export-env {
    $env.PJ_HELIX_CONFIG_PATH = $env.NU_POLYJUICE_PATH | path join ".." "helix" "config.toml"
}

# Shared launcher: resolves the helix binary, applies the polyjuice config, and
# prints an OS-appropriate install hint when nothing is found.
def _pj_helix_launch [...rest: string] {
    if (which ^helix | is-not-empty) {
        ^helix -c $env.PJ_HELIX_CONFIG_PATH ...$rest
    } else if (which ^hx | is-not-empty) {
        ^hx -c $env.PJ_HELIX_CONFIG_PATH ...$rest
    } else {
        print "Helix editor not found."
        if (($nu.os-info.name? | default "" | str lowercase) == "windows") {
            print "You can install Helix via `winget install Helix.Helix`"
        } else {
            print "You can install Helix from your package manager."
        }
    }
}

export def hx [...rest: string] { _pj_helix_launch ...$rest }
export def helix [...rest: string] { _pj_helix_launch ...$rest }