"""
writen by shenjackyuanjie
mail: 3695888@qq.com

file name stand for : Physics calculation
"""

import libs
import math

from libs.tools import F_Mi, F_Mu, F_A, F_D


def S_C_float_check(SC):  # stand for Scientific notation's float check
    """
    formats:
    SC list format:docs.basic_config.json:basic_number"""
    while SC[0] >= 10:
        SC[0] = F_D(SC[0], 10)
        SC[1] += 1
    while SC[0] < 1:
        SC[0] = F_Mu(SC[0], 10)
        SC[1] -= 1


def S_N_M(*SN):  # stand for Scientific notation multiple
    """
    formats:
    A & B & C list format:docs.basic_config.json:basic_number"""
    if len(SN) < 2:
        raise TypeError("it need more than 2!")
    elif len(SN) == 2:
        return __S_N_M(SN[0], SN[1])
    else:
        R = __S_N_M(SN[0], SN[1])
        for A in SN[2:]:
            R = __S_N_M(R, A)
    return R


def __S_N_M(A, B):
    """
    formats:
    A & B list format:docs.basic_config.json:basic_number"""
    R = [F_Mu(A[0], B[0]), A[1] + B[1]]
    S_C_float_check(R)
    Unit1, Unit2 = A[2] + B[2], A[3] + B[3]
    if Unit1 == None:
        Unit1 = []
    libs.tools.D_C(Unit1, Unit2)
    R += [Unit1, Unit2]
    return R


def S_N_D(A, B):  # stand for Scientific notation divided
    """
    formats:
    A & B list format:docs.basic_config:basic_number"""
    R = [F_D(A[0], B[0]), A[1] - B[1]]
    S_C_float_check(R)
    Unit1, Unit2 = A[2] + B[3], A[3] + B[2]
    if Unit1 == None:
        Unit1 = []
    libs.tools.D_C(Unit1, Unit2)
    R += [Unit1, Unit2]
    return R


def G_C(M, m, R, G): #stand for gravity calculation
    """
    formats:
    M : ship's mass
    m : planet's mass
    R : distance to the planet
    G : Gravitational constant
    M & m & R format: docs.basic_config:basic_number
    """
    g = libs.config.basic_number()
    A = S_N_M(M, m, G)
    B = S_N_D(A, S_N_M(R, R))
    return B