"""Launch the frozen v2 inversion through the clean evidence bootstrap."""
from __future__ import annotations

import argparse
import os
from pathlib import Path
import subprocess
import sys


def parser() -> argparse.ArgumentParser:
    result = argparse.ArgumentParser(description=__doc__)
    for option in (
        "config",
        "snapshot",
        "base-manifest",
        "diffusers-root",
        "phase0-artifacts",
        "v1-source-root",
        "v1-config",
        "v1-output-root",
        "output-root",
    ):
        result.add_argument(f"--{option}", type=Path, required=True)
    result.add_argument("--project-root", type=Path)
    return result


def main() -> int:
    args = parser().parse_args()
    config = args.config.expanduser().resolve(strict=True)
    project_root = (
        args.project_root.expanduser().resolve(strict=True)
        if args.project_root is not None
        else config.parent.parent.resolve(strict=True)
    )
    diffusers_root = args.diffusers_root.expanduser().resolve(strict=True)
    launcher = project_root / "scripts" / "evidence_bootstrap.py"
    values = {
        "project-root": project_root,
        "config": config,
        "snapshot": args.snapshot.expanduser().resolve(strict=True),
        "base-manifest": args.base_manifest.expanduser().resolve(strict=True),
        "diffusers-root": diffusers_root,
        "phase0-artifacts": args.phase0_artifacts.expanduser().resolve(strict=True),
        "v1-source-root": args.v1_source_root.expanduser().resolve(strict=True),
        "v1-config": args.v1_config.expanduser().resolve(strict=True),
        "v1-output-root": args.v1_output_root.expanduser().resolve(strict=True),
        "output-root": args.output_root.expanduser().absolute(),
    }
    arguments = [
        "_run-inversion-v2",
        *[
            value
            for name, path in values.items()
            for value in (f"--{name}", str(path))
        ],
    ]
    environment = os.environ.copy()
    environment["HF_HUB_OFFLINE"] = "1"
    environment["PYTHONDONTWRITEBYTECODE"] = "1"
    completed = subprocess.run(
        [
            sys.executable,
            "-I",
            "-S",
            "-B",
            str(launcher),
            "--project-root",
            str(project_root),
            "--diffusers-root",
            str(diffusers_root),
            "--",
            *arguments,
        ],
        env=environment,
        check=False,
        text=True,
    )
    return completed.returncode


if __name__ == "__main__":
    raise SystemExit(main())