#!/bin/bash

# Colors
CSI="\\033["
CEND="${CSI}0m"
CRED="${CSI}1;31m"
CGREEN="${CSI}1;32m"

# Check if user is root
if [ "$(id -u)" != "0" ]; then
    echo "Error: You must be root to run this script, please use the root user to install the software."
    exit 1
fi

if [ ! -f $HOME/.acme.sh/acme.sh ]; then
    echo ""
    echo "installing acme.sh"
    echo ""
    wget -O -  https://get.acme.sh | sh
fi

# ACME validation choice

echo ""
echo "Welcome to the ee-acme-sh installation."
echo ""

BASHRC_EE_ACME_FIRST_RELEASE=$(grep "ee-acme" $HOME/.bashrc)
BASHRC_EE_ACME_LAST_RELEASE=$(grep "ee-acme.sh" $HOME/.bashrc)

# install ee-acme-cf or ee-acme-standalone
if [ -f $HOME/.ee-acme/ee-acme ] && [ -z "$BASHRC_EE_ACME_LAST_RELEASE" ]; then
    rm -rf $HOME/.ee-acme/*
    echo 'alias ee-acme="/root/.ee-acme/ee-acme.sh"' >> $HOME/.ee-acme/ee-acme
    wget -qO $HOME/.ee-acme/ee-acme.sh https://raw.githubusercontent.com/VirtuBox/ee-acme-sh/master/script/ee-acme.sh
    chmod +x $HOME/.ee-acme/ee-acme.sh
    elif [ -x $HOME/.ee-acme/ee-acme.sh ]; then
    rm $HOME/.ee-acme/ee-acme.sh
    wget -qO $HOME/.ee-acme/ee-acme.sh https://raw.githubusercontent.com/VirtuBox/ee-acme-sh/master/script/ee-acme.sh
    chmod +x $HOME/.ee-acme/ee-acme.sh
    elif [ ! -d  $HOME/.ee-acme ]; then
    mkdir -p $HOME/.ee-acme
    wget -qO $HOME/.ee-acme/ee-acme.sh https://raw.githubusercontent.com/VirtuBox/ee-acme-sh/master/script/ee-acme.sh
    chmod +x $HOME/.ee-acme/ee-acme.sh
    if [ -z "$BASHRC_EE_ACME_FIRST_RELEASE" ] && [ -z "$BASHRC_EE_ACME_LAST_RELEASE" ]; then
        echo 'alias ee-acme="/root/.ee-acme/ee-acme.sh"' >> $HOME/.bashrc
    fi
fi


# We're done !
echo ""
echo -e "     ${CGREEN}ee-acme-sh was installed successfully !${CEND}"
echo ""
echo "You need to run the following command to enable ee-acme-sh"
echo ""
echo -e "     ${CGREEN}source .bashrc${CEND}"
echo ""
    echo "Usage: ee-acme [type] <domain> [mode]"
    echo "  Types:"
    echo "       -d, --domain <domain_name> ..... for domain.tld + www.domain.tld"
    echo "       -s, --subdomain <subdomain_name> ....... for sub.domain.tld"
    echo "       -w, --wildcard <domain_name> ..... for domain.tld + *.domain.tld"
    echo "  Modes:"
    echo "       --standalone ..... acme challenge in standalone mode"
    echo "       --cf ..... acme challenge in dns mode with Cloudflare"
    echo "  Options:"
    echo "       --cert-only ... do not change nginx configuration, only display it"
    echo "       --admin ... secure easyengine backend with the certificate"
    echo "       -h, --help, help ... displays this help information"
    echo "Examples:"
    echo ""
    echo "domain.tld + www.domain.tld in standalone mode :"
    echo "    ee-acme -d domain.tld --standalone"
    echo ""
    echo "sub.domain.tld in dns mode with Cloudflare :"
    echo "    ee-acme -s sub.domain.tld --cf"
    echo ""
    echo "wildcard certificate for domain.tld in dns mode with Cloudflare :"
    echo "    ee-acme -w domain.tld --cf"
    echo ""
    echo "domain.tld + www.domain.tld in standalone mode without editing Nginx configuration :"
    echo "    ee-acme -d domain.tld --standalone --cert-only"
    echo ""
    echo "sub.domain.tld in standalone mode to secure easyengine backend on port 22222 :"
    echo "    ee-acme -s sub.domain.tld --standalone --admin"
    echo ""