#!/bin/bash
# Monta Partner API MCP Server Launcher for Claude Desktop
# This script can be copied anywhere and runs standalone without requiring the source code

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Check for Node.js
if ! command -v node &> /dev/null; then
    echo -e "${RED}❌ Error: Node.js is not installed.${NC}" >&2
    echo -e "${YELLOW}👉 Please install Node.js 18+ from https://nodejs.org/${NC}" >&2
    exit 1
fi

# Check Node version
NODE_VERSION=$(node -v | cut -d'v' -f2 | cut -d'.' -f1)
if [ "$NODE_VERSION" -lt 18 ]; then
    echo -e "${RED}❌ Error: Node.js 18+ required (you have $(node -v))${NC}" >&2
    exit 1
fi

# Check authentication
if [ -z "$MONTA_CLIENT_ID" ] && [ -z "$MONTA_BEARER_TOKEN" ]; then
    echo -e "${RED}❌ Error: No authentication configured.${NC}" >&2
    echo -e "${YELLOW}Please set in Claude Desktop config:${NC}" >&2
    echo "   - MONTA_CLIENT_ID and MONTA_CLIENT_SECRET, or" >&2
    echo "   - MONTA_BEARER_TOKEN" >&2
    exit 1
fi

echo -e "${GREEN}🚀 Starting Monta Partner API MCP server...${NC}" >&2

# Get the directory where this script is located
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd "$SCRIPT_DIR"

# Download the MCP adapter bundle if not present or outdated
ADAPTER_FILE="monta-mcp-adapter.js"
ADAPTER_URL="https://partner-api-mcp.monta.app/mcp/bundle.js"

# Check if we need to update (older than 24 hours or doesn't exist)
if [ -f "$ADAPTER_FILE" ]; then
    # Check if file is older than 24 hours
    if [ "$(uname)" = "Darwin" ]; then
        # macOS
        FILE_AGE=$(stat -f %m "$ADAPTER_FILE")
    else
        # Linux
        FILE_AGE=$(stat -c %Y "$ADAPTER_FILE")
    fi
    CURRENT_TIME=$(date +%s)
    AGE_HOURS=$(( (CURRENT_TIME - FILE_AGE) / 3600 ))

    if [ $AGE_HOURS -gt 24 ]; then
        echo -e "${YELLOW}📥 Updating MCP adapter (bundle is ${AGE_HOURS}h old)...${NC}" >&2
        curl -s -o "${ADAPTER_FILE}.tmp" "$ADAPTER_URL" || {
            echo -e "${RED}Failed to update adapter, using cached version${NC}" >&2
        }
        if [ -f "${ADAPTER_FILE}.tmp" ]; then
            mv "${ADAPTER_FILE}.tmp" "$ADAPTER_FILE"
        fi
    fi
else
    echo -e "${YELLOW}📥 Downloading MCP adapter...${NC}" >&2
    curl -s -o "$ADAPTER_FILE" "$ADAPTER_URL" || {
        echo -e "${RED}❌ Failed to download MCP adapter${NC}" >&2
        exit 1
    }
fi

# Run the adapter
exec node "$ADAPTER_FILE"