#!/bin/zsh
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
SOURCE_APK="${1:-$ROOT_DIR/android/app/build/outputs/apk/debug/app-debug.apk}"
TARGET_DIR="$ROOT_DIR/public/downloads"
TARGET_APK="$TARGET_DIR/boss-android-latest.apk"
TARGET_META="$TARGET_DIR/boss-android-latest.json"
STANDALONE_DIR="$ROOT_DIR/.next/standalone/public/downloads"
BUILD_GRADLE="$ROOT_DIR/android/app/build.gradle"
SOURCE_NAME="$(basename "$SOURCE_APK")"
BUILD_FLAVOR="debug"

if [[ "$SOURCE_NAME" == *release* ]]; then
  BUILD_FLAVOR="release"
fi

if [[ ! -f "$SOURCE_APK" ]]; then
  echo "APK not found: $SOURCE_APK" >&2
  exit 1
fi

mkdir -p "$TARGET_DIR"
cp "$SOURCE_APK" "$TARGET_APK"

SIZE_BYTES="$(stat -f '%z' "$TARGET_APK" 2>/dev/null || stat -c '%s' "$TARGET_APK")"
UPDATED_AT="$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
SHA256="$(shasum -a 256 "$TARGET_APK" | awk '{print $1}')"
VERSION_NAME="$(sed -n 's/.*versionName \"\([^\"]*\)\"/\1/p' "$BUILD_GRADLE" | head -n 1)"
VERSION_CODE="$(sed -n 's/.*versionCode \([0-9][0-9]*\).*/\1/p' "$BUILD_GRADLE" | head -n 1)"
VERSIONED_APK_NAME="boss-android-v${VERSION_NAME}-${BUILD_FLAVOR}.apk"
VERSIONED_TARGET_APK="$TARGET_DIR/$VERSIONED_APK_NAME"

cp "$TARGET_APK" "$VERSIONED_TARGET_APK"

cat > "$TARGET_META" <<EOF
{
  "fileName": "$VERSIONED_APK_NAME",
  "urlPath": "/api/v1/user/ota/package",
  "sizeBytes": $SIZE_BYTES,
  "updatedAt": "$UPDATED_AT",
  "sha256": "$SHA256",
  "versionName": "$VERSION_NAME",
  "versionCode": $VERSION_CODE,
  "buildFlavor": "$BUILD_FLAVOR"
}
EOF

if [[ -d "$ROOT_DIR/.next/standalone/public" ]]; then
  mkdir -p "$STANDALONE_DIR"
  cp "$TARGET_APK" "$STANDALONE_DIR/boss-android-latest.apk"
  cp "$VERSIONED_TARGET_APK" "$STANDALONE_DIR/$VERSIONED_APK_NAME"
  cp "$TARGET_META" "$STANDALONE_DIR/boss-android-latest.json"
fi

echo "Published APK to $TARGET_APK"
echo "Published versioned APK to $VERSIONED_TARGET_APK"
echo "Metadata written to $TARGET_META"