#!/usr/bin/python3
"""
Configure the z Initial Program Loader (zipl)

Configures `zipl` with a minimal config so it can be used in
the assembler to write the bootmap and bootloader code.
"""

import json
import os
import sys


SCHEMA = """
"additionalProperties": false,
"properties": {
  "timeout": {
    "description": "Boot loader timeout value",
    "type": "number"
  }
}
"""


def main(tree, options):
    timeout = options.get("timeout", 0)
    config = ["[defaultboot]",
              "defaultauto",
              "prompt=1",
              f"timeout={timeout}",
              "target=/boot"]

    new_zipl_conf = "\n".join(config) + "\n"

    os.makedirs(f"{tree}/etc", exist_ok=True)
    with open(f"{tree}/etc/zipl.conf", "w") as f:
        f.write(new_zipl_conf)

    return 0


if __name__ == '__main__':
    args = json.load(sys.stdin)
    r = main(args["tree"], args["options"])
    sys.exit(r)