/*
 * Copyright (c) 2020 WildFireChat. All rights reserved.
 */

package cn.wildfire.chat.kit.contact;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;

import androidx.annotation.Nullable;

import java.util.List;

import cn.wildfire.chat.kit.R;
import cn.wildfire.chat.kit.channel.ChannelListActivity;
import cn.wildfire.chat.kit.contact.model.ContactCountFooterValue;
import cn.wildfire.chat.kit.contact.model.FriendRequestValue;
import cn.wildfire.chat.kit.contact.model.GroupValue;
import cn.wildfire.chat.kit.contact.model.HeaderValue;
import cn.wildfire.chat.kit.contact.model.UIUserInfo;
import cn.wildfire.chat.kit.contact.newfriend.FriendRequestListActivity;
import cn.wildfire.chat.kit.contact.viewholder.footer.ContactCountViewHolder;
import cn.wildfire.chat.kit.contact.viewholder.header.ChannelViewHolder;
import cn.wildfire.chat.kit.contact.viewholder.header.FriendRequestViewHolder;
import cn.wildfire.chat.kit.contact.viewholder.header.GroupViewHolder;
import cn.wildfire.chat.kit.group.GroupListActivity;
import cn.wildfire.chat.kit.user.UserInfoActivity;
import cn.wildfire.chat.kit.widget.QuickIndexBar;
import cn.wildfirechat.model.ChannelInfo;

public class ContactListFragment extends BaseUserListFragment implements QuickIndexBar.OnLetterUpdateListener {
    private boolean pick = false;
    private List<String> filterUserList;
    private static final int REQUEST_CODE_PICK_CHANNEL = 100;

    @Override
    public void setUserVisibleHint(boolean isVisibleToUser) {
        super.setUserVisibleHint(isVisibleToUser);
        if (userListAdapter != null && isVisibleToUser) {
            contactViewModel.reloadContact();
            contactViewModel.reloadFriendRequestStatus();
        }
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Bundle bundle = getArguments();
        if (bundle != null) {
            pick = bundle.getBoolean("pick", false);
            filterUserList = bundle.getStringArrayList("filterUserList");
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        contactViewModel.reloadContact();
        contactViewModel.reloadFriendRequestStatus();
        contactViewModel.reloadFavContact();
    }


    @Override
    protected void afterViews(View view) {
        super.afterViews(view);
        contactViewModel.contactListLiveData().observe(this, userInfos -> {
            showContent();
            if (filterUserList != null) {
                userInfos.removeIf(uiUserInfo -> filterUserList.indexOf(uiUserInfo.getUserInfo().uid) > -1);
            }
            userListAdapter.setUsers(userInfos);
        });
        contactViewModel.friendRequestUpdatedLiveData().observe(getActivity(), integer -> userListAdapter.updateHeader(0, new FriendRequestValue(integer)));
        contactViewModel.favContactListLiveData().observe(getActivity(), uiUserInfos -> {
            if (filterUserList != null) {
                uiUserInfos.removeIf(uiUserInfo -> filterUserList.indexOf(uiUserInfo.getUserInfo().uid) > -1);
            }
            userListAdapter.setFavUsers(uiUserInfos);
        });
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
    }

    @Override
    public void initHeaderViewHolders() {
        if (!pick) {
            addHeaderViewHolder(FriendRequestViewHolder.class, R.layout.contact_header_friend, new FriendRequestValue(contactViewModel.getUnreadFriendRequestCount()));
            addHeaderViewHolder(GroupViewHolder.class, R.layout.contact_header_group, new GroupValue());
        }
        addHeaderViewHolder(ChannelViewHolder.class, R.layout.contact_header_channel, new HeaderValue());
    }

    @Override
    public void initFooterViewHolders() {
        addFooterViewHolder(ContactCountViewHolder.class, R.layout.contact_item_footer, new ContactCountFooterValue());
    }

    @Override
    public void onUserClick(UIUserInfo userInfo) {
        if (pick) {
            Intent intent = new Intent();
            intent.putExtra("userInfo", userInfo.getUserInfo());
            getActivity().setResult(Activity.RESULT_OK, intent);
            getActivity().finish();
        } else {
            Intent intent = new Intent(getActivity(), UserInfoActivity.class);
            intent.putExtra("userInfo", userInfo.getUserInfo());
            startActivity(intent);
        }
    }

    @Override
    public void onHeaderClick(int index) {
        if (pick) {
            showChannelList();
            return;
        }
        switch (index) {
            case 0:
                showFriendRequest();
                break;
            case 1:
                showGroupList();
                break;
            case 2:
                showChannelList();
                break;
            default:
                break;
        }
    }

    private void showFriendRequest() {
        FriendRequestValue value = new FriendRequestValue(0);
        userListAdapter.updateHeader(0, value);

        Intent intent = new Intent(getActivity(), FriendRequestListActivity.class);
        startActivity(intent);
    }

    private void showGroupList() {
        Intent intent = new Intent(getActivity(), GroupListActivity.class);
        startActivity(intent);
    }

    private void showChannelList() {
        Intent intent = new Intent(getActivity(), ChannelListActivity.class);
        if (pick) {
            intent.putExtra("pick", true);
            startActivityForResult(intent, REQUEST_CODE_PICK_CHANNEL);
        } else {
            startActivity(intent);
        }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        if (requestCode == REQUEST_CODE_PICK_CHANNEL && resultCode == Activity.RESULT_OK) {
            Intent intent = new Intent();
            ChannelInfo channelInfo = data.getParcelableExtra("channelInfo");
            intent.putExtra("channelInfo", channelInfo);
            getActivity().setResult(Activity.RESULT_OK, intent);
            getActivity().finish();
        } else {
            super.onActivityResult(requestCode, resultCode, data);
        }
    }
}