#!/bin/sh
# MeshInfer node installer, https://meshinfer.app
# Clones the public MESHINFER-node repository and installs the daemon
# into ~/.meshinfer. Linux and macOS; for Windows follow the repo README.
set -eu

REPO_URL="https://git.154.83.149.72.nip.io/normar00/MESHINFER-node.git"
MESHINFER_HOME="${MESHINFER_HOME:-$HOME/.meshinfer}"
SRC_DIR="$MESHINFER_HOME/src"
VENV_DIR="$MESHINFER_HOME/venv"
BIN_DIR="${MESHINFER_BIN:-$HOME/.local/bin}"

say() { printf '%s\n' "$*"; }
fail() { printf 'error: %s\n' "$*" >&2; exit 1; }

say ''
say 'MeshInfer node installer'
say '========================'

case "$(uname -s 2>/dev/null || echo unknown)" in
  Linux | Darwin) ;;
  *) fail "this installer supports Linux and macOS. On Windows follow the README: $REPO_URL" ;;
esac

command -v git >/dev/null 2>&1 || fail 'git is required'

# The daemon pins Python >=3.11,<3.12
PY=''
for cand in python3.11 python3 python; do
  command -v "$cand" >/dev/null 2>&1 || continue
  if "$cand" -c 'import sys; raise SystemExit(0 if sys.version_info[:2] == (3, 11) else 1)' 2>/dev/null; then
    PY="$cand"
    break
  fi
done
[ -n "$PY" ] || fail 'Python 3.11 is required (the daemon pins >=3.11,<3.12). Install it and re-run.'

say "-> fetching source into $SRC_DIR"
if [ -d "$SRC_DIR/.git" ]; then
  git -C "$SRC_DIR" pull --ff-only
else
  mkdir -p "$MESHINFER_HOME"
  git clone --depth 1 "$REPO_URL" "$SRC_DIR"
fi

say '-> creating the Python environment'
"$PY" -m venv "$VENV_DIR"
"$VENV_DIR/bin/python" -m pip install --quiet --upgrade pip

say '-> installing the meshinfer daemon (local inference build can take a few minutes)'
if ! "$VENV_DIR/bin/python" -m pip install --quiet -e "$SRC_DIR/daemon[inference]"; then
  say '   local inference extra failed to build, installing the base daemon instead'
  "$VENV_DIR/bin/python" -m pip install --quiet -e "$SRC_DIR/daemon"
fi

say '-> linking the meshinfer command'
mkdir -p "$BIN_DIR"
cat >"$BIN_DIR/meshinfer" <<WRAP
#!/bin/sh
exec "$VENV_DIR/bin/meshinfer" "\$@"
WRAP
chmod +x "$BIN_DIR/meshinfer"

say ''
say 'Installed. Next steps:'
say "  1. $BIN_DIR/meshinfer keys create"
say "  2. $BIN_DIR/meshinfer serve $SRC_DIR/daemon/configs/example.yaml"
say "     (copy configs/example.yaml and edit name, pricing and models for a custom node)"
case ":$PATH:" in
  *":$BIN_DIR:"*) ;;
  *)
    say ''
    say "note: add $BIN_DIR to PATH to call plain 'meshinfer'"
    ;;
esac
say ''
say 'Registry and MESH settlement run on Solana devnet. Updates: https://x.com/MESHINFER'