"""Project registry — the §22 multi-project layer.

A deployment hosts one or more projects (§22.1). The git registry mirror
that lets a deployment declare projects lands in M3 and drives this module.
`seed_default_project` (the §22.13 META_REPO backfill) is retired in M3;
the registry mirror (`registry.refresh_registry`) is authoritative.
"""
from __future__ import annotations

from . import db
from .config import Config

DEFAULT_PROJECT_ID = "default"


def resolved_default_id(config: Config) -> str:
    """The id of the deployment's bootstrap/default project. Plan A: always
    'default' (the re-stamp to a config slug rides Plan B). The config knob is
    read here so Plan B can flip the resolution without touching call sites."""
    return config.default_project_id.strip() or DEFAULT_PROJECT_ID


def default_content_repo(config: Config) -> str | None:
    """The content repo the single-corpus mirror reads, from the default
    project's row (filled by the registry mirror). Replaces the retired
    META_REPO. None until the registry mirror has run."""
    row = db.conn().execute(
        "SELECT content_repo FROM projects WHERE id = ?",
        (resolved_default_id(config),),
    ).fetchone()
    return row["content_repo"] if row and row["content_repo"] else None


def project_initial_state(project_id: str) -> str:
    """§22.4b landing state for new entries in a project. Defaults to
    'super-draft' for an unknown/unset row (the safe, today's-flow default)."""
    row = db.conn().execute(
        "SELECT initial_state FROM projects WHERE id = ?", (project_id,)
    ).fetchone()
    if row is None or not row["initial_state"]:
        return "super-draft"
    return row["initial_state"]