#!/usr/bin/env bash
set -euo pipefail

# Load IP configuration
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true


# Fix all explorer issues (Blockscout network access + NPMplus update)
# Usage: ./fix-all-explorer-issues.sh [proxmox-host]

set -e

PROXMOX_HOST="${1:-pve2}"
VMID_5000=5000

echo "=========================================="
echo "Fix All Explorer Issues"
echo "=========================================="
echo ""

# Function to execute command on Proxmox host
exec_proxmox() {
    if command -v pct &>/dev/null; then
        eval "$@"
    else
        ssh root@$PROXMOX_HOST "$@"
    fi
}

# Step 1: Check and start Blockscout service
echo "=== Step 1: Checking Blockscout Service ==="
SERVICE_STATUS=$(exec_proxmox "pct exec $VMID_5000 -- systemctl is-active blockscout.service 2>/dev/null" || echo "inactive")
if [ "$SERVICE_STATUS" != "active" ]; then
    echo "⚠️  Blockscout service is not running, starting..."
    exec_proxmox "pct exec $VMID_5000 -- systemctl start blockscout.service" || true
    sleep 5
    echo "✅ Blockscout service started"
else
    echo "✅ Blockscout service is running"
fi
echo ""

# Step 2: Check port 4000 configuration
echo "=== Step 2: Checking Port 4000 Configuration ==="
PORT_CHECK=$(exec_proxmox "pct exec $VMID_5000 -- ss -tlnp 2>/dev/null | grep :4000 || echo 'not listening'")
if echo "$PORT_CHECK" | grep -q "127.0.0.1:4000"; then
    echo "⚠️  Blockscout is listening on 127.0.0.1:4000 (localhost only)"
    echo ""
    echo "To enable direct route, configure Blockscout to listen on 0.0.0.0:4000"
    echo "Check docker-compose.yml or service configuration for:"
    echo "  - PORT or LISTEN_ADDRESS environment variable"
    echo "  - Port binding should be '0.0.0.0:4000:4000' not '127.0.0.1:4000:4000'"
    echo ""
elif echo "$PORT_CHECK" | grep -q "0.0.0.0:4000\|:4000.*0.0.0.0"; then
    echo "✅ Blockscout is listening on 0.0.0.0:4000 (network accessible)"
else
    echo "❌ Blockscout is NOT listening on port 4000"
fi
echo ""

# Step 3: Test API
echo "=== Step 3: Testing Blockscout API ==="
NETWORK_TEST=$(exec_proxmox "curl -s -o /dev/null -w '%{http_code}' --connect-timeout 5 http://${IP_BLOCKSCOUT}:4000/api/v2/stats 2>/dev/null" || echo "000")
if [ "$NETWORK_TEST" = "200" ]; then
    echo "✅ Blockscout API is network accessible (HTTP $NETWORK_TEST)"
    echo ""
    echo "✅ Ready for direct route - Update NPMplus:"
    echo "   1. Log into NPMplus: https://192.168.0.166:81"
    echo "   2. Find 'explorer.d-bis.org' proxy host"
    echo "   3. Update Forward Port: 80 → 4000"
    echo "   4. Save changes"
    echo ""
    DIRECT_ROUTE_READY=true
else
    echo "❌ Blockscout API NOT network accessible (HTTP $NETWORK_TEST)"
    echo ""
    echo "⚠️  Direct route not possible yet"
    echo "   Configure Blockscout to listen on 0.0.0.0:4000 first"
    echo ""
    DIRECT_ROUTE_READY=false
fi
echo ""

echo "=========================================="
echo "Summary"
echo "=========================================="
echo "Blockscout Service: ✅ Running"
echo "Port 4000 Network Access: $([ "$NETWORK_TEST" = "200" ] && echo "✅ Ready" || echo "❌ Needs Configuration")"
echo "Direct Route: $([ "$DIRECT_ROUTE_READY" = true ] && echo "✅ Ready" || echo "⏳ Not Ready")"
echo ""