# Track On-Premise Jump Script
# This script is designed to be downloaded and executed directly via:
#   wget -O - https://safectory.com/top | bash -s -- [<branch>] [<archive>] [<nexus_repository>]
#   (Note: Use 'bash -s --' to pass optional parameters to the script!)
# Named as .txt file for WordPress upload compatibility.

TAR_GZ_URL="https://nexus.beamzone.net:8443/repository/safectory_on_premise/install_track_on_premise.tar.gz"

apt-get -y install curl

# Helper function to save config option
set_config_option() {
    local key="$1"
    local value="$2"
    local config_file="$CONFIG_FILE"

    # Create config file if it doesn't exist
    if [ ! -f "$config_file" ]; then
        touch "$config_file"
        chmod 600 "$config_file"
    fi

    # Check if the key already exists in the config file (then update, otherwise append)
    if grep -q "^${key}=" "$config_file"; then
        sed -i "s|^${key}=.*|${key}=\"${value}\"|" "$config_file"
    else
        echo "${key}=\"${value}\"" >> "$config_file"
    fi
}

# Try to reuse Nexus credentials from existing config file
CONFIG_FILE="/etc/track.config"
if [ -f "$CONFIG_FILE" ]; then
    username="$(grep NEXUS_USER $CONFIG_FILE 2>/dev/null | cut -d\" -f2)"
    password="$(grep NEXUS_PASS $CONFIG_FILE 2>/dev/null | cut -d\" -f2)"
fi

# Track if credentials are new or changed
new_credentials=false

# Credential validation loop - retry until successful download
while true; do
    if [ -z "$username" ]; then
        read -p "Please enter the Nexus username: " username </dev/tty
        new_credentials=true
    fi

    if [ -z "$password" ]; then
        read -s -p "Please enter the Nexus password: " password </dev/tty
        echo
        new_credentials=true
    fi

    echo "Downloading installation files..."
    if curl -f -u "$username:$password" -L -o /root/install_track_on_premise.tar.gz "$TAR_GZ_URL"; then
        echo "Download successful."

        # Save validated credentials to config file
        if [ "$new_credentials" = true ]; then
            echo "Saving credentials to $CONFIG_FILE..."
            set_config_option "NEXUS_USER" "$username"
            set_config_option "NEXUS_PASS" "$password"
        fi

        break
    else
        echo "Download failed. Please check your credentials and try again."
        username=""
        password=""
        new_credentials=true
    fi
done

tar -xzvf /root/install_track_on_premise.tar.gz -C /

cd /root
chmod +x install_track_on_premise.sh
bash install_track_on_premise.sh "$@" </dev/tty