#!/usr/bin/env python
#
# Electrum - lightweight Fujicoin client
# Copyright (C) 2012 thomasv@gitorious
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import re
from decimal import Decimal

from PyQt5.QtGui import QFontMetrics

from electrum import bitcoin
from electrum.util import bfh
from electrum.transaction import TxOutput, push_script
from electrum.bitcoin import opcodes
from electrum.logging import Logger

from .qrtextedit import ScanQRTextEdit
from .completion_text_edit import CompletionTextEdit
from . import util

RE_ALIAS = r'(.*?)\s*\<([0-9A-Za-z]{1,})\>'

frozen_style = "QWidget { background-color:none; border:none;}"
normal_style = "QPlainTextEdit { }"


class PayToEdit(CompletionTextEdit, ScanQRTextEdit, Logger):

    def __init__(self, win):
        CompletionTextEdit.__init__(self)
        ScanQRTextEdit.__init__(self)
        Logger.__init__(self)
        self.win = win
        self.amount_edit = win.amount_e
        self.document().contentsChanged.connect(self.update_size)
        self.heightMin = 0
        self.heightMax = 150