#!/bin/bash
# ============================================================
# OpenDance Studio —— Android 辅助 App 发布打包
#
# 产物（文档 §6.3）：
#   opendance-android-v0.1.0.zip
#   ├── app-release.apk
#   ├── THIRD_PARTY.md
#   ├── README.txt
#   └── contracts/          契约快照
#
# 用法：bash build/package-release.sh [版本号]
# ============================================================
set -euo pipefail

PROJECT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
cd "$PROJECT_DIR"

VERSION="${1:-0.1.0}"
NAME="opendance-android-v${VERSION}"
OUT_DIR="$PROJECT_DIR/dist-release"
STAGE="$OUT_DIR/$NAME"
APK="app/build/outputs/apk/release/app-release.apk"

log() { printf '\033[1;34m[package]\033[0m %s\n' "$*"; }
die() { printf '\033[1;31m[error]\033[0m %s\n' "$*" >&2; exit 1; }

[ -f "$APK" ] || die "未找到 $APK，请先执行 bash build/build-apk.sh release"

# APK 是 zip，校验魔数
MAGIC=$(head -c 2 "$APK" | od -An -tx1 | tr -d ' \n')
[ "$MAGIC" = "504b" ] || die "$APK 不是合法 APK（魔数 $MAGIC）"

log "整理产物到 $STAGE …"
rm -rf "$STAGE"
mkdir -p "$STAGE"

cp "$APK" "$STAGE/app-release.apk"
cp THIRD_PARTY.md README.txt "$STAGE/"
cp -r contracts "$STAGE/contracts"

log "生成压缩包…"
( cd "$OUT_DIR" && zip -qr "$NAME.zip" "$NAME" )

log "完成：$OUT_DIR/$NAME.zip（$(du -h "$OUT_DIR/$NAME.zip" | cut -f1)）"
echo ""
echo "产物内容："
unzip -l "$OUT_DIR/$NAME.zip" | sed -n '4,20p'
echo ""
echo "分发：把 APK 交给用户（Android 10+），或解压后 adb install -r app-release.apk"