"""Pure constants for close signals — no app imports, so the seed migration
can import the default task→signal bindings safely.

See :mod:`app.domains.finance.close_signals` for the evaluators.
"""
from __future__ import annotations

SIG_DATA_COMPLETE = "data_complete"
SIG_GL_SYNCED = "gl_synced"
SIG_NS_PERIOD_CLOSED = "ns_period_closed"
SIG_RECON_CLEAN = "recon_clean"
SIG_NO_OPEN_RESTATEMENTS = "no_open_restatements"
SIG_FX_FROZEN = "fx_frozen"
SIG_CLOUD_COST = "cloud_cost_materialized"
SIG_HUILIANYI = "huilianyi_synced"

ALL_SIGNAL_KEYS = (
    SIG_DATA_COMPLETE, SIG_GL_SYNCED, SIG_NS_PERIOD_CLOSED, SIG_RECON_CLEAN,
    SIG_NO_OPEN_RESTATEMENTS, SIG_FX_FROZEN, SIG_CLOUD_COST, SIG_HUILIANYI,
)

# Default task → signal bindings, keyed by template ``source_key``. Curated
# from the checklist: tasks whose completion is gated by a Helix data check.
# Seeded by migration 357 + ensure_seeded; admin-editable afterwards.
DEFAULT_SIGNAL_BINDINGS: dict[str, str] = {
    "ap-16": SIG_RECON_CLEAN,        # Reconciliation of AP / expense / accrual
    "ap-03": SIG_HUILIANYI,          # Navan & offline employee reimbursement entry
    "cogs-03": SIG_GL_SYNCED,        # Post journal entries in Netsuite + reconcile
    "cogs-08": SIG_CLOUD_COST,       # Monthly cloud bill accrual + allocation
    "cogs-09": SIG_CLOUD_COST,       # Prepare/post cloud cost journal entries
    "cogs-10": SIG_RECON_CLEAN,      # Netsuite reconciliation: cloud cost ties out
    "rr-10": SIG_GL_SYNCED,          # Sync Middle Platform Rev Rec to Netsuite
    "rr-11": SIG_RECON_CLEAN,        # Revenue Reconciliation
    "pay-13": SIG_RECON_CLEAN,       # Payroll account reconciliations
    "ic-05": SIG_RECON_CLEAN,        # Intercompany reconciliations
    "tr-06": SIG_RECON_CLEAN,        # Review all bank reconciliations
    "rep-02": SIG_DATA_COMPLETE,     # add new accounts in Netsuite
    "rep-03": SIG_FX_FROZEN,         # Foreign currency revaluation
    "rep-04": SIG_NO_OPEN_RESTATEMENTS,  # Announce soft close
    "rep-08": SIG_DATA_COMPLETE,     # Check key FS report items
}