#!/usr/bin/env bash
# Run the MediaPlayer conformance suite.
#
# See docs/specs/media-player-controller.md. One set of behaviours, run against
# every engine — so a wrapper is verified without building or launching the app.
#
#   ./scripts/test-player-conformance.sh              desktop engines (mpv, legacy)
#   ./scripts/test-player-conformance.sh android      ExoPlayer, on a connected device
#
set -euo pipefail

PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
TARGET="${1:-desktop}"

run_desktop() {
    local fixture="${TMPDIR:-/tmp}/jellytau-conformance-1200s.mp4"
    if [ ! -f "$fixture" ]; then
        # Generated, not committed: the repo carries no media, and the duration
        # is exact — the seek assertions depend on it.
        echo "Generating a 20-minute fixture at $fixture"
        ffmpeg -y -loglevel error \
            -f lavfi -i "testsrc2=size=640x360:rate=25" \
            -f lavfi -i "sine=frequency=440" \
            -t 1200 -c:v libx264 -preset ultrafast -pix_fmt yuv420p -g 50 \
            -c:a aac -shortest "$fixture"
    fi

    cd "$PROJECT_ROOT/src-tauri"
    local status=0
    for engine in mpv legacy; do
        echo
        cargo run --quiet --features conformance --bin player-conformance -- \
            "$fixture" "$engine" || status=1
    done
    return $status
}

run_android() {
    if ! adb get-state >/dev/null 2>&1; then
        echo "No device. Connect one and enable USB debugging." >&2
        exit 1
    fi

    "$PROJECT_ROOT/scripts/sync-android-sources.sh" >/dev/null
    cd "$PROJECT_ROOT/src-tauri/gen/android"

    # `-x rustBuild...` because raw gradle drives the Rust build through Tauri's
    # android-studio-script, which expects a dev-server address file that only
    # exists under `tauri android dev`. The native library already in
    # app/src/main/jniLibs is what the test process loads.
    ANDROID_HOME="${ANDROID_HOME:-$HOME/Android/Sdk}" \
        ./gradlew :app:connectedUniversalDebugAndroidTest \
        -x :app:rustBuildUniversalDebug --console=plain
}

case "$TARGET" in
    desktop) run_desktop ;;
    android) run_android ;;
    *) echo "usage: $0 [desktop|android]" >&2; exit 2 ;;
esac