# -*- coding: utf-8 -*-
"""模板顯示欄位 -> 實際函式參數的對照。

用途：判斷一個 query 模板是否真的把某個參數「講出來」了。
若題目沒提到，該參數就不應出現在 answer（system prompt 明令不得臆測參數值）。
"""

ALIAS = {
    "twse_quote_lookup": {"name": "symbol"},
    "stock_trade_cost": {"lots": "shares", "side_zh": "side", "dt_zh": "day_trade",
                         "disc_zh": "discount"},
    "margin_trading_calc": {"lots": "shares", "pct": "financing_ratio"},
    "price_limit_range": {},
    "securities_transaction_tax": {"type_zh": "security_type", "amt_wan": "amount",
                                   "dt_zh": "day_trade"},
    "income_tax_estimate": {"wan": "annual_income", "fs_zh": "filing_status",
                            "dt_zh": "deduction_type"},
    "dividend_tax_compare": {"dw": "dividend_amount", "ow": "other_income",
                             "fs_zh": "filing_status"},
    "house_land_capital_gains_tax": {"gw": "gain", "su_zh": "self_use"},
    "estate_tax_calc": {"gw": "gross_estate", "sp_zh": "spouse"},
    "gift_tax_calc": {"gw": "gift_amount"},
    "labor_insurance_annuity": {"off_zh": "claim_age_offset"},
    "labor_pension_fund_projection": {"self_pct": "self_contribution_rate",
                                      "ret_pct": "annual_return"},
    "nhi_supplementary_premium": {"type_zh": "income_type", "wan": "amount"},
    "mortgage_amortization": {"wan": "principal", "m_zh": "method",
                              "g_zh": "grace_period_years"},
    "time_deposit_interest": {"wan": "principal", "c_zh": "compounding",
                              "i_zh": "interest_type"},
    "credit_card_revolving_interest": {"wan": "balance"},
    "deposit_insurance_coverage": {"nw": "ntd_deposit", "fw": "fx_deposit_twd_equiv"},
    "etf_dividend_yield": {"name": "symbol", "freq_zh": "frequency"},
    "regular_investment_projection": {"name": "symbol", "ret_pct": "annual_return"},
    "expense_ratio_drag": {"wan": "principal", "ter_pct": "expense_ratio",
                           "gr_pct": "gross_annual_return"},
    "fx_rate_lookup": {"cz": "base_currency", "rt_zh": "rate_type"},
    "foreign_currency_deposit_return": {"cz": "currency", "wan": "amount_twd"},
    "bond_price_from_ytm": {"freq_zh": "coupon_frequency"},
    "cbc_policy_rate_lookup": {"rt_zh": "rate_type"},
    "aml_transaction_screening": {"tt_zh": "transaction_type"},
    "kyc_risk_rating": {"ct_zh": "customer_type", "pep_zh": "is_pep"},
    "taiwan_regulation_lookup": {},
    "credit_capacity_dbr": {"mw": "monthly_income"},
    "jcic_credit_report": {"qp_zh": "query_purpose"},
    "retirement_gap_analysis": {"mw": "monthly_expense_today", "inf_pct": "inflation_rate",
                                "ret_pct": "annual_return"},
    "emergency_fund_target": {"js_zh": "job_stability"},
    "life_insurance_gap": {"iw": "annual_income", "m_zh": "method"},
    "financial_term_explain": {"lv_zh": "audience_level"},
    "license_exam_question_bank": {},
    "market_index_lookup": {"idx_zh": "index_name", "fields_zh": "fields"},
}


def covered_args(tool_name, placeholders, arg_keys):
    """回傳模板實際「提到」的參數集合。"""
    a = ALIAS.get(tool_name, {})
    out = set()
    for p in placeholders:
        if p in arg_keys:
            out.add(p)
        elif p in a:
            out.add(a[p])
    return out


# 模板以散文帶到、但沒有用 placeholder 表達的參數，需強制保留。
KEEP = {
    ("labor_pension_fund_projection", 0): {"employer_rate"},   # 「雇主提 6%」
    ("taiwan_regulation_lookup", 0): {"include_amendments"},   # 「含修正沿革」
    ("financial_term_explain", 1): {"language"},               # 「麻煩用繁體中文」
}