#!/bin/sh
# Lattice Normalize — offline edition installer for macOS.
#   curl -fsSL https://teamlattice.ai/normalize/install.sh | sh
# Downloads one file, checks its SHA-256, installs to ~/.lattice/bin.
# Your data never goes anywhere; this script only downloads the program.
set -eu

BASE="${LATTICE_NORMALIZE_BASE:-https://teamlattice.ai/normalize/dl}"
DEST="${LATTICE_NORMALIZE_BIN:-$HOME/.lattice/bin}"

case "$(uname -s)" in
  Darwin) ;;
  *) echo "This installer is for macOS. On Windows use install.ps1 (see teamlattice.ai/normalize)." >&2; exit 1 ;;
esac
case "$(uname -m)" in
  arm64) FILE="lattice-normalize-macos-arm64" ;;
  x86_64) FILE="lattice-normalize-macos-x64" ;;
  *) echo "Unsupported Mac CPU: $(uname -m)" >&2; exit 1 ;;
esac

TMP="$(mktemp -d)"
trap 'rm -rf "$TMP"' EXIT
echo "Downloading $FILE ..."
curl -fsSL "$BASE/$FILE" -o "$TMP/$FILE"
curl -fsSL "$BASE/SHA256SUMS" -o "$TMP/SHA256SUMS"

WANT="$(grep "  $FILE\$" "$TMP/SHA256SUMS" | cut -d' ' -f1)"
GOT="$(shasum -a 256 "$TMP/$FILE" | cut -d' ' -f1)"
if [ -z "$WANT" ] || [ "$WANT" != "$GOT" ]; then
  echo "Checksum mismatch — not installing." >&2
  exit 1
fi

mkdir -p "$DEST"
mv "$TMP/$FILE" "$DEST/lattice-normalize"
chmod 755 "$DEST/lattice-normalize"
xattr -d com.apple.quarantine "$DEST/lattice-normalize" 2>/dev/null || true
# Apple Silicon only runs signed code; an ad-hoc signature made on this Mac is enough.
codesign --force --sign - "$DEST/lattice-normalize" >/dev/null 2>&1 || true

case ":$PATH:" in
  *":$DEST:"*) ;;
  *)
    for rc in "$HOME/.zshrc" "$HOME/.bash_profile"; do
      if [ -f "$rc" ] || [ "$rc" = "$HOME/.zshrc" ]; then
        grep -qs 'lattice/bin' "$rc" || printf '\nexport PATH="$HOME/.lattice/bin:$PATH"\n' >> "$rc"
      fi
    done
    echo "Added ~/.lattice/bin to your PATH (open a new terminal window to use it)."
    ;;
esac

echo "Installed: $DEST/lattice-normalize ($("$DEST/lattice-normalize" version))"
echo ""
echo "Next:"
echo "  lattice-normalize setup"
echo "  lattice-normalize activate <your lic_ key>"
echo "  lattice-normalize watch      # then drop files in ~/Lattice Normalize/Inbox"