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

import logging

from functools import reduce

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

from PyQt5.QtCore import (
    QCoreApplication
)

_translate = QCoreApplication.translate

logger = logging.getLogger()

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

        self._display_current = display_current

        self.line_kp_zmin = None
        self.line_kp_sl = []

    @timer
    def draw(self):
        self.canvas.axes.cla()
        self.canvas.axes.grid(color='grey', linestyle='--', linewidth=0.5)

        if self.data is None:
            return

        self.canvas.axes.set_xlabel(
            _translate("MainWindow_reach", "X (m)"),
            color='green', fontsize=12
        )
        self.canvas.axes.set_ylabel(
            _translate("MainWindow_reach", "Height (m)"),
            color='green', fontsize=12
        )

        x = [0,1]
        z = [0,0]
        sl = self.data.height()
        names = ["fond"] + self.data.names()

        self.canvas.axes.set_xlim(
            left = min(x), right = max(x)
        )

        lsl = []
        for i in range(len(sl)):
            cur = []
            for _ in x:
                cur.append(sl[i])
            lsl.append(cur)

        # Compute sediment layer in function to point z
        z_sl = reduce(
            lambda acc, v: acc + [
                list(
                    map(lambda x, y: y - x, v, acc[-1])
                )
            ],
            lsl,
            [z]
        )

        for i, zsl in enumerate(z_sl):
            self.line_kp_sl.append(None)
            self.line_kp_sl[i], = self.canvas.axes.plot(
                x, zsl,
                label=names[i],
                linestyle="solid" if i == 0 else "--",
                lw=1.8,
                color='grey' if i == 0 else None
            )
            self.canvas.axes.text(x[0] + 0.01, zsl[0] + 0.01, f'{names[i]}')

        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

        if ind is None:
            logger.info("TODO: Update")

            self.canvas.axes.autoscale_view(True, True, True)
            self.canvas.figure.canvas.draw_idle()