#!/usr/bin/env bash
# One-shot local installer for the prospector operator app: dependencies, env
# files, database + migrations, and a production build of the API + web panel.
# Idempotent — safe to re-run after a pull.
#
#   scripts/install.sh           full setup
#   scripts/install.sh --launch  setup, then open the app (Chrome PWA window)
#   ./run install                (preferred entrypoint)
#
# Flags / env:
#   --launch        run scripts/app.sh at the end
#   SKIP_DB=1       skip database creation + migrations
#   PSQL=/path      use a specific psql binary
set -euo pipefail

. "$(dirname "${BASH_SOURCE[0]}")/lib.sh"

LAUNCH=0
[[ "${1:-}" == "--launch" ]] && LAUNCH=1

echo -e "${BLUE}prospector${NC} — local installer"
echo ""

# 1. Preflight ────────────────────────────────────────────────────────────────
info "checking prerequisites"
command -v node >/dev/null 2>&1 || die "node not found (need Node 20+). Install: brew install node"
command -v npm  >/dev/null 2>&1 || die "npm not found."
node_major="$(node -p 'process.versions.node.split(".")[0]')"
[[ "$node_major" -ge 20 ]] || warn "Node $(node -v) detected; 20+ recommended."
ok "node $(node -v)"

# 2. Dependencies (root install also covers the web workspace) ─────────────────
info "installing dependencies (root + web workspace)"
( cd "$REPO_ROOT" && npm install )
ok "dependencies installed"

# 3. Env files (create from sane localhost defaults if absent) ─────────────────
if [[ ! -f "$REPO_ROOT/.env.local" ]]; then
  info "creating .env.local (localhost defaults)"
  cat > "$REPO_ROOT/.env.local" <<'ENV'
NODE_ENV=development
PROSPECTOR_API_PORT=3210
PROSPECTOR_DB_HOST=127.0.0.1
PROSPECTOR_DB_PORT=5432
PROSPECTOR_DB_NAME=prospector
PROSPECTOR_DB_USER=postgres
PROSPECTOR_DB_PASSWORD=
PROSPECTOR_DB_SSL=false
PROSPECTOR_DB_POOL_MAX=10
PROSPECTOR_SERVICE_TOKEN=devtoken
PEOPLE_BASE_URL=http://127.0.0.1:3061
PEOPLE_SERVICE_TOKEN=devtoken
MACSYNC_BASE_URL=http://127.0.0.1:9999
MACSYNC_SERVICE_TOKEN=dummy
MACSYNC_DEVICE_ID=dummy
MRNUMBER_BASE_URL=http://127.0.0.1:9999
MRNUMBER_SERVICE_TOKEN=dummy
ENV
  ok "wrote .env.local — review DB credentials before first run"
else
  ok ".env.local present (left untouched)"
fi

if [[ ! -f "$REPO_ROOT/web/.env.local" ]]; then
  info "creating web/.env.local"
  # Keep the panel's proxy token in sync with the API's service token.
  load_env
  cat > "$REPO_ROOT/web/.env.local" <<ENV
PROSPECTOR_API_URL=http://127.0.0.1:${PROSPECTOR_API_PORT:-3210}
PROSPECTOR_SERVICE_TOKEN=${PROSPECTOR_SERVICE_TOKEN:-devtoken}
# Set a passcode to gate the panel before exposing it on the mesh (./run app --host).
# Empty = no gate (safe only for localhost-only use).
PROSPECTOR_PANEL_PASSCODE=
ENV
  ok "wrote web/.env.local"
else
  ok "web/.env.local present (left untouched)"
fi

# 4. Database + migrations ─────────────────────────────────────────────────────
if [[ "${SKIP_DB:-0}" == "1" ]]; then
  warn "SKIP_DB=1 — skipping database setup. Run './run db:migrate' later."
elif [[ -z "$(find_psql)" ]]; then
  warn "psql not found — skipping database setup."
  warn "Install PostgreSQL (brew install postgresql@16 && brew services start postgresql@16),"
  warn "then run './run db:migrate'."
else
  info "setting up database + migrations"
  "$REPO_ROOT/scripts/migrate.sh"
fi

# 5. Build API + web panel ─────────────────────────────────────────────────────
info "building API"
( cd "$REPO_ROOT" && npm run build )
ok "API built → dist/"
info "building web panel"
( cd "$REPO_ROOT/web" && npm run build )
ok "web built → web/dist/"

# 6. Menu-bar tray app ─────────────────────────────────────────────────────────
if [[ "${SKIP_TRAY:-0}" == "1" ]]; then
  warn "SKIP_TRAY=1 — skipping the tray app. Build later with './run tray'."
else
  info "building the menu-bar tray app"
  "$REPO_ROOT/scripts/make-tray.sh" || warn "tray build failed (non-fatal) — retry with './run tray'."
fi

# 7. Claude MCP (agent/coworker interface) ─────────────────────────────────────
if [[ "${SKIP_MCP:-0}" == "1" ]]; then
  warn "SKIP_MCP=1 — skipping Claude MCP registration. Install later with './run install:mcp'."
else
  info "registering the prospector MCP in Claude (Desktop + global)"
  # Non-invasive: don't quit/relaunch Claude here; edits apply on next restart.
  SKIP_QUIT=1 NO_RELAUNCH=1 "$REPO_ROOT/mcp/install-mcp.sh" \
    || warn "MCP registration failed (non-fatal) — retry with './run install:mcp'."
fi

echo ""
ok "install complete."
echo ""
if [[ "$LAUNCH" == "1" ]]; then
  exec "$REPO_ROOT/scripts/app.sh"
else
  echo "Next:"
  echo -e "  ${GREEN}./run app${NC}        launch + open as a Chrome app window"
  echo -e "  open the ${GREEN}Prospector${NC} tray app (~/Applications) for a menu-bar launcher"
  echo -e "  ${GREEN}./run start:dev${NC}  API with watch (then 'npm --prefix web run dev' for the panel)"
fi