import frappe
from frappe import _
from datetime import datetime
from frappe.utils import get_first_day, get_last_day

@frappe.whitelist()
def get_number_card_data():
    # Get the first and last day of the current month
    today = datetime.today()
    first_day = get_first_day(today).strftime('%Y-%m-%d')
    last_day = get_last_day(today).strftime('%Y-%m-%d')

    # Fetch open opportunities closing this month
    opportunities = frappe.db.get_all(
        "Opportunity",
        filters={
            "status": ["not in", ["Closed", "Lost"]]
        },
        fields=["name", "sales_stage", "base_opportunity_amount"]
    )

    total_theoretical_value = 0

    for opp in opportunities:
        probability = 0
        if opp.sales_stage:
            probability = frappe.db.get_value("Sales Stage", opp.sales_stage, "opportunity_probability") or 0

        theoretical_value = (opp.base_opportunity_amount or 0) * (probability / 100)
        total_theoretical_value += theoretical_value

    return {
        "value": round(total_theoretical_value, 2),
        "fieldtype": "Currency",
        "label": _("Theoretical Value (This Month)")
    }