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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT_DIR"
if [[ -f .env ]]; then
  set -a
  source .env
  set +a
fi

: "${DATA_DIR:=/data/vla_drive/data/drive_lm}"
: "${STUDENT_MODEL:=/data/models/Qwen3.5-4B}"
: "${TEACHER_MODEL:=/data/models/Qwen3.5-9B}"
: "${OUTPUT_ROOT:=$ROOT_DIR/outputs}"
: "${STUDENT_ADAPTER:=$OUTPUT_ROOT/student_sft/final_adapter}"
: "${TEACHER_ADAPTER:=$OUTPUT_ROOT/teacher_sft/final_adapter}"

export PYTHONPATH="$ROOT_DIR${PYTHONPATH:+:$PYTHONPATH}"
export HF_HUB_OFFLINE="${HF_HUB_OFFLINE:-1}"
export TRANSFORMERS_OFFLINE="${TRANSFORMERS_OFFLINE:-1}"
export TOKENIZERS_PARALLELISM="${TOKENIZERS_PARALLELISM:-false}"
export WANDB_MODE="${WANDB_MODE:-offline}"
mkdir -p "$OUTPUT_ROOT"