import os
import sys
import subprocess
from huggingface_hub import snapshot_download

REVISION = os.environ.get("VNEWS_RESTORE_REVISION", "bcaa2dc")
REPO_ID = os.environ.get("VNEWS_REPO_ID", "bep40/vnews")

# Download exact Space snapshot from Hugging Face Hub.
# This avoids manually copying huge files from an old commit.
snapshot_dir = snapshot_download(
    repo_id=REPO_ID,
    repo_type="space",
    revision=REVISION,
    local_dir="/tmp/vnews_restore",
    local_dir_use_symlinks=False,
)

os.chdir(snapshot_dir)
sys.path.insert(0, snapshot_dir)

# Commit bcaa2dc Dockerfile ran ai_patch:app.
cmd = [
    "uvicorn",
    "ai_patch:app",
    "--host",
    "0.0.0.0",
    "--port",
    "7860",
]
os.execvp(cmd[0], cmd)