import { Schema, Field_Configuration  } from '@efforting.tech/data/field-configuration';


function mandatory_anything(value) {
	return value !== undefined;
}


function string_coercion_function(value) {
	if (value === undefined) {
		throw new Error('Undefined not allowed');
	}
	return String(value);
}



const fc = new Field_Configuration(null, string_coercion_function, null, 'Anything that could be a string');
const fd = new Field_Configuration(null, string_coercion_function, () => 'baz', 'A string. Defaults to \'baz\'');

console.log(fc.check_validation(undefined));
console.log(fc.check_validation(true));

console.log([ fc.coerce(123) ]);
console.log([ fc.coerce(true) ]);

// console.log([ fc.load(undefined, 'Some configuration') ]);
// console.log([ fc.load(true) ]);


//fc.validate(undefined);
//console.log(fc.load(undefined, 'New thingamabob object'));


const s = new Schema({
	foo: fc,
	bar: fd,
});

const s2 = new Schema({
	thing: fc,
	stuff: s,
});

console.log(s2.load({
	stuff: { foo: 'Hello World' },
	thing: 123,
}));

// { thing: '123', stuff: { foo: 'Hello World', bar: 'baz' } }