# ─────────────────────────────────────────────────────────────
# 📁 PATH: sync.py  (root HF Space repo)
# ─────────────────────────────────────────────────────────────

import os
import sys
import tarfile
from huggingface_hub import HfApi, hf_hub_download

api = HfApi()
repo_id = os.getenv("HF_DATASET")
token = os.getenv("HF_TOKEN")

# File backup utama (semua isi workspace kecuali browser)
FILENAME = "latest_backup.tar.gz"
# File backup browser (chromium binary ~150MB, download sekali saja)
BROWSER_FILENAME = "browser_backup.tar.gz"

def restore():
    try:
        if not repo_id or not token:
            print("Skip Restore: HF_DATASET or HF_TOKEN not set")
            return

        # Restore semua config, memori, & sessions
        print(f"Downloading {FILENAME} from {repo_id}...")
        path = hf_hub_download(
            repo_id=repo_id,
            filename=FILENAME,
            repo_type="dataset",
            token=token
        )
        with tarfile.open(path, "r:gz") as tar:
            tar.extractall(path="/root/.openclaw/")
        print(f"Success: Restored full workspace from {FILENAME}")

    except Exception as e:
        print(f"Restore Note (workspace): {e}")

    try:
        if not repo_id or not token:
            return

        # Restore browser binary (kalau ada)
        print(f"Downloading {BROWSER_FILENAME} from {repo_id}...")
        browser_path = hf_hub_download(
            repo_id=repo_id,
            filename=BROWSER_FILENAME,
            repo_type="dataset",
            token=token
        )
        with tarfile.open(browser_path, "r:gz") as tar:
            tar.extractall(path="/root/.openclaw/")
        print(f"Success: Restored browser from {BROWSER_FILENAME}")

    except Exception as e:
        print(f"Restore Note (browser): {e} — will install fresh if needed")


def backup():
    try:
        if not repo_id or not token:
            print("Skip Backup: HF_DATASET or HF_TOKEN not set")
            return

        # ── Backup 1: SAPU BERSIH seluruh isi workspace KECUALI browser ──
        workspace_dir = "/root/.openclaw/"
        with tarfile.open(FILENAME, "w:gz") as tar:
            if os.path.exists(workspace_dir):
                for item in os.listdir(workspace_dir):
                    # Lewati folder 'browsers' agar backup utama tidak bengkak
                    if item == "browsers": 
                        continue
                    
                    p = os.path.join(workspace_dir, item)
                    arcname = item # Menjaga struktur asli tanpa path root
                    tar.add(p, arcname=arcname)

        api.upload_file(
            path_or_fileobj=FILENAME,
            path_in_repo=FILENAME,
            repo_id=repo_id,
            repo_type="dataset",
            token=token
        )
        print(f"Backup full workspace {FILENAME} Success.")

        # ── Backup 2: browser binary (besar ~150MB, hanya upload kalau belum ada) ──
        browsers_dir = "/root/.openclaw/browsers"
        if os.path.exists(browsers_dir):
            # Cek apakah browser_backup sudah ada di dataset
            try:
                hf_hub_download(
                    repo_id=repo_id,
                    filename=BROWSER_FILENAME,
                    repo_type="dataset",
                    token=token
                )
                print(f"Browser backup already exists in dataset, skipping upload.")
            except Exception:
                # Belum ada, upload sekarang
                print(f"Uploading browser backup (first time, ~150MB)...")
                with tarfile.open(BROWSER_FILENAME, "w:gz") as tar:
                    tar.add(browsers_dir, arcname="browsers")
                api.upload_file(
                    path_or_fileobj=BROWSER_FILENAME,
                    path_in_repo=BROWSER_FILENAME,
                    repo_id=repo_id,
                    repo_type="dataset",
                    token=token
                )
                print(f"Browser backup uploaded successfully.")

    except Exception as e:
        print(f"Backup Error: {e}")


if __name__ == "__main__":
    if len(sys.argv) > 1 and sys.argv[1] == "backup":
        backup()
    else:
        restore()