package org.mian.gitnex.adapters;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.graphics.Typeface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.core.text.HtmlCompat;
import androidx.recyclerview.widget.RecyclerView;
import com.amulyakhare.textdrawable.TextDrawable;
import com.amulyakhare.textdrawable.util.ColorGenerator;
import com.google.android.material.bottomsheet.BottomSheetDialog;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import java.util.List;
import org.gitnex.tea4j.v2.models.WikiPageMetaData;
import org.mian.gitnex.R;
import org.mian.gitnex.activities.RepoDetailActivity;
import org.mian.gitnex.activities.WikiActivity;
import org.mian.gitnex.clients.RetrofitClient;
import org.mian.gitnex.databinding.FragmentWikiBinding;
import org.mian.gitnex.helpers.ClickListener;
import org.mian.gitnex.helpers.TimeHelper;
import org.mian.gitnex.helpers.Toasty;
import org.mian.gitnex.helpers.contexts.RepositoryContext;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

/**
 * @author M M Arif
 */
public class WikiListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

	private final Context ctx;
	private final FragmentWikiBinding fragmentWikiBinding;
	private final String repoOwner;
	private final String repoName;
	private List<WikiPageMetaData> wikiList;
	private OnLoadMoreListener loadMoreListener;
	private boolean isLoading = false, isMoreDataAvailable = true;

	public WikiListAdapter(
			List<WikiPageMetaData> wikiListMain,
			Context ctx,
			String repoOwner,
			String repoName,
			FragmentWikiBinding fragmentWikiBinding) {
		this.ctx = ctx;
		this.wikiList = wikiListMain;
		this.repoOwner = repoOwner;
		this.repoName = repoName;
		this.fragmentWikiBinding = fragmentWikiBinding;
	}

	@NonNull @Override
	public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
		LayoutInflater inflater = LayoutInflater.from(ctx);
		return new WikiListAdapter.WikisHolder(inflater.inflate(R.layout.list_wiki, parent, false));
	}

	@Override
	public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
		if (position >= getItemCount() - 1
				&& isMoreDataAvailable
				&& !isLoading
				&& loadMoreListener != null) {
			isLoading = true;
			loadMoreListener.onLoadMore();
		}

		((WikiListAdapter.WikisHolder) holder).bindData(wikiList.get(position));
	}

	@Override
	public int getItemViewType(int position) {
		return position;
	}

	@Override
	public int getItemCount() {
		return wikiList.size();
	}

	private void updateAdapter(int position) {
		wikiList.remove(position);
		notifyItemRemoved(position);
		notifyItemRangeChanged(position, wikiList.size());
	}

	public void setMoreDataAvailable(boolean moreDataAvailable) {
		isMoreDataAvailable = moreDataAvailable;
		if (!isMoreDataAvailable) {
			loadMoreListener.onLoadFinished();
		}
	}

	@SuppressLint("NotifyDataSetChanged")
	public void notifyDataChanged() {
		notifyDataSetChanged();
		isLoading = false;
		loadMoreListener.onLoadFinished();
	}

	public void setLoadMoreListener(OnLoadMoreListener loadMoreListener) {
		this.loadMoreListener = loadMoreListener;
	}

	public void updateList(List<WikiPageMetaData> list) {
		wikiList = list;
		notifyDataChanged();
	}

	private void deleteWiki(
			final String owner,
			final String repo,
			final String pageName,
			int position,
			final Context context) {

		MaterialAlertDialogBuilder materialAlertDialogBuilder =
				new MaterialAlertDialogBuilder(
						context, R.style.ThemeOverlay_Material3_Dialog_Alert);

		materialAlertDialogBuilder
				.setTitle(String.format(context.getString(R.string.deleteGenericTitle), pageName))
				.setMessage(context.getString(R.string.deleteWikiPageMessage, pageName))
				.setPositiveButton(
						R.string.menuDeleteText,
						(dialog, whichButton) ->
								RetrofitClient.getApiInterface(context)
										.repoDeleteWikiPage(owner, repo, pageName)
										.enqueue(
												new Callback<>() {

													@Override
													public void onResponse(
															@NonNull Call<Void> call,
															@NonNull Response<Void> response) {

														if (response.isSuccessful()) {
															updateAdapter(position);
															Toasty.success(
																	context,
																	context.getString(
																			R.string
																					.wikiPageDeleted));
															if (getItemCount() == 0) {
																fragmentWikiBinding.noData
																		.setVisibility(
																				View.VISIBLE);
															}
														} else if (response.code() == 403) {
															Toasty.error(
																	context,
																	context.getString(
																			R.string
																					.authorizeError));
														} else {
															Toasty.error(
																	context,
																	context.getString(
																			R.string.genericError));
														}
													}

													@Override
													public void onFailure(
															@NonNull Call<Void> call,
															@NonNull Throwable t) {

														Toasty.error(
																context,
																context.getString(
																		R.string.genericError));
													}
												}))
				.setNeutralButton(R.string.cancelButton, null)
				.show();
	}

	public interface OnLoadMoreListener {

		void onLoadMore();

		void onLoadFinished();
	}

	class WikisHolder extends RecyclerView.ViewHolder {

		private final ImageView avatar;
		private final TextView pageName;
		private final TextView wikiLastUpdatedBy;
		private final ImageView wikiMenu;
		private WikiPageMetaData wikiPageMeta;

		WikisHolder(View itemView) {

			super(itemView);
			pageName = itemView.findViewById(R.id.page_name);
			avatar = itemView.findViewById(R.id.image_avatar);
			wikiLastUpdatedBy = itemView.findViewById(R.id.wiki_last_updated_by);
			wikiMenu = itemView.findViewById(R.id.wiki_menu);

			itemView.setOnClickListener(
					v -> {
						Intent intent = new Intent(ctx, WikiActivity.class);
						intent.putExtra("pageName", wikiPageMeta.getTitle());
						intent.putExtra(
								RepositoryContext.INTENT_EXTRA,
								((RepoDetailActivity) itemView.getContext()).repository);
						ctx.startActivity(intent);
					});

			wikiMenu.setOnClickListener(
					v -> {
						Context ctx = v.getContext();

						View view =
								LayoutInflater.from(ctx)
										.inflate(
												R.layout.bottom_sheet_wiki_in_list,
												itemView.findViewById(android.R.id.content),
												false);

						TextView bottomSheetHeader = view.findViewById(R.id.bottom_sheet_header);
						TextView editWiki = view.findViewById(R.id.edit_wiki);
						TextView deleteWiki = view.findViewById(R.id.delete_wiki);

						bottomSheetHeader.setText(wikiPageMeta.getTitle());

						BottomSheetDialog dialog = new BottomSheetDialog(ctx);
						dialog.setContentView(view);
						dialog.show();

						editWiki.setOnClickListener(
								v12 -> {
									Intent intent = new Intent(ctx, WikiActivity.class);
									intent.putExtra("pageName", wikiPageMeta.getTitle());
									intent.putExtra("action", "edit");
									intent.putExtra(
											RepositoryContext.INTENT_EXTRA,
											((RepoDetailActivity) itemView.getContext())
													.repository);
									ctx.startActivity(intent);
									dialog.dismiss();
								});

						deleteWiki.setOnClickListener(
								v12 -> {
									deleteWiki(
											repoOwner,
											repoName,
											wikiPageMeta.getTitle(),
											getAbsoluteAdapterPosition(),
											ctx);
									dialog.dismiss();
								});
					});
		}

		@SuppressLint("SetTextI18n")
		void bindData(WikiPageMetaData wikiPageMetaData) {

			this.wikiPageMeta = wikiPageMetaData;

			pageName.setText(wikiPageMetaData.getTitle());
			wikiLastUpdatedBy.setText(
					HtmlCompat.fromHtml(
							ctx.getResources()
									.getString(
											R.string.wikiAuthor,
											wikiPageMetaData.getLastCommit().getAuthor().getName(),
											TimeHelper.formatTime(
													TimeHelper.parseIso8601(
															wikiPageMetaData
																	.getLastCommit()
																	.getAuthor()
																	.getDate()),
													ctx.getResources().getConfiguration().locale,
													"pretty",
													ctx)),
							HtmlCompat.FROM_HTML_MODE_COMPACT));
			this.wikiLastUpdatedBy.setOnClickListener(
					new ClickListener(
							TimeHelper.customDateFormatForToastDateFormat(
									TimeHelper.parseIso8601(
											wikiPageMetaData
													.getLastCommit()
													.getAuthor()
													.getDate())),
							ctx));

			ColorGenerator generator = ColorGenerator.Companion.getMATERIAL();
			int color = generator.getColor(wikiPageMetaData.getTitle());
			if (wikiPageMetaData.getTitle() != null && wikiPageMetaData.getTitle().length() > 0) {
				String firstCharacter = String.valueOf(wikiPageMetaData.getTitle().charAt(0));

				TextDrawable drawable =
						TextDrawable.builder()
								.beginConfig()
								.useFont(Typeface.DEFAULT)
								.fontSize(18)
								.toUpperCase()
								.width(28)
								.height(28)
								.endConfig()
								.buildRoundRect(firstCharacter, color, 14);
				avatar.setImageDrawable(drawable);
			} else {
				avatar.setVisibility(View.GONE);
			}

			if (!((RepoDetailActivity) ctx).repository.getPermissions().isPush()) {
				wikiMenu.setVisibility(View.GONE);
			}
		}
	}
}