import { assertEquals } from "@std/assert/equals";
import { determineType, jsonTypeToString } from "./attributes.ts";

Deno.test("JSON Determine type", () => {
    // Determine type tests
    assertEquals(determineType(null), { type: "null" });
    assertEquals(determineType(undefined), { type: "null" });
    assertEquals(determineType("hello"), { type: "string" });
    assertEquals(determineType(10), { type: "number" });
    assertEquals(determineType(true), { type: "boolean" });
    assertEquals(determineType({}), { type: "object", properties: {} });
    assertEquals(determineType([]), { type: "array" });
    assertEquals(determineType([1]), {
        type: "array",
        items: { type: "number" },
    });
    assertEquals(
        determineType({ name: "Pete", age: 10, siblings: ["Sarah"] }),
        {
            type: "object",
            properties: {
                name: { type: "string" },
                age: { type: "number" },
                siblings: { type: "array", items: { type: "string" } },
            },
        },
    );
});

Deno.test("Serialize JSON Type to string", () => {
    assertEquals(jsonTypeToString({ type: "string" }), "string");
    assertEquals(jsonTypeToString({ type: "null" }), "null");
    assertEquals(jsonTypeToString({ type: "number" }), "number");
    assertEquals(jsonTypeToString({ type: "boolean" }), "boolean");
    assertEquals(jsonTypeToString({ type: "array" }), "any[]");
    assertEquals(
        jsonTypeToString({ type: "array", items: { type: "number" } }),
        "number[]",
    );
    assertEquals(
        jsonTypeToString({ type: "object", properties: {} }),
        "{}",
    );
    assertEquals(
        jsonTypeToString({
            type: "object",
            properties: {
                name: { type: "string" },
                age: { type: "number" },
            },
        }),
        "{name: string; age: number;}",
    );
    assertEquals(
        jsonTypeToString({
            anyOf: [
                { type: "string" },
                { type: "number" },
                { type: "boolean" },
            ],
        }),
        "string | number | boolean",
    );
});