waggertron · March 17, 2026 10:26
diff --git a/weyflix-diagnose.sh b/weyflix-diagnose.sh
 #!/bin/bash
 #
 # Weyflix Connection Diagnostic (Mac / Linux)
 #
 # HOW TO RUN:
 #   1. Open Terminal:
 #      - Mac: Press Command+Space, type "terminal", press Enter
 #      - Linux: Press Ctrl+Alt+T
 #   2. Drag this file into the Terminal window (or type the path)
 #   3. Press Enter
 #   4. If you get "Permission denied", run: chmod +x weyflix-diagnose.sh
 #      then try again
 #   5. Wait for it to finish
 #   6. The results will be saved to a file on your Desktop
 #   7. Send that file back so we can diagnose your issue
 #

 # ── CONFIG ──
 PLEX_PORT=32400

 # Config file for saving IP across runs
 SAVED_IP_FILE="$HOME/.weyflix-server-ip"

 echo ""
 echo "========================================"
 echo "  Weyflix Connection Diagnostic"
 echo "========================================"
 echo ""

 # Resolve server IP: argument > saved file > prompt
 if [ -n "$1" ]; then
    SERVER_PUBLIC_IP="$1"
 elif [ -f "$SAVED_IP_FILE" ]; then
    SAVED_IP=$(cat "$SAVED_IP_FILE" | tr -d '\r\n' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
    if [ -n "$SAVED_IP" ]; then
        echo "  Found saved server IP: $SAVED_IP"
        echo ""
        printf "  Is this correct? (y/n): "
        read CONFIRM
        CONFIRM=$(echo "$CONFIRM" | tr '[:upper:]' '[:lower:]' | tr -d '[:space:]')

        if [ "$CONFIRM" = "y" ] || [ "$CONFIRM" = "yes" ]; then
            SERVER_PUBLIC_IP="$SAVED_IP"
        else
            echo ""
            echo "  OK, enter the correct IP below."
            echo "  It looks something like: 73.162.45.100"
            echo ""
            printf "  Enter the server IP (xxx.xxx.xxx.xxx): "
            read SERVER_PUBLIC_IP
        fi
    fi
 fi

 if [ -z "$SERVER_PUBLIC_IP" ]; then
    echo "The server admin should have given you an IP address."
    echo "It looks something like: 73.162.45.100"
    echo ""
    printf "Enter the server IP (xxx.xxx.xxx.xxx): "
    read SERVER_PUBLIC_IP
 fi

 # Sanitize: trim whitespace and strip newlines/carriage returns
 SERVER_PUBLIC_IP=$(echo "$SERVER_PUBLIC_IP" | tr -d '\r\n' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')

 if [ -z "$SERVER_PUBLIC_IP" ]; then
    echo ""
    echo "[ERROR] No IP address entered."
    echo ""
    echo "  Please re-run the script and enter the IP address"
    echo "  that was provided to you (e.g. 73.162.45.100)"
    echo ""
    exit 1
 fi

 # Validate IP format (IPv4: 1-3 digits separated by dots, 4 octets)
 if ! echo "$SERVER_PUBLIC_IP" | grep -qE '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'; then
    echo ""
    echo "[ERROR] '$SERVER_PUBLIC_IP' doesn't look like a valid IP address."
    echo ""
    echo "  An IP address looks like: 73.162.45.100"
    echo "  (four groups of numbers separated by dots)"
    echo ""
    echo "  Make sure you're entering the IP address, not a website URL."
    echo "  Don't include http:// or any slashes."
    echo ""
    exit 1
 fi

 # Check if user entered a private/local IP range
 if echo "$SERVER_PUBLIC_IP" | grep -qE '^(10\.|172\.(1[6-9]|2[0-9]|3[01])\.|192\.168\.)'; then
    echo ""
    echo "[WARNING] '$SERVER_PUBLIC_IP' is a local/private IP address."
    echo ""
    echo "  That's an internal network address (like a home Wi-Fi address)."
    echo "  For remote access, you need the server's PUBLIC IP address."
    echo "  Ask the server admin for the correct public IP and try again."
    echo ""
    exit 1
 fi

 # Check if user entered their own IP by mistake (local or public)
 OWN_IP_MATCH=false
 if [ "$(uname)" = "Darwin" ]; then
    LOCAL_IPS=$(ifconfig 2>/dev/null | grep "inet " | awk '{print $2}' | grep -v "127\.")
 else
    LOCAL_IPS=$(hostname -I 2>/dev/null)
 fi
 MY_PUBLIC_CHECK=$(curl -s --connect-timeout 5 https://api.ipify.org 2>/dev/null)

 for ip in $LOCAL_IPS $MY_PUBLIC_CHECK; do
    if [ "$ip" = "$SERVER_PUBLIC_IP" ]; then
        OWN_IP_MATCH=true
        break
    fi
 done

 if [ "$OWN_IP_MATCH" = true ]; then
    echo ""
    echo "[WARNING] '$SERVER_PUBLIC_IP' is YOUR IP address, not the server's."
    echo ""
    echo "  You entered your own IP address by mistake."
    echo "  You need the Weyflix SERVER's IP address, not your own."
    echo "  Ask the server admin for the correct IP and try again."
    echo ""
    exit 1
 fi

 # Save IP for future runs
 echo "$SERVER_PUBLIC_IP" > "$SAVED_IP_FILE"

 echo ""
 echo "  Target server: $SERVER_PUBLIC_IP"
 echo ""

 # ── OUTPUT SETUP ──
 OUTPUT_FILE="$HOME/Desktop/weyflix-diagnostic-$(date +%Y%m%d-%H%M%S).txt"

 log() {
    echo "$1"
    echo "$1" >> "$OUTPUT_FILE"
 }

 log_section() {
    log ""
    log "============================================"
    log "  $1"
    log "============================================"
 }

 # Clear output file
 > "$OUTPUT_FILE"


 log "========================================================"
 log "  WEYFLIX CONNECTION DIAGNOSTIC"
 log "  $(date '+%Y-%m-%d %H:%M:%S')"
 log "========================================================"

 # ── 1. YOUR COMPUTER ──
 log_section "1. YOUR COMPUTER"
 log "  Computer Name : $(hostname)"
 log "  Username      : $(whoami)"
 log "  OS            : $(uname -srm)"

 if [ "$(uname)" = "Darwin" ]; then
    log "  macOS Version : $(sw_vers -productVersion 2>/dev/null || echo 'unknown')"
    IFACE=$(route -n get default 2>/dev/null | grep interface | awk '{print $2}')
    LOCAL_IP=$(ifconfig "$IFACE" 2>/dev/null | grep "inet " | awk '{print $2}')
    GATEWAY=$(route -n get default 2>/dev/null | grep gateway | awk '{print $2}')
    DNS=$(scutil --dns 2>/dev/null | grep "nameserver" | head -3 | awk '{print $3}' | tr '\n' ', ' | sed 's/,$//')
 else
    IFACE=$(ip route show default 2>/dev/null | awk '{print $5}' | head -1)
    LOCAL_IP=$(hostname -I 2>/dev/null | awk '{print $1}')
    GATEWAY=$(ip route show default 2>/dev/null | awk '{print $3}' | head -1)
    DNS=$(grep nameserver /etc/resolv.conf 2>/dev/null | awk '{print $2}' | tr '\n' ', ' | sed 's/,$//')
 fi

 log "  Adapter       : ${IFACE:-unknown}"
 log "  Local IP      : ${LOCAL_IP:-unknown}"
 log "  Gateway       : ${GATEWAY:-unknown}"
 log "  DNS Servers   : ${DNS:-unknown}"

 # ── 2. YOUR PUBLIC IP ──
 log_section "2. YOUR PUBLIC IP"
 log "  Finding your public IP address..."
 MY_PUBLIC_IP=$(curl -s --connect-timeout 10 https://api.ipify.org 2>/dev/null)
 if [ -n "$MY_PUBLIC_IP" ]; then
    log "  Your public IP: $MY_PUBLIC_IP"
 else
    log "  [PROBLEM] Cannot determine your public IP"
    log "  This usually means you have no internet connection"
    MY_PUBLIC_IP="UNKNOWN"
 fi

 # ── 3. INTERNET CONNECTION ──
 log_section "3. INTERNET CONNECTION"
 INTERNET_OK=false

 for site in "Google|https://www.google.com" "Plex.tv|https://plex.tv" "Apple|https://www.apple.com"; do
    name=$(echo "$site" | cut -d'|' -f1)
    url=$(echo "$site" | cut -d'|' -f2)
    code=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 10 "$url" 2>/dev/null)
    if [ "$code" -ge 200 ] && [ "$code" -lt 400 ] 2>/dev/null; then
        log "  [OK]      $name - reachable (HTTP $code)"
        INTERNET_OK=true
    else
        log "  [PROBLEM] $name - cannot reach (HTTP $code)"
    fi
 done

 if [ "$INTERNET_OK" = false ]; then
    log ""
    log "  >>> DIAGNOSIS: You have no internet connection. <<<"
    log "  >>> Fix your internet first, then try Weyflix again. <<<"
    log ""
    log "Results saved to: $OUTPUT_FILE"
    read -p "Press Enter to exit..."
    exit
 fi

 # ── 4. DNS RESOLUTION ──
 log_section "4. DNS RESOLUTION"
 DNS_OK=true

 for domain in plex.tv app.plex.tv google.com; do
    if command -v host >/dev/null 2>&1; then
        result=$(host "$domain" 2>/dev/null | grep "has address" | head -1 | awk '{print $NF}')
    elif command -v nslookup >/dev/null 2>&1; then
        result=$(nslookup "$domain" 2>/dev/null | grep "Address" | tail -1 | awk '{print $2}')
    elif command -v dig >/dev/null 2>&1; then
        result=$(dig +short "$domain" 2>/dev/null | head -1)
    fi

    if [ -n "$result" ]; then
        log "  [OK]      $domain -> $result"
    else
        log "  [PROBLEM] $domain - DNS resolution FAILED"
        DNS_OK=false
    fi
 done

 if [ "$DNS_OK" = false ]; then
    log ""
    log "  >>> DIAGNOSIS: DNS is not working properly. <<<"
    log "  >>> Try changing your DNS servers to 1.1.1.1 and 8.8.8.8 <<<"
    if [ "$(uname)" = "Darwin" ]; then
        log "  >>> Mac: System Settings > Network > your connection > Details > DNS <<<"
        log "  >>> Remove existing entries, add 1.1.1.1 and 8.8.8.8 <<<"
    else
        log "  >>> Linux: Edit /etc/resolv.conf or use your network manager <<<"
        log "  >>> Set nameserver to 1.1.1.1 and 8.8.8.8 <<<"
    fi
 fi

 # ── 5. DIRECT SERVER CONNECTION ──
 log_section "5. DIRECT SERVER CONNECTION"
 log "  Testing connection to Weyflix server at $SERVER_PUBLIC_IP:$PLEX_PORT..."
 log ""

 # Port test
 PORT_OPEN=false
 if command -v nc >/dev/null 2>&1; then
    if nc -z -w 5 "$SERVER_PUBLIC_IP" "$PLEX_PORT" 2>/dev/null; then
        log "  [OK]      Port $PLEX_PORT is OPEN and reachable"
        PORT_OPEN=true
    else
        log "  [PROBLEM] Port $PLEX_PORT is BLOCKED or UNREACHABLE"
    fi
 else
    log "  (nc not available, using curl for port test)"
 fi

 # Plex API test
 log ""
 log "  Testing Plex API..."
 API_START=$(date +%s%N 2>/dev/null || date +%s)
 API_CODE=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 15 "http://$SERVER_PUBLIC_IP:$PLEX_PORT/identity" 2>/dev/null)
 API_END=$(date +%s%N 2>/dev/null || date +%s)

 if [ "$API_CODE" = "200" ]; then
    log "  [OK]      Plex API responding (HTTP $API_CODE)"
    PORT_OPEN=true
    # Get server version
    VERSION=$(curl -s --connect-timeout 5 "http://$SERVER_PUBLIC_IP:$PLEX_PORT/identity" 2>/dev/null | grep -oP 'version="[^"]*"' | head -1)
    if [ -n "$VERSION" ]; then
        log "            Server $VERSION"
    fi
 elif [ "$API_CODE" = "000" ]; then
    log "  [PROBLEM] Plex API TIMED OUT"
    log "            The port is likely blocked by a firewall or ISP"
 else
    log "  [PROBLEM] Plex API returned HTTP $API_CODE"
 fi

 # ── 6. PING TEST ──
 log_section "6. PING TEST (latency & packet loss)"
 log "  Sending 10 pings to $SERVER_PUBLIC_IP..."

 PING_OUTPUT=$(ping -c 10 -W 3 "$SERVER_PUBLIC_IP" 2>&1)
 log "$PING_OUTPUT"

 # Parse ping stats
 LOSS=$(echo "$PING_OUTPUT" | grep -oP '\d+(?=% packet loss)' || echo "$PING_OUTPUT" | grep -oP '\d+(?=\.?\d*% packet loss)')
 AVG_LATENCY=$(echo "$PING_OUTPUT" | grep -oP 'avg[^=]*= [^/]*/([^/]*)' | grep -oP '[\d.]+' || echo "$PING_OUTPUT" | tail -1 | awk -F'/' '{print $5}')

 if [ -n "$LOSS" ] && [ "$LOSS" != "100" ]; then
    if [ "$LOSS" -gt 0 ] 2>/dev/null; then
        log "  [PROBLEM] Packet loss detected (${LOSS}%)"
    fi
    if [ -n "$AVG_LATENCY" ]; then
        AVG_INT=$(echo "$AVG_LATENCY" | cut -d. -f1)
        if [ "$AVG_INT" -gt 150 ] 2>/dev/null; then
            log "  [PROBLEM] High latency (${AVG_LATENCY}ms) - streaming quality will be poor"
        elif [ "$AVG_INT" -gt 50 ] 2>/dev/null; then
            log "  [OK]      Latency is moderate (${AVG_LATENCY}ms) - should work"
        else
            log "  [OK]      Latency is good (${AVG_LATENCY}ms)"
        fi
    fi
 elif [ "$LOSS" = "100" ]; then
    log "  [PROBLEM] All pings failed"
    log "            Server may block ping or be offline"
    log "            (This doesn't necessarily mean Plex won't work)"
 fi

 # ── 7. TRACEROUTE ──
 log_section "7. NETWORK PATH (traceroute)"
 log "  Tracing route to $SERVER_PUBLIC_IP (this takes 30-60 seconds)..."

 if command -v traceroute >/dev/null 2>&1; then
    TRACE_OUTPUT=$(traceroute -m 15 "$SERVER_PUBLIC_IP" 2>&1)
    log "$TRACE_OUTPUT"

    # Check for CGNAT in your path
    CGNAT=$(echo "$TRACE_OUTPUT" | grep -E "100\.(6[4-9]|[7-9][0-9]|1[01][0-9]|12[0-7])\.")
    if [ -n "$CGNAT" ]; then
        log ""
        log "  [INFO] CGNAT detected in YOUR network path"
        log "         This means your ISP uses Carrier-Grade NAT"
        log "         This is on YOUR side and should not affect connecting to Weyflix"
    fi
 elif command -v tracert >/dev/null 2>&1; then
    tracert -h 15 "$SERVER_PUBLIC_IP" 2>&1 | tee -a "$OUTPUT_FILE"
 else
    log "  (traceroute not available on this system)"
 fi

 # ── 8. VPN CHECK ──
 log_section "8. VPN / PROXY CHECK"
 VPN_DETECTED=false

 # Check for common VPN interfaces
 if [ "$(uname)" = "Darwin" ]; then
    VPN_IFACES=$(ifconfig 2>/dev/null | grep -E "^(utun|tun|tap|ipsec|ppp)" | cut -d: -f1)
 else
    VPN_IFACES=$(ip link show 2>/dev/null | grep -E "(tun|tap|wg|nordlynx|proton|mullvad)" | awk -F: '{print $2}' | tr -d ' ')
 fi

 if [ -n "$VPN_IFACES" ]; then
    log "  [INFO] VPN interface(s) detected: $VPN_IFACES"
    log "         VPNs can sometimes block Plex connections"
    log "         Try disconnecting your VPN and testing again"
    VPN_DETECTED=true
 else
    log "  [OK]   No VPN detected"
 fi

 # Check for proxy
 if [ -n "$http_proxy" ] || [ -n "$https_proxy" ] || [ -n "$HTTP_PROXY" ] || [ -n "$HTTPS_PROXY" ]; then
    log "  [INFO] HTTP proxy detected in environment"
    log "         http_proxy=$http_proxy"
    log "         https_proxy=$https_proxy"
 else
    log "  [OK]   No system proxy"
 fi

 # ── 9. BANDWIDTH ESTIMATE ──
 log_section "9. BANDWIDTH ESTIMATE"
 log "  Testing response speed..."
 if [ "$PORT_OPEN" = true ]; then
    SPEED_INFO=$(curl -s -o /dev/null -w "time_connect=%{time_connect} time_total=%{time_total} speed=%{speed_download}" --connect-timeout 10 "http://$SERVER_PUBLIC_IP:$PLEX_PORT/identity" 2>/dev/null)
    TOTAL_TIME=$(echo "$SPEED_INFO" | grep -oP 'time_total=[\d.]+' | cut -d= -f2)
    TOTAL_MS=$(echo "$TOTAL_TIME * 1000" | bc 2>/dev/null | cut -d. -f1 || echo "unknown")

    if [ "$TOTAL_MS" != "unknown" ] && [ "$TOTAL_MS" -lt 500 ] 2>/dev/null; then
        log "  [OK]      Fast response (${TOTAL_MS}ms) - streaming should work well"
    elif [ "$TOTAL_MS" != "unknown" ] && [ "$TOTAL_MS" -lt 2000 ] 2>/dev/null; then
        log "  [OK]      Moderate response (${TOTAL_MS}ms) - streaming should work"
    elif [ "$TOTAL_MS" != "unknown" ]; then
        log "  [PROBLEM] Slow response (${TOTAL_MS}ms) - may have buffering issues"
    else
        log "  Response info: $SPEED_INFO"
    fi
 else
    log "  Cannot estimate (server unreachable)"
 fi

 # ── 10. SUMMARY ──
 log_section "SUMMARY"

 ISSUES=()

 if [ "$INTERNET_OK" = false ]; then ISSUES+=("No internet connection"); fi
 if [ "$DNS_OK" = false ]; then ISSUES+=("DNS resolution failing"); fi
 if [ "$PORT_OPEN" = false ]; then ISSUES+=("Server port $PLEX_PORT is blocked/unreachable"); fi
 if [ -n "$LOSS" ] && [ "$LOSS" -gt 20 ] 2>/dev/null; then ISSUES+=("Significant packet loss (${LOSS}%)"); fi
 if [ -n "$AVG_INT" ] && [ "$AVG_INT" -gt 150 ] 2>/dev/null; then ISSUES+=("High latency (${AVG_LATENCY}ms)"); fi
 if [ "$VPN_DETECTED" = true ]; then ISSUES+=("VPN active (may interfere)"); fi

 if [ ${#ISSUES[@]} -eq 0 ]; then
    log ""
    log "  [OK] No issues detected from your end!"
    log ""
    log "  If you still can't connect, try:"
    log "    1. Sign out of the Plex app and sign back in"
    log "    2. Clear the Plex app cache"
    log "    3. Make sure you're using the correct Plex account"
    log "    4. Try a different device or network"
 else
    log ""
    log "  Issues found (${#ISSUES[@]}):"
    for issue in "${ISSUES[@]}"; do
        log "    - $issue"
    done
    log ""
    log "  Some issues above may have suggested fixes you can try."
    log "  If you've fixed something, you can run this script again"
    log "  to verify the fix worked and check for any remaining issues."
    log "  (Your server IP is saved — just run the script again)"
 fi

 log ""
 log "========================================================"
 log "  WHAT TO DO NOW"
 log "========================================================"
 log ""
 log "  ** PLEASE SEND THESE RESULTS BACK, even if you see fixes **"
 log "  ** you can try. This helps the admin see the full picture. **"
 log ""
 log "  A file has been saved to your Desktop:"
 log "    $OUTPUT_FILE"
 log ""
 log "  Send it via email, text, or Discord."
 log ""
 log "  If you tried a fix and want to verify it worked:"
 log "    Just run this script again — your server IP is saved"
 log "    so you won't need to re-enter it."
 log ""
 log "========================================================"
 log ""
 log "  Weyflix is a free service provided with love to a"
 log "  very fortunate group of people. That said, there are"
 log "  real costs involved in keeping it running (hardware,"
 log "  electricity, storage, internet, and time)."
 log ""
 log "  Donations are never necessary but always appreciated:"
 log "  Venmo: @weylin"
 log ""
 log "  Thanks for being part of the Weyflix family!"
 log ""

 echo ""
 echo "Results saved to: $OUTPUT_FILE"

 # Try to open the file
 if [ "$(uname)" = "Darwin" ]; then
    open "$OUTPUT_FILE" 2>/dev/null
 elif command -v xdg-open >/dev/null 2>&1; then
    xdg-open "$OUTPUT_FILE" 2>/dev/null
 fi

 echo ""
 read -p "Press Enter to exit..."
	#!/bin/bash
	#
	# Weyflix Connection Diagnostic (Mac / Linux)
	#
	# HOW TO RUN:
	# 1. Open Terminal:
	# - Mac: Press Command+Space, type "terminal", press Enter
	# - Linux: Press Ctrl+Alt+T
	# 2. Drag this file into the Terminal window (or type the path)
	# 3. Press Enter
	# 4. If you get "Permission denied", run: chmod +x weyflix-diagnose.sh
	# then try again
	# 5. Wait for it to finish
	# 6. The results will be saved to a file on your Desktop
	# 7. Send that file back so we can diagnose your issue
	#

	# ── CONFIG ──
	PLEX_PORT=32400

	# Config file for saving IP across runs
	SAVED_IP_FILE="$HOME/.weyflix-server-ip"

	echo ""
	echo "========================================"
	echo " Weyflix Connection Diagnostic"
	echo "========================================"
	echo ""

	# Resolve server IP: argument > saved file > prompt
	if [ -n "$1" ]; then
	SERVER_PUBLIC_IP="$1"
	elif [ -f "$SAVED_IP_FILE" ]; then
	SAVED_IP=$(cat "$SAVED_IP_FILE" \| tr -d '\r\n' \| sed 's/^[[:space:]]//;s/[[:space:]]$//')
	if [ -n "$SAVED_IP" ]; then
	echo " Found saved server IP: $SAVED_IP"
	echo ""
	printf " Is this correct? (y/n): "
	read CONFIRM
	CONFIRM=$(echo "$CONFIRM" \| tr '[:upper:]' '[:lower:]' \| tr -d '[:space:]')

	if [ "$CONFIRM" = "y" ] \|\| [ "$CONFIRM" = "yes" ]; then
	SERVER_PUBLIC_IP="$SAVED_IP"
	else
	echo ""
	echo " OK, enter the correct IP below."
	echo " It looks something like: 73.162.45.100"
	echo ""
	printf " Enter the server IP (xxx.xxx.xxx.xxx): "
	read SERVER_PUBLIC_IP
	fi
	fi
	fi

	if [ -z "$SERVER_PUBLIC_IP" ]; then
	echo "The server admin should have given you an IP address."
	echo "It looks something like: 73.162.45.100"
	echo ""
	printf "Enter the server IP (xxx.xxx.xxx.xxx): "
	read SERVER_PUBLIC_IP
	fi

	# Sanitize: trim whitespace and strip newlines/carriage returns
	SERVER_PUBLIC_IP=$(echo "$SERVER_PUBLIC_IP" \| tr -d '\r\n' \| sed 's/^[[:space:]]//;s/[[:space:]]$//')

	if [ -z "$SERVER_PUBLIC_IP" ]; then
	echo ""
	echo "[ERROR] No IP address entered."
	echo ""
	echo " Please re-run the script and enter the IP address"
	echo " that was provided to you (e.g. 73.162.45.100)"
	echo ""
	exit 1
	fi

	# Validate IP format (IPv4: 1-3 digits separated by dots, 4 octets)
	if ! echo "$SERVER_PUBLIC_IP" \| grep -qE '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'; then
	echo ""
	echo "[ERROR] '$SERVER_PUBLIC_IP' doesn't look like a valid IP address."
	echo ""
	echo " An IP address looks like: 73.162.45.100"
	echo " (four groups of numbers separated by dots)"
	echo ""
	echo " Make sure you're entering the IP address, not a website URL."
	echo " Don't include http:// or any slashes."
	echo ""
	exit 1
	fi

	# Check if user entered a private/local IP range
	if echo "$SERVER_PUBLIC_IP" \| grep -qE '^(10\.\|172\.(1[6-9]\|2[0-9]\|3[01])\.\|192\.168\.)'; then
	echo ""
	echo "[WARNING] '$SERVER_PUBLIC_IP' is a local/private IP address."
	echo ""
	echo " That's an internal network address (like a home Wi-Fi address)."
	echo " For remote access, you need the server's PUBLIC IP address."
	echo " Ask the server admin for the correct public IP and try again."
	echo ""
	exit 1
	fi

	# Check if user entered their own IP by mistake (local or public)
	OWN_IP_MATCH=false
	if [ "$(uname)" = "Darwin" ]; then
	LOCAL_IPS=$(ifconfig 2>/dev/null \| grep "inet " \| awk '{print $2}' \| grep -v "127\.")
	else
	LOCAL_IPS=$(hostname -I 2>/dev/null)
	fi
	MY_PUBLIC_CHECK=$(curl -s --connect-timeout 5 https://api.ipify.org 2>/dev/null)

	for ip in $LOCAL_IPS $MY_PUBLIC_CHECK; do
	if [ "$ip" = "$SERVER_PUBLIC_IP" ]; then
	OWN_IP_MATCH=true
	break
	fi
	done

	if [ "$OWN_IP_MATCH" = true ]; then
	echo ""
	echo "[WARNING] '$SERVER_PUBLIC_IP' is YOUR IP address, not the server's."
	echo ""
	echo " You entered your own IP address by mistake."
	echo " You need the Weyflix SERVER's IP address, not your own."
	echo " Ask the server admin for the correct IP and try again."
	echo ""
	exit 1
	fi

	# Save IP for future runs
	echo "$SERVER_PUBLIC_IP" > "$SAVED_IP_FILE"

	echo ""
	echo " Target server: $SERVER_PUBLIC_IP"
	echo ""

	# ── OUTPUT SETUP ──
	OUTPUT_FILE="$HOME/Desktop/weyflix-diagnostic-$(date +%Y%m%d-%H%M%S).txt"

	log() {
	echo "$1"
	echo "$1" >> "$OUTPUT_FILE"
	}

	log_section() {
	log ""
	log "============================================"
	log " $1"
	log "============================================"
	}

	# Clear output file
	> "$OUTPUT_FILE"


	log "========================================================"
	log " WEYFLIX CONNECTION DIAGNOSTIC"
	log " $(date '+%Y-%m-%d %H:%M:%S')"
	log "========================================================"

	# ── 1. YOUR COMPUTER ──
	log_section "1. YOUR COMPUTER"
	log " Computer Name : $(hostname)"
	log " Username : $(whoami)"
	log " OS : $(uname -srm)"

	if [ "$(uname)" = "Darwin" ]; then
	log " macOS Version : $(sw_vers -productVersion 2>/dev/null \|\| echo 'unknown')"
	IFACE=$(route -n get default 2>/dev/null \| grep interface \| awk '{print $2}')
	LOCAL_IP=$(ifconfig "$IFACE" 2>/dev/null \| grep "inet " \| awk '{print $2}')
	GATEWAY=$(route -n get default 2>/dev/null \| grep gateway \| awk '{print $2}')
	DNS=$(scutil --dns 2>/dev/null \| grep "nameserver" \| head -3 \| awk '{print $3}' \| tr '\n' ', ' \| sed 's/,$//')
	else
	IFACE=$(ip route show default 2>/dev/null \| awk '{print $5}' \| head -1)
	LOCAL_IP=$(hostname -I 2>/dev/null \| awk '{print $1}')
	GATEWAY=$(ip route show default 2>/dev/null \| awk '{print $3}' \| head -1)
	DNS=$(grep nameserver /etc/resolv.conf 2>/dev/null \| awk '{print $2}' \| tr '\n' ', ' \| sed 's/,$//')
	fi

	log " Adapter : ${IFACE:-unknown}"
	log " Local IP : ${LOCAL_IP:-unknown}"
	log " Gateway : ${GATEWAY:-unknown}"
	log " DNS Servers : ${DNS:-unknown}"

	# ── 2. YOUR PUBLIC IP ──
	log_section "2. YOUR PUBLIC IP"
	log " Finding your public IP address..."
	MY_PUBLIC_IP=$(curl -s --connect-timeout 10 https://api.ipify.org 2>/dev/null)
	if [ -n "$MY_PUBLIC_IP" ]; then
	log " Your public IP: $MY_PUBLIC_IP"
	else
	log " [PROBLEM] Cannot determine your public IP"
	log " This usually means you have no internet connection"
	MY_PUBLIC_IP="UNKNOWN"
	fi

	# ── 3. INTERNET CONNECTION ──
	log_section "3. INTERNET CONNECTION"
	INTERNET_OK=false

	for site in "Google\|https://www.google.com" "Plex.tv\|https://plex.tv" "Apple\|https://www.apple.com"; do
	name=$(echo "$site" \| cut -d'\|' -f1)
	url=$(echo "$site" \| cut -d'\|' -f2)
	code=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 10 "$url" 2>/dev/null)
	if [ "$code" -ge 200 ] && [ "$code" -lt 400 ] 2>/dev/null; then
	log " [OK] $name - reachable (HTTP $code)"
	INTERNET_OK=true
	else
	log " [PROBLEM] $name - cannot reach (HTTP $code)"
	fi
	done

	if [ "$INTERNET_OK" = false ]; then
	log ""
	log " >>> DIAGNOSIS: You have no internet connection. <<<"
	log " >>> Fix your internet first, then try Weyflix again. <<<"
	log ""
	log "Results saved to: $OUTPUT_FILE"
	read -p "Press Enter to exit..."
	exit
	fi

	# ── 4. DNS RESOLUTION ──
	log_section "4. DNS RESOLUTION"
	DNS_OK=true

	for domain in plex.tv app.plex.tv google.com; do
	if command -v host >/dev/null 2>&1; then
	result=$(host "$domain" 2>/dev/null \| grep "has address" \| head -1 \| awk '{print $NF}')
	elif command -v nslookup >/dev/null 2>&1; then
	result=$(nslookup "$domain" 2>/dev/null \| grep "Address" \| tail -1 \| awk '{print $2}')
	elif command -v dig >/dev/null 2>&1; then
	result=$(dig +short "$domain" 2>/dev/null \| head -1)
	fi

	if [ -n "$result" ]; then
	log " [OK] $domain -> $result"
	else
	log " [PROBLEM] $domain - DNS resolution FAILED"
	DNS_OK=false
	fi
	done

	if [ "$DNS_OK" = false ]; then
	log ""
	log " >>> DIAGNOSIS: DNS is not working properly. <<<"
	log " >>> Try changing your DNS servers to 1.1.1.1 and 8.8.8.8 <<<"
	if [ "$(uname)" = "Darwin" ]; then
	log " >>> Mac: System Settings > Network > your connection > Details > DNS <<<"
	log " >>> Remove existing entries, add 1.1.1.1 and 8.8.8.8 <<<"
	else
	log " >>> Linux: Edit /etc/resolv.conf or use your network manager <<<"
	log " >>> Set nameserver to 1.1.1.1 and 8.8.8.8 <<<"
	fi
	fi

	# ── 5. DIRECT SERVER CONNECTION ──
	log_section "5. DIRECT SERVER CONNECTION"
	log " Testing connection to Weyflix server at $SERVER_PUBLIC_IP:$PLEX_PORT..."
	log ""

	# Port test
	PORT_OPEN=false
	if command -v nc >/dev/null 2>&1; then
	if nc -z -w 5 "$SERVER_PUBLIC_IP" "$PLEX_PORT" 2>/dev/null; then
	log " [OK] Port $PLEX_PORT is OPEN and reachable"
	PORT_OPEN=true
	else
	log " [PROBLEM] Port $PLEX_PORT is BLOCKED or UNREACHABLE"
	fi
	else
	log " (nc not available, using curl for port test)"
	fi

	# Plex API test
	log ""
	log " Testing Plex API..."
	API_START=$(date +%s%N 2>/dev/null \|\| date +%s)
	API_CODE=$(curl -s -o /dev/null -w "%{http_code}" --connect-timeout 15 "http://$SERVER_PUBLIC_IP:$PLEX_PORT/identity" 2>/dev/null)
	API_END=$(date +%s%N 2>/dev/null \|\| date +%s)

	if [ "$API_CODE" = "200" ]; then
	log " [OK] Plex API responding (HTTP $API_CODE)"
	PORT_OPEN=true
	# Get server version
	VERSION=$(curl -s --connect-timeout 5 "http://$SERVER_PUBLIC_IP:$PLEX_PORT/identity" 2>/dev/null \| grep -oP 'version="[^"]*"' \| head -1)
	if [ -n "$VERSION" ]; then
	log " Server $VERSION"
	fi
	elif [ "$API_CODE" = "000" ]; then
	log " [PROBLEM] Plex API TIMED OUT"
	log " The port is likely blocked by a firewall or ISP"
	else
	log " [PROBLEM] Plex API returned HTTP $API_CODE"
	fi

	# ── 6. PING TEST ──
	log_section "6. PING TEST (latency & packet loss)"
	log " Sending 10 pings to $SERVER_PUBLIC_IP..."

	PING_OUTPUT=$(ping -c 10 -W 3 "$SERVER_PUBLIC_IP" 2>&1)
	log "$PING_OUTPUT"

	# Parse ping stats
	LOSS=$(echo "$PING_OUTPUT" \| grep -oP '\d+(?=% packet loss)' \|\| echo "$PING_OUTPUT" \| grep -oP '\d+(?=\.?\d*% packet loss)')
	AVG_LATENCY=$(echo "$PING_OUTPUT" \| grep -oP 'avg[^=]= [^/]/([^/]*)' \| grep -oP '[\d.]+' \|\| echo "$PING_OUTPUT" \| tail -1 \| awk -F'/' '{print $5}')

	if [ -n "$LOSS" ] && [ "$LOSS" != "100" ]; then
	if [ "$LOSS" -gt 0 ] 2>/dev/null; then
	log " [PROBLEM] Packet loss detected (${LOSS}%)"
	fi
	if [ -n "$AVG_LATENCY" ]; then
	AVG_INT=$(echo "$AVG_LATENCY" \| cut -d. -f1)
	if [ "$AVG_INT" -gt 150 ] 2>/dev/null; then
	log " [PROBLEM] High latency (${AVG_LATENCY}ms) - streaming quality will be poor"
	elif [ "$AVG_INT" -gt 50 ] 2>/dev/null; then
	log " [OK] Latency is moderate (${AVG_LATENCY}ms) - should work"
	else
	log " [OK] Latency is good (${AVG_LATENCY}ms)"
	fi
	fi
	elif [ "$LOSS" = "100" ]; then
	log " [PROBLEM] All pings failed"
	log " Server may block ping or be offline"
	log " (This doesn't necessarily mean Plex won't work)"
	fi

	# ── 7. TRACEROUTE ──
	log_section "7. NETWORK PATH (traceroute)"
	log " Tracing route to $SERVER_PUBLIC_IP (this takes 30-60 seconds)..."

	if command -v traceroute >/dev/null 2>&1; then
	TRACE_OUTPUT=$(traceroute -m 15 "$SERVER_PUBLIC_IP" 2>&1)
	log "$TRACE_OUTPUT"

	# Check for CGNAT in your path
	CGNAT=$(echo "$TRACE_OUTPUT" \| grep -E "100\.(6[4-9]\|[7-9][0-9]\|1[01][0-9]\|12[0-7])\.")
	if [ -n "$CGNAT" ]; then
	log ""
	log " [INFO] CGNAT detected in YOUR network path"
	log " This means your ISP uses Carrier-Grade NAT"
	log " This is on YOUR side and should not affect connecting to Weyflix"
	fi
	elif command -v tracert >/dev/null 2>&1; then
	tracert -h 15 "$SERVER_PUBLIC_IP" 2>&1 \| tee -a "$OUTPUT_FILE"
	else
	log " (traceroute not available on this system)"
	fi

	# ── 8. VPN CHECK ──
	log_section "8. VPN / PROXY CHECK"
	VPN_DETECTED=false

	# Check for common VPN interfaces
	if [ "$(uname)" = "Darwin" ]; then
	VPN_IFACES=$(ifconfig 2>/dev/null \| grep -E "^(utun\|tun\|tap\|ipsec\|ppp)" \| cut -d: -f1)
	else
	VPN_IFACES=$(ip link show 2>/dev/null \| grep -E "(tun\|tap\|wg\|nordlynx\|proton\|mullvad)" \| awk -F: '{print $2}' \| tr -d ' ')
	fi

	if [ -n "$VPN_IFACES" ]; then
	log " [INFO] VPN interface(s) detected: $VPN_IFACES"
	log " VPNs can sometimes block Plex connections"
	log " Try disconnecting your VPN and testing again"
	VPN_DETECTED=true
	else
	log " [OK] No VPN detected"
	fi

	# Check for proxy
	if [ -n "$http_proxy" ] \|\| [ -n "$https_proxy" ] \|\| [ -n "$HTTP_PROXY" ] \|\| [ -n "$HTTPS_PROXY" ]; then
	log " [INFO] HTTP proxy detected in environment"
	log " http_proxy=$http_proxy"
	log " https_proxy=$https_proxy"
	else
	log " [OK] No system proxy"
	fi

	# ── 9. BANDWIDTH ESTIMATE ──
	log_section "9. BANDWIDTH ESTIMATE"
	log " Testing response speed..."
	if [ "$PORT_OPEN" = true ]; then
	SPEED_INFO=$(curl -s -o /dev/null -w "time_connect=%{time_connect} time_total=%{time_total} speed=%{speed_download}" --connect-timeout 10 "http://$SERVER_PUBLIC_IP:$PLEX_PORT/identity" 2>/dev/null)
	TOTAL_TIME=$(echo "$SPEED_INFO" \| grep -oP 'time_total=[\d.]+' \| cut -d= -f2)
	TOTAL_MS=$(echo "$TOTAL_TIME * 1000" \| bc 2>/dev/null \| cut -d. -f1 \|\| echo "unknown")

	if [ "$TOTAL_MS" != "unknown" ] && [ "$TOTAL_MS" -lt 500 ] 2>/dev/null; then
	log " [OK] Fast response (${TOTAL_MS}ms) - streaming should work well"
	elif [ "$TOTAL_MS" != "unknown" ] && [ "$TOTAL_MS" -lt 2000 ] 2>/dev/null; then
	log " [OK] Moderate response (${TOTAL_MS}ms) - streaming should work"
	elif [ "$TOTAL_MS" != "unknown" ]; then
	log " [PROBLEM] Slow response (${TOTAL_MS}ms) - may have buffering issues"
	else
	log " Response info: $SPEED_INFO"
	fi
	else
	log " Cannot estimate (server unreachable)"
	fi

	# ── 10. SUMMARY ──
	log_section "SUMMARY"

	ISSUES=()

	if [ "$INTERNET_OK" = false ]; then ISSUES+=("No internet connection"); fi
	if [ "$DNS_OK" = false ]; then ISSUES+=("DNS resolution failing"); fi
	if [ "$PORT_OPEN" = false ]; then ISSUES+=("Server port $PLEX_PORT is blocked/unreachable"); fi
	if [ -n "$LOSS" ] && [ "$LOSS" -gt 20 ] 2>/dev/null; then ISSUES+=("Significant packet loss (${LOSS}%)"); fi
	if [ -n "$AVG_INT" ] && [ "$AVG_INT" -gt 150 ] 2>/dev/null; then ISSUES+=("High latency (${AVG_LATENCY}ms)"); fi
	if [ "$VPN_DETECTED" = true ]; then ISSUES+=("VPN active (may interfere)"); fi

	if [ ${#ISSUES[@]} -eq 0 ]; then
	log ""
	log " [OK] No issues detected from your end!"
	log ""
	log " If you still can't connect, try:"
	log " 1. Sign out of the Plex app and sign back in"
	log " 2. Clear the Plex app cache"
	log " 3. Make sure you're using the correct Plex account"
	log " 4. Try a different device or network"
	else
	log ""
	log " Issues found (${#ISSUES[@]}):"
	for issue in "${ISSUES[@]}"; do
	log " - $issue"
	done
	log ""
	log " Some issues above may have suggested fixes you can try."
	log " If you've fixed something, you can run this script again"
	log " to verify the fix worked and check for any remaining issues."
	log " (Your server IP is saved — just run the script again)"
	fi

	log ""
	log "========================================================"
	log " WHAT TO DO NOW"
	log "========================================================"
	log ""
	log " PLEASE SEND THESE RESULTS BACK, even if you see fixes "
	log " you can try. This helps the admin see the full picture. "
	log ""
	log " A file has been saved to your Desktop:"
	log " $OUTPUT_FILE"
	log ""
	log " Send it via email, text, or Discord."
	log ""
	log " If you tried a fix and want to verify it worked:"
	log " Just run this script again — your server IP is saved"
	log " so you won't need to re-enter it."
	log ""
	log "========================================================"
	log ""
	log " Weyflix is a free service provided with love to a"
	log " very fortunate group of people. That said, there are"
	log " real costs involved in keeping it running (hardware,"
	log " electricity, storage, internet, and time)."
	log ""
	log " Donations are never necessary but always appreciated:"
	log " Venmo: @weylin"
	log ""
	log " Thanks for being part of the Weyflix family!"
	log ""

	echo ""
	echo "Results saved to: $OUTPUT_FILE"

	# Try to open the file
	if [ "$(uname)" = "Darwin" ]; then
	open "$OUTPUT_FILE" 2>/dev/null
	elif command -v xdg-open >/dev/null 2>&1; then
	xdg-open "$OUTPUT_FILE" 2>/dev/null
	fi

	echo ""
	read -p "Press Enter to exit..."
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