#!/bin/bash
set -euo pipefail

image_arch() {
  case "$(uname -m)" in
    x86_64|amd64) echo "amd64" ;;
    aarch64|arm64) echo "arm64" ;;
    *) return 1 ;;
  esac
}

image_path() {
  local arch="$1"
  local primary="$TRIM_APPDEST/docker/havline-${TRIM_APPVER}-${arch}.tar.gz"

  if [ -f "$primary" ]; then
    echo "$primary"
    return 0
  fi

  find "$TRIM_APPDEST" -name "havline-${TRIM_APPVER}-${arch}.tar.gz" 2>/dev/null | head -n 1
}

load_offline_image() {
  local arch path

  arch="$(image_arch)" || {
    echo "不支持的设备架构：$(uname -m)" > "$TRIM_TEMP_LOGFILE"
    exit 1
  }

  path="$(image_path "$arch")"
  if [ -z "$path" ] || [ ! -f "$path" ]; then
    echo "找不到离线镜像：havline-${TRIM_APPVER}-${arch}.tar.gz" > "$TRIM_TEMP_LOGFILE"
    exit 1
  fi

  if ! docker load -i "$path" >/dev/null 2>&1; then
    echo "加载离线镜像失败：$path" > "$TRIM_TEMP_LOGFILE"
    exit 1
  fi

  if ! docker image inspect "havline:${TRIM_APPVER}" >/dev/null 2>&1; then
    echo "离线镜像加载后未找到 havline:${TRIM_APPVER}" > "$TRIM_TEMP_LOGFILE"
    exit 1
  fi

  echo "离线镜像已加载：$path"
}