"""Which version of the business plan is being built (October 2026).

Plan A, ~180M THB: the launch plant (1 Duplex system + 1 Classic, every machine) with six cost levers.
Plan B, ~215M THB: the same launch plant with everything in (none of the six levers).
Both are priced without contingency and with the ramp-up reserve
(docs/finance/total-investment.md, "Two plans").

build_plan.py sets PLAN before it calls the content modules' blocks(); call pick() and the
helpers inside blocks(), never at import time.
"""
PLAN = "A"

NAME = {"A": "Plan A", "B": "Plan B"}
PRICE = {"A": "~180M THB", "B": "~215M THB"}


def is_a() -> bool:
    return PLAN == "A"


def is_b() -> bool:
    return PLAN == "B"


def pick(a, b):
    """The Plan A or the Plan B variant of a value, text or list of blocks."""
    return a if PLAN == "A" else b


def name() -> str:
    return NAME[PLAN]


def label() -> str:
    """e.g. 'Plan A (~180M THB)'."""
    return f"{NAME[PLAN]} ({PRICE[PLAN]})"