package nextrek.widgets.rubberlist;

import nextrek.lib.R;
import android.view.View;
import android.widget.AbsListView;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;


public class RubberFooterController extends RubberControllerBase {

    private static final int MINIMUM_COUNT_TO_SHOW_FOOTER = 7;

    private TextView mRefreshViewText;
    private ImageView mArrowImageView;
    private ProgressBar mRefreshViewProgress;

    public RubberFooterController(RubberListView parent) {

        super(parent, R.layout.rubber_footer_layout);

        mRefreshViewText = (TextView) mWidgetRootView.findViewById(R.id.pull_to_refresh_text);
        mArrowImageView = (ImageView) mWidgetRootView.findViewById(R.id.pull_to_refresh_image);
        mRefreshViewProgress = (ProgressBar) mWidgetRootView.findViewById(R.id.pull_to_refresh_progress);

        mArrowImageView.setMinimumHeight(50);

        mWidgetRootView.setOnClickListener(mClickToRefreshListener);

        mParentListView.addFooterView(mWidgetRootView);

        measureView(mWidgetRootView);

        setWidgetState(WidgetState.PULL_TO_REFRESH);

        mParentListView.setRubberFooterWidget(this);
    }

    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {
        super.onScrollStateChanged(view, scrollState);

        if (mCurrentScrollState == AbsListView.OnScrollListener.SCROLL_STATE_FLING) {
            return;
        }
    }

    @Override
    protected int getWidgetHeight() {
        return mParentListView.getHeight() - mWidgetRootView.getTop();
    }

    @Override
    protected boolean widgetIsVisibleOnScreen() {
        return super.widgetIsVisibleOnScreen() && (mParentListView.getLastVisiblePosition() == (mParentListView.getAdapter().getCount() - 1));
    }

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {

        if (totalItemCount <= visibleItemCount) {
            mWidgetRootView.setVisibility(View.GONE);
        } else {
            mWidgetRootView.setVisibility(View.VISIBLE);
        }

        super.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount);
    }

    WidgetState mWidgetState = WidgetState.TAP_TO_REFRESH;

    @Override
    public WidgetState getWidgetState() {
        return mWidgetState;
    }

    @Override
    public void setWidgetState(WidgetState newState) {
        if (mWidgetState != newState) {

            // System.out.println("setWidgetState("+newState.toString()+")");

            switch (newState) {
                case TAP_TO_REFRESH:
                    restoreViewPadding();

                    mRefreshViewProgress.setVisibility(View.GONE);
                    mArrowImageView.setVisibility(View.GONE);

                    // Set refresh view text to the pull label
                    mRefreshViewText.setText(R.string.pull_to_refresh_tap_label);
                    // Replace refresh drawable with arrow drawable
                    mArrowImageView.setImageResource(R.drawable.rubber_footer_arrow);
                    // Clear the full rotation animation
                    mArrowImageView.clearAnimation();
                    // Hide progress bar and arrow.

                    break;

                case REFRESHING:
                    mArrowImageView.clearAnimation();
                    mArrowImageView.setVisibility(View.GONE);

                    restoreViewPadding();

                    mRefreshViewProgress.setVisibility(View.VISIBLE);

                    // Set refresh view text to the refreshing label
                    mRefreshViewText.setText(R.string.pull_to_refresh_refreshing_label);

                    break;

                case PULL_TO_REFRESH:
                    mRefreshViewProgress.setVisibility(View.GONE);
                    mArrowImageView.setVisibility(View.VISIBLE);

                    mRefreshViewText.setText(R.string.pull_to_refresh_load_more_pull_label);
                    mArrowImageView.clearAnimation();
                    if (getWidgetState() == WidgetState.RELEASE_TO_REFRESH) {
                        mArrowImageView.startAnimation(mReverseFlipAnimation);
                    }
                    break;

                case RELEASE_TO_REFRESH:
                    mRefreshViewProgress.setVisibility(View.GONE);
                    mArrowImageView.setVisibility(View.VISIBLE);

                    mRefreshViewText.setText(R.string.pull_to_refresh_load_more_release_label);
                    mArrowImageView.clearAnimation();
                    if (getWidgetState() == WidgetState.PULL_TO_REFRESH) {
                        mArrowImageView.startAnimation(mFlipAnimation);
                    }
                    break;

                default:
                    break;
            }

            mWidgetState = newState;
        }
    }

    @Override
    public void onRefreshComplete() {
        super.onRefreshComplete();

        if (mParentListView.getCount() >= MINIMUM_COUNT_TO_SHOW_FOOTER) {
            mWidgetRootView.setVisibility(View.VISIBLE);
        } else {
            mWidgetRootView.setVisibility(View.GONE);
        }
    }
}