#!/usr/bin/env -S uv run python
"""Reconcile restricted cash, internal transfers, and currency effects."""


def money(amount: float) -> str:
    return f"(${abs(amount):,.0f})" if amount < 0 else f"${amount:,.0f}"


def show(label: str, amount: float) -> None:
    print(f"{label:<48} {money(amount):>16}")


print("CEDAR TRAIL — BEGINNING POPULATION BY LOCATION")
opening_locations = {
    "Cash": 400_000,
    "Cash equivalents": 100_000,
    "Restricted cash": 50_000,
}
for name, amount in opening_locations.items():
    show(name, amount)
opening_population = sum(opening_locations.values())
show("Combined beginning population", opening_population)


print("\nCEDAR TRAIL — CLASSIFIED ACTIVITY")
operating_receipts = 700_000
operating_payments = 600_000
operating_cash_flow = operating_receipts - operating_payments
investing_cash_flow = -70_000
financing_cash_flow = 30_000
net_change_before_exchange_effect = (
    operating_cash_flow + investing_cash_flow + financing_cash_flow
)

show("Operating receipts", operating_receipts)
show("Operating payments", -operating_payments)
show("Operating cash flow", operating_cash_flow)
show("Investing cash flow", investing_cash_flow)
show("Financing cash flow", financing_cash_flow)
show("Net change before exchange effect", net_change_before_exchange_effect)


print("\nCEDAR TRAIL — ENDING POPULATION BY LOCATION")
ending_locations = {
    "Cash": 450_000,
    "Cash equivalents": 80_000,
    "Restricted cash": 90_000,
}
for name, amount in ending_locations.items():
    show(name, amount)
ending_population = sum(ending_locations.values())
show("Combined ending population", ending_population)


# The exchange effect is derived only after supported translation of activity.
exchange_rate_effect = (
    ending_population - opening_population - net_change_before_exchange_effect
)
show("Separate exchange-rate effect", exchange_rate_effect)


# Both accounts are already in the combined population. The transfer has no
# operating, investing, financing, or total-population effect.
internal_transfer = -40_000 + 40_000
show("Internal restricted-cash transfer control", internal_transfer)

# A foreign lease commencement changes assets and liabilities, not cash.
noncash_lease_commencement = 25_000
show("Lease commencement disclosed as noncash", noncash_lease_commencement)

expected_ending_population = (
    opening_population
    + net_change_before_exchange_effect
    + exchange_rate_effect
)
show("Expected ending population", expected_ending_population)
show("Population difference", expected_ending_population - ending_population)

assert opening_population == 550_000
assert operating_cash_flow == 100_000
assert net_change_before_exchange_effect == 60_000
assert exchange_rate_effect == 10_000
assert internal_transfer == 0
assert expected_ending_population == ending_population == 620_000

print("\nAll arithmetic controls pass. Restriction and rate judgments remain supplied.")