#!/bin/sh
# Builds this app and runs it on this checkout's emulator.
#
# The emulator half of this -- which AVD this checkout means, creating it,
# booting it headless, and refusing to start one the machine has no room for
# -- lives in ~/repos/emulator-tools and is shared with every other Android
# checkout here. This script kept its own copy of that sequence until
# 2026-08-30, as did dev-updater's and ai-app's, and three copies of "boot an
# emulator" is three places for the memory check that was missing from all of
# them.
#
# Environment setup (SDK location, PATH, ...) lives in ./android-env.sh,
# which can also be sourced directly for one-off commands.
set -eu

APP_ID="com.example.aiapp"

SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
cd "$SCRIPT_DIR"

# shellcheck source=./android-env.sh
. ./android-env.sh

if ! command -v emu >/dev/null 2>&1; then
    echo "run-android.sh: no 'emu' command." >&2
    echo "  It comes from ~/repos/emulator-tools; run that repo's ./install.sh." >&2
    exit 127
fi

# Prints the serial, having created and booted the AVD if it had to. Named
# after the checkout, so this cannot land on another session's emulator --
# and refuses rather than starting one when the machine is short of memory,
# because what an OOM kills is somebody else's work rather than the emulator
# that asked for the memory.
echo "==> Emulator"
SERIAL=$(emu up)
export ANDROID_SERIAL="$SERIAL"

echo "==> Building debug APK"
./gradlew :androidApp:assembleDebug

APK="androidApp/build/outputs/apk/debug/androidApp-debug.apk"
echo "==> Installing and launching $APK"
# ANDROID_SERIAL above is what aims these; the adb wrapper would work it out
# from the checkout anyway, but a script that says which device it means does
# not depend on being run from the right directory.
adb install -r "$APK"
adb shell am start -n "$APP_ID/.MainActivity"