import { afterEach, describe, expect, it, vi } from "vitest";
import { getGameProfile } from "@/lib/game/game-profile";

afterEach(() => {
    vi.unstubAllGlobals();
    vi.restoreAllMocks();
});

function mockFetch(handler: (url: string, init?: RequestInit) => unknown) {
    vi.stubGlobal(
        "fetch",
        vi.fn(async (url: string, init?: RequestInit) => handler(url, init)),
    );
}

function ok(data: unknown) {
    return { ok: true, json: async () => data };
}

function baseEnv() {
    vi.stubGlobal("process", { ...process, env: {} });
}

describe("getGameProfile", () => {
    it("rejects non-numeric ids without fetching", async () => {
        baseEnv();
        const fetchMock = vi.fn();
        vi.stubGlobal("fetch", fetchMock);
        await expect(getGameProfile("abc")).resolves.toBeNull();
        expect(fetchMock).not.toHaveBeenCalled();
    });

    it("assembles a profile from Steam when providers are absent", async () => {
        baseEnv();
        mockFetch((url) => {
            if (url.includes("discord.com")) {
                return ok({ id: "1", name: "Game" });
            }
            if (url.includes("detectables")) {
                return ok([
                    {
                        id: "1",
                        name: "Game",
                        third_party_skus: [{ distributor: "steam", id: "100" }],
                    },
                ]);
            }
            if (url.includes("appdetails")) {
                return ok({
                    "100": {
                        success: true,
                        data: {
                            name: "Game",
                            developers: ["Dev"],
                            publishers: ["Pub"],
                            platforms: { windows: true, mac: false, linux: false },
                        },
                    },
                });
            }
            if (url.includes("appreviews")) {
                return ok({
                    query_summary: {
                        review_score_desc: "Positive",
                        total_positive: 8,
                        total_negative: 2,
                        total_reviews: 10,
                    },
                });
            }
            throw new Error(`unexpected fetch: ${url}`);
        });
        const profile = await getGameProfile("1", "en", "US");
        expect(profile?.name).toBe("Game");
        expect(profile?.developers).toEqual(["Dev"]);
        expect(profile?.platforms).toContain("Windows");
        expect(profile?.sources).toEqual({ igdb: false, steam: true, itad: false });
        expect(profile?.itad).toBeNull();
    });

    it("returns null when Discord RPC is missing", async () => {
        baseEnv();
        mockFetch((url) => {
            if (url.includes("discord.com")) {
                return { ok: false, status: 404 };
            }
            throw new Error(`unexpected fetch: ${url}`);
        });
        await expect(getGameProfile("1")).resolves.toBeNull();
    });
});