#!/bin/sh

# One-line install script for ecomscan (installs to ~/bin)
#
#   $ curl https://ecomscan.com | sh

# replaced \e with \033 for bash3 compat 
WHITE="\033[1;37;40m"
RED="\033[1;31;40m"
GREEN="\033[1;32;40m"
END="\033[0m"

arch=""
case $(uname -m) in
    i386|i686)  arch="386" ;;
    x86_64|amd64) arch="amd64" ;;
    arm64|aarch64) arch="arm64" ;;
    *) echo "Unsupported architecture" && exit 1;;
esac

os=""
case $(uname -s) in
    Darwin) os="darwin" ;;
    Linux) os="linux" ;;
    *) echo "Unsupported OS" && exit 1 ;;
esac


URL="https://ecomscan.com/downloads/${os}-${arch}/ecomscan"
DIR="$HOME/bin"

findWritableDir() {
    local dirs="$1"
    local found=""
    for dir in $dirs; do
        mkdir -p "$dir" 2>/dev/null
        if [ $? -eq 0 ] && [ -w "$dir" ]; then
            found="$dir"
            break
        fi
    done
    if [ -n "$found" ]; then
        echo "$found"
        return 0
    else
        return 1
    fi
}

dirsToCheck="$HOME/bin /mnt/shared/$LOGNAME/sansec /tmp/sansec"
DIR=$(findWritableDir "$dirsToCheck")
if [ $? -ne 0 ]; then
    printf "${RED}Could not find a writeable location! Install ecomscan manually.${END}\n"
    printf "See https://sansec.io/kb/about-ecomscan/usage\n\n"
    exit 1
fi

ECOM="$DIR/ecomscan"

printf "\n${WHITE}Welcome to eComscan, the advanced eCommerce security scanner${END}\n\n"

# Download the binary
printf "Downloading ecomscan to $ECOM ...\n"
curl -SfL -# "$URL" -o "$ECOM" || { echo "Failed to download ecomscan."; exit 1; }

# Set permissions
printf "Setting up permissions ...\n"
chmod 755 "$ECOM" || { echo "Failed to set up permissions for ecomscan."; exit 1; }

printf "Running ecomscan in interactive mode ...\n"
exec "$ECOM" interactive </dev/tty # reconnect stdin to tty for interactive mode