#!/usr/bin/env bash
# Download and vendor libraries into vendor/.
# Run from the project root after updating the VERSION variables below.
set -euo pipefail

# ---- Library versions ----
ACME_VERSION="3.1.3"
HTM_VERSION="3.1.1"

VENDOR="vendor"

download() {
    local name="$1" url="$2" dest="$3"
    if [[ -n "${SKIP_DOWNLOAD:-}" ]]; then
        echo "[skip] $name (SKIP_DOWNLOAD is set)"
        return
    fi
    echo "[download] $name → $dest"
    curl -sfL -o "$dest" "$url"
}

download "acme.sh@${ACME_VERSION}" \
    "https://raw.githubusercontent.com/acmesh-official/acme.sh/${ACME_VERSION}/acme.sh" \
    "${VENDOR}/acme.sh"

download "htm@${HTM_VERSION}" \
    "https://raw.githubusercontent.com/developit/htm/${HTM_VERSION}/mini/index.module.js" \
    "${VENDOR}/htm.js"

chmod +x "${VENDOR}/acme.sh"

# --- Symlinks for webui ---
WEBUI_VENDOR="webui/static/vendor"
mkdir -p "$WEBUI_VENDOR"

WEBUI_LINKS=(
  "htm.js:../../../vendor/htm.js"
)

for entry in "${WEBUI_LINKS[@]}"; do
  IFS=':' read -r name target <<< "$entry"
  if [[ -L "${WEBUI_VENDOR}/${name}" ]]; then
    cur=$(readlink "${WEBUI_VENDOR}/${name}")
    if [[ "$cur" != "$target" ]]; then
      echo "[symlink] ${WEBUI_VENDOR}/${name} → ${target} (updated)"
      ln -sf "$target" "${WEBUI_VENDOR}/${name}"
    fi
  else
    echo "[symlink] ${WEBUI_VENDOR}/${name} → ${target}"
    ln -sf "$target" "${WEBUI_VENDOR}/${name}"
  fi
done

echo "[done] All libraries vendored."