#!/bin/bash

TEMPLATE="TEMPLATE_v10m.py"
##WORKING_SCRIPT="download_script.py"

# Loop over years and months using brace expansion
for year in {1993..2016}; do
  for month in {1..12}; do
    # Format month with leading zero
    month_padded=$(printf "%02d" "$month")
    WORKING_SCRIPT="downloading_v10m_script_"$year$month_padded".py"
    # Copy the template to a working file
    cp "$TEMPLATE" "$WORKING_SCRIPT"

    # Replace placeholders in the working script
    sed -i "s/\"year\"\: \[\"1993\"\]/\"year\"\: \[\"$year\"\]/g" "$WORKING_SCRIPT"
    sed -i "s/\"month\"\: \[\"01\"\]/\"month\"\: \[\"$month_padded\"\]/g" "$WORKING_SCRIPT"

    # Replace the download file name
    sed -i "s/filename=\"ECMWF_SEAS5_v10m_1993_01_6hourly.grib\"/filename=\"ECMWF_SEAS5_v10m_${year}_${month_padded}_6hourly.grib\"/g" "$WORKING_SCRIPT"
    # Run the modified Python script
    python3 "$WORKING_SCRIPT"
  done
done