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

from tools import timer, flatten
from View.Plot.APlot import APlot

from PyQt5.QtCore import (
    QCoreApplication
)

_translate = QCoreApplication.translate

class PlotStricklers(APlot):
    def __init__(self, canvas=None, data=None, toolbar=None):
        super(PlotStricklers, self).__init__(
            canvas=canvas,
            data=data,
            toolbar=toolbar
        )

    def draw_frictions(self, frictions, color="r"):
        lst = frictions
        lst.sort(key = lambda s: s.begin_kp)

        coef = flatten(
            map(
                lambda s: [s.begin_strickler, s.end_strickler],
                lst
            )
        )

        kp = flatten(
            map(
                lambda s: [s.begin_kp, s.end_kp],
                lst
            )
        )

        coef_minor = list(map(lambda s: s.minor, coef))
        coef_medium = list(map(lambda s: s.medium, coef))

        self.line_kp_elevation = self.canvas.axes.plot(
            kp, coef_minor,
            color=color, lw=1.
        )

        self.line_kp_elevation = self.canvas.axes.plot(
            kp, coef_medium,
            color=color, lw=1.
        )


    @timer
    def draw(self, highlight=None):
        self.canvas.axes.cla()
        self.canvas.axes.grid(color='grey', linestyle='--', linewidth=0.5)

        if self.data is None:
            return

        self.canvas.axes.set_ylabel(
            _translate("MainWindow_reach", "Stricklers"),
            color='green', fontsize=11
        )
        self.canvas.axes.set_xlabel(
            _translate("MainWindow_reach", "Kp (m)"),
            color='green', fontsize=11
        )

        kp = self.data.reach.get_kp()
        self.canvas.axes.set_xlim(
            left = min(kp), right = max(kp)
        )

        frictions = self.data.frictions
        if len(frictions) != 0:
            lst = frictions.frictions
            self.draw_frictions(lst)

            # HightLight
            kp_min, kp_max = (-1, -1)
            if highlight is not None:
                kp_min, kp_max = highlight

                lst = list(
                    filter(
                        lambda s: (s.begin_kp == kp_min and
                                   s.end_kp == kp_max),
                        frictions.frictions
                    )
                )
                self.draw_frictions(lst, color="b")

        self.canvas.figure.tight_layout()
        self.canvas.figure.canvas.draw_idle()
        if self.toolbar is not None:
            self.toolbar.update()

        # self._init = True

    @timer
    def update(self, ind=None):
        if self._init == False:
            self.draw()
            return