"""
非遗资产估值计算引擎包。
提供各类计算器，并通过懒加载避免循环依赖。
"""
from importlib import import_module
from typing import Any

__version__ = "1.0.0"
__author__ = "Assessment Team"

__all__ = [
    "EconomicValueB1Calculator",
    "BasicValueB11Calculator",
    "TrafficFactorB12Calculator",
    "PolicyMultiplierB13Calculator",
    "CulturalValueB2Calculator",
    "LivingHeritageB21Calculator",
    "PatternGeneB22Calculator",
    "RiskAdjustmentB3Calculator",
    "MarketValueCCalculator",
    "MarketBiddingC1Calculator",
    "HeatCoefficientC2Calculator",
    "ScarcityMultiplierC3Calculator",
    "TemporalDecayC4Calculator",
    "FinalValueACalculator",
]

_EXPORT_MAP = {
    "EconomicValueB1Calculator": "app.utils.calculation_engine.economic_value_b1",
    "BasicValueB11Calculator": "app.utils.calculation_engine.economic_value_b1.sub_formulas.basic_value_b11",
    "TrafficFactorB12Calculator": "app.utils.calculation_engine.economic_value_b1.sub_formulas.traffic_factor_b12",
    "PolicyMultiplierB13Calculator": "app.utils.calculation_engine.economic_value_b1.sub_formulas.policy_multiplier_b13",
    "CulturalValueB2Calculator": "app.utils.calculation_engine.cultural_value_b2.cultural_value_b2",
    "LivingHeritageB21Calculator": "app.utils.calculation_engine.cultural_value_b2.sub_formulas.living_heritage_b21",
    "PatternGeneB22Calculator": "app.utils.calculation_engine.cultural_value_b2.sub_formulas.pattern_gene_b22",
    "RiskAdjustmentB3Calculator": "app.utils.calculation_engine.risk_adjustment_b3.sub_formulas.risk_adjustment_b3",
    "MarketValueCCalculator": "app.utils.calculation_engine.market_value_c.market_value_c",
    "MarketBiddingC1Calculator": "app.utils.calculation_engine.market_value_c.sub_formulas.market_bidding_c1",
    "HeatCoefficientC2Calculator": "app.utils.calculation_engine.market_value_c.sub_formulas.heat_coefficient_c2",
    "ScarcityMultiplierC3Calculator": "app.utils.calculation_engine.market_value_c.sub_formulas.scarcity_multiplier_c3",
    "TemporalDecayC4Calculator": "app.utils.calculation_engine.market_value_c.sub_formulas.temporal_decay_c4",
    "FinalValueACalculator": "app.utils.calculation_engine.final_value_ab.final_value_a",
}


def __getattr__(name: str) -> Any:
    module_path = _EXPORT_MAP.get(name)
    if not module_path:
        raise AttributeError(f"module {__name__} has no attribute {name}")
    module = import_module(module_path)
    attr = getattr(module, name)
    globals()[name] = attr
    return attr