#!/bin/bash
# 打包 release APK，产物命名 observer-x.y.z.apk（管理端上传版本号从文件名识别）。
# 用法:
#   build_apk.sh           用当前 pubspec 版本构建
#   build_apk.sh --bump    自动递增 patch+1、build+1 后构建
#   build_apk.sh 1.0.7     用指定版本(versionName)构建, build+1
set -euo pipefail
cd "$(dirname "$0")"

CUR=$(grep -m1 '^version:' pubspec.yaml | awk '{print $2}')
VER=${CUR%+*}
BLD=${CUR#*+}

case "${1:-}" in
  "")
    ;;
  --bump)
    VER=$(awk -F. '{print $1"."$2"."($3+1)}' <<<"$VER")
    BLD=$((BLD + 1))
    ;;
  *)
    VER="$1"
    BLD=$((BLD + 1))
    ;;
esac

NEW="$VER+$BLD"
if [ "$NEW" != "$CUR" ]; then
  sed -i '' "s/^version: .*/version: $NEW/" pubspec.yaml
  echo "版本号: $CUR -> $NEW"
fi

flutter build apk --release

APK="build/app/outputs/flutter-apk/observer-${VER}.apk"
mv -f build/app/outputs/flutter-apk/app-release.apk "$APK"
rm -f build/app/outputs/apk/release/app-release.apk
echo "APK: $APK"