#!/usr/bin/env bash
# GoldenChart Android APK — 로컬(CI) 빌드 → data/mobile-releases/
set -euo pipefail

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

APK_REMOTE_NAME="${APK_REMOTE_NAME:-goldenchart-android.apk}"
LOCAL_APK="${LOCAL_APK:-$ROOT/data/mobile-releases/$APK_REMOTE_NAME}"

log() { echo "[build-mobile-apk $(date '+%H:%M:%S')] $*"; }

sign_release_apk() {
  local unsigned="$ROOT/app/android/app/build/outputs/apk/release/app-release-unsigned.apk"
  local signed="$ROOT/app/android/app/build/outputs/apk/release/app-release.apk"
  local keystore="$ROOT/app/android/goldenchart-release.keystore"

  if [[ ! -f "$unsigned" ]]; then
    echo "unsigned APK 없음: $unsigned" >&2
    exit 1
  fi

  if [[ ! -f "$keystore" ]]; then
    log "keystore 생성..."
    "${JAVA_HOME}/bin/keytool" -genkeypair -v -keystore "$keystore" -alias goldenchart \
      -keyalg RSA -keysize 2048 -validity 10000 \
      -storepass goldenchart -keypass goldenchart \
      -dname "CN=GoldenChart, OU=Mobile, O=GoldenChart, L=Seoul, ST=Seoul, C=KR"
  fi

  local apksigner
  apksigner="${ANDROID_HOME:-$HOME/Library/Android/sdk}/build-tools/35.0.0/apksigner"
  if [[ ! -x "$apksigner" ]]; then
    apksigner=$(ls -d "${ANDROID_HOME:-$HOME/Library/Android/sdk}"/build-tools/*/apksigner 2>/dev/null | sort -V | tail -1 || true)
  fi
  if [[ -z "$apksigner" || ! -x "$apksigner" ]]; then
    echo "apksigner 없음. Android SDK build-tools 설치 필요." >&2
    exit 1
  fi

  cp "$unsigned" "$signed"
  "$apksigner" sign --ks "$keystore" --ks-key-alias goldenchart \
    --ks-pass pass:goldenchart --key-pass pass:goldenchart "$signed"
  mkdir -p "$(dirname "$LOCAL_APK")"
  cp "$signed" "$LOCAL_APK"

  VERSION_NAME="$(grep -E 'versionName[[:space:]]+"' "$ROOT/app/android/app/build.gradle" | head -1 | sed -E 's/.*versionName[[:space:]]+"([^"]+)".*/\1/' || true)"
  if [[ -n "$VERSION_NAME" ]]; then
    printf '%s\n' "$VERSION_NAME" > "${LOCAL_APK%.apk}.version"
    log "버전 sidecar: ${LOCAL_APK%.apk}.version → $VERSION_NAME"
  fi

  log "서명 완료: $LOCAL_APK"
}

if [[ -z "${JAVA_HOME:-}" ]] && [[ -x "$HOME/.local/jdk-21.0.11+10/Contents/Home/bin/java" ]]; then
  export JAVA_HOME="$HOME/.local/jdk-21.0.11+10/Contents/Home"
fi
if [[ -z "${JAVA_HOME:-}" ]] && [[ -x "/opt/homebrew/opt/openjdk@21/libexec/openjdk.jdk/Contents/Home/bin/java" ]]; then
  export JAVA_HOME="/opt/homebrew/opt/openjdk@21/libexec/openjdk.jdk/Contents/Home"
fi
if [[ -z "${JAVA_HOME:-}" ]] && command -v /usr/libexec/java_home >/dev/null 2>&1; then
  JAVA_HOME="$(/usr/libexec/java_home 2>/dev/null || true)"
  [[ -n "$JAVA_HOME" ]] && export JAVA_HOME
fi
if [[ -z "${JAVA_HOME:-}" ]]; then
  echo "JAVA_HOME 미설정" >&2
  exit 1
fi

log "google-services.json 확인"
"$ROOT/scripts/ensure-android-google-services.sh"

if [[ ! -d "$ROOT/node_modules/vite" ]] || [[ ! -d "$ROOT/app/node_modules/@capacitor/core" ]]; then
  log "npm ci (root dependencies)"
  (cd "$ROOT" && npm ci)
fi

log "cap:sync"
(cd "$ROOT/app" && npm run build && bash ../scripts/ensure-android-google-services.sh && npx cap sync)

log "assembleRelease"
(cd "$ROOT/app/android" && ./gradlew assembleRelease --no-daemon)

sign_release_apk

log "완료 $(du -h "$LOCAL_APK" | cut -f1)"