#!/bin/sh
# Autosana CLI installer.
#
#   curl -fsSL https://get.autosana.ai | sh
#
# Installs uv (a fast, self-contained Python tool manager) if it's missing,
# then installs the Autosana CLI as an isolated tool. Re-running upgrades it.
set -eu

CYAN='\033[1;36m'
RED='\033[1;31m'
DIM='\033[2m'
RESET='\033[0m'

info() { printf "${CYAN}==>${RESET} %s\n" "$1"; }
fail() { printf "${RED}Error:${RESET} %s\n" "$1" >&2; exit 1; }

command -v curl >/dev/null 2>&1 || fail "curl is required but not found."

# 1. Ensure uv. Its installer places uv on PATH (~/.local/bin by default).
if ! command -v uv >/dev/null 2>&1; then
  info "Installing uv (Python tool manager)…"
  curl -LsSf https://astral.sh/uv/install.sh | sh
  # Make uv visible for the rest of this script without a new shell.
  export PATH="${XDG_BIN_HOME:-$HOME/.local/bin}:$HOME/.local/bin:$PATH"
fi
command -v uv >/dev/null 2>&1 || fail "uv install failed — see https://docs.astral.sh/uv/ and re-run."

# 2. Install (or upgrade) the CLI as an isolated tool.
info "Installing the Autosana CLI…"
uv tool install --upgrade autosana

# 3. Confirm + guide.
if command -v autosana >/dev/null 2>&1; then
  info "Installed $(autosana --version 2>/dev/null || echo 'the Autosana CLI')."
else
  info "Installed. Add uv's tool directory to your PATH, then restart your shell:"
  printf "    ${CYAN}uv tool update-shell${RESET}\n"
fi

printf "\n${DIM}Next:${RESET} ${CYAN}autosana doctor${RESET}   ${DIM}# check prerequisites${RESET}\n"
printf "${DIM}Docs:${RESET} https://docs.autosana.ai/local-testing\n"