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

# watcher.sh - Watches for new models, downloads their files, and tracks large files with Git LFS.
#
# This script continuously scans the 'models' directory for 'model.yaml' files.
# For each model, it runs the 'download.sh' script to fetch model files from
# Hugging Face. After downloading, it identifies files larger than 1MB and
# ensures they are tracked by Git LFS.
#
# Usage: ./tools/watcher.sh
# Run from the root of the repository.

# This script should be run from the root of the repository.
if [ ! -d ".git" ]; then
    echo "Error: This script must be run from the root of the repository." >&2
    exit 1
fi

while true; do
    echo "🔍 Starting model discovery cycle..."

    # Find all model.yaml files in the models directory
    find models -name model.yaml | while read -r MODEL_YAML; do
        MODEL_DIR=$(dirname "$MODEL_YAML")
        
        echo "--------------------------------------------------"
        echo "Processing model in $MODEL_DIR"
        
        # The download script will now handle LFS tracking and cleanup for each variant.
        python3 ./tools/download.py "$MODEL_YAML"
    done

    echo "--------------------------------------------------"
    echo "✅ Watcher finished a cycle. Sleeping for 60 seconds before next scan."
    echo "Press [CTRL+C] to stop."
    sleep 60
done