#!/usr/bin/env bash
# Download AndroidX artifacts required by Tauri offline APK builds but missed by Gradle export
# (metadata POMs, version aliases, legacy lifecycle lines).
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
OFFLINE="${ROOT}/docker/offline-maven"

if [ ! -d "${OFFLINE}" ]; then
  echo "Offline Maven dir not found: ${OFFLINE}" >&2
  exit 1
fi

MAVEN_BASES=(
  "https://dl.google.com/dl/android/maven2"
  "https://dl.google.com/android/maven2"
  "https://maven.google.com"
)

# group:artifact:version — from Tauri universalReleaseRuntimeClasspath resolution.
REQUIRED=(
  "androidx.annotation:annotation:1.9.1"
  "androidx.annotation:annotation-jvm:1.9.1"
  "androidx.emoji2:emoji2:1.2.0"
  "androidx.emoji2:emoji2-views-helper:1.2.0"
  "androidx.emoji2:emoji2:1.3.0"
  "androidx.emoji2:emoji2-views-helper:1.3.0"
  "androidx.lifecycle:lifecycle-runtime:2.10.0"
  "androidx.lifecycle:lifecycle-runtime-android:2.10.0"
  "androidx.lifecycle:lifecycle-viewmodel:2.6.1"
  "androidx.lifecycle:lifecycle-viewmodel:2.10.0"
  "androidx.lifecycle:lifecycle-viewmodel-android:2.10.0"
  "androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1"
  "androidx.lifecycle:lifecycle-viewmodel-ktx:2.10.0"
  "androidx.lifecycle:lifecycle-runtime-ktx:2.6.1"
  "androidx.lifecycle:lifecycle-runtime-ktx:2.10.0"
  "androidx.lifecycle:lifecycle-runtime-ktx-android:2.10.0"
  "androidx.lifecycle:lifecycle-common:2.6.1"
  "androidx.lifecycle:lifecycle-common:2.10.0"
  "androidx.lifecycle:lifecycle-common-jvm:2.6.1"
  "androidx.lifecycle:lifecycle-common-jvm:2.10.0"
  "androidx.lifecycle:lifecycle-viewmodel-savedstate:2.6.1"
  "androidx.lifecycle:lifecycle-viewmodel-savedstate:2.10.0"
  "androidx.lifecycle:lifecycle-viewmodel-savedstate-android:2.10.0"
  "androidx.lifecycle:lifecycle-livedata-core:2.5.1"
  "androidx.lifecycle:lifecycle-livedata-core:2.10.0"
  "androidx.lifecycle:lifecycle-livedata:2.0.0"
  "androidx.lifecycle:lifecycle-livedata:2.10.0"
  "androidx.savedstate:savedstate:1.2.1"
  "androidx.savedstate:savedstate:1.4.0"
  "androidx.savedstate:savedstate-android:1.2.1"
  "androidx.savedstate:savedstate-android:1.4.0"
  "androidx.savedstate:savedstate-ktx:1.2.1"
  "androidx.savedstate:savedstate-ktx:1.4.0"
)

download_file() {
  local url="$1"
  local dest="$2"
  mkdir -p "$(dirname "${dest}")"
  curl -fsSL --connect-timeout 20 --max-time 120 "${url}" -o "${dest}"
}

try_download_ext() {
  local group="$1"
  local artifact="$2"
  local version="$3"
  local ext="$4"
  local group_path="${group//./\/}"
  local dest="${OFFLINE}/${group_path}/${artifact}/${version}/${artifact}-${version}.${ext}"

  if [ -f "${dest}" ] && [ -s "${dest}" ]; then
    return 0
  fi

  for base in "${MAVEN_BASES[@]}"; do
    local url="${base}/${group_path}/${artifact}/${version}/${artifact}-${version}.${ext}"
    if download_file "${url}" "${dest}" 2>/dev/null && [ -s "${dest}" ]; then
      echo "  + ${group}:${artifact}:${version}.${ext}"
      return 0
    fi
    rm -f "${dest}"
  done
  return 1
}

ensure_coordinate() {
  local spec="$1"
  IFS=':' read -r group artifact version <<< "${spec}"
  local got=0
  for ext in pom module aar jar; do
    if try_download_ext "${group}" "${artifact}" "${version}" "${ext}"; then
      got=1
    fi
  done
  if [ "${got}" -eq 0 ]; then
    echo "WARN: nothing downloaded for ${spec}" >&2
  fi
}

echo "==> Ensuring Tauri-required AndroidX artifacts in ${OFFLINE}"
for spec in "${REQUIRED[@]}"; do
  echo "-- ${spec}"
  ensure_coordinate "${spec}"
done

required_files=(
  "${OFFLINE}/androidx/annotation/annotation/1.9.1/annotation-1.9.1.pom"
  "${OFFLINE}/androidx/lifecycle/lifecycle-runtime/2.10.0/lifecycle-runtime-2.10.0.pom"
  "${OFFLINE}/androidx/emoji2/emoji2-views-helper/1.2.0/emoji2-views-helper-1.2.0.pom"
  "${OFFLINE}/androidx/savedstate/savedstate/1.2.1/savedstate-1.2.1.pom"
  "${OFFLINE}/androidx/lifecycle/lifecycle-viewmodel/2.6.1/lifecycle-viewmodel-2.6.1.pom"
)

for file in "${required_files[@]}"; do
  if [ ! -f "${file}" ]; then
    echo "Missing required file after ensure: ${file}" >&2
    exit 1
  fi
done

echo "==> Tauri AndroidX ensure complete"