#!/bin/bash

compare_shells() {
	minishell_output=$(../minishell -c "$1" 2>&1)
	minishell_exit_code=$?

	bash_output=$(bash -c "$1" 2>&1 | sed 's/ line 1://g')
	bash_exit_code=$?

	echo -e "\e[33m$1\e[0m"
	echo "==================================="


	if [ "$minishell_output" != "$bash_output" ]; then
		paste <(echo -e "Minishell:\n$minishell_output" | cat -e) <(echo -e "Bash:\n$bash_output"  | cat -e) | column -t -s $'\t'
	else
		echo -e "\e[32mstdout: Ok!\e[0m"
	fi

	if [ $minishell_exit_code -ne $bash_exit_code ]; then
		echo "Minishell exit code: $minishell_exit_code"
		echo "Bash exit code:      $bash_exit_code"
		echo "Exit codes do not match."
	else
		echo -e "\e[32mexit code: Ok!\e[0m"
	fi
}

if [ -z "$1" ]; then
	echo "Usage: $0 <file>"
	exit 1
fi

while IFS= read -r line; do
	compare_shells "$line"
done < "$1"