"""Optional Hugging Face Space deploy helper.

This script is intentionally minimal because CI may call it directly. If the
optional HF_BUILD_SMALL_HACKATHON_TOKEN secret is missing, it exits cleanly.
"""

import json
import os

TOKEN_ENV_VAR = "HF_BUILD_SMALL_HACKATHON_TOKEN"
DEFAULT_SPACE_ID = "byte-vortex/Myco"
IGNORE_PATTERNS_TEXT = """
.git/*
.github/*
__pycache__/*
**/__pycache__/*
*.pyc
.gradio/*
.cache/*
models/downloads/*
models/**/*.gguf
models/**/*.bin
models/**/*.safetensors
"""


def get_ignore_patterns():
    """Return upload ignore patterns as a list for huggingface_hub."""
    return [str(pattern) for pattern in IGNORE_PATTERNS_TEXT.split()]


def get_hf_token():
    """Return the optional Hugging Face deploy token."""
    return os.environ.get(TOKEN_ENV_VAR, "").strip()


def get_space_id():
    """Return the target Hugging Face Space id."""
    return os.environ.get("HF_SPACE_ID", DEFAULT_SPACE_ID).strip() or DEFAULT_SPACE_ID


def upload_space(token, repo_id):
    """Upload the repository folder to the configured Hugging Face Space."""
    from huggingface_hub import HfApi

    HfApi().upload_folder(
        folder_path=".",
        repo_id=repo_id,
        repo_type="space",
        token=token,
        ignore_patterns=get_ignore_patterns(),
        commit_message="Deploy Myco from CI",
    )


def main():
    """Deploy when a token is configured; otherwise skip without failing."""
    token = get_hf_token()
    if not token:
        print(f"{TOKEN_ENV_VAR} is not configured; skipping Hugging Face Space deployment.")
        return

    repo_id = get_space_id()
    for attempt in range(2):
        try:
            upload_space(token, repo_id)
        except json.JSONDecodeError as error:
            if attempt == 0:
                print("Hugging Face metadata validation returned non-JSON; retrying once.")
                continue
            print(f"Hugging Face metadata validation returned non-JSON again; skipping CI deploy: {error}")
            return
        print(f"Deployed Myco to https://huggingface.co/spaces/{repo_id}")
        return


if __name__ == "__main__":
    main()