#!/usr/bin/env bash
set -euo pipefail
set -m # needed to access jobs

GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)

# We run Metro in background while calling adb.
cleanupMetro() {
    pkill -f run-metro.sh
    rm -f metro-server-logs.log
}

# Using function gives a neater jobspec name.
runMetro() {
   nohup "${GIT_ROOT}/scripts/run-metro.sh" 2>&1 \
        | tee metro-server-logs.log
}

waitForMetro() {
    set +e # Allow grep command to fail in the loop.
    TIMEOUT=5
    echo "Waiting for Metro server..." >&2
    while ! grep -q "Welcome to Metro" metro-server-logs.log; do
      echo -n "." >&2
      sleep 1
      if ((TIMEOUT == 0)); then
        echo -e "\nMetro server timed out, exiting" >&2
        set -e # Restore errexit for rest of script.
        return 1
      fi
      ((TIMEOUT--))
    done
    set -e # Restore errexit for rest of script.
}

# Generate android debug build.
export ANDROID_ABI_INCLUDE=$("${GIT_ROOT}/scripts/adb_devices_abis.sh")
export BUILD_ENV=debug
export BUILD_TYPE=debug
"${GIT_ROOT}/scripts/build-android.sh"

# Install the APK on running emulator or android device.
adb install ./result/app-debug.apk

trap cleanupMetro EXIT ERR INT QUIT
runMetro &
waitForMetro

# Start the installed app.
adb shell monkey -p im.status.ethereum.debug 1

# bring metro job to foreground
fg 'runMetro'