/*
 * This is the source code of Telegram for Android v. 1.7.x.
 * It is licensed under GNU GPL v. 2 or later.
 * You should have received a copy of the license in this archive (see LICENSE).
 *
 * Copyright Nikolai Kudashov, 2013-2014.
 */

package org.telegram.ui.Cells;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.text.Layout;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.text.TextUtils;

import org.telegram.PhoneFormat.PhoneFormat;
import org.telegram.android.AndroidUtilities;
import org.telegram.android.ContactsController;
import org.telegram.android.ImageReceiver;
import org.telegram.android.LocaleController;
import org.telegram.android.MessagesController;
import org.telegram.messenger.ConnectionsManager;
import org.telegram.messenger.R;
import org.telegram.messenger.TLRPC;
import org.telegram.messenger.UserConfig;
import org.telegram.ui.Views.AvatarDrawable;

public class ProfileSearchCell extends BaseCell {
    private static TextPaint namePaint;
    private static TextPaint nameEncryptedPaint;
    private static TextPaint onlinePaint;
    private static TextPaint offlinePaint;
    private static Drawable lockDrawable;
    private static Drawable broadcastDrawable;
    private static Drawable groupDrawable;
    private static Paint linePaint;

    private CharSequence currentName;
    private ImageReceiver avatarImage;
    private AvatarDrawable avatarDrawable;
    private CharSequence subLabel;

    private TLRPC.User user = null;
    private TLRPC.Chat chat = null;
    private TLRPC.EncryptedChat encryptedChat = null;

    private String lastName = null;
    private int lastStatus = 0;
    private TLRPC.FileLocation lastAvatar = null;

    public boolean useSeparator = false;
    public float drawAlpha = 1;

    private int nameLeft;
    private int nameTop;
    private StaticLayout nameLayout;
    private boolean drawNameLock;
    private boolean drawNameBroadcast;
    private boolean drawNameGroup;
    private int nameLockLeft;
    private int nameLockTop;

    private int onlineLeft;
    private StaticLayout onlineLayout;

    public ProfileSearchCell(Context context) {
        super(context);
        init();
        avatarImage = new ImageReceiver(this);
        avatarImage.setRoundRadius(AndroidUtilities.dp(26));
        avatarDrawable = new AvatarDrawable();
    }

    private void init() {
        if (namePaint == null) {
            namePaint = new TextPaint(TextPaint.ANTI_ALIAS_FLAG);
            namePaint.setTextSize(AndroidUtilities.dp(17));
            namePaint.setColor(0xff212121);
            namePaint.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));

            nameEncryptedPaint = new TextPaint(TextPaint.ANTI_ALIAS_FLAG);
            nameEncryptedPaint.setTextSize(AndroidUtilities.dp(17));
            nameEncryptedPaint.setColor(0xff00a60e);
            nameEncryptedPaint.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));

            onlinePaint = new TextPaint(TextPaint.ANTI_ALIAS_FLAG);
            onlinePaint.setTextSize(AndroidUtilities.dp(16));
            onlinePaint.setColor(0xff316f9f);

            offlinePaint = new TextPaint(TextPaint.ANTI_ALIAS_FLAG);
            offlinePaint.setTextSize(AndroidUtilities.dp(16));
            offlinePaint.setColor(0xff999999);

            linePaint = new Paint();
            linePaint.setColor(0xffdcdcdc);

            broadcastDrawable = getResources().getDrawable(R.drawable.list_broadcast);
            lockDrawable = getResources().getDrawable(R.drawable.list_secret);
            groupDrawable = getResources().getDrawable(R.drawable.list_group);
        }
    }

    public void setData(TLRPC.User u, TLRPC.Chat c, TLRPC.EncryptedChat ec, CharSequence n, CharSequence s) {
        currentName = n;
        user = u;
        chat = c;
        encryptedChat = ec;
        subLabel = s;
        update(0);
    }

    @Override
    protected void onDetachedFromWindow() {
        super.onDetachedFromWindow();
        if (avatarImage != null) {
            avatarImage.clearImage();
            lastAvatar = null;
        }
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), AndroidUtilities.dp(72));
    }

    @Override
    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
        if (user == null && chat == null && encryptedChat == null) {
            super.onLayout(changed, left, top, right, bottom);
            return;
        }
        if (changed) {
            buildLayout();
        }
    }

    public void buildLayout() {
        CharSequence nameString = "";
        TextPaint currentNamePaint;

        drawNameBroadcast = false;
        drawNameLock = false;
        drawNameGroup = false;

        if (encryptedChat != null) {
            drawNameLock = true;
            if (!LocaleController.isRTL) {
                nameLockLeft = AndroidUtilities.dp(72);
                nameLeft = AndroidUtilities.dp(76) + lockDrawable.getIntrinsicWidth();
            } else {
                nameLockLeft = getMeasuredWidth() - AndroidUtilities.dp(74) - lockDrawable.getIntrinsicWidth();
                nameLeft = AndroidUtilities.dp(11);
            }
            nameLockTop = AndroidUtilities.dp(16.5f);
        } else {
            if (chat != null) {

                if (chat.id < 0) {
                    drawNameBroadcast = true;
                    nameLockTop = AndroidUtilities.dp(28.5f);
                } else {
                    drawNameGroup = true;
                    nameLockTop = AndroidUtilities.dp(30);
                }
                if (!LocaleController.isRTL) {
                    nameLockLeft = AndroidUtilities.dp(72);
                    nameLeft = AndroidUtilities.dp(76) + (drawNameGroup ? groupDrawable.getIntrinsicWidth() : broadcastDrawable.getIntrinsicWidth());
                } else {
                    nameLockLeft = getMeasuredWidth() - AndroidUtilities.dp(74) - (drawNameGroup ? groupDrawable.getIntrinsicWidth() : broadcastDrawable.getIntrinsicWidth());
                    nameLeft = AndroidUtilities.dp(11);
                }
            } else {
                if (!LocaleController.isRTL) {
                    nameLeft = AndroidUtilities.dp(72);
                } else {
                    nameLeft = AndroidUtilities.dp(11);
                }
            }
        }

        if (currentName != null) {
            nameString = currentName;
        } else {
            String nameString2 = "";
            if (chat != null) {
                nameString2 = chat.title;
            } else if (user != null) {
                nameString2 = ContactsController.formatName(user.first_name, user.last_name);
            }
            nameString = nameString2.replace("\n", " ");
        }
        if (nameString.length() == 0) {
            if (user != null && user.phone != null && user.phone.length() != 0) {
                nameString = PhoneFormat.getInstance().format("+" + user.phone);
            } else {
                nameString = LocaleController.getString("HiddenName", R.string.HiddenName);
            }
        }
        if (encryptedChat != null) {
            currentNamePaint = nameEncryptedPaint;
        } else {
            currentNamePaint = namePaint;
        }

        int onlineWidth;
        int nameWidth;
        if (!LocaleController.isRTL) {
            onlineWidth = nameWidth = getMeasuredWidth() - nameLeft - AndroidUtilities.dp(14);
        } else {
            onlineWidth = nameWidth = getMeasuredWidth() - nameLeft - AndroidUtilities.dp(72);
        }
        if (drawNameLock) {
            nameWidth -= AndroidUtilities.dp(6) + lockDrawable.getIntrinsicWidth();
        } else if (drawNameBroadcast) {
            nameWidth -= AndroidUtilities.dp(6) + broadcastDrawable.getIntrinsicWidth();
        } else if (drawNameGroup) {
            nameWidth -= AndroidUtilities.dp(6) + groupDrawable.getIntrinsicWidth();
        }

        CharSequence nameStringFinal = TextUtils.ellipsize(nameString, currentNamePaint, nameWidth - AndroidUtilities.dp(12), TextUtils.TruncateAt.END);
        nameLayout = new StaticLayout(nameStringFinal, currentNamePaint, nameWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);

        if (chat == null) {
            if (!LocaleController.isRTL) {
                onlineLeft = AndroidUtilities.dp(72);
            } else {
                onlineLeft = AndroidUtilities.dp(11);
            }

            CharSequence onlineString = "";
            TextPaint currentOnlinePaint = offlinePaint;

            if (subLabel != null) {
                onlineString = subLabel;
            } else {
                onlineString = LocaleController.formatUserStatus(user);
                if (user != null && (user.id == UserConfig.getClientUserId() || user.status != null && user.status.expires > ConnectionsManager.getInstance().getCurrentTime())) {
                    currentOnlinePaint = onlinePaint;
                    onlineString = LocaleController.getString("Online", R.string.Online);
                }
            }

            CharSequence onlineStringFinal = TextUtils.ellipsize(onlineString, currentOnlinePaint, onlineWidth - AndroidUtilities.dp(12), TextUtils.TruncateAt.END);
            onlineLayout = new StaticLayout(onlineStringFinal, currentOnlinePaint, onlineWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);
            nameTop = AndroidUtilities.dp(13);
        } else {
            onlineLayout = null;
            nameTop = AndroidUtilities.dp(25);
        }

        int avatarLeft;
        if (!LocaleController.isRTL) {
            avatarLeft = AndroidUtilities.dp(9);
        } else {
            avatarLeft = getMeasuredWidth() - AndroidUtilities.dp(61);
        }

        avatarImage.setImageCoords(avatarLeft, AndroidUtilities.dp(10), AndroidUtilities.dp(52), AndroidUtilities.dp(52));

        double widthpx = 0;
        float left = 0;
        if (LocaleController.isRTL) {
            if (nameLayout.getLineCount() > 0) {
                left = nameLayout.getLineLeft(0);
                if (left == 0) {
                    widthpx = Math.ceil(nameLayout.getLineWidth(0));
                    if (widthpx < nameWidth) {
                        nameLeft += (nameWidth - widthpx);
                    }
                }
            }
            if (onlineLayout != null && onlineLayout.getLineCount() > 0) {
                left = onlineLayout.getLineLeft(0);
                if (left == 0) {
                    widthpx = Math.ceil(onlineLayout.getLineWidth(0));
                    if (widthpx < onlineWidth) {
                        onlineLeft += (onlineWidth - widthpx);
                    }
                }
            }
        } else {
            if (nameLayout.getLineCount() > 0) {
                left = nameLayout.getLineRight(0);
                if (left == nameWidth) {
                    widthpx = Math.ceil(nameLayout.getLineWidth(0));
                    if (widthpx < nameWidth) {
                        nameLeft -= (nameWidth - widthpx);
                    }
                }
            }
            if (onlineLayout != null && onlineLayout.getLineCount() > 0) {
                left = onlineLayout.getLineRight(0);
                if (left == onlineWidth) {
                    widthpx = Math.ceil(onlineLayout.getLineWidth(0));
                    if (widthpx < onlineWidth) {
                        onlineLeft -= (onlineWidth - widthpx);
                    }
                }
            }
        }
    }

    public void update(int mask) {
        TLRPC.FileLocation photo = null;
        if (user != null) {
            if (user.photo != null) {
                photo = user.photo.photo_small;
            }
            avatarDrawable.setInfo(user);
        } else if (chat != null) {
            if (chat.photo != null) {
                photo = chat.photo.photo_small;
            }
            avatarDrawable.setInfo(chat);
        } else {
            avatarDrawable.setInfo(0, null, null, false);
        }

        if (mask != 0) {
            boolean continueUpdate = false;
            if ((mask & MessagesController.UPDATE_MASK_AVATAR) != 0 && user != null || (mask & MessagesController.UPDATE_MASK_CHAT_AVATAR) != 0 && chat != null) {
                if (lastAvatar != null && photo == null || lastAvatar == null && photo != null && lastAvatar != null && photo != null && (lastAvatar.volume_id != photo.volume_id || lastAvatar.local_id != photo.local_id)) {
                    continueUpdate = true;
                }
            }
            if (!continueUpdate && (mask & MessagesController.UPDATE_MASK_STATUS) != 0 && user != null) {
                int newStatus = 0;
                if (user.status != null) {
                    newStatus = user.status.expires;
                }
                if (newStatus != lastStatus) {
                    continueUpdate = true;
                }
            }
            if (!continueUpdate && ((mask & MessagesController.UPDATE_MASK_NAME) != 0 && user != null) || (mask & MessagesController.UPDATE_MASK_CHAT_NAME) != 0 && chat != null) {
                String newName;
                if (user != null) {
                    newName = user.first_name + user.last_name;
                } else {
                    newName = chat.title;
                }
                if (!newName.equals(lastName)) {
                    continueUpdate = true;
                }
            }

            if (!continueUpdate) {
                return;
            }
        }

        if (user != null) {
            if (user.status != null) {
                lastStatus = user.status.expires;
            } else {
                lastStatus = 0;
            }
            lastName = user.first_name + user.last_name;
        } else if (chat != null) {
            lastName = chat.title;
        }


        lastAvatar = photo;
        avatarImage.setImage(photo, "50_50", avatarDrawable, false);

        if (getMeasuredWidth() != 0 || getMeasuredHeight() != 0) {
            buildLayout();
        } else {
            requestLayout();
        }
        postInvalidate();
    }

    @Override
    protected void onDraw(Canvas canvas) {
        if (user == null && chat == null && encryptedChat == null) {
            return;
        }

        if (useSeparator) {
            if (LocaleController.isRTL) {
                canvas.drawLine(0, getMeasuredHeight() - 1, getMeasuredWidth() - AndroidUtilities.dp(72), getMeasuredHeight() - 1, linePaint);
            } else {
                canvas.drawLine(AndroidUtilities.dp(72), getMeasuredHeight() - 1, getMeasuredWidth(), getMeasuredHeight() - 1, linePaint);
            }
        }

        if (drawAlpha != 1) {
            canvas.saveLayerAlpha(0, 0, canvas.getWidth(), canvas.getHeight(), (int)(255 * drawAlpha), Canvas.HAS_ALPHA_LAYER_SAVE_FLAG);
        }

        if (drawNameLock) {
            setDrawableBounds(lockDrawable, nameLockLeft, nameLockTop);
            lockDrawable.draw(canvas);
        } else if (drawNameGroup) {
            setDrawableBounds(groupDrawable, nameLockLeft, nameLockTop);
            groupDrawable.draw(canvas);
        } else if (drawNameBroadcast) {
            setDrawableBounds(broadcastDrawable, nameLockLeft, nameLockTop);
            broadcastDrawable.draw(canvas);
        }

        canvas.save();
        canvas.translate(nameLeft, nameTop);
        nameLayout.draw(canvas);
        canvas.restore();

        if (onlineLayout != null) {
            canvas.save();
            canvas.translate(onlineLeft, AndroidUtilities.dp(40));
            onlineLayout.draw(canvas);
            canvas.restore();
        }

        avatarImage.draw(canvas);
    }
}
