#!/bin/bash

# This script is used to install the dropshell agent on a remote server.

SCRIPT_DIR=$(dirname "$0")

set -a

AGENT_PATH="$SCRIPT_DIR"

set +a


if [ -f "$SCRIPT_DIR/common.sh" ]; then
    source "$SCRIPT_DIR/common.sh"
else
    echo "Error: common.sh not found in $SCRIPT_DIR"
    exit 1
fi

_check_required_env_vars "AGENT_PATH"

function install_bb64() {    
    if ! curl -fsSL "https://gitea.jde.nz/public/bb64/releases/download/latest/install.sh" | \
            bash -s -- "$AGENT_PATH" "$(id -u "$USER"):$(id -g "$USER")"; then
        _die "Failed to install bb64. Curl returned non-zero exit code."
    fi

    # test if bb64 is installed
    if ! VER=$("$AGENT_PATH/bb64" -v); then
        _die "bb64 did not install correctly."
    fi

    echo "bb64 v$VER installed."
    return 0;
}

#-------------------------------------------------------------------------

# Check pre-requisites

# Check if curl is installed
if ! command -v curl &> /dev/null; then
    _die "Curl is not installed. Curl is required for agent installation."
fi

# check docker installation
if ! command -v docker &> /dev/null; then
    echo "Docker is not installed. Docker is required for agent installation."
    exit 1
fi

# check rsync installation
if ! command -v rsync &> /dev/null; then
    echo "Rsync is not installed. Rsync is required for agent installation."
    exit 1
fi


#-------------------------------------------------------------------------

echo "Installing dropshell agent..."

install_bb64

#-------------------------------------------------------------------------

# confirm we're in a good state.

required_files=(
    "$AGENT_PATH/bb64"
    "$AGENT_PATH/_allservicesstatus.sh"
    "$AGENT_PATH/common.sh"
    "$AGENT_PATH/datacommands.sh"
)

# check if all files exist
for file in "${required_files[@]}"; do
    if [ ! -f "$file" ]; then
        _die "$file does not exist. Please check the installation."
    fi
done

#-------------------------------------------------------------------------

echo "Completed dropshell agent installation."

#-------------------------------------------------------------------------

exit 0