import { describe, expect, it } from "@suaveplan/testing/runner";
import {
    GRAPHQL_UI_GRAPHIQL_CODES,
    type GraphqlUiGraphiqlCode,
    GraphqlUiGraphiqlError,
} from "./error-codes.js";

describe("GRAPHQL_UI_GRAPHIQL_CODES registry", () => {
    it("exposes the two contract-layer codes", { timeout: 5000 }, () => {
        expect(GRAPHQL_UI_GRAPHIQL_CODES.ASSET_MISSING).toBe(
            "GRAPHQL_UI_GRAPHIQL.ASSET_MISSING"
        );
        expect(GRAPHQL_UI_GRAPHIQL_CODES.ENDPOINT_COLLISION).toBe(
            "GRAPHQL_UI_GRAPHIQL.ENDPOINT_COLLISION"
        );
    });

    it("registry is frozen", { timeout: 5000 }, () => {
        expect(Object.isFrozen(GRAPHQL_UI_GRAPHIQL_CODES)).toBe(true);
    });

    it("GraphqlUiGraphiqlError mirrors code in graphiqlCode + name", {
        timeout: 5000,
    }, () => {
        const err = new GraphqlUiGraphiqlError(
            GRAPHQL_UI_GRAPHIQL_CODES.ASSET_MISSING,
            "boom"
        );
        expect(err).toBeInstanceOf(GraphqlUiGraphiqlError);
        expect(err.graphiqlCode).toBe(GRAPHQL_UI_GRAPHIQL_CODES.ASSET_MISSING);
        expect(err.code).toBe(GRAPHQL_UI_GRAPHIQL_CODES.ASSET_MISSING);
        expect(err.name).toBe("GraphqlUiGraphiqlError");
        expect(err.message).toBe("boom");
    });

    it("GraphqlUiGraphiqlError accepts cause + context", {
        timeout: 5000,
    }, () => {
        const cause = new Error("downstream");
        const err = new GraphqlUiGraphiqlError(
            GRAPHQL_UI_GRAPHIQL_CODES.ENDPOINT_COLLISION,
            "collision",
            { cause, context: { path: "/graphql/ui" } }
        );
        expect(err.cause).toBe(cause);
        expect(err.context).toEqual({ path: "/graphql/ui" });
    });

    it("GraphqlUiGraphiqlCode narrows correctly", { timeout: 5000 }, () => {
        const code: GraphqlUiGraphiqlCode =
            GRAPHQL_UI_GRAPHIQL_CODES.ENDPOINT_COLLISION;
        expect(code).toBe("GRAPHQL_UI_GRAPHIQL.ENDPOINT_COLLISION");
    });
});