# mcp_server.py

import os
import json
import sqlite3
from mcp.server.fastmcp import FastMCP
from connectors import hubspot_connector

mcp = FastMCP("EnterpriseData")

# ─── 1. SQLite tool (in-memory) ─────────────
conn = sqlite3.connect(":memory:", check_same_thread=False)
cur = conn.cursor()
cur.execute("""
CREATE TABLE Customers (
    CustomerID INTEGER PRIMARY KEY AUTOINCREMENT,
    Name TEXT,
    Region TEXT,
    LastOrderDate TEXT
)
""")
cur.executemany(
    "INSERT INTO Customers (Name, Region, LastOrderDate) VALUES (?, ?, ?)",
    [
        ("Acme Corp", "Northeast", "2024-12-01"),
        ("Beta Inc", "West", "2025-06-01"),
        ("Gamma Co", "Northeast", "2023-09-15"),
        ("Delta LLC", "South", "2025-03-20"),
        ("Epsilon Ltd", "Northeast", "2025-07-10"),
    ],
)
conn.commit()

@mcp.tool()
def query_database(sql: str) -> str:
    """Run SQL and return JSON results."""
    try:
        cur.execute(sql)
        cols = [d[0] for d in cur.description or []]
        rows = [dict(zip(cols, r)) for r in cur.fetchall()]
        return json.dumps(rows)
    except Exception as e:
        return json.dumps({"error": str(e)})

# ─── 2. HubSpot tool ────────────────
@mcp.tool()
def query_hubspot_contacts(limit: int = 100) -> str:
    """List HubSpot contacts"""
    return hubspot_connector.list_contacts(limit)

@mcp.tool()
def query_hubspot_companies(limit: int = 100) -> str:
    """List HubSpot companies"""
    return hubspot_connector.list_companies(limit)

# ─── 3. Start MCP ───────────────────
if __name__ == "__main__":
    mcp.run(transport="stdio")