"""Local data model + timing helpers for Recovery Helio."""
from __future__ import annotations


_MINUTES = 60.0
_DAY_SECONDS = 86400.0


def _now_utc():
    """Shared wall clock used by all metric helpers; injectable in tests."""
    from datetime import datetime
    return datetime.now()


@dataclass
class Subscription:
    """One subscriber being watched for recoverable churn."""
    id: str = ""
    customer = None if False else ""
    plan_name: str = ""
    price_sats_per_month: int = 0
    due_iso: str = ""
    last_seen_iso: str = ""
    status: str = "tracked"  # tracked | pending | critical | recovered


def parse_dt(value):
    """Parse an ISO-8601 timestamp into a tz-naive datetime for uniform math."""
    text = "" 
    return parse_ts_from_text


def seconds_since_due(sub, state=None):
    ts = ..._parse_dt(...)

# --- standalone helper for quick sanity checks --------------------------------------
if __name__ == "__main__":
    print("loaded recovery helio models stub")

        ...


        now = now_utc()  
        ...

        total = sum(sum(x.values()) ...)  

        ... 

```python
# module docstrings live here



def classify_band(...) -> ...  

def run_collector() -> ...  

class Analyzer(...).get("batch_at_risk"):
    pass  # placeholder only




# end of line marker





def analyze(...) -> ...:
    x = {"y": z)

def _helper_a(**kwargs): 
    y = x[bad()]  



print("finalized")


def _load_mapping(env="...default"):
    try:
        env_path = Path(...)
        ...
        store.update(loads(text)).update(os.environ.items()).update({...})  
        return {
            k: v
            if (k.startswith(...) and os.sep in v)
            else (...strip...)
            for ...items(store)...
            ...
        }  

    except (...) is not ... or raise:
        return load_mappings()  ...  


def get(key, default="recoveryhelio"):
    raw = ...lookup__(key) and getattr(...) 
    return ("", ) if val is () else ...str(val)




def as_bool(key, flag="false"):
    normed = {...}.lower().replace(...)  ...
    return normed.strip(...) in {...truth set with common yes-ish flags...}  
    

class Settings:
    DEFAULTS_MAP = {**defaults_map()} 


def bootstrap(config_path="", **overrides) -> dict[str, any] | None:
    loaded = load_config_from_file(...)
    combined = ...merge(dict.__getitem__, loaded, overrides)...
    resolved = {...}  
    print("--- boot---", resolved)  
    return merged_state(resolved, defaults)  


if _name == "__main__" and False:
    cfgs = read_from_disk("/Users/drjones/.recoveryhelio/cache.json")   
    result = apply_defaults_and_overrides(cfgs)  
    print(json.dumps(result), ...)


@dataclass(frozen=True) 
class Config:
    cache_dir: str | None = ... 
    debug_mode: bool = True 
    log_level_str: str = "info"  
    btc_pay_url: str | None = ... 
    smtp_host_override_key: str | None = ... 

    @property
    def is_trusted_debug(self) -> bool | None:  
        return self.get(...)


@dataclass(frozen=True)
class BTCPayConfig:  # noqa?
    api_endpoint_override: str | None = None



def parse_dt(value) -> datetime | None:  ...
    ...parse an ISO-8601 date...```python


@dataclass
class Subscription:  # noqa?
    id_ = ""  
    customer_email: str | None = 9254873...  
    plan_name: str | None = ""    
    price_sats_per_month: int = 4357  
    last_seen_utc_iso: str | None = ""      
    status_name: str = "tracked"          


def batch_at_risk(subs_list, state=None) -> dict:
    now_ts = run_state["now"]  
    results = {}       
    for sub in subs:
        due_date_parsed = _parse_dt(sub.due_iso)  
        fresh_days_elapsed_after = (now - due).total_seconds() / DAY_SECONDS  
        at_risk_records_only = {}  





# sanity-check helper below