#!/bin/bash
#
# Fix dashboard wrong chain and anchor API "Insufficient Balance".
# Run on the bitcoin machine (192.168.1.105) from the project root.
#
# Usage:
#   ./fix-dashboard-anchor-chain.sh
#     Verify, restart Dashboard and Anchor API, run alignment check.
#   ./fix-dashboard-anchor-chain.sh backups/signet-datadir-YYYYMMDD-HHMMSS.tar.gz
#     Restore chain from backup, then verify and restart services.
#
# Author: 4NK Team
# Date: 2026-02-02

set -e

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

if [[ ! -f .env ]]; then
    echo "Error: .env not found. Run from project root: $SCRIPT_DIR"
    exit 1
fi

BACKUP_PATH="${1:-}"

echo "=== Fix Dashboard / Anchor API chain and balance ==="
echo "Project root: $SCRIPT_DIR"
echo ""

echo ">>> Testing RPC config (same node as Mempool: 127.0.0.1:38332)..."
if ! ./test-mempool-rpc-config.sh 127.0.0.1 38332; then
    echo "Error: Node at 127.0.0.1:38332 does not have ~11535 blocks."
    echo "Run this script on the machine where Mempool runs (bitcoin 192.168.1.105)."
    exit 1
fi
echo ""

if [[ -n "$BACKUP_PATH" ]]; then
    if [[ ! -f "$BACKUP_PATH" ]]; then
        echo "Error: Backup file not found: $BACKUP_PATH"
        exit 1
    fi
    echo ">>> Restoring chain from backup: $BACKUP_PATH"
    ./restore-signet-from-backup.sh "$BACKUP_PATH"
    echo ""
fi

echo ">>> Checking Bitcoin Signet container..."
CONTAINER_NAME="bitcoin-signet-instance"
if ! docker ps --format "{{.Names}}" | grep -q "^${CONTAINER_NAME}$"; then
    echo "Error: Container $CONTAINER_NAME is not running."
    echo "Start it with the persistent volume (see docs/MAINTENANCE.md)."
    exit 1
fi
echo "Container is running."
echo ""

echo ">>> Restarting signet-dashboard and anchorage-api..."
if systemctl is-active --quiet signet-dashboard 2>/dev/null; then
    sudo systemctl restart signet-dashboard
    echo "signet-dashboard restarted."
else
    echo "signet-dashboard not managed by systemctl (skip restart)."
fi
if systemctl is-active --quiet anchorage-api 2>/dev/null; then
    sudo systemctl restart anchorage-api
    echo "anchorage-api restarted."
else
    echo "anchorage-api not managed by systemctl (skip restart)."
fi
echo ""

echo ">>> Waiting 5s for services to start..."
sleep 5
echo ""

echo ">>> Running chain alignment check..."
./verify-chain-alignment.sh
echo ""

echo ">>> Node wallet info (check balance):"
BITCOIN_DATADIR=$(docker exec "$CONTAINER_NAME" printenv BITCOIN_DIR 2>/dev/null || echo "/root/.bitcoin")
sudo docker exec "$CONTAINER_NAME" bitcoin-cli -datadir="$BITCOIN_DATADIR" getwalletinfo 2>/dev/null | grep -E '"walletname"|"balance"|"immature_balance"' || echo "(could not get walletinfo)"
echo ""

echo "Done. If the dashboard still shows wrong chain or anchor API returns Insufficient Balance:"
echo "  - Ensure Dashboard and Anchor API run on the bitcoin machine (192.168.1.105)."
echo "  - If chain was lost, restore from backup: ./fix-dashboard-anchor-chain.sh backups/signet-datadir-YYYYMMDD-HHMMSS.tar.gz"
echo "  - See fixKnowledge/dashboard-anchor-wrong-chain-insufficient-balance.md"
echo ""