import math

from ezdxf.enums import TextEntityAlignment

import core
from drawer.BaseDrawer import VentGraphDrawer, BaseDrawer
from entity.primitives import TunText


class TunTextDrawer(BaseDrawer):

    def initialize_data(self):
        pass

    def draw_agg(self):
        assert isinstance(self.obj, TunText)
        if self.obj.middle_line.agg_line[0][0] < self.obj.middle_line.agg_line[1][0]:

            route = core.calculate_angle_with_x_axis(self.obj.middle_line.agg_line[0], self.obj.middle_line.agg_line[1])
            from_point, to_point = core.parallel_line(self.obj.middle_line.agg_line[0],
                                                      self.obj.middle_line.agg_line[1],
                                                      1.7 * self.obj.width)
        else:
            route = core.calculate_angle_with_x_axis(self.obj.middle_line.agg_line[1], self.obj.middle_line.agg_line[0])
            from_point, to_point = core.parallel_line(self.obj.middle_line.agg_line[1],
                                                      self.obj.middle_line.agg_line[0],
                                                      1.7 * self.obj.width)
        angle = math.degrees(route)

        text_center = core.find_point_on_line(from_point, to_point, 1 / 2)

        dxfattribs = {
            'insert': text_center, 'style': 'msyh',
            "layer": f"图层{self.obj.layer_id}"}

        text = self.msp.add_text(text=self.obj.name, rotation=angle, dxfattribs=dxfattribs, height=self.obj.width).set_placement(
            text_center,
            align=TextEntityAlignment.CENTER)

        text.rgb = self.obj.color

    def draw_div(self):

        assert isinstance(self.obj, TunText)
        if self.obj.middle_line.div_line[0][0] < self.obj.middle_line.div_line[1][0]:
            route = core.calculate_angle_with_x_axis(self.obj.middle_line.div_line[0], self.obj.middle_line.div_line[1])

            from_point, to_point = core.parallel_line(self.obj.middle_line.div_line[0],
                                                      self.obj.middle_line.div_line[1],
                                                      1.7 * self.obj.width)
        else:
            route = core.calculate_angle_with_x_axis(self.obj.middle_line.div_line[1], self.obj.middle_line.div_line[0])

            from_point, to_point = core.parallel_line(self.obj.middle_line.div_line[1],
                                                      self.obj.middle_line.div_line[0],
                                                      1.7 * self.obj.width)
        angle = math.degrees(route)

        text_center = core.find_point_on_line(from_point, to_point, 1 / 2)

        dxfattribs = {
            'insert': text_center, 'style': 'msyh',
            "layer": f"图层{self.obj.layer_id}"}

        text = self.msp.add_text(text=self.obj.name, rotation=angle, dxfattribs=dxfattribs, height=self.obj.width).set_placement(
            text_center,
            align=TextEntityAlignment.CENTER)

        text.rgb = self.obj.color
#


# def initialize_data(self):
#     assert isinstance(self.obj,TunText)
#
#
# def draw_obj(self, center, route):
#     assert isinstance(self.obj, TunText)
#     if self.obj.middle_line.agg_line[0][0] > self.obj.middle_line.agg_line[1][0]:
#         route = core.calculate_angle_with_x_axis(self.from_point, self.to_point)
#     else:
#         route = core.calculate_angle_with_x_axis(self.to_point, self.from_point)
#     angle = math.degrees(route)
#     from_point, to_point = core.parallel_line(self.from_point, self.to_point, 1.7 * self.width)
#     tun_center = core.find_point_on_line(from_point, to_point, 1 / 2)
#     dxfattribs = {
#         'insert': tun_center, 'style': 'msyh', 'color': core.get_color_by_layer(self.layer),
#         "layer": f"图层{self.layer}"}
#     self.msp.add_text(text=self.text, rotation=angle, dxfattribs=dxfattribs, height=5).set_placement(tun_center,
#                                                                                                      align=TextEntityAlignment.CENTER)