#!/bin/bash
set -e

PORT=$1

if [ -z "$PORT" ]; then
    echo "ERROR: Port not specified"
    echo "Usage: $0 <port>"
    exit 1
fi

cd /opt/geoip_block_generator

# Safe .env parser
if [ -f /opt/geoip_block_generator/.env ]; then
    echo "Loading environment from .env..."
    
    while IFS='=' read -r key value || [ -n "$key" ]; do
        [[ "$key" =~ ^[[:space:]]*# ]] && continue
        [[ -z "$key" ]] && continue
        
        key=$(echo "$key" | xargs)
        value=$(echo "$value" | xargs)
        
        if [[ "$value" =~ ^\"(.*)\"$ ]]; then
            value="${BASH_REMATCH[1]}"
        elif [[ "$value" =~ ^\'(.*)\'$ ]]; then
            value="${BASH_REMATCH[1]}"
        fi
        
        export "$key=$value"
    done < /opt/geoip_block_generator/.env
fi

# Override port for this instance
export FLASK_PORT=$PORT
export FLASK_HOST=127.0.0.1

# Create log directory if not exists
mkdir -p /var/log/geoip-ban

# Log startup
echo "========================================"
echo "GeoIP WebApp Instance Starting"
echo "Port: $PORT"
echo "User: $(whoami)"
echo "Time: $(date)"
echo "========================================"

exec /opt/geoip_block_generator/venv/bin/gunicorn \
    --bind "127.0.0.1:${PORT}" \
    --workers 1 \
    --threads 8 \
    --worker-class sync \
    --timeout 900 \
    --access-logfile - \
    --error-logfile - \
    --log-level info \
    --access-logformat '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" [Instance:'"${PORT}"']' \
    app:app