#!/usr/bin/env bash
# mpop installer — https://mpop.dev/install
# Usage: curl -fsSL mpop.dev/install | bash

set -euo pipefail

VERSION="0.0.1"
REPO="meshpop/meshpop"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
DIM='\033[2m'
BOLD='\033[1m'
NC='\033[0m'

info()  { echo -e "${BLUE}==>${NC} ${BOLD}$1${NC}"; }
ok()    { echo -e "${GREEN}✓${NC} $1"; }
err()   { echo -e "${RED}✗${NC} $1" >&2; }

echo ""
echo -e "${BOLD}  mpop${NC} — Unified Server Fleet Management"
echo -e "  ${DIM}https://mpop.dev${NC}"
echo ""

# Detect OS & arch
OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)

case "$ARCH" in
  x86_64|amd64)  ARCH="amd64" ;;
  aarch64|arm64) ARCH="arm64" ;;
  *)             err "Unsupported architecture: $ARCH"; exit 1 ;;
esac

case "$OS" in
  linux)  PLATFORM="linux" ;;
  darwin) PLATFORM="darwin" ;;
  *)      err "Unsupported OS: $OS"; exit 1 ;;
esac

info "Detected ${PLATFORM}/${ARCH}"

# Install via pip (Python package)
if command -v pip3 &>/dev/null || command -v pip &>/dev/null; then
  PIP=$(command -v pip3 || command -v pip)
  info "Installing meshpop via pip..."
  $PIP install --upgrade meshpop 2>/dev/null || $PIP install --upgrade --break-system-packages meshpop
  ok "meshpop installed"
elif command -v python3 &>/dev/null; then
  info "Installing meshpop via python3 -m pip..."
  python3 -m pip install --upgrade meshpop 2>/dev/null || python3 -m pip install --upgrade --break-system-packages meshpop
  ok "meshpop installed"
else
  err "Python/pip not found. Please install Python 3.9+ first."
  echo "  Ubuntu:  sudo apt install python3-pip"
  echo "  macOS:   brew install python3"
  exit 1
fi

# Verify
if command -v mpop &>/dev/null; then
  echo ""
  ok "mpop $(mpop --version 2>/dev/null || echo $VERSION) is ready!"
  echo ""
  echo -e "  ${BOLD}Quick start:${NC}"
  echo -e "    ${DIM}\$${NC} mpop dashboard      ${DIM}# view all servers${NC}"
  echo -e "    ${DIM}\$${NC} mpop exec hostname   ${DIM}# run on all servers${NC}"
  echo -e "    ${DIM}\$${NC} mpop security        ${DIM}# security audit${NC}"
  echo ""
  echo -e "  ${DIM}Docs: https://mpop.dev/docs${NC}"
  echo -e "  ${DIM}GitHub: https://github.com/${REPO}${NC}"
  echo ""
else
  echo ""
  ok "meshpop package installed. You may need to add ~/.local/bin to PATH:"
  echo '  export PATH="$HOME/.local/bin:$PATH"'
  echo ""
fi