src/config.py

# src/config.py
from __future__ import annotations
"""Global configuration for AI E-Consult V2.

- Provider metadata (demo-only)
- CPT demo rates/descriptors
- Canonical paths (via src.paths)
- Deterministic export filenames
"""

from dataclasses import dataclass
from typing import Dict, Any
from pathlib import Path
from datetime import datetime, timezone

from . import paths

APP_NAME: str = "AI E-Consult V2"
SCHEMA_VERSION: int = 2

# Demo-only provider block (for note header and 837 claim previews)
PROVIDER: Dict[str, str] = {
    "provider_name": "Example Medical Group, Demo Only",
    "npi": "1999999999",
    "tin": "12-3456789",
    "address_line1": "123 Demo Way",
    "address_line2": "Suite 100",
    "city": "Sampleville",
    "state": "CA",
    "zip": "94000",
    "phone": "555-123-4567",
}

# CPT demo rates and descriptors
CPT: Dict[str, Dict[str, Any]] = {
    "99446": {"rate": 35, "descriptor": "Interprofessional consult; 5–10 min"},
    "99447": {"rate": 55, "descriptor": "Interprofessional consult; 11–20 min"},
    "99448": {"rate": 85, "descriptor": "Interprofessional consult; 21–30 min"},
    "99449": {"rate": 110, "descriptor": "Interprofessional consult; ≥ 31 min"},
    "99451": {"rate": 37, "descriptor": "Written report ≥ 5 min"},
}

def utc_timestamp() -> str:
    """Return an ISO8601-ish UTC timestamp for filenames, e.g., 20250110T142355Z."""
    return datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")

def paths_dict() -> Dict[str, str]:
    """Expose canonical project paths resolved for the current runtime."""
    return {
        "base_dir": str(paths.base_dir()),
        "guidelines_dir": str(paths.guidelines_dir()),
        "faiss_index_dir": str(paths.faiss_index_dir()),
        "cases_dir": str(paths.cases_dir()),
        "exports_dir": str(paths.exports_dir()),
        "audit_dir": str(paths.audit_dir()),
        "hf_cache_dir": str(paths.hf_cache_dir()),
    }

def make_export_path(case_id: str, artifact_filename: str) -> Path:
    """Build deterministic export path: EC-{id}_{timestamp}_{artifact}.ext"""
    ts = utc_timestamp()
    out_dir = paths.exports_dir()
    out_dir.mkdir(parents=True, exist_ok=True)
    return out_dir / f"EC-{case_id}_{ts}_{artifact_filename}"