#!/usr/bin/env bash

# This script creates a NATS stream using the nats CLI tool. 
# It reads the stream name, password, and subject from an .env file.

ENV_FILE=".env"

if [ ! -f "$ENV_FILE" ]; then
    echo ".env file not found at $ENV_FILE"
    exit 1
fi

. "$ENV_FILE"

if [ -z "$NATS_STREAM" ]; then
    echo "NATS_STREAM is not set in .env file"
    exit 1
fi

if [ -z "$NATS_PASSWORD" ]; then
    echo "NATS_PASSWORD is not set in .env file"
    exit 1
fi

if [ -z "$NATS_SUBJECT" ]; then
    echo "NATS_SUBJECT is not set in .env file"
    exit 1
fi

nats \
    stream add "$NATS_STREAM" \
    --user ruser --password $NATS_PASSWORD \
    --subjects NATS_SUBJECT1 \
    --subjects NATS_SUBJECT2 \
    --subjects NATS_SUBJECT3 \
    --storage file \
    --dupe-window="2m" \
    --replicas=1 \
    --max-msgs-per-subject=-1 \
    --no-allow-rollup \
    --no-deny-delete \
    --no-deny-purge \
    --discard=old \
    --max-msgs=-1 \
    --max-bytes=-1 \
    --max-msg-size=-1 \
    --max-age=1h \
    --retention limits