#!/bin/bash
set -euo pipefail

HOST=localhost
PORT=9000
TSV_SRC=test-vid

# ensure relatively predictable timing for spawn()
cargo build

PIDS=()
cleanup() {
    for pid in "${PIDS[@]}"; do
        kill "$pid" 2>/dev/null || true
    done
    wait 2>/dev/null
}
trap cleanup EXIT

spawn() {
    BIN="$1"
    shift
    cargo run --bin "$BIN" -- "$@" &
    PIDS+=($!)
}

spawn tsv-video-stream --name "$TSV_SRC" -- \
    -f lavfi -i "testsrc=size=1920x1080:rate=60"

spawn wgsl-render --continuous

sleep 2


SHADER='
@group(1) @binding(0) var video: texture_2d<f32>;
@group(1) @binding(1) var s: sampler;

@fragment
fn fs_main(@location(0) uv: vec2<f32>) -> @location(0) vec4<f32> {
    return textureSample(video, s, uv).rrra;
}
'
oscsend "$HOST" "$PORT" /texture/tex1 s "$TSV_SRC"
oscsend "$HOST" "$PORT" /sampler/samp1 ss nearest clamp
oscsend "$HOST" "$PORT" /module/package::main s "$SHADER"
oscsend "$HOST" "$PORT" /entrypoint s package::main
oscsend "$HOST" "$PORT" /binding/package::main/video s /texture/tex1
oscsend "$HOST" "$PORT" /binding/package::main/s s /sampler/samp1

cargo run --bin tsv-view