#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Copyright (C) 2018 Andy Stewart
#
# Author:     Andy Stewart <lazycat.manatee@gmail.com>
# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from PyQt5.QtCore import Qt
from PyQt5.QtGui import QColor, QPixmap, QImage, QFont
from PyQt5 import QtGui, QtCore
from PyQt5.QtGui import QColor, QPixmap, QPainter
from PyQt5.QtWidgets import QApplication
from PyQt5.QtWidgets import QWidget, QLabel
from PyQt5.QtWidgets import QWidget, QVBoxLayout
import os
import qrcode
import sys
from core.buffer import Buffer

class AppBuffer(Buffer):
    def __init__(self, buffer_id, url):
        Buffer.__init__(self, buffer_id, url, False, QColor(0, 0, 0, 255))

        self.add_widget(AirShareWidget(url, QColor(0, 0, 0, 255)))

class Image(qrcode.image.base.BaseImage):
    def __init__(self, border, width, box_size):
        self.border = border
        self.width = width
        self.box_size = box_size
        size = (width + border * 2) * box_size
        self._image = QtGui.QImage(size, size, QtGui.QImage.Format_RGB16)
        self._image.fill(QtCore.Qt.white)

    def pixmap(self):
        return QtGui.QPixmap.fromImage(self._image)

    def drawrect(self, row, col):
        painter = QtGui.QPainter(self._image)
        painter.fillRect(
            (col + self.border) * self.box_size,
            (row + self.border) * self.box_size,
            self.box_size, self.box_size,
            QtCore.Qt.black)

    def save(self, stream, kind=None):
        pass

class AirShareWidget(QWidget):
    def __init__(self, url, color):
        QWidget.__init__(self)
        self.setStyleSheet("background-color: black");

        self.file_name_font = QFont()
        self.file_name_font.setPointSize(24)

        self.file_name_label = QLabel(self)
        self.file_name_label.setText(url)
        self.file_name_label.setFont(self.file_name_font)
        self.file_name_label.setAlignment(Qt.AlignCenter)
        self.file_name_label.setStyleSheet("color: #eee");

        self.qrcode_label = QLabel(self)

        self.notify_font = QFont()
        self.notify_font.setPointSize(12)
        self.notify_label = QLabel(self)
        self.notify_label.setText("Scan above QR to copy information")
        self.notify_label.setFont(self.notify_font)
        self.notify_label.setAlignment(Qt.AlignCenter)
        self.notify_label.setStyleSheet("color: #eee");

        layout = QVBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        layout.addStretch()
        layout.addWidget(self.qrcode_label, 0, Qt.AlignCenter)
        layout.addSpacing(20)
        layout.addWidget(self.file_name_label, 0, Qt.AlignCenter)
        layout.addSpacing(40)
        layout.addWidget(self.notify_label, 0, Qt.AlignCenter)
        layout.addStretch()

        self.qrcode_label.setPixmap(qrcode.make(url, image_factory=Image).pixmap())

if __name__ == "__main__":
    from PyQt5.QtWidgets import QApplication
    import sys
    import signal
    app = QApplication(sys.argv)

    test = AirShareWidget("/home/andy/rms/1.jpg", QColor(0, 0, 0, 255))
    test.show()

    signal.signal(signal.SIGINT, signal.SIG_DFL)
    sys.exit(app.exec_())