import json
from pathlib import Path
import os
import sys
import shutil

REST_PATH = Path("./rest_api").absolute()
PIPELINE_PATH = str(REST_PATH / "pipeline" / "pipeline_empty.haystack-pipeline.yml")
APP_PATH = str(REST_PATH / "application.py")
DOCS_PATH = Path("./docs") / "_src" / "api" / "openapi"

os.environ["PIPELINE_YAML_PATH"] = PIPELINE_PATH

print(f"Loading OpenAPI specs from {APP_PATH} with pipeline at {PIPELINE_PATH}")

sys.path.append(".")
from rest_api.application import get_openapi_specs, haystack_version

# Generate the openapi specs
specs = get_openapi_specs()

# Dump the specs into a JSON file
with open(DOCS_PATH / "openapi.json", "w") as f:
    json.dump(specs, f, indent=4)

# Remove rc versions of the specs from the folder
for specs_file in os.listdir():
    if os.path.isfile(specs_file) and "rc" in specs_file and Path(specs_file).suffix == ".json":
        os.remove(specs_file)

# Add versioned copy
shutil.copy(DOCS_PATH / "openapi.json", DOCS_PATH / f"openapi-{haystack_version}.json")