(90), 0, DisplayUtils.dip2px(90), 0);
                }
                mTitleTv.setLayoutParams(params);
            }
        } else {
            if (showToolbarAtLeft()) {
                ViewGroup.LayoutParams layoutParams = mTitleTv.getLayoutParams();
                if (layoutParams instanceof RelativeLayout.LayoutParams) {
                    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) layoutParams;
                    params.addRule(RelativeLayout.CENTER_VERTICAL);
                    params.setMargins(DisplayUtils.dip2px(55), 0, DisplayUtils.dip2px(48 * menu.size()), 0);
                    mTitleTv.setLayoutParams(params);
                }
            }
        }
    }

    private void createDownloadMenu(int res) {
        if (res != R.menu.menu_download) {
            MenuInflater inflater = getMenuInflater();
            inflater.inflate(R.menu.menu_download, mToolbar.getMenu());
        }

        if (mPackageViewModel != null) {
            updateDownloadCountHint(mPackageViewModel.getFilterSameUpdateLiveData().getValue());
        }

        View downloadMenuView = mToolbar.getMenu().findItem(R.id.menu_download).getActionView();
        mDownloadCountHint = downloadMenuView.findViewById(R.id.menu_download_count_hint);
    }

    private void updateDownloadCountHint(List<GameUpdateEntity> updateList) {
        if (mDownloadCountHint == null) return;

        String count = DownloadManager.getInstance(getApplicationContext()).getDownloadOrUpdateCount(updateList);
        if (count != null) {
            mDownloadCountHint.setVisibility(View.VISIBLE);
            mDownloadCountHint.setText(count);

            ViewGroup.LayoutParams params = mDownloadCountHint.getLayoutParams();
            if (TextUtils.isEmpty(count)) {
                params.width = DisplayUtils.dip2px(6);
                params.height = DisplayUtils.dip2px(6);
            } else {
                params.width = DisplayUtils.dip2px(12);
                params.height = DisplayUtils.dip2px(12);
            }
            mDownloadCountHint.setLayoutParams(params);
        } else {
            mDownloadCountHint.setVisibility(View.GONE);
        }
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(EBDownloadStatus status) {
        if (showDownloadMenu() && mPackageViewModel != null) {
            updateDownloadCountHint(mPackageViewModel.getFilterSameUpdateLiveData().getValue());
        }
    }

    @Override
    public MenuItem getMenuItem(int res) {
        if (mToolbar == null) return null; //后续页面做好判断
        return mToolbar.getMenu().findItem(res);
    }

    public void clearMenu() {
        if (mToolbar != null) {
            mToolbar.getMenu().clear();
        }
    }

    public Menu getMenu() {
        return mToolbar.getMenu();
    }

    @Override
    public boolean onMenuItemClick(MenuItem item) {
        if (item.getItemId() == R.id.menu_download) {
//            MtaHelper.onEvent("下载管理", "下载管理入口", getActivityNameInChinese());
            Intent intent = DownloadManagerActivity.getDownloadMangerIntent(this, mEntrance);
            startActivity(intent);
        }
        return false;
    }

    protected View.OnClickListener provideNavigationItemClickListener() {
        return view -> onBackPressed();
    }

    protected boolean showDownloadMenu() {
        return false;
    }

    @Override
    public void hideToolbar(boolean isHide) {
        if (mToolbarContainer != null) {
            mToolbarContainer.setVisibility(isHide ? View.GONE : View.VISIBLE);
        }
    }
}