#!/usr/bin/env python3
"""
Export JSON Schemas for the core domain models.

Usage:
    python scripts/export_schemas.py

Output:
    schemas/event-envelope.json
    schemas/activity-definition.json

Run this whenever models.py changes.
"""

import json
from pathlib import Path

from activity_core.models import ActivityDefinition, EventEnvelope

SCHEMAS_DIR = Path(__file__).parent.parent / "schemas"
SCHEMAS_DIR.mkdir(exist_ok=True)


def export(model, filename: str) -> None:
    schema = model.model_json_schema()
    path = SCHEMAS_DIR / filename
    path.write_text(json.dumps(schema, indent=2))
    print(f"  wrote {path.relative_to(Path.cwd())}")


if __name__ == "__main__":
    print("Exporting JSON schemas...")
    export(EventEnvelope, "event-envelope.json")
    export(ActivityDefinition, "activity-definition.json")
    print("Done.")