"""Parser subprocess: no network/storage credentials are inherited by the worker."""
import json
import resource
import sys
from pathlib import Path

# Bound CPU, virtual memory, output size and file descriptors before parsing.
resource.setrlimit(resource.RLIMIT_AS, (768 * 1024**2, 768 * 1024**2))
resource.setrlimit(resource.RLIMIT_CPU, (60, 60))
resource.setrlimit(resource.RLIMIT_FSIZE, (128 * 1024**2, 128 * 1024**2))
resource.setrlimit(resource.RLIMIT_NOFILE, (64, 64))
from .documents import parse_document
from .parser.record_decoder import ParseError
from .render import svg_document

def run():
    source, destination, filename, identifier = sys.argv[1:]
    dest = Path(destination)
    try:
        doc = parse_document(Path(source).read_bytes(), filename, identifier)
        (dest / 'data.json').write_text(doc.model_dump_json(), encoding='utf-8')
        (dest / 'drawing.svg').write_bytes(svg_document(doc))
        result = {'ok': True, 'summary': {'schema_version': doc.schema_version,
                  'compatibility': doc.metadata['compatibility'],
                  'record_count': doc.metadata['record_count'], 'primitive_count': len(doc.primitives),
                  'component_count': len(doc.components),
                  'diagnostics': [d.model_dump() for d in doc.diagnostics]}}
    except (ParseError, ValueError) as exc:
        result = {'ok': False, 'code': 'invalid_schematic', 'message': str(exc)[:500]}
    except Exception:
        result = {'ok': False, 'code': 'parser_error', 'message': 'The parser could not process this schematic'}
    (dest / 'result.json').write_text(json.dumps(result), encoding='utf-8')

if __name__ == '__main__': run()