# import re
#
# def add_spaces(expression):
#     # 匹配运算符的正则表达式
#     pattern = r'([+\-*/])'
#     # 替换匹配到的运算符
#     new_expression = re.sub(pattern, r' \1 ', expression)
#     return new_expression
#
# # 示例用法
# expression = 'a+b^c-c*d/e'
# new_expression = add_spaces(expression)
# print(new_expression)

import re
from formula import *

def remove_inner_spaces(expression):
    # 匹配括号内的空格的正则表达式
    pattern = r'\((.*?)\)'
    # 替换匹配到的括号内的空格
    new_expression = re.sub(pattern, lambda match: '(' + match.group(1).replace(' ', '') + ')', expression)
    return new_expression

def add_spaces(expression):
    # 匹配运算符的正则表达式
    pattern = r'([+\-*/])'
    # 替换匹配到的运算符
    new_expression = re.sub(pattern, r' \1 ', expression)
    return new_expression
# 示例用法
expression = 'a+b^c-c*d/e+sin(x+y)+e^(0.2*x)'
expression = add_spaces(expression)
new_expression = remove_inner_spaces(expression)
list_expression = new_expression.split(' ')
conforms = ['e^', 'log', 'sin', 'cos', 'tan', '^']
new_list = []
# result2 = ' '.join([word for word in expression.split() if not any(word.startswith(s) for s in conforms)])
# print(result2)
# letters = [char for char in result2 if char.isalpha()]
# print(letters)
for expres in list_expression:
    new_list.append(expres)
    for i in range(6):
        if conforms[i] in expres:
            index = list_expression.index(expres)
            if i == 0:
                list_expression[index] = convert_e(expres)
            elif i==1:
                list_expression[index] = convert_log(expres)
            elif i==5:
                list_expression[index] = convert_x(expres)
            else:
                list_expression[index] = convert_trigonometric(expres)
            new_list[-1] = new_list[-1].replace(conforms[i], "")
            break
new_list = [char for item in new_list for char in item if char.isalpha()]
parameter =''
for item in new_list:
    if item not in parameter:
        parameter = parameter+item+','
print(parameter[:-1])
for item in new_list:
    if item not in parameter:
        parameter = parameter+item+','
str_expression = ''
for item in list_expression:
    str_expression = str_expression + item
print(str_expression[:-1])
print(list_expression)