"""
Pre-built employment series IDs — ready to pass to BLSClient.fetch().

All functions return a single series ID string or a dict of {label: series_id}.
"""

from ..series import laus_state, laus_msa, ces_national, ces_state, jolts

# ---------------------------------------------------------------------------
# National employment
# ---------------------------------------------------------------------------
def nonfarm_payrolls(seasonal: bool = True) -> str:
    """Total nonfarm payroll employment (CES). The headline monthly jobs number."""
    return ces_national("total_nonfarm", "employees", seasonal)


def private_payrolls(seasonal: bool = True) -> str:
    """Total private sector payroll employment."""
    return ces_national("total_private", "employees", seasonal)


def government_employment(seasonal: bool = True) -> str:
    """Total government employment (federal + state + local)."""
    return ces_national("government", "employees", seasonal)


def manufacturing_employment(seasonal: bool = True) -> str:
    return ces_national("manufacturing", "employees", seasonal)


def national_unemployment_rate(seasonal: bool = True) -> str:
    """National unemployment rate from the CPS (U-3 rate)."""
    return "LNS14000000" if seasonal else "LNU04000000"


def national_labor_force_participation(seasonal: bool = True) -> str:
    """National labor force participation rate."""
    return "LNS11300000" if seasonal else "LNU01300000"


# ---------------------------------------------------------------------------
# LAUS — state unemployment
# ---------------------------------------------------------------------------
def dc_unemployment_rate(seasonal: bool = False) -> str:
    return laus_state(11, "rate", seasonal)


def md_unemployment_rate(seasonal: bool = False) -> str:
    return laus_state(24, "rate", seasonal)


def va_unemployment_rate(seasonal: bool = False) -> str:
    return laus_state(51, "rate", seasonal)


def state_unemployment(state_fips: int, seasonal: bool = False) -> dict:
    """All four LAUS measures for a state."""
    return {
        "rate":       laus_state(state_fips, "rate",       seasonal),
        "unemployed": laus_state(state_fips, "unemployed", seasonal),
        "employed":   laus_state(state_fips, "employed",   seasonal),
        "laborforce": laus_state(state_fips, "laborforce", seasonal),
    }


def dc_region_unemployment() -> dict:
    """Unemployment rates for DC, MD, VA states + DC Metro, Baltimore, Richmond MSAs."""
    return {
        "DC State":     laus_state(11, "rate"),
        "Maryland":     laus_state(24, "rate"),
        "Virginia":     laus_state(51, "rate"),
        "DC Metro MSA": laus_msa(11, 47900, "rate"),
        "Baltimore MSA":laus_msa(24, 12580, "rate"),
        "Richmond MSA": laus_msa(51, 40060, "rate"),
    }


# ---------------------------------------------------------------------------
# JOLTS
# ---------------------------------------------------------------------------
def job_openings_level(seasonal: bool = True) -> str:
    return jolts("job_openings", "L", seasonal=seasonal)


def job_openings_rate(seasonal: bool = True) -> str:
    return jolts("job_openings", "R", seasonal=seasonal)


def quits_level(seasonal: bool = True) -> str:
    return jolts("quits", "L", seasonal=seasonal)


def hires_level(seasonal: bool = True) -> str:
    return jolts("hires", "L", seasonal=seasonal)


def layoffs_level(seasonal: bool = True) -> str:
    return jolts("layoffs", "L", seasonal=seasonal)


def jolts_dashboard() -> dict:
    """All five JOLTS measures (levels, SA) as a labeled dict."""
    return {
        "Job Openings":      job_openings_level(),
        "Hires":             hires_level(),
        "Quits":             quits_level(),
        "Layoffs":           layoffs_level(),
        "Total Separations": jolts("total_separations", "L"),
    }


# ---------------------------------------------------------------------------
# QCEW
# ---------------------------------------------------------------------------
def qcew_national_private() -> str:
    """QCEW — national, private sector, all industries, quarterly."""
    return "ENU0000010510000"


def qcew_dc_private() -> str:
    """QCEW — DC, private sector, all industries."""
    return "ENU1100010510000"


def qcew_state(state_fips: int, ownership: str = "5") -> str:
    """
    QCEW state-level series.

    Args:
        state_fips: 2-digit FIPS
        ownership:  "0"=all, "5"=private, "1"=federal, "2"=state, "3"=local
    """
    return f"ENU{state_fips:02d}0001{ownership}10000"