#!/usr/bin/env bash
# Shared helpers for scripts/ci/*.sh. Everything here is plain bash so the same script
# runs identically on a developer's machine and on a bare CI runner.
set -euo pipefail

log() {
  echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*"
}

fail() {
  echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] ERROR: $*" >&2
  exit 1
}

# Repo root, regardless of the caller's cwd.
CI_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"

# Prepends a locally installed .NET SDK to PATH when `dotnet` is missing, so a runner
# with no SDK preinstalled behaves the same as a dev machine.
ensure_dotnet() {
  if command -v dotnet > /dev/null 2>&1; then
    return 0
  fi

  local install_dir="$CI_ROOT/.dotnet"
  if [[ ! -x "$install_dir/dotnet" ]]; then
    log "dotnet not found on PATH; installing the .NET SDK"
    curl -fsSL https://dot.net/v1/dotnet-install.sh -o "/tmp/dotnet-install.sh"
    bash "/tmp/dotnet-install.sh" --channel STS --install-dir "$install_dir"
    rm -f "/tmp/dotnet-install.sh"
  fi
  export PATH="$install_dir:$PATH"
  export DOTNET_ROOT="$install_dir"
}

ensure_node() {
  command -v npm > /dev/null 2>&1 || fail "npm not found on PATH; install Node.js to build the web client"
}