#!/usr/bin/env bash
set -euo pipefail

if [[ $# -ne 3 ]]; then
  echo "Usage: $0 <real-level> <fake-level> <launch-tag>" >&2
  exit 2
fi

REAL_LEVEL="$1"
FAKE_LEVEL="$2"
LAUNCH_TAG="$3"

PERSIST_ROOT="${PERSIST_ROOT:-/mnt/bn/search-aipf-haoyu/wenhaowang/ScaleDF_rebuttal}"
SELECTION_DIR="${SELECTION_DIR:-$PERSIST_ROOT/selections/fixed_budget_500k_resampled_20260725}"
TRAIN_LAUNCHER="${TRAIN_LAUNCHER:-$PERSIST_ROOT/launch_rebuttal_diversity_train.sh}"
PACKAGE_ROOT="${PACKAGE_ROOT:-/tmp/ScaleDF_repro_20260724}"
SCALEDF_DATA="${SCALEDF_DATA:-/dev/shm/scaledf_bind_storage/ScaleDF}"
HOST_NAME="$(hostname)"
SEEDS_RAW="${SEEDS:-1 2 3 4}"

export PERSIST_ROOT PACKAGE_ROOT SCALEDF_DATA
export EPOCHS="${EPOCHS:-10}"
export BATCH_PER_GPU="${BATCH_PER_GPU:-256}"
export NPROC_PER_NODE="${NPROC_PER_NODE:-8}"
export PYTHONUNBUFFERED="${PYTHONUNBUFFERED:-1}"

if [[ ! -e /raid/ScaleDF_v4/train ]]; then
  mkdir -p /raid 2>/dev/null || sudo mkdir -p /raid
  ln -sfn "$SCALEDF_DATA" /raid/ScaleDF_v4 2>/dev/null || sudo ln -sfn "$SCALEDF_DATA" /raid/ScaleDF_v4
fi

run_one() {
  local family="$1"
  local level="$2"
  local seed="$3"
  local selection="$SELECTION_DIR/scaledf_v4_fixed500000_${family}_n${level}_classseed${seed}_imgseed20260725_resampled.pkl"
  local run_name="control_fixed500000_${family}_n${level}_classseed${seed}_resampled_${HOST_NAME}_${LAUNCH_TAG}"

  if [[ ! -f "$selection" ]]; then
    echo "missing selection: $selection" >&2
    exit 3
  fi

  echo "[$(date -u +%Y-%m-%dT%H:%M:%SZ)] start family=$family level=$level seed=$seed run=$run_name"
  SEED="$seed" "$TRAIN_LAUNCHER" nrealfake "$selection" "$run_name"
  echo "[$(date -u +%Y-%m-%dT%H:%M:%SZ)] done family=$family level=$level seed=$seed run=$run_name"
}

echo "queue_started_utc=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
echo "hostname=$HOST_NAME"
echo "real_level=$REAL_LEVEL"
echo "fake_level=$FAKE_LEVEL"
echo "launch_tag=$LAUNCH_TAG"
echo "selection_dir=$SELECTION_DIR"
echo "epochs=$EPOCHS"
echo "batch_per_gpu=$BATCH_PER_GPU"
echo "nproc_per_node=$NPROC_PER_NODE"
echo "seeds=$SEEDS_RAW"

for seed in $SEEDS_RAW; do
  run_one real_domains "$REAL_LEVEL" "$seed"
  run_one fake_methods "$FAKE_LEVEL" "$seed"
done

echo "queue_done_utc=$(date -u +%Y-%m-%dT%H:%M:%SZ)"