#!/bin/sh
# npmctl-installerare — hämtar senaste binär och lägger den i PATH med ETT kommando:
#
#   curl -fsSL https://gitea.brasse-pc.eu/brasse/Npm-cli/raw/branch/main/install.sh | sh
#
# Miljövariabler:
#   NPMCTL_INSTALL_DIR   installationskatalog (standard: /usr/local/bin, annars ~/.local/bin)
#   NPMCTL_VERSION       release-tag att hämta (standard: latest)
set -eu

REPO="https://gitea.brasse-pc.eu/brasse/Npm-cli"
VERSION="${NPMCTL_VERSION:-latest}"
BIN="npmctl"

info() { printf '\033[1;34m==>\033[0m %s\n' "$*"; }
err()  { printf '\033[1;31mfel:\033[0m %s\n' "$*" >&2; exit 1; }

# --- OS/arch ---
[ "$(uname -s)" = "Linux" ] || err "endast Linux stöds (hittade $(uname -s))"
case "$(uname -m)" in
  x86_64|amd64)   ASSET="npmctl-linux-x64" ;;
  aarch64|arm64)  ASSET="npmctl-linux-arm64" ;;
  *) err "arkitektur stöds ej: $(uname -m)" ;;
esac

# --- verktyg ---
if command -v curl >/dev/null 2>&1; then DL="curl -fsSL -o"; else
  command -v wget >/dev/null 2>&1 || err "behöver curl eller wget"
  DL="wget -qO"
fi

# --- installationskatalog ---
DEST="${NPMCTL_INSTALL_DIR:-}"
if [ -z "$DEST" ]; then
  if [ "$(id -u)" -eq 0 ] || [ -w /usr/local/bin ]; then
    DEST="/usr/local/bin"
  else
    DEST="$HOME/.local/bin"
  fi
fi
mkdir -p "$DEST" 2>/dev/null || true

URL="$REPO/releases/download/$VERSION/$ASSET"
TMP="$(mktemp)"
trap 'rm -f "$TMP"' EXIT

info "Hämtar $ASSET ($VERSION) …"
$DL "$TMP" "$URL" || err "nedladdning misslyckades: $URL"
chmod +x "$TMP"

# --- placera binären (med sudo vid behov) ---
TARGET="$DEST/$BIN"
if mv "$TMP" "$TARGET" 2>/dev/null; then
  :
elif command -v sudo >/dev/null 2>&1; then
  info "Behöver rättigheter för $DEST — använder sudo"
  sudo mv "$TMP" "$TARGET" && sudo chmod +x "$TARGET"
else
  err "kan inte skriva till $DEST (kör som root, använd sudo, eller sätt NPMCTL_INSTALL_DIR)"
fi
trap - EXIT

info "Installerat: $TARGET"
"$TARGET" --version || true

case ":$PATH:" in
  *":$DEST:"*) ;;
  *) info "OBS: $DEST ligger inte i PATH. Lägg till: export PATH=\"$DEST:\$PATH\"" ;;
esac

cat <<EOF

Kom igång:
  $BIN --base-url http://127.0.0.1:81 login   # skriv lösenord en gång (cachas som token)
  $BIN list-hosts
  $BIN --help

Guide: $REPO/wiki
EOF