<?php
/**
 * Builds Python support function definitions from SYS_PRD_BND.SupportFunctions.
 */
function getPythonSupportFunctionsDefinition() {
    $functions = "";

    foreach (sql("SELECT Name, InputArgs_json, PythonCode FROM SYS_PRD_BND.SupportFunctions WHERE PythonCode IS NOT NULL") as $f) {
        $inputArgs = json_decode($f['InputArgs_json'], true);
        $argNames = is_array($inputArgs) ? array_keys($inputArgs) : [];
        $argsString = implode(', ', $argNames);
        $indentedBody = implode("\n", array_map(fn($line) => '    ' . $line, explode("\n", $f['PythonCode'])));
        $functions .= "def {$f['Name']}($argsString):\n{$indentedBody}\n\n";
    }

    return $functions;
}