#!/bin/sh
# 日志管理脚本

LOGFILE="/var/log/drcom-login.log"
PIDFILE="/var/run/drcom-login.pid"

case "$1" in
    view)
        if [ -f "$LOGFILE" ]; then
            tail -n 100 "$LOGFILE"
        else
            echo "[INFO] Log file not found: $LOGFILE"
        fi
        ;;

    follow)
        if [ -f "$LOGFILE" ]; then
            tail -f "$LOGFILE"
        else
            echo "[INFO] Log file not found: $LOGFILE"
        fi
        ;;

    clear)
        if [ -f "$LOGFILE" ]; then
            > "$LOGFILE"
            echo "[OK] Log file cleared."
        else
            echo "[INFO] Log file not found: $LOGFILE"
        fi
        ;;

    error)
        if [ -f "$LOGFILE" ]; then
            grep -i "error\|failed" "$LOGFILE" | tail -n 50
        else
            echo "[INFO] Log file not found: $LOGFILE"
        fi
        ;;

    success)
        if [ -f "$LOGFILE" ]; then
            grep -i "success\|✅" "$LOGFILE" | tail -n 50
        else
            echo "[INFO] Log file not found: $LOGFILE"
        fi
        ;;

    *)
        echo "Usage: $0 {view|follow|clear|error|success}"
        echo ""
        echo "Commands:"
        echo "  view    - View last 100 lines of log"
        echo "  follow  - Follow log in real-time"
        echo "  clear   - Clear log file"
        echo "  error   - Show only error messages"
        echo "  success - Show only success messages"
        exit 1
        ;;
esac

exit 0