#!/bin/bash
# Automated upload script for individual shards
# Usage: ./upload_shard.sh SHARD_NUMBER LOCAL_DATA_PATH

if [ $# -ne 2 ]; then
    echo "Usage: $0 <shard_number> <local_data_path>"
    echo "Example: $0 01 /data/cc/shard-01"
    exit 1
fi

SHARD_NUMBER=$1
LOCAL_PATH=$2
ORG="LevelUp2x"
REPO_NAME="cc-shard-${SHARD_NUMBER}"

# Validate local path exists
if [ ! -d "$LOCAL_PATH" ]; then
    echo "❌ Local data path does not exist: $LOCAL_PATH"
    exit 1
fi

echo "🚀 Starting upload for shard ${SHARD_NUMBER}"
echo "Repository: ${ORG}/${REPO_NAME}"
echo "Local data: ${LOCAL_PATH}"

# Clone the repository
echo "Cloning repository..."
git clone "https://huggingface.co/datasets/${ORG}/${REPO_NAME}" "${REPO_NAME}"
cd "${REPO_NAME}"

# Configure Git LFS for this repo
echo "Configuring Git LFS..."
git lfs track "*.parquet"
git lfs track "*.jsonl"
git lfs track "*.json"
git lfs track "*.txt"
git add .gitattributes

# Copy data into repo
echo "Copying data files..."
cp -r "${LOCAL_PATH}"/* .

# Add and commit files
echo "Adding files to Git..."
git add .

echo "Committing changes..."
git commit -m "Upload shard ${SHARD_NUMBER} - $(date +%Y-%m-%d)"

# Push with LFS
echo "Pushing to Hugging Face..."
git push

if [ $? -eq 0 ]; then
    echo "✅ Successfully uploaded shard ${SHARD_NUMBER}"
    echo "URL: https://huggingface.co/datasets/${ORG}/${REPO_NAME}"
else
    echo "❌ Failed to push shard ${SHARD_NUMBER}"
    echo "Retrying in 10 seconds..."
    sleep 10
    git push
    
    if [ $? -eq 0 ]; then
        echo "✅ Successfully uploaded shard ${SHARD_NUMBER} on retry"
    else
        echo "❌❌ Failed after retry - manual intervention needed"
        exit 1
    fi
fi

cd ..
echo "Upload completed for shard ${SHARD_NUMBER}"