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#!/bin/sh

FIFO_PATH="${QUEUE_PATH:-/tmp/job_queue.txt}"

# Validate argument
if [ $# -eq 0 ] || [ -z "$1" ]; then
    echo "Usage: $0 \"message to publish\"" >&2
    exit 1
fi

MESSAGE="$1"

# Ensure the FIFO exists (create if missing)
touch "$FIFO_PATH" 2>/dev/null || {
    echo "[$(date '+%H:%M:%S')] ERROR: Failed to access queue file at $FIFO_PATH" >&2
    exit 1
}

# Publish message to the FIFO
if echo "$MESSAGE" >> "$FIFO_PATH" 2>/dev/null; then
    # Format and cap log line at 72 chars
    log_line="[$(date '+%H:%M:%S')] Published: ${MESSAGE}"
    if [ ${#log_line} -gt 72 ]; then
        printf "[%s] Published: %.45s...\n" "$(date '+%H:%M:%S')" "$MESSAGE"
    else
        echo "$log_line"
    fi
else
    echo "[$(date '+%H:%M:%S')] ERROR: Failed to write to FIFO at $FIFO_PATH" >&2
    exit 1
fi