# -*- coding: utf-8 -*-
"""

"""

from artv2.third_party.Qt import QtWidgets, QtGui, QtCore


class ARTv2GraphicNode(QtWidgets.QGraphicsItem):

    # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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    def __init__(self, node, parent=None):

        super(ARTv2GraphicNode, self).__init__(parent)

        self.node = node
        self._title_color = QtCore.Qt.white
        self._title_font = QtGui.QFont("Ubuntu", 10)

        self.width = 180.0
        self.height = 240.0
        self._outline_size = 10.0
        self._pen_default = QtGui.QPen(QtGui.QColor("#7f000000"))
        self._pen_selected = QtGui.QPen(QtGui.QColor("#FFFFA637"))
        self._title_height = 24.0
        self._brush_title = QtGui.QBrush(QtGui.QColor("#FF313131"))
        self._brush_background = QtGui.QBrush(QtGui.QColor("#E3212121"))
        self._padding = 4.0

        self._init_title()
        self.title = self.node.title
        self._init_interface()

    # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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    def boundingRect(self):

        return QtCore.QRectF(0.0,
                             0.0,
                             self.width,
                             self.height).normalized()

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    def paint(self, painter, style, widget=None):

        # paint title
        node_title = QtGui.QPainterPath()
        node_title.setFillRule(QtCore.Qt.WindingFill)
        node_title.addRoundedRect(0.0,
                                  0.0,
                                  self.width,
                                  self._title_height,
                                  self._outline_size,
                                  self._outline_size)
        node_title.addRect(0.0,
                           self._title_height - self._outline_size,
                           self._outline_size,
                           self._outline_size)
        node_title.addRect(self.width - self._outline_size,
                           self._title_height - self._outline_size,
                           self._outline_size,
                           self._outline_size)
        painter.setPen(QtCore.Qt.NoPen)
        painter.setBrush(self._brush_title)
        painter.drawPath(node_title.simplified())

        # paint content
        node_content = QtGui.QPainterPath()
        node_content.setFillRule(QtCore.Qt.WindingFill)
        node_content.addRoundedRect(0.0,
                                    self._title_height,
                                    self.width,
                                    self.height - self._title_height,
                                    self._outline_size,
                                    self._outline_size)
        node_content.addRect(0.0,
                             self._title_height,
                             self._outline_size,
                             self._outline_size)
        node_content.addRect(self.width - self._outline_size,
                             self._title_height,
                             self._outline_size,
                             self._outline_size)
        painter.setPen(QtCore.Qt.NoPen)
        painter.setBrush(self._brush_background)
        painter.drawPath(node_content.simplified())

        # paint outline
        node_outline = QtGui.QPainterPath()
        node_outline.addRoundedRect(0.0, 0.0, self.width, self.height, self._outline_size, self._outline_size)
        painter.setPen(self._pen_default if not self.isSelected() else self._pen_selected)
        painter.setBrush(QtCore.Qt.NoBrush)
        painter.drawPath(node_outline.simplified())

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    def _init_title(self):

        self.title_item = QtWidgets.QGraphicsTextItem(self)
        self.title_item.setDefaultTextColor(self._title_color)
        self.title_item.setFont(self._title_font)
        self.title_item.setPos(self._padding, 0)
        self.title_item.setTextWidth(self.width - (2 * self._padding))

    # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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    def _init_interface(self):

        self.setFlag(QtWidgets.QGraphicsItem.ItemIsSelectable)
        self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable)

    # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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    @property
    def title(self):

        return self._title

    @title.setter
    def title(self, new_title):
        self._title = new_title
        self.title_item.setPlainText(self._title)