#!/bin/sh
# Cuvex: local SHA-256 verification; no network or installation.
set -u
folder=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd) || exit 1
file="$folder/"Cuvex-Mirror-1.0.0-beta.12.1-Android.apk
expected=220a128ce804b9cc08df098663130d48848cb6d5a83f26d25c0615e14f513ecd
printf "%s\n" '正在驗證您的 CUVEX 下載檔案…'
printf "%s\n" "已下載的檔案: $file"
if [ ! -f "$file" ]; then
  printf "%s\n" 'KO (FAIL) — 找不到檔案'
  printf "%s\n" '請確認下載已完成，且檔案以原始名稱保留在下載資料夾。'
  exit 1
fi
if command -v sha256sum >/dev/null 2>&1; then
  actual=$(sha256sum -- "$file" 2>/dev/null | awk '{print $1}')
elif command -v shasum >/dev/null 2>&1; then
  actual=$(shasum -a 256 -- "$file" 2>/dev/null | awk '{print $1}')
else
  printf "%s\n" 'KO (FAIL) — 請勿開啟此檔案'
  printf "%s\n" '檔案與公布的雜湊值不符。請從 Cuvex 重新下載並再次驗證。如果仍然失敗，請聯絡 sato@cuvex.io。'
  exit 1
fi
printf "\n========================================\n"
printf "%s\n" 'CUVEX 驗證結果'
if [ "$actual" = "$expected" ]; then
  printf "%s\n" 'OK — 檔案驗證成功'
  printf "%s\n" '檔案與我們為此版本公布的 SHA-256 相符。完整性驗證已成功完成。'
  exit 0
fi
printf "%s\n" 'KO (FAIL) — 請勿開啟此檔案'
printf "%s\n" '檔案與公布的雜湊值不符。請從 Cuvex 重新下載並再次驗證。如果仍然失敗，請聯絡 sato@cuvex.io。'
exit 1