#!/usr/bin/env bash
# ===========================================================================
#  Stage 00: Environment Checks
#  Verifies we can proceed: distro detected, sudo available, dirs exist.
#  Distro detection is handled by lib/distro.sh (sourced by provision.sh).
# ===========================================================================

info "Distribution: ${DISTRO_ID} ${DISTRO_VERSION} (${DISTRO_FAMILY} family)"
info "Package manager: ${PKG_MGR}"

# ---- Sudo access ----
info "Checking sudo access..."
if ! sudo -n true 2>/dev/null; then
  info "Sudo access required. You may be prompted for your password."
  sudo -v || { error "Sudo required for provisioning."; exit 1; }
fi
ok "Sudo access confirmed."

# Keep sudo timestamp fresh
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

# ---- Directory structure ----
info "Setting up directory structure..."
mkdir -p "$HOME/Development" "$HOME/.local/bin" "$HOME/.config" "$HOME/.local/share"
ok "Directory structure ready."

# ---- Internet check ----
info "Checking internet connectivity..."
if ! ping -c 1 -W 3 google.com &>/dev/null && ! ping -c 1 -W 3 github.com &>/dev/null; then
  warn "No internet detected. Some steps may fail."
else
  ok "Internet connectivity confirmed."
fi

# ---- Package cache update (first time) ----
info "Updating package cache (first run)..."
$PKG_UPDATE 2>/dev/null || warn "Package cache update had issues."

# ---- System upgrade ----
info "Upgrading all system packages..."
$PKG_UPGRADE 2>/dev/null || warn "System upgrade had issues (this is okay on a fresh install)."

ok "Stage 00 complete."