setup.sh

#!/usr/bin/env bash

# Define some color variables
PURPLE='\033[1m\033[38;5;140m'
GREEN='\033[1m\033[32m'
PEACH='\e[1;38;2;255;204;153m'
NC='\033[0m' # No Color

# Go back to main menu
main_menu() {
    chmod +x manager.sh
    ./manager.sh
}

# Get the name of the current shell
shell=$(basename "$SHELL")

# Get the current working directory of the script
pwd=$(pwd)

# Show heading in middle
clear
echo ""
COLUMNS=$(tput cols)
t1="=========================="
t2="Linux Apps Manager Setup"
printf "${PURPLE}%*s\n${NC}" $(((${#t1} + $COLUMNS) / 2)) "$t1"
printf "${PURPLE}%*s\n${NC}" $(((${#t2} + $COLUMNS) / 2)) "$t2"
printf "${PURPLE}%*s\n${NC}" $(((${#t1} + $COLUMNS) / 2)) "$t1"
echo ""

# Ask user what option they want to choose
echo -e "${PEACH}Select Your Choice:${NC}"
echo "1. Install Linux Apps Manager In System"
echo "2. Uninstall Linux Apps Manager From System"
echo "3. Go Back To Main Menu"
read -p "Enter your choice: " choice

if [ $choice -eq 1 ]; then
    # This script adds the lam function definition to the appropriate shell configuration file

    # Check if the configuration file exists
    if [ -f ~/."$shell"rc ]; then
        # Check if the lam function is already defined in the file
        if grep -q "lam ()" ~/."$shell"rc; then
            # Delete the existing lam function
            sed -i '/lam ()/,/^}/d' ~/."$shell"rc
        fi

        # Append the function definition to the end of the file
        tail -c1 ~/."$shell"rc | read -r _ || echo "" >>~/."$shell"rc && cat >>~/."$shell"rc <<EOF
lam () {
  # Go to the saved directory
  cd "$pwd"

  # Check if manager.sh exists
  if [ -f manager.sh ]; then
    chmod +x manager.sh && ./manager.sh
  else
    echo "Linux Apps Manager is not available in your system"
  fi
}
EOF
        echo -e "${GREEN}Linux Apps Manager has been successfully installed on your system.${NC}"
        echo -e "${PURPLE}To run Linux Apps Manager, type 'lam' in terminal.${NC}"
        echo -e "${PURPLE}Don't delete the directory where you cloned the repository.${NC}"
        echo ""
        read -n 1 -s -r -p "Press any key to continue..."
        echo
        clear
        cd ~
        $shell

    else
        # Print an error message & make ."$shell"rc file
        echo -e "${PURPLE}."$shell"rc file not found.${NC}"
        echo -e "${GREEN}Fixing this issue.${NC}"
        sleep 3
        touch ~/."$shell"rc
        chmod +x alias.sh && ./alias.sh
    fi

elif [ $choice -eq 2 ]; then
    # Check if the lam function is defined in the .shellrc file
    if grep -q "lam ()" ~/."$shell"rc; then
        # Delete function and directory
        sed -i '/lam ()/,/^}/d' ~/."$shell"rc
        rm -rf "$pwd"
        if [ $? -eq 0 ]; then # check the exit status of rm command
            echo "Uninstalled successfully."
        else
            echo "Failed to uninstall!"
        fi
    else
        echo "Linux Apps Manager isn't available in your system"
    fi

elif [ $choice -eq 3 ]; then
    main_menu
fi