#!/usr/bin/env bash
#
# Baylor Family research assistant — one-run setup for macOS.
# Connects your Claude to the family's private search hub.
# Nothing here is secret; you log in with your own family account.
#
set -uo pipefail

HUB_URL="https://mcp.thebaylors.org/mcp"
SERVER_NAME="baylor-search"
CLAUDE_INSTALL="https://claude.ai/install.sh"

bold=$'\033[1m'; grn=$'\033[32m'; ylw=$'\033[33m'; red=$'\033[31m'; dim=$'\033[2m'; rst=$'\033[0m'
say()  { printf "%s\n" "$*"; }
ok()   { printf "%s✓%s %s\n" "$grn" "$rst" "$*"; }
warn() { printf "%s!%s %s\n" "$ylw" "$rst" "$*"; }
err()  { printf "%s✗%s %s\n" "$red" "$rst" "$*"; }
step() { printf "\n%s%s%s\n" "$bold" "$*" "$rst"; }
# read a keypress from the real terminal even when run via `curl | bash`
ask()  { local a; read -r -p "$1 " a </dev/tty 2>/dev/null || a="$2"; echo "${a:-$2}"; }

printf "\n%s┌───────────────────────────────────────────┐%s\n" "$bold" "$rst"
printf   "%s│   Baylor Family — Research Assistant setup │%s\n" "$bold" "$rst"
printf   "%s└───────────────────────────────────────────┘%s\n" "$bold" "$rst"

# 1) sanity: macOS
step "1. Checking your Mac"
if [ "$(uname -s)" != "Darwin" ]; then err "This installer is for macOS only."; exit 1; fi
ok "macOS $(sw_vers -productVersion 2>/dev/null) on $(uname -m)"

# 2) can we reach the hub?
step "2. Checking the family hub is reachable"
code=$(curl -s -o /dev/null -w '%{http_code}' --max-time 12 "$HUB_URL" 2>/dev/null || echo 000)
if [ "$code" = "401" ]; then
  ok "Hub is up (a login will be required — that's expected)."
elif [ "$code" = "000" ]; then
  err "Couldn't reach $HUB_URL. Check your internet connection and try again."; exit 1
else
  warn "Hub responded with HTTP $code (expected 401). Continuing anyway."
fi

# 3) detect existing Claude
step "3. Looking for Claude on this Mac"
HAS_CLI=0; HAS_APP=0
command -v claude >/dev/null 2>&1 && HAS_CLI=1
[ -d "/Applications/Claude.app" ] && HAS_APP=1
[ "$HAS_CLI" = 1 ] && ok "Found Claude Code (command line)."
[ "$HAS_APP" = 1 ] && ok "Found the Claude desktop app."
[ "$HAS_CLI" = 0 ] && [ "$HAS_APP" = 0 ] && warn "No Claude found yet."

configure_cli() {
  step "Connecting Claude Code to the family hub"
  if claude mcp list 2>/dev/null | grep -q "$SERVER_NAME"; then
    ok "Already connected ('$SERVER_NAME' is configured)."
  else
    if claude mcp add --transport http -s user "$SERVER_NAME" "$HUB_URL" 2>/dev/null; then
      ok "Added '$SERVER_NAME'."
    else
      warn "Couldn't add automatically. Run this yourself:"
      say  "    ${dim}claude mcp add --transport http -s user $SERVER_NAME $HUB_URL${rst}"
    fi
  fi
  step "Last step — log in"
  say "Open Claude Code (type ${bold}claude${rst} in a Terminal), then:"
  say "  • A browser window opens → sign in with your ${bold}family account${rst} → Allow."
  say "  • If it says ${dim}\"Needs authentication\"${rst} without opening a browser,"
  say "    type ${bold}/mcp${rst} inside Claude and choose ${bold}$SERVER_NAME${rst} → Authenticate."
  say "Then just ask Claude to search the web — you're done. 🎉"
}

guide_desktop() {
  step "Connecting the Claude desktop app to the family hub"
  printf "%s" "$HUB_URL" | pbcopy 2>/dev/null && ok "Copied the hub address to your clipboard." \
    || warn "Hub address: $HUB_URL"
  open -a "Claude" 2>/dev/null || true
  say "In the Claude app:"
  say "  1. Open ${bold}Settings → Connectors${rst}."
  say "  2. Click ${bold}Add custom connector${rst}."
  say "  3. Paste the address (already copied): ${bold}$HUB_URL${rst}"
  say "  4. Click through → sign in with your ${bold}family account${rst} → Allow."
  say "Then ask Claude to search the web — you're done. 🎉"
}

install_claude_code() {
  step "Installing Claude Code"
  say "This installs Anthropic's official Claude Code (no admin password needed)."
  ans=$(ask "Install it now? [Y/n]" "Y")
  case "$ans" in
    [nN]*) warn "Skipped. You can install later from https://claude.ai/download"; return 1 ;;
  esac
  if curl -fsSL "$CLAUDE_INSTALL" | bash; then
    export PATH="$HOME/.local/bin:$PATH"
    hash -r 2>/dev/null || true
    if command -v claude >/dev/null 2>&1; then ok "Claude Code installed."; return 0
    else warn "Installed, but 'claude' isn't on PATH yet — open a new Terminal and re-run me."; return 1; fi
  fi
  err "Install failed. Try the desktop app instead: https://claude.ai/download"; return 1
}

# 4) act on what we found
if [ "$HAS_CLI" = 1 ]; then
  configure_cli
elif [ "$HAS_APP" = 1 ]; then
  guide_desktop
else
  if install_claude_code; then configure_cli; else
    warn "No Claude client configured. Install the desktop app or Claude Code, then re-run:"
    say  "    ${dim}curl -fsSL https://setup.thebaylors.org | bash${rst}"
    exit 1
  fi
fi

step "Heads up"
say "• You need a family account (ask Dad if you're not sure) to log in."
say "• You need a paid Claude plan for Claude Code; the desktop app works with your Claude plan's connectors."
say ""
ok "Setup complete."