#!/bin/bash
# Domain Pre-Purchase Check Script
# Usage: ./domain-check.sh example.com

DOMAIN="$1"

if [ -z "$DOMAIN" ]; then
    echo "Usage: $0 <domain>"
    echo "Example: $0 whyrating.com"
    exit 1
fi

echo "╔════════════════════════════════════════════════════════════╗"
echo "║       Domain Pre-Purchase Check: $DOMAIN"
echo "╚════════════════════════════════════════════════════════════╝"

# 1. WHOIS Check
echo -e "\n━━━ [1/7] WHOIS Registration ━━━"
WHOIS_RESULT=$(whois "$DOMAIN" 2>/dev/null)
if echo "$WHOIS_RESULT" | grep -qi "No match"; then
    echo "✅ Domain is AVAILABLE (not registered)"
else
    echo "⚠️  Domain is REGISTERED"
    echo "$WHOIS_RESULT" | grep -iE "registrar|creation|updated|status" | head -5
fi

# 2. DNS Resolution
echo -e "\n━━━ [2/7] DNS Resolution ━━━"
IPS=$(dig +short "$DOMAIN" A 2>/dev/null)
if [ -n "$IPS" ]; then
    echo "IPs: $IPS"
else
    echo "No A records (domain not configured or available)"
fi

# 3. HTTP Check
echo -e "\n━━━ [3/7] HTTP Accessibility ━━━"
HTTP_STATUS=$(curl -sI --max-time 5 "https://$DOMAIN" 2>/dev/null | head -1)
if [ -n "$HTTP_STATUS" ]; then
    echo "$HTTP_STATUS"
else
    echo "No HTTP response (site not live)"
fi

# 4. Spanish ISP Block Check
echo -e "\n━━━ [4/7] Spanish ISP Block Check (LaLiga) ━━━"
if [ -n "$IPS" ]; then
    for IP in $IPS; do
        echo "Checking IP: $IP"
        BLOCK_DATA=$(curl -s "https://hayahora.futbol/estado/data.json" 2>/dev/null)
        if [ -n "$BLOCK_DATA" ]; then
            BLOCKED=$(echo "$BLOCK_DATA" | grep -c "\"$IP\"")
            if [ "$BLOCKED" -gt 0 ]; then
                echo "  🚫 WARNING: IP found in Spanish block list!"
                echo "$BLOCK_DATA" | python3 -c "
import json, sys
data = json.load(sys.stdin)
ip = '$IP'
for entry in data.get('data', []):
    if entry.get('ip') == ip:
        last = entry['stateChanges'][-1]
        status = '🚫 BLOCKED' if last['state'] else '✅ OK'
        print(f\"  {entry['isp']}: {status}\")
" 2>/dev/null
            else
                echo "  ✅ IP not in Spanish block list"
            fi
        else
            echo "  ⚠️  Could not reach hayahora.futbol API"
        fi
    done
else
    echo "No IPs to check (domain not configured)"
fi

# 5. Global Accessibility
echo -e "\n━━━ [5/7] Global Accessibility ━━━"
if [ -n "$IPS" ]; then
    RESULT=$(curl -s "https://check-host.net/check-http?host=$DOMAIN&max_nodes=5" -H "Accept: application/json" 2>/dev/null)
    REQUEST_ID=$(echo "$RESULT" | grep -o '"request_id":"[^"]*' | cut -d'"' -f4)
    if [ -n "$REQUEST_ID" ]; then
        echo "Check initiated: https://check-host.net/check-report/$REQUEST_ID"
        sleep 3
        LOCATIONS=$(curl -s "https://check-host.net/check-result/$REQUEST_ID" -H "Accept: application/json" 2>/dev/null | \
            python3 -c "
import json, sys
try:
    data = json.load(sys.stdin)
    for loc, result in data.items():
        if result and result[0]:
            status = '✅' if result[0][0] == 1 else '❌'
            code = result[0][3] if len(result[0]) > 3 else 'N/A'
            print(f'  {status} {loc}: HTTP {code}')
except: pass
" 2>/dev/null)
        if [ -n "$LOCATIONS" ]; then
            echo "$LOCATIONS"
        fi
    fi
else
    echo "Skipped (no IPs configured)"
fi

# 6. Security Links
echo -e "\n━━━ [6/7] Security Check Links ━━━"
echo "  VirusTotal:    https://www.virustotal.com/gui/domain/$DOMAIN"
echo "  Sucuri:        https://sitecheck.sucuri.net/?scan=$DOMAIN"
echo "  Safe Browsing: https://transparencyreport.google.com/safe-browsing/search?url=$DOMAIN"

# 7. History Links
echo -e "\n━━━ [7/7] Domain History ━━━"
echo "  Archive.org:   https://web.archive.org/web/*/$DOMAIN"
echo "  ExpiredDomains: https://www.expireddomains.net/domain-name-search/?q=${DOMAIN%.*}"

echo -e "\n╔════════════════════════════════════════════════════════════╗"
echo "║                    Check Complete                           ║"
echo "╚════════════════════════════════════════════════════════════╝"