import { hashToken } from "@minecraft-account-manager/auth";
import { beforeEach, describe, expect, it, vi } from "vitest";

const databaseState = vi.hoisted(() => ({
  account: { id: "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa", userId: "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" } as { id: string; userId: string } | null,
  inserts: [] as Record<string, unknown>[],
  credentialHash: "" as string | null,
  replay: false,
}));

vi.mock("@/lib/database", () => ({
  db: {
    select: () => ({
      from: () => ({
        where: () => ({
          limit: async () => databaseState.credentialHash ? [{ secretHash: databaseState.credentialHash }] : [],
        }),
      }),
    }),
    transaction: async (callback: (tx: unknown) => Promise<unknown>) => callback({
      delete: () => ({ where: async () => undefined }),
      insert: () => ({
        values: async (value: Record<string, unknown>) => {
          if (databaseState.replay && "requestId" in value) {
            throw { code: "23505", constraint_name: "plugin_requests_pkey" };
          }
          databaseState.inserts.push(value);
        },
      }),
      select: () => ({
        from: () => ({
          where: () => ({
            limit: async () => databaseState.account ? [databaseState.account] : [],
          }),
        }),
      }),
    }),
  },
}));

import { GET, POST } from "./route";

function validRequest(overrides: Record<string, unknown> = {}) {
  return new Request("http://localhost/api/velocity/connection", {
    method: "POST",
    headers: { authorization: "Bearer valid-token", "content-type": "application/json" },
    body: JSON.stringify({
      requestId: "8dd9dbdc-020a-4077-983c-77747522de8f",
      serverId: "velocity-main",
      minecraftUuid: "069a79f444e94726a5befca90e38aaf5",
      username: "Notch",
      occurredAt: new Date().toISOString(),
      ...overrides,
    }),
  });
}

describe("Velocity connection reporting endpoint", () => {
  beforeEach(() => {
    databaseState.account = { id: "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa", userId: "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" };
    databaseState.inserts = [];
    databaseState.credentialHash = hashToken("valid-token");
    databaseState.replay = false;
  });

  it("rejects methods other than POST with Problem Details", async () => {
    const response = GET(new Request("http://localhost/api/velocity/connection"));
    expect(response.status).toBe(405);
    expect(response.headers.get("content-type")).toContain("application/problem+json");
    expect(response.headers.get("allow")).toBe("POST");
  });

  it("requires a server credential", async () => {
    const response = await POST(new Request("http://localhost/api/velocity/connection", {
      method: "POST",
      headers: { "content-type": "application/json" },
      body: "{}",
    }));
    expect(response.status).toBe(401);
  });

  it("validates the report before database access", async () => {
    const response = await POST(new Request("http://localhost/api/velocity/connection", {
      method: "POST",
      headers: { authorization: "Bearer test", "content-type": "application/json" },
      body: JSON.stringify({ username: "bad name" }),
    }));
    expect(response.status).toBe(400);
    await expect(response.json()).resolves.toMatchObject({ type: "urn:error:invalid-velocity-connection-request", status: 400 });
  });

  it("rejects invalid or revoked server credentials", async () => {
    databaseState.credentialHash = null;
    const response = await POST(validRequest());
    expect(response.status).toBe(401);
    expect(databaseState.inserts).toHaveLength(0);
  });

  it("rejects stale reports before recording them", async () => {
    const response = await POST(validRequest({ occurredAt: "2026-01-01T00:00:00.000Z" }));
    expect(response.status).toBe(401);
    expect(databaseState.inserts).toHaveLength(0);
  });

  it("authenticates and atomically records a confirmed account connection", async () => {
    const response = await POST(validRequest());
    expect(response.status).toBe(204);
    expect(databaseState.inserts).toEqual(expect.arrayContaining([
      expect.objectContaining({ requestId: "8dd9dbdc-020a-4077-983c-77747522de8f", serverId: "velocity-main" }),
      expect.objectContaining({
        type: "games.minecraft.account-manager.game.player.connected",
        subject: "minecraft-account/aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa",
        actorUserId: "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb",
      }),
    ]));
  });

  it("rejects replayed request IDs", async () => {
    databaseState.replay = true;
    const response = await POST(validRequest());
    expect(response.status).toBe(409);
    await expect(response.json()).resolves.toMatchObject({
      type: "urn:error:replayed-velocity-connection-request",
      status: 409,
    });
  });

  it("does not record an event for an unknown account", async () => {
    databaseState.account = null;
    const response = await POST(validRequest());
    expect(response.status).toBe(404);
    expect(databaseState.inserts).toHaveLength(1);
  });
});