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

OUTPUT_DIR="${OUTPUT_DIR:-/workspace/output}"
USE_HF="${USE_HF:-true}"

CHECKPOINT=$(ls -td "${OUTPUT_DIR}"/v*-*/checkpoint-* 2>/dev/null | head -1)

if [ -z "${CHECKPOINT}" ]; then
    echo "Error: No checkpoint found in ${OUTPUT_DIR}"
    echo "Train the model first with: bash /opt/scripts/train.sh"
    exit 1
fi

echo "============================================"
echo "  Inference with checkpoint: ${CHECKPOINT}"
echo "============================================"

swift infer \
    --adapters "${CHECKPOINT}" \
    --stream true \
    --temperature 0 \
    --max_new_tokens 2048 \
    --use_hf "${USE_HF}"