package com.hdl.photovoltaic.ui.message;

import android.os.Bundle;
import android.view.View;


import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;

import com.hdl.photovoltaic.R;
import com.hdl.photovoltaic.base.CustomBaseFragment;
import com.hdl.photovoltaic.config.ConstantManage;
import com.hdl.photovoltaic.databinding.FragmentMessageBinding;
import com.hdl.photovoltaic.enums.HomepageTitleTabSwitch;
import com.hdl.photovoltaic.enums.MessageFunctionTabSwitch;
import com.hdl.photovoltaic.other.HdlLogLogic;
import com.hdl.sdk.link.core.bean.eventbus.BaseEventBus;

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

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

/**
 * 消息
 */
public class MessageFragment extends CustomBaseFragment {

    private FragmentMessageBinding viewBinding;

    //当前显示的fragment
    private static final String CURRENT_FRAGMENT = "state_fragment_show";
    private FragmentManager mFragmentManager;
    private Fragment currentFragment = new Fragment();
    private final List<Fragment> fragmentList = new ArrayList<>();
    private int currentIndex = 0;

    @Override
    public Object getContentView() {
        viewBinding = FragmentMessageBinding.inflate(getLayoutInflater());
        return viewBinding.getRoot();
    }

    @Override
    public void onBindView(Bundle savedInstanceState) {

        //初始化碎片
        initFragment(savedInstanceState);
        //初始化界面
        initView();
        //初始化监听器
        initEvent();
        //初始化数据
        initData();
    }

    private void initEvent() {

        //发生中
        viewBinding.messageTabNascentCl.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                currentIndex = 0;
                initView();
                showFragment();
                postEventBus(MessageFunctionTabSwitch.nascent);

            }
        });
        //已恢复
        viewBinding.messageTabRecoverCl.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                currentIndex = 1;
                initView();
                showFragment();
                postEventBus(MessageFunctionTabSwitch.recover);

            }
        });

        //全部
        viewBinding.messageTabAllCl.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                currentIndex = 2;
                initView();
                showFragment();
                postEventBus(MessageFunctionTabSwitch.all);
            }
        });
    }


    private void initView() {
        if (this.currentIndex == 0) {
            viewBinding.messageTabNascentTitleTv.setTextColor(getResources().getColor(R.color.text_FFFFFFFF, null));
            viewBinding.messageTabRecoverTitleTv.setTextColor(getResources().getColor(R.color.text80_FFFFFF, null));
            viewBinding.messageTabAllTitleTv.setTextColor(getResources().getColor(R.color.text80_FFFFFF, null));
            viewBinding.line1V.setVisibility(View.VISIBLE);
            viewBinding.line2V.setVisibility(View.GONE);
            viewBinding.line3V.setVisibility(View.GONE);
        } else if (this.currentIndex == 1) {
            viewBinding.messageTabNascentTitleTv.setTextColor(getResources().getColor(R.color.text80_FFFFFF, null));
            viewBinding.messageTabRecoverTitleTv.setTextColor(getResources().getColor(R.color.text_FFFFFFFF, null));
            viewBinding.messageTabAllTitleTv.setTextColor(getResources().getColor(R.color.text80_FFFFFF, null));
            viewBinding.line1V.setVisibility(View.GONE);
            viewBinding.line2V.setVisibility(View.VISIBLE);
            viewBinding.line3V.setVisibility(View.GONE);
        } else if (this.currentIndex == 2) {
            viewBinding.messageTabNascentTitleTv.setTextColor(getResources().getColor(R.color.text80_FFFFFF, null));
            viewBinding.messageTabRecoverTitleTv.setTextColor(getResources().getColor(R.color.text80_FFFFFF, null));
            viewBinding.messageTabAllTitleTv.setTextColor(getResources().getColor(R.color.text_FFFFFFFF, null));
            viewBinding.line1V.setVisibility(View.GONE);
            viewBinding.line2V.setVisibility(View.GONE);
            viewBinding.line3V.setVisibility(View.VISIBLE);
        }

    }

    private void initData() {
    }

    /**
     * 发布点击事件
     *
     * @param tabSwitch -
     */
    private void postEventBus(MessageFunctionTabSwitch tabSwitch) {
        BaseEventBus baseEventBus = new BaseEventBus();
        baseEventBus.setTopic(ConstantManage.message_function_tab_switch);
        baseEventBus.setType(tabSwitch.toString());
        //发送粘性事件(如果不发粘性事件会遇到一个没有加载出来的碎片接收不到信息)
        EventBus.getDefault().postSticky(baseEventBus);
    }


    /**
     * 初始化Fragment
     *
     * @param savedInstanceState -
     */
    private void initFragment(Bundle savedInstanceState) {
        mFragmentManager = _mActivity.getSupportFragmentManager();
        //碎片初始化
        NascentMessageFragment mNascentMessageFragment = new NascentMessageFragment();
        RecoverMessageFragment mRecoverMessageFragment = new RecoverMessageFragment();
        AllMessageFragment mAllMessageFragment = new AllMessageFragment();
        if (savedInstanceState != null) {
            //“内存重启”时调用 获取“内存重启”时保存的索引下标
            currentIndex = savedInstanceState.getInt(CURRENT_FRAGMENT, 0);
            if (fragmentList.size() != 0) {
                fragmentList.clear();
            }
            fragmentList.add(mFragmentManager.findFragmentByTag(0 + ""));
            fragmentList.add(mFragmentManager.findFragmentByTag(1 + ""));
            fragmentList.add(mFragmentManager.findFragmentByTag(2 + ""));
            restoreFragment();//恢复fragment页面
        } else {
            //正常启动时调用
            fragmentList.add(mNascentMessageFragment);
            fragmentList.add(mRecoverMessageFragment);
            fragmentList.add(mAllMessageFragment);
            showFragment();
        }

    }

    /**
     * 使用show() hide()切换页面
     * 显示fragment
     */
    private void showFragment() {
        FragmentTransaction ft = mFragmentManager.beginTransaction();
        //如果之前没有添加过
        if (!fragmentList.get(currentIndex).isAdded()) {
            //第三个参数为添加当前的fragment时绑定一个tag
            ft.hide(currentFragment).add(R.id.message_fcv, fragmentList.get(currentIndex), currentIndex + "");
        } else {
            ft.hide(currentFragment).show(fragmentList.get(currentIndex));
        }
        currentFragment = fragmentList.get(currentIndex);
        ft.commit();
        //把当前显示的fragment记录下来
        currentFragment = fragmentList.get(currentIndex);


    }

    /**
     * 恢复fragment
     */
    private void restoreFragment() {
        FragmentTransaction ft = mFragmentManager.beginTransaction();
        for (int i = 0; i < fragmentList.size(); i++) {
            if (i == currentIndex) {
                ft.show(fragmentList.get(i));
            } else {
                ft.hide(fragmentList.get(i));
            }
        }
        ft.commit();

    }

    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
    public void onEventMessage(BaseEventBus eventBus) {
        super.onEventMessage(eventBus);
        if (eventBus == null) {
            return;
        }
        //接收外部点击事件
        if (eventBus.getTopic().equals(ConstantManage.homepage_title_tab_switch)) {
            if (eventBus.getType().equals(HomepageTitleTabSwitch.message.toString())) {
                // 取消粘性事件
                EventBus.getDefault().removeStickyEvent(eventBus);
                postEventBus(MessageFunctionTabSwitch.nascent);
                HdlLogLogic.print("正在点击【消息】");

            }
        }
    }
}