"""Zellij integration: binary resolution, plugin path, session name, cache."""

import shutil
from pathlib import Path

# Plugin path for zellij-send-keys
ZELLIJ_PLUGIN = Path.home() / ".config" / "zellij" / "plugins" / "zellij-send-keys.wasm"


def _resolve_zellij_bin():
    """Resolve zellij binary even when PATH is minimal (eg launchctl)."""
    from_path = shutil.which("zellij")
    if from_path:
        return from_path

    common_paths = (
        "/opt/homebrew/bin/zellij",  # Apple Silicon Homebrew
        "/usr/local/bin/zellij",     # Intel Homebrew
        "/usr/bin/zellij",
    )
    for candidate in common_paths:
        p = Path(candidate)
        if p.exists() and p.is_file():
            return str(p)
    return "zellij"  # Fallback for explicit error reporting by subprocess


ZELLIJ_BIN = _resolve_zellij_bin()

# Default Zellij session for spawning
ZELLIJ_SESSION = 'infra'

# Cache for Zellij session list (avoid calling zellij on every request)
_zellij_cache = {"sessions": None, "expires": 0}