jlogs

#!/bin/bash

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Parse service name and command
if [[ $# -eq 0 ]]; then
    # No arguments - show help
    echo "❗ Service name is required."
    echo "Use 'jlogs help' to see usage."
    exit 1
elif [[ $# -eq 1 ]]; then
    case "$1" in
        "help"|"h"|"--help")
            # Show help without requiring service name
            SERVICE_NAME=""
            COMMAND="help"
            ;;
        "follow"|"f"|"errors"|"e"|"today"|"t"|"table"|"table-follow")
            echo "❗ Service name is required."
            echo "Use 'jlogs help' to see usage."
            exit 1
            ;;
        *)
            SERVICE_NAME="$1"
            COMMAND=""
            ;;
    esac
else
    SERVICE_NAME="$1"
    COMMAND="$2"
fi

case "${COMMAND:-}" in
    "follow"|"f")
        echo "🔄 Following $SERVICE_NAME logs (Ctrl+C to exit)..."
        journalctl -u "$SERVICE_NAME" -f | ccze -A
        ;;
    "errors"|"e")
        echo "❌ Showing errors and warnings for $SERVICE_NAME..."
        journalctl -u "$SERVICE_NAME" --since "1 hour ago" | grep -E "(ERROR|WARNING)" | ccze -A
        ;;
    "today"|"t")
        echo "📅 Showing today's logs for $SERVICE_NAME..."
        journalctl -u "$SERVICE_NAME" --since today | ccze -A
        ;;
    "table")
        echo "📊 Table format (last hour) for $SERVICE_NAME..."
        "$SCRIPT_DIR/jlogfmt" -h 1 -s "$SERVICE_NAME"
        ;;
    "table-follow")
        echo "📊 Table format (following) for $SERVICE_NAME..."
        "$SCRIPT_DIR/jlogfmt" -f -s "$SERVICE_NAME"
        ;;
    "help"|"h"|"--help")
        echo "🔍 jlogs - JSON Log Viewer Commands:"
        echo ""
        echo "Usage: jlogs <service_name> [command]"
        echo ""
        echo "Commands:"
        echo "  follow           Follow logs in real-time with colors"
        echo "  errors           Show only errors and warnings"
        echo "  today            Show today's logs"
        echo "  table            Show last hour in table format (jlogfmt)"
        echo "  table-follow     Follow logs in table format (jlogfmt)"
        echo "  help             Show this help message"
        echo ""
        echo "Examples:"
        echo "  jlogs nginx                # Show last hour of nginx logs"
        echo "  jlogs nginx follow         # Follow nginx logs"
        echo "  jlogs nginx errors         # Show nginx errors"
        echo "  jlogs nginx table          # Beautiful table format with jlogfmt"
        echo ""
        echo "Advanced: Use ./jlogfmt for more options"
        ;;
    *)
        echo "📄 Showing last hour of logs for $SERVICE_NAME..."
        journalctl -u "$SERVICE_NAME" --since "1 hour ago" | ccze -A
        ;;
esac