import { expectTypeOf, test } from 'vite-plus/test';
import { get } from './get';

interface TestClass {
	normal: string;
	nested: { a: number; b: { c: boolean } };
	arr: number[];
	nestedArr: { sum: number; other: null }[];
	deep: { arr: string[] };
	deeplvl1: { deeplvl2: { deeplvl3: { deeplvl4: { value: RegExp } }[] } }[];
}

test('get typing', () => {
	// eslint-disable-next-line @typescript-eslint/consistent-type-assertions
	const obj = {} as TestClass;
	expectTypeOf(get(obj, 'nested.a', null)).toMatchTypeOf<number>();
	expectTypeOf(get(obj, 'normal', null)).toMatchTypeOf<string>();
	expectTypeOf(get(obj, 'nested.a')).toMatchTypeOf<number>();
	expectTypeOf(get(obj, 'nested.b.c')).toMatchTypeOf<boolean>();
	expectTypeOf(get(obj, 'arr')).toMatchTypeOf<number[]>();
	expectTypeOf(get(obj, 'arr[13]')).toMatchTypeOf<number>();
	// @ts-expect-error
	expectTypeOf(get(obj, 'arr.13')).toMatchTypeOf<number>();
	expectTypeOf(get(obj, 'nestedArr[3].other')).toMatchTypeOf<null>();
	// @ts-expect-error
	expectTypeOf(get(obj, 'deep.deep')).toMatchTypeOf<string[]>();
	expectTypeOf(get(obj, 'deep.arr[333]')).toMatchTypeOf<string>();
	expectTypeOf(get(obj, 'deep.arr[333].length')).toMatchTypeOf<number>();
	// @ts-expect-error
	expectTypeOf(get(obj, 'nested["b"]["c"]')).toMatchTypeOf<boolean>();
	// @ts-expect-error
	expectTypeOf(get(obj, '')).toMatchTypeOf<never>();
	expectTypeOf(get(obj, '', 3)).toMatchTypeOf<number>();
	// @ts-expect-error
	expectTypeOf(get(obj, 'nested.asdfasdf')).toMatchTypeOf<never>();
	expectTypeOf(get(obj, 'deeplvl1[1].deeplvl2.deeplvl3[88].deeplvl4.value')).toMatchTypeOf<RegExp>();
	// @ts-expect-error
	expectTypeOf(get(obj, 'deeplvl1[1].deeplvl2.deeplvl1[88].deeplvl4.value')).toMatchTypeOf<never>();
	expectTypeOf(get(obj, 'deeplvl1[1].deeplvl2.deeplvl1[88].deeplvl4.value', obj)).toMatchTypeOf<TestClass>();
	expectTypeOf(get(obj, 'nested["dd"]', '')).toMatchTypeOf<string>();
});