#!/bin/bash
# --------------------------------------------------------------------
# Transfer multiple experiment result folders from Torch → Greene
# using SCP (no rsync)
# Author: Gappu
# Date: 2025-10-27
# --------------------------------------------------------------------

DTN="dtn-1"
USER="jp7467"
BASE_DST="/scratch/${USER}/Results/fineweb-15b"
LOGFILE="scp_transfer_$(date +%Y-%m-%d_%H-%M-%S).log"

echo "=== Starting SCP transfer at $(date) ===" | tee -a "$LOGFILE"

DIRS=(
    "/scratch/${USER}/Results/fineweb-15b/2025-10-22/04:59:03.443588"        # 30B tokens 8k length
    "/scratch/${USER}/Results/fineweb-15b/2025-10-19/15:05:06.520808"        # gdn 2x state
    "/scratch/${USER}/Results/fineweb-15b/2025-10-19/14:01:15.430122"        # wrope-rope intp 4 8 16 32 opensource
    "/scratch/${USER}/Results/fineweb-15b/2025-10-19/00:24:46.370316"        # correct-rope intp 4 8 16 32 adaptive-v2
    "/scratch/${USER}/Results/fineweb-15b/2025-10-12/17:03:52.156332"        # cat-4 fixed chunk_size_4
    "/scratch/${USER}/Results/fineweb-15b/2025-10-12/17:02:29.629343"        # cat-8
    "/scratch/${USER}/Results/fineweb-15b/2025-10-12/06:32:16.755461"        # cat-16
    "/scratch/${USER}/Results/fineweb-15b/2025-10-12/06:29:08.235852"        # cat-32
)

for SRC in "${DIRS[@]}"; do
    echo ">>> Transferring: $SRC" | tee -a "$LOGFILE"

    # Extract relative subpath to keep folder structure consistent
    REL_PATH="${SRC#/scratch/${USER}/Results/fineweb-15b/}"
    DST_DIR="${BASE_DST}/$(dirname "$REL_PATH")"

    # Ensure target directory exists on Greene
    ssh ${DTN} "mkdir -p '$DST_DIR'" | tee -a "$LOGFILE"

    # Perform copy with preserved permissions/timestamps
    scp -rp "$SRC" "${DTN}:${DST_DIR}/" | tee -a "$LOGFILE"

    echo ">>> Done: $SRC" | tee -a "$LOGFILE"
    echo | tee -a "$LOGFILE"
done

echo "=== SCP transfer complete at $(date) ===" | tee -a "$LOGFILE"