"""Reinstall myclaude from the local repo."""

import subprocess
import sys
from pathlib import Path

import click
from rich.console import Console

from bin.project_root import get_myclaude_project_root

console = Console()
stderr_console = Console(stderr=True)


def _run_make_install(root: Path) -> int:
    return subprocess.run(
        ["make", "install"],
        cwd=str(root),
        check=False,
    ).returncode


def _run_pip_editable(root: Path) -> int:
    cmd = [sys.executable, "-m", "pip", "install", "-e", str(root)]
    return subprocess.run(cmd, check=False).returncode


@click.command("update")
def update_cmd() -> None:
    """Reinstall myclaude from this repository (make install, or pip install -e)."""
    root = get_myclaude_project_root()
    fallback = Path.home() / ".myclaude"
    if root == fallback:
        stderr_console.print(
            "[red]Not inside myclaude repo.[/red] Set [cyan]MYCLAUDE_PROJECT_ROOT[/cyan] "
            "or run from the clone.",
        )
        raise SystemExit(1)

    console.print("[bold cyan]Updating myclaude…[/bold cyan]")
    makefile = root / "Makefile"
    if makefile.is_file():
        rc = _run_make_install(root)
        if rc != 0:
            console.print(
                "[yellow]make install failed, trying pip -e…[/yellow]"
            )
            rc = _run_pip_editable(root)
    else:
        rc = _run_pip_editable(root)

    if rc != 0:
        stderr_console.print("[red]Update failed.[/red]")
        raise SystemExit(rc)
    console.print("[green]myclaude updated.[/green]")