#!/bin/bash
# Setup script for local development with market-data.local domain
# This script automates the hosts file entry required for MT5 EA connectivity

set -e

DOMAIN="market-data.local"
HOSTS_ENTRY="127.0.0.1 ${DOMAIN}"
HOSTS_FILE="/etc/hosts"

echo "🚀 Setting up local development environment for Market Data Service"
echo ""

# Check if running on macOS
if [[ "$OSTYPE" == "darwin"* ]]; then
    OS="macOS"
elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
    OS="Linux"
else
    echo "⚠️  Warning: Unsupported OS. Please manually add to hosts file:"
    echo "   ${HOSTS_ENTRY}"
    exit 1
fi

# Check if entry already exists
if grep -q "${DOMAIN}" "${HOSTS_FILE}" 2>/dev/null; then
    echo "✅ Hosts entry for ${DOMAIN} already exists"
    echo ""
    echo "Current entry:"
    grep "${DOMAIN}" "${HOSTS_FILE}" | head -1
    echo ""
    echo "✅ Setup complete! You can now use http://${DOMAIN}"
    exit 0
fi

# Check if running as root (required for hosts file modification)
if [ "$EUID" -ne 0 ]; then
    echo "📝 Adding ${DOMAIN} to hosts file requires administrator privileges"
    echo ""
    
    # Try to use osascript on macOS for interactive password prompt
    if [[ "$OSTYPE" == "darwin"* ]] && command -v osascript >/dev/null 2>&1; then
        echo "   Prompting for administrator password..."
        echo ""
        
        # Use osascript to run the command with admin privileges
        osascript -e "do shell script \"echo '${HOSTS_ENTRY}' >> ${HOSTS_FILE}\" with administrator privileges" 2>&1
        
        if [ $? -ne 0 ]; then
            echo ""
            echo "❌ Failed to add entry. Please run manually:"
            echo "   sudo bash scripts/setup-local-dev.sh"
            echo ""
            echo "Or manually add this line to ${HOSTS_FILE}:"
            echo "   ${HOSTS_ENTRY}"
            exit 1
        fi
    else
        # Not macOS or osascript not available, require manual sudo
        echo "Please run this script with sudo:"
        echo "   sudo bash scripts/setup-local-dev.sh"
        echo ""
        echo "Or manually add this line to ${HOSTS_FILE}:"
        echo "   ${HOSTS_ENTRY}"
        exit 1
    fi
else
    # Already running as root, just add the entry
    echo "📝 Adding ${DOMAIN} to ${HOSTS_FILE}..."
    echo "${HOSTS_ENTRY}" >> "${HOSTS_FILE}"
fi

# Verify the entry was added
if grep -q "${DOMAIN}" "${HOSTS_FILE}"; then
    echo "✅ Successfully added ${DOMAIN} to hosts file"
    echo ""
    echo "Added entry:"
    grep "${DOMAIN}" "${HOSTS_FILE}" | tail -1
    echo ""
    echo "✅ Setup complete!"
    echo ""
    echo "Next steps:"
    echo "  1. Start Docker services: docker-compose up -d"
    echo "  2. Test the domain: curl http://${DOMAIN}/health"
    echo "  3. Configure MT5 EA with: ApiBaseUrl = \"http://${DOMAIN}\""
else
    echo "❌ Failed to add entry to hosts file"
    exit 1
fi