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.other.HdlCommonLogic;
import com.hdl.sdk.link.core.bean.eventbus.BaseEventBus;

import org.greenrobot.eventbus.EventBus;

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;
                showFragment();
                initView();

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

            }
        });

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


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

    private void initData() {
    }

    /**
     * 发布点击事件
     *
     * @param tabSwitch -
     */
    private void postEventBus(HdlCommonLogic.MessageFunctionTabSwitch tabSwitch) {
        BaseEventBus baseEventBus = new BaseEventBus();
        baseEventBus.setTopic(ConstantManage.message_function_tab_switch);
        baseEventBus.setType(tabSwitch + "");
        EventBus.getDefault().post(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();
    }

    /**
     * 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();
        //把当前显示的fragment记录下来
        currentFragment = fragmentList.get(currentIndex);
    }


}