#!/bin/bash -e

SCRIPT_URL="https://file.up9cloud.net/source-env-json.sh"

if [ -z "$1" ]; then
	echo "Usage:"
	echo
	echo "set -- path/to/env.json"
	echo "source /dev/stdin <<<\"\$(curl -sSL $SCRIPT_URL)\""
	exit 1
fi

ENV_FILE="$1"

# Check if the environment variable file exists and is readable.
if [ ! -f "$ENV_FILE" ]; then
	echo "Error: Secrets JSON file not found at $ENV_FILE" >&2
	exit 1
fi

# Check if jq is installed. jq is required for this script.
if ! command -v jq &> /dev/null
then
	echo "Error: 'jq' is not installed. Please install it to run this script." >&2
	exit 1
fi

# Read the JSON file and iterate through its keys.
# Export each key-value pair as an environment variable.
# This approach works when the script is sourced, not subshelled.
eval "$(
  jq -r 'to_entries[] | @sh "export \(.key)=\(.value)"' "$ENV_FILE"
)"