# tk_Reverse_Findall.py

# tk_Reverse_Findall.py

import tkinter as tk
import re
import tkinter.font as tkFont

def copy_regex():
    regex = regex_label.cget("text")
    root.clipboard_append(regex)

def find_regex(event):
    input_string = input_string_entry.get()
    expected_results_string = expected_results_entry.get("1.0", "end-1c")
    actual_output_string = actual_output_entry.get("1.0", "end-1c")

    expected_results = expected_results_string.split("\n")
    actual_output = actual_output_string.split("\n")
    expected_results = [s.rstrip() for s in expected_results]

    possible_patterns = [
        r"\b\d+\b",
        r"\b[A-Z]\w*\b",
        r"\b\w*ing\b"
    ]

    for pattern in possible_patterns:
        matches = re.findall(pattern, input_string)
        if matches == expected_results:
            regex_label.config(text=pattern)
            matches_label.config(text=matches)
            break

def clear_all():
    input_string_entry.delete(0, "end")
    expected_results_entry.delete("1.0", "end")
    actual_output_entry.delete("1.0", "end")
    regex_label.config(text="")
    matches_label.config(text="")

root = tk.Tk()
root.title("Reverse Findall")

data_label = tk.Label()
input_string_label = tk.Label(text="Input String:")
input_string_entry = tk.Entry(root)
font = tk.font.Font(root, input_string_entry.cget("font"))
char_width = font.measure("M")
canvas_width = root.winfo_width()
entry_width = int(canvas_width / char_width) # ???
input_string_entry.config(width=214)

expected_results_label = tk.Label(text="Expected Results (Separated By Newlines):")
expected_results_entry = tk.Text(root)

actual_output_label = tk.Label(text="Actual Output (Separated By Newlines):")
actual_output_entry = tk.Text(root)

copy_regex_button = tk.Button(text="Copy Regex", command=copy_regex)
clear_button = tk.Button(text="Clear", command=clear_all)

regex_label = tk.Label(text="")
matches_label = tk.Label(text="")

input_string_label.grid(row=0, sticky="W")
input_string_entry.grid(row=1, columnspan=2)
expected_results_label.grid(row=2, column=0, sticky="W")
expected_results_entry.grid(row=3, column=0)
actual_output_label.grid(row=2, column=1, sticky="W")
actual_output_entry.grid(row=3, column=1)
copy_regex_button.grid(row=4, column=0, sticky="W")
clear_button.grid(row=4, column=1, sticky="W")
regex_label.grid(row=5, column=0, sticky="W")
matches_label.grid(row=5, column=1, sticky="W")

root.bind("<Key>", find_regex)

root.mainloop()