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package org.holoeverywhere.app;

import org.holoeverywhere.R;
import org.holoeverywhere.internal.AlertController;
import org.holoeverywhere.internal.AlertController.AlertDecorViewInstaller;
import org.holoeverywhere.internal.AlertController.AlertParams.OnPrepareListViewListener;
import org.holoeverywhere.widget.ListView;

import android.content.Context;
import android.content.DialogInterface;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Message;
import android.util.Log;
import android.util.TypedValue;
import android.view.ContextThemeWrapper;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListAdapter;

public class AlertDialog extends Dialog implements DialogInterface,
        AlertDecorViewInstaller {
    public static class Builder {
        private static final Class[] CONSTRUCTOR_SIGNATURE = {
                Context.class, int.class
        };
        private Class clazz;
        private final AlertController.AlertParams P;

        private final String TAG = getClass().getSimpleName();

        public Builder(Context context) {
            this(context, AlertDialog.resolveDialogTheme(context, 0));
        }

        public Builder(Context context, int theme) {
            P = new AlertController.AlertParams(new ContextThemeWrapper(
                    context, AlertDialog.resolveDialogTheme(context, theme)));
            P.mTheme = theme;
        }

        public AlertDialog create() {
            AlertDialog dialog = null;
            if (clazz != null) {
                try {
                    dialog = clazz.getConstructor(CONSTRUCTOR_SIGNATURE).newInstance(P.mContext,
                            P.mTheme);
                } catch (Exception e) {
                    Log.e(TAG, "Cannot create AlertDialog instance from clazz " + clazz.getName()
                            + ", use default", e);
                }
            }
            if (dialog == null) {
                dialog = new AlertDialog(P.mContext, P.mTheme);
            }
            P.apply(dialog.mAlert);
            dialog.setCancelable(P.mCancelable);
            if (P.mCancelable) {
                dialog.setCanceledOnTouchOutside(true);
            }
            if (P.mOnCancelListener != null) {
                dialog.setOnCancelListener(P.mOnCancelListener);
            }
            if (P.mOnKeyListener != null) {
                dialog.setOnKeyListener(P.mOnKeyListener);
            }
            if (P.mOnDismissListener != null) {
                dialog.setOnDismissListener(P.mOnDismissListener);
            }
            return dialog;
        }

        public Context getContext() {
            return P.mContext;
        }

        public Builder setAdapter(final ListAdapter adapter,
                final OnClickListener listener) {
            P.mAdapter = adapter;
            P.mOnClickListener = listener;
            return this;
        }

        public Builder setAlertDialogClass(Class clazz) {
            this.clazz = clazz;
            return this;
        }

        public Builder setCancelable(boolean cancelable) {
            P.mCancelable = cancelable;
            return this;
        }

        public Builder setCheckedItem(int checkedItem) {
            P.mCheckedItem = checkedItem;
            return this;
        }

        public Builder setCursor(final Cursor cursor,
                final OnClickListener listener, String labelColumn) {
            P.mCursor = cursor;
            P.mLabelColumn = labelColumn;
            P.mOnClickListener = listener;
            return this;
        }

        public Builder setCustomTitle(View customTitleView) {
            P.mCustomTitleView = customTitleView;
            return this;
        }

        public Builder setIcon(Drawable icon) {
            P.mIcon = icon;
            return this;
        }

        public Builder setIcon(int iconId) {
            P.mIconId = iconId;
            return this;
        }

        public Builder setIconAttribute(int attrId) {
            TypedValue out = new TypedValue();
            P.mContext.getTheme().resolveAttribute(attrId, out, true);
            P.mIconId = out.resourceId;
            return this;
        }

        public Builder setInverseBackgroundForced(boolean useInverseBackground) {
            P.mForceInverseBackground = useInverseBackground;
            return this;
        }

        public Builder setItems(CharSequence[] items,
                final OnClickListener listener) {
            P.mItems = items;
            P.mOnClickListener = listener;
            return this;
        }

        public Builder setItems(int itemsId, final OnClickListener listener) {
            P.mItems = P.mContext.getResources().getTextArray(itemsId);
            P.mOnClickListener = listener;
            return this;
        }

        public Builder setMessage(CharSequence message) {
            P.mMessage = message;
            return this;
        }

        public Builder setMessage(int messageId) {
            P.mMessage = P.mContext.getText(messageId);
            return this;
        }

        public Builder setMultiChoiceItems(CharSequence[] items,
                boolean[] checkedItems,
                final OnMultiChoiceClickListener listener) {
            P.mItems = items;
            P.mOnCheckboxClickListener = listener;
            P.mCheckedItems = checkedItems;
            P.mIsMultiChoice = true;
            return this;
        }

        public Builder setMultiChoiceItems(Cursor cursor,
                String isCheckedColumn, String labelColumn,
                final OnMultiChoiceClickListener listener) {
            P.mCursor = cursor;
            P.mOnCheckboxClickListener = listener;
            P.mIsCheckedColumn = isCheckedColumn;
            P.mLabelColumn = labelColumn;
            P.mIsMultiChoice = true;
            return this;
        }

        public Builder setMultiChoiceItems(int itemsId, boolean[] checkedItems,
                final OnMultiChoiceClickListener listener) {
            P.mItems = P.mContext.getResources().getTextArray(itemsId);
            P.mOnCheckboxClickListener = listener;
            P.mCheckedItems = checkedItems;
            P.mIsMultiChoice = true;
            return this;
        }

        public Builder setNegativeButton(CharSequence text,
                final OnClickListener listener) {
            P.mNegativeButtonText = text;
            P.mNegativeButtonListener = listener;
            return this;
        }

        public Builder setNegativeButton(int textId,
                final OnClickListener listener) {
            P.mNegativeButtonText = P.mContext.getText(textId);
            P.mNegativeButtonListener = listener;
            return this;
        }

        public Builder setNeutralButton(CharSequence text,
                final OnClickListener listener) {
            P.mNeutralButtonText = text;
            P.mNeutralButtonListener = listener;
            return this;
        }

        public Builder setNeutralButton(int textId,
                final OnClickListener listener) {
            P.mNeutralButtonText = P.mContext.getText(textId);
            P.mNeutralButtonListener = listener;
            return this;
        }

        public Builder setOnCancelListener(OnCancelListener onCancelListener) {
            P.mOnCancelListener = onCancelListener;
            return this;
        }

        public Builder setOnDismissListener(OnDismissListener onDismissListener) {
            P.mOnDismissListener = onDismissListener;
            return this;
        }

        public Builder setOnItemSelectedListener(
                final AdapterView.OnItemSelectedListener listener) {
            P.mOnItemSelectedListener = listener;
            return this;
        }

        public Builder setOnKeyListener(OnKeyListener onKeyListener) {
            P.mOnKeyListener = onKeyListener;
            return this;
        }

        public Builder setOnPrepareListViewListener(
                OnPrepareListViewListener listener) {
            P.mOnPrepareListViewListener = listener;
            return this;
        }

        public Builder setPositiveButton(CharSequence text,
                final OnClickListener listener) {
            P.mPositiveButtonText = text;
            P.mPositiveButtonListener = listener;
            return this;
        }

        public Builder setPositiveButton(int textId,
                final OnClickListener listener) {
            P.mPositiveButtonText = P.mContext.getText(textId);
            P.mPositiveButtonListener = listener;
            return this;
        }

        public Builder setSingleChoiceItems(CharSequence[] items,
                int checkedItem, final OnClickListener listener) {
            P.mItems = items;
            P.mOnClickListener = listener;
            P.mCheckedItem = checkedItem;
            P.mIsSingleChoice = true;
            return this;
        }

        public Builder setSingleChoiceItems(Cursor cursor, int checkedItem,
                String labelColumn, final OnClickListener listener) {
            P.mCursor = cursor;
            P.mOnClickListener = listener;
            P.mCheckedItem = checkedItem;
            P.mLabelColumn = labelColumn;
            P.mIsSingleChoice = true;
            return this;
        }

        public Builder setSingleChoiceItems(int itemsId, int checkedItem,
                final OnClickListener listener) {
            P.mItems = P.mContext.getResources().getTextArray(itemsId);
            P.mOnClickListener = listener;
            P.mCheckedItem = checkedItem;
            P.mIsSingleChoice = true;
            return this;
        }

        public Builder setSingleChoiceItems(ListAdapter adapter,
                int checkedItem, final OnClickListener listener) {
            P.mAdapter = adapter;
            P.mOnClickListener = listener;
            P.mCheckedItem = checkedItem;
            P.mIsSingleChoice = true;
            return this;
        }

        public Builder setTitle(CharSequence title) {
            P.mTitle = title;
            return this;
        }

        public Builder setTitle(int titleId) {
            P.mTitle = P.mContext.getText(titleId);
            return this;
        }

        public Builder setView(View view) {
            P.mView = view;
            P.mViewSpacingSpecified = false;
            return this;
        }

        public Builder setView(View view, int viewSpacingLeft,
                int viewSpacingTop, int viewSpacingRight, int viewSpacingBottom) {
            P.mView = view;
            P.mViewSpacingSpecified = true;
            P.mViewSpacingLeft = viewSpacingLeft;
            P.mViewSpacingTop = viewSpacingTop;
            P.mViewSpacingRight = viewSpacingRight;
            P.mViewSpacingBottom = viewSpacingBottom;
            return this;
        }

        public AlertDialog show() {
            AlertDialog dialog = create();
            dialog.show();
            return dialog;
        }
    }

    public static final int THEME_HOLO_DARK = 1;
    public static final int THEME_HOLO_LIGHT = 2;

    static int resolveDialogTheme(Context context, int resid) {
        if (resid == AlertDialog.THEME_HOLO_DARK) {
            return R.style.Holo_Theme_Dialog_Alert;
        } else if (resid == AlertDialog.THEME_HOLO_LIGHT) {
            return R.style.Holo_Theme_Dialog_Alert_Light;
        } else if (resid >= 0x01000000) {
            return resid;
        } else {
            TypedValue outValue = new TypedValue();
            context.getTheme().resolveAttribute(R.attr.alertDialogTheme,
                    outValue, true);
            return outValue.resourceId;
        }
    }

    private final AlertController mAlert;

    protected AlertDialog(Context context) {
        this(context, false, null, AlertDialog.resolveDialogTheme(context, 0));
    }

    protected AlertDialog(Context context, boolean cancelable,
            OnCancelListener cancelListener) {
        this(context, cancelable, cancelListener, AlertDialog
                .resolveDialogTheme(context, 0));
    }

    protected AlertDialog(Context context, boolean cancelable,
            OnCancelListener cancelListener, int theme) {
        super(context, AlertDialog.resolveDialogTheme(context, theme));
        setCancelable(cancelable);
        setOnCancelListener(cancelListener);
        mAlert = new AlertController(context, this, getWindow(), this);
    }

    protected AlertDialog(Context context, int theme) {
        this(context, false, null, theme);
    }

    public Button getButton(int whichButton) {
        return mAlert.getButton(whichButton);
    }

    public ListView getListView() {
        return mAlert.getListView();
    }

    @Override
    public void installDecorView(Context context, int layout) {
        setContentView(layout);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mAlert.installContent();
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (mAlert.onKeyDown(keyCode, event)) {
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (mAlert.onKeyUp(keyCode, event)) {
            return true;
        }
        return super.onKeyUp(keyCode, event);
    }

    @Deprecated
    public void setButton(CharSequence text, Message msg) {
        setButton(DialogInterface.BUTTON_POSITIVE, text, msg);
    }

    @Deprecated
    public void setButton(CharSequence text, final OnClickListener listener) {
        setButton(DialogInterface.BUTTON_POSITIVE, text, listener);
    }

    public void setButton(int whichButton, CharSequence text, Message msg) {
        mAlert.setButton(whichButton, text, null, msg);
    }

    public void setButton(int whichButton, CharSequence text,
            OnClickListener listener) {
        mAlert.setButton(whichButton, text, listener, null);
    }

    @Deprecated
    public void setButton2(CharSequence text, Message msg) {
        setButton(DialogInterface.BUTTON_NEGATIVE, text, msg);
    }

    @Deprecated
    public void setButton2(CharSequence text, final OnClickListener listener) {
        setButton(DialogInterface.BUTTON_NEGATIVE, text, listener);
    }

    @Deprecated
    public void setButton3(CharSequence text, Message msg) {
        setButton(DialogInterface.BUTTON_NEUTRAL, text, msg);
    }

    @Deprecated
    public void setButton3(CharSequence text, final OnClickListener listener) {
        setButton(DialogInterface.BUTTON_NEUTRAL, text, listener);
    }

    public void setCustomTitle(View customTitleView) {
        mAlert.setCustomTitle(customTitleView);
    }

    public void setIcon(Drawable icon) {
        mAlert.setIcon(icon);
    }

    public void setIcon(int resId) {
        mAlert.setIcon(resId);
    }

    public void setIconAttribute(int attrId) {
        TypedValue out = new TypedValue();
        getContext().getTheme().resolveAttribute(attrId, out, true);
        mAlert.setIcon(out.resourceId);
    }

    public void setInverseBackgroundForced(boolean forceInverseBackground) {
        mAlert.setInverseBackgroundForced(forceInverseBackground);
    }

    public void setMessage(CharSequence message) {
        mAlert.setMessage(message);
    }

    @Override
    public void setTitle(CharSequence title) {
        super.setTitle(title);
        mAlert.setTitle(title);
    }

    public void setView(View view) {
        mAlert.setView(view);
    }

    public void setView(View view, int viewSpacingLeft, int viewSpacingTop,
            int viewSpacingRight, int viewSpacingBottom) {
        mAlert.setView(view, viewSpacingLeft, viewSpacingTop, viewSpacingRight,
                viewSpacingBottom);
    }
}