{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "from datetime import datetime as dt\n",
    "from collections import namedtuple\n",
    "from pathlib import Path\n",
    "\n",
    "from toargridding.toar_rest_client import AnalysisService\n",
    "from toargridding.grids import RegularGrid\n",
    "from toargridding.gridding import get_gridded_toar_data\n",
    "from toargridding.metadata import TimeSample"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "#creation of request.\n",
    "\n",
    "Config = namedtuple(\"Config\", [\"grid\", \"time\", \"variables\", \"stats\",\"moreOptions\"])\n",
    "\n",
    "#moreOptions is implemented as a dict to add additional arguments to the query to the REST API\n",
    "#For example the field toar1_category with its possible values Urban, RuralLowElevation, RuralHighElevation and Unclassified can be added.\n",
    "#see page 18 in  https://toar-data.fz-juelich.de/sphinx/TOAR_UG_Vol03_Database/build/latex/toardatabase--userguide.pdf\n",
    "\n",
    "valid_data = Config(\n",
    "    RegularGrid( lat_resolution=1.9, lon_resolution=2.5, ),\n",
    "    TimeSample( start=dt(2014,1,1), end=dt(2019,12,31), sampling=\"daily\"),\n",
    "    [\"mole_fraction_of_ozone_in_air\"],#variable name\n",
    "    [\"mean\"],# [\"dma8epax\"], # enable when finished\n",
    "    {}\n",
    ")\n",
    "missing_data = Config(\n",
    "    RegularGrid( lat_resolution=1.9, lon_resolution=2.5),\n",
    "    TimeSample( start=dt(2000,1,1), end=dt(2013,12,31), sampling=\"daily\"),\n",
    "    [\"mole_fraction_of_ozone_in_air\"],\n",
    "    [\"mean\"],\n",
    "    #[\"dma8epax\"],\n",
    "    {}\n",
    ")\n",
    "\n",
    "configs = {\n",
    "    #\"test_ta\"  : valid_data\n",
    "    \"test_ta2\" : missing_data\n",
    "}\n",
    "\n",
    "#testing access:\n",
    "#config = configs[\"test_ta\"]\n",
    "#config.grid"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "load status endpoint from cache\n",
      "try: 1, wait_time: 300\n",
      "try: 2, wait_time: 300\n",
      "try: 3, wait_time: 300\n",
      "try: 4, wait_time: 300\n",
      "try: 5, wait_time: 300\n"
     ]
    }
   ],
   "source": [
    "#CAVE: this cell runs about 30minutes per requested year\n",
    "#the processing is done on the server of the TOAR database.\n",
    "#a restart of the cell continues the request to the REST API if the requested data are ready for download\n",
    "# The download can also take a few minutes\n",
    "\n",
    "stats_endpoint = \"https://toar-data.fz-juelich.de/api/v2/analysis/statistics/\"\n",
    "result_basepath = Path(\"results\")\n",
    "result_basepath.mkdir(exist_ok=True)\n",
    "analysis_service = AnalysisService(stats_endpoint, result_basepath)\n",
    "\n",
    "for person, config in configs.items():\n",
    "    datasets, metadatas = get_gridded_toar_data(\n",
    "        analysis_service=analysis_service,\n",
    "        grid=config.grid,\n",
    "        time=config.time,\n",
    "        variables=config.variables,\n",
    "        stats=config.stats\n",
    "        #**config.moreOptions\n",
    "    )\n",
    "\n",
    "    for dataset, metadata in zip(datasets, metadatas):\n",
    "        dataset.to_netcdf(result_basepath / f\"{metadata.get_id()}.nc\")\n",
    "        print(metadata.get_id())"
   ]
  }
 ],
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