#!/usr/bin/env bash
# installs every android sdk package listed in .android-sdk-packages.

set -euo pipefail

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"

# resolves JAVA_HOME and ANDROID_HOME from common install locations
SDK_PKGS_FILE="$REPO_ROOT/.android-sdk-packages"
if [[ ! -f "$SDK_PKGS_FILE" ]]; then
    echo ".android-sdk-packages missing at repo root." >&2
    exit 2
fi

if [[ -z "${JAVA_HOME:-}" ]]; then
    for c in /opt/homebrew/opt/openjdk@17/libexec/openjdk.jdk/Contents/Home \
             /usr/local/opt/openjdk@17/libexec/openjdk.jdk/Contents/Home \
             "$HOME/.sdkman/candidates/java/current"; do
        if [[ -x "$c/bin/java" ]]; then export JAVA_HOME="$c"; break; fi
    done
fi
if [[ -z "${JAVA_HOME:-}" ]]; then
    echo "JAVA_HOME not resolved. install jdk 17." >&2; exit 2
fi
if [[ -z "${ANDROID_HOME:-}" ]]; then
    for c in /opt/homebrew/share/android-commandlinetools \
             /usr/local/share/android-commandlinetools \
             "$HOME/Library/Android/sdk" \
             "$HOME/Android/Sdk"; do
        if [[ -d "$c/cmdline-tools" ]]; then export ANDROID_HOME="$c"; break; fi
    done
fi
if [[ -z "${ANDROID_HOME:-}" ]]; then
    echo "ANDROID_HOME not resolved. install via brew install --cask android-commandlinetools." >&2; exit 2
fi
export ANDROID_SDK_ROOT="$ANDROID_HOME"

SDKMGR="$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager"
if [[ ! -x "$SDKMGR" ]]; then
    echo "sdkmanager missing at $SDKMGR." >&2; exit 2
fi

# accepts all sdk licenses idempotently
yes 2>/dev/null | "$SDKMGR" --licenses >/dev/null || true

mapfile -t PKGS < <(grep -Ev '^\s*(#|$)' "$SDK_PKGS_FILE")
echo "installing: ${PKGS[*]}"
"$SDKMGR" --install "${PKGS[@]}"

echo "bootstrap done."