#!/usr/bin/env bash
# Adds reliable Google Maven mirrors for Android Gradle Plugin resolution.
set -euo pipefail

ANDROID_GEN="${1:-/workspace/tauri_app/src-tauri/gen/android}"

if [ ! -d "${ANDROID_GEN}" ]; then
  echo "Android project not found: ${ANDROID_GEN}" >&2
  exit 1
fi

GRADLE_USER_HOME="${GRADLE_USER_HOME:-/root/.gradle}"
LOCAL_REPO="${ANDROID_AGP_LOCAL_REPO:-/opt/android-agp-maven}"
mkdir -p "${GRADLE_USER_HOME}/init.d"

cat > "${GRADLE_USER_HOME}/init.d/agp-repos.gradle" <<EOF
def googleMirrors = []
def localAgpRepo = new File('${LOCAL_REPO}')
if (localAgpRepo.exists()) {
    googleMirrors.add(localAgpRepo.toURI().toString())
}
googleMirrors.addAll([
    'https://maven.google.com',
    'https://dl.google.com/android/maven2/',
    'https://dl.google.com/dl/android/maven2/'
])

gradle.beforeSettings { settings ->
    settings.pluginManagement {
        repositories {
            googleMirrors.each { url ->
                maven { setUrl(url) }
            }
            google()
            mavenCentral()
            gradlePluginPortal()
        }
    }
}

allprojects {
    buildscript {
        repositories {
            googleMirrors.each { url ->
                maven { setUrl(url) }
            }
            google()
            mavenCentral()
        }
    }
    repositories {
        googleMirrors.each { url ->
            maven { setUrl(url) }
        }
        google()
        mavenCentral()
    }
}
EOF

insert_maven_repos() {
  local file="$1"
  [ -f "${file}" ] || return 0
  if grep -q 'maven.google.com' "${file}"; then
    return 0
  fi

  awk '
    /repositories[[:space:]]*\{/ {
      print
      print "        maven { url = uri(\"https://maven.google.com\") }"
      print "        maven { url = uri(\"https://dl.google.com/android/maven2/\") }"
      print "        maven { url = uri(\"file:///opt/android-agp-maven\") }"
      next
    }
    { print }
  ' "${file}" > "${file}.tmp" && mv "${file}.tmp" "${file}"
}

insert_maven_repos "${ANDROID_GEN}/build.gradle.kts"
insert_maven_repos "${ANDROID_GEN}/buildSrc/build.gradle.kts"
insert_maven_repos "${ANDROID_GEN}/app/build.gradle.kts" 2>/dev/null || true

if [ -f "${ANDROID_GEN}/settings.gradle" ] && ! grep -q 'pluginManagement' "${ANDROID_GEN}/settings.gradle"; then
  {
    cat <<'EOF'
pluginManagement {
    repositories {
        maven { url = uri("file:///opt/android-agp-maven") }
        maven { url = uri("https://maven.google.com") }
        maven { url = uri("https://dl.google.com/android/maven2/") }
        google()
        mavenCentral()
        gradlePluginPortal()
    }
}

EOF
    cat "${ANDROID_GEN}/settings.gradle"
  } > "${ANDROID_GEN}/settings.gradle.tmp" && mv "${ANDROID_GEN}/settings.gradle.tmp" "${ANDROID_GEN}/settings.gradle"
fi

echo "==> Gradle repositories patched for AGP (${ANDROID_GEN})"