#!/usr/bin/env python3
import subprocess
import datetime
import pathlib
import sys
import os

# ================= CONFIG =================

SCRIPT_DIR = pathlib.Path(__file__).resolve().parent

SCRIPTS = [
    SCRIPT_DIR / "backup_configs.sh",
    SCRIPT_DIR / "backup_home.sh",
    SCRIPT_DIR / "backup_vms.sh",
]

LOG_DIR = SCRIPT_DIR / "job-runner"

# ==========================================


def timestamp():
    return datetime.datetime.now().strftime("%Y%m%d_%H%M%S")


def safe_name(path):
    return pathlib.Path(path).stem


def run_script(script_path, run_ts):
    name = safe_name(script_path)

    out_file = pathlib.Path(LOG_DIR) / f"{name}_{run_ts}.out"
    err_file = pathlib.Path(LOG_DIR) / f"{name}_{run_ts}.err"

    with open(out_file, "wb") as out, open(err_file, "wb") as err:
        proc = subprocess.Popen(
            ["/bin/bash", str(script_path)],
            stdout=out,
            stderr=err,
            env={
                "PATH": "/usr/sbin:/usr/bin:/bin",
                "LANG": "C",
            },
        )
        return proc.wait()


def main():
    os.makedirs(LOG_DIR, exist_ok=True)

    run_ts = timestamp()

    for script in SCRIPTS:
        if not os.path.isfile(script) or not os.access(script, os.X_OK):
            print(f"ERROR: Script not executable: {script}", file=sys.stderr)
            sys.exit(1)

        rc = run_script(script, run_ts)
        if rc != 0:
            print(f"ERROR: {script} failed with exit code {rc}", file=sys.stderr)
            sys.exit(rc)

    sys.exit(0)


if __name__ == "__main__":
    main()