#!/usr/bin/env bash

# Function to prompt user for confirmation
prompt_confirmation() {
    while true; do
        read -r -p "Would you like to uninstall Gitea? This is not reversible. [Y/n] " input

        case $input in
            [yY][eE][sS]|[yY])
                return 0
                ;;
            [nN][oO]|[nN])
                return 1
                ;;
            *)
                echo "That wasn't an option..."
                ;;
        esac
    done
}

# Function to perform uninstallation
uninstall_gitea() {
    echo "Stopping Gitea service..."
    sudo systemctl stop gitea

    echo "Disabling Gitea service..."
    sudo systemctl disable gitea

    echo "Removing Gitea service file..."
    sudo rm -rf /etc/systemd/system/gitea.service

    echo "Backing up files..."
    timestamp=$(date +"%Y%m%d_%H%M%S")
    tar -cvzf "gitea_backup_${timestamp}.tar.gz" /var/lib/gitea/ /etc/gitea || { echo "Failed to backup files. Exiting."; exit 1; }

    echo "Removing Gitea user and home directory..."
    sudo userdel -r git || { echo "Failed to delete Gitea user. Exiting."; exit 1; }

    echo "Removing Gitea binary..."
    sudo rm -rf /usr/local/bin/gitea

    echo "Cleaning up Gitea data and configuration..."
    sudo rm -rf /var/lib/gitea/* /etc/gitea

    echo "Removing firewall rule for port 3000..."
    sudo ufw delete allow 3000

    echo "Gitea has been uninstalled, and all files have been backed up."
}

# Main script
trap 'exit 130' INT

if prompt_confirmation; then
    uninstall_gitea
else
    echo "Gitea uninstallation aborted."
fi

exit 0