#!python
#
# 2021  Zhengyu Peng
# Website: https://zpeng.me
#
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import numpy as np


class Leg:
    def __init__(self,
                 id,
                 junction_servos,
                 correction=[0, 0, 0],
                 constraint=[[35, 145], [10, 165], [30, 150]]):
        self.id = id
        self.junction_servos = junction_servos
        self.correction = correction
        self.constraint = constraint

    def set_angle(self, junction, angle):
        set_angle = np.min(
            [angle+self.correction[junction], self.constraint[junction][1]+self.correction[junction], 180])
        set_angle = np.max(
            [set_angle, self.constraint[junction][0]+self.correction[junction], 0])
        self.junction_servos[junction].angle = set_angle

    def set_raw_angle(self, junction, angle):
        self.junction_servos[junction].angle = angle

    def move_junctions(self, angles):
        self.set_angle(0, angles[0])
        self.set_angle(1, angles[1])
        self.set_angle(2, angles[2])

    def reset(self, calibrated=False):
        if calibrated:
            self.set_angle(0, 90)
            self.set_angle(1, 90)
            self.set_angle(2, 90)
        else:
            self.set_raw_angle(0, 90)
            self.set_raw_angle(1, 90)
            self.set_raw_angle(2, 90)
