set shell := ["bash", "-cu"]
set dotenv-load := true

uatu     := env_var_or_default("UATU", "uatu")
avd      := env_var_or_default("AVD", "")
duration := env_var_or_default("DURATION", "1m")
seed     := env_var_or_default("SEED", "0")
output   := env_var_or_default("OUTPUT", justfile_directory() / "runs")
android  := justfile_directory() / "android"

default:
    @just --list

# Resolve ANDROID_HOME from the env or a short list of canonical install
# locations, so Gradle can find the Android SDK without the user having to
# export anything.
_android-home:
    #!/usr/bin/env bash
    set -euo pipefail
    if [[ -n "${ANDROID_HOME:-}" && -d "$ANDROID_HOME" ]]; then
      echo "$ANDROID_HOME"; exit 0
    fi
    if [[ -n "${ANDROID_SDK_ROOT:-}" && -d "$ANDROID_SDK_ROOT" ]]; then
      echo "$ANDROID_SDK_ROOT"; exit 0
    fi
    for candidate in \
      "$HOME/Library/Android/sdk" \
      "$HOME/Android/Sdk" \
      "/opt/homebrew/share/android-commandlinetools" \
      "/usr/local/share/android-commandlinetools"; do
      if [[ -d "$candidate" ]]; then
        echo "$candidate"; exit 0
      fi
    done
    echo "could not locate Android SDK (set ANDROID_HOME)" >&2
    exit 1

# Build and install the sample APK on a running emulator/device.
install:
    #!/usr/bin/env bash
    set -euo pipefail
    export ANDROID_HOME="$(just _android-home)"
    cd {{android}} && ./gradlew installDebug

# Remove the sample APK from the connected device.
uninstall:
    #!/usr/bin/env bash
    set -euo pipefail
    export ANDROID_HOME="$(just _android-home)"
    cd {{android}} && ./gradlew uninstallDebug

# Remove the gradle build directory.
clean:
    #!/usr/bin/env bash
    set -euo pipefail
    export ANDROID_HOME="$(just _android-home)"
    cd {{android}} && ./gradlew clean

# Run 'uatu test' against the sample app. Uses a connected device if one is
# online, otherwise boots AVD=<name> if provided.
test:
    #!/usr/bin/env bash
    set -euo pipefail
    avd_flag=()
    if [[ -n "{{avd}}" ]]; then
      avd_flag=(--avd "{{avd}}")
    fi
    "{{uatu}}" test \
      --spec "{{justfile_directory()}}/spec.ts" \
      --bundle-id dev.uatu.sample \
      "${avd_flag[@]}" \
      --duration "{{duration}}" \
      --seed "{{seed}}" \
      --output "{{output}}"