#!/bin/bash

# Usage check
if [ $# -ne 2 ]; then
    echo "Usage: $0 <input_directory> <parameter_file>"
    exit 1
fi

INPUT_DIR="$1"
PARAM_FILE="$2"

# Check inputs
if [ ! -d "$INPUT_DIR" ]; then
    echo "Error: Directory '$INPUT_DIR' not found"
    exit 1
fi

if [ ! -f "$PARAM_FILE" ]; then
    echo "Error: Parameter file '$PARAM_FILE' not found"
    exit 1
fi

# Loop over ROOT files
shopt -s nullglob
for rootfile in "$INPUT_DIR"/*.root; do
    echo "=============================================="
    echo "Processing file: $rootfile"
    echo "=============================================="

    # Export so runJericho.sh can see it
    export inputDataFile="$rootfile"

    ./runJericho.sh "$PARAM_FILE"

    if [ $? -ne 0 ]; then
        echo "❌ Error processing $rootfile"
        exit 1
    fi
done

echo "✅ All files processed successfully"

source "$PARAM_FILE"
baseName1=$(basename "$inputDataFile" .root)
outPutFileName="${baseName1}_total.root"

echo "Summing outputs to $outPutFileName"

./sumOutputs $outPutDirectory $outPutFileName