import type { Actor } from "@rakazo/contracts";
import type { PrismaClient } from "@rakazo/db";
import { Hono } from "hono";
import { describe, expect, it, vi } from "vitest";
import {
  disconnectVoiceCredential,
  MAX_SPEAK_REQUEST_BYTES,
  MAX_TRANSCRIBE_REQUEST_BYTES,
  mountVoiceHttpRoutes,
  toVoiceStatus,
  type VoiceDeps,
} from "./voice.js";

describe("toVoiceStatus", () => {
  it("treats a saved key without a voice as configured but not ready", () => {
    expect(toVoiceStatus({ provider: "kokoro", voiceId: "" })).toEqual({
      configured: true,
      ready: false,
      transcribe: false,
      provider: "kokoro",
      voiceId: "",
    });
  });

  it("is ready once a voice is chosen", () => {
    expect(toVoiceStatus({ provider: "kokoro", voiceId: "df_eva" }).ready).toBe(true);
    expect(toVoiceStatus({ provider: "kokoro", voiceId: "df_eva" }).transcribe).toBe(false);
  });

  it("is off when nothing is connected", () => {
    expect(toVoiceStatus(null)).toEqual({
      configured: false,
      ready: false,
      transcribe: false,
      provider: null,
      voiceId: "",
    });
  });
});

describe("voice HTTP routes", () => {
  it("rejects unauthenticated speak and transcribe", async () => {
    const app = new Hono();
    mountVoiceHttpRoutes(app, {} as VoiceDeps, async () => null);
    const speak = await app.request("/api/voice/speak", {
      method: "POST",
      headers: { "content-type": "application/json" },
      body: JSON.stringify({ text: "hello" }),
    });
    const transcribe = await app.request("/api/voice/transcribe", {
      method: "POST",
      headers: { "content-type": "application/json" },
      body: JSON.stringify({ audioBase64: "AAAA", mimeType: "audio/webm" }),
    });
    expect(speak.status).toBe(401);
    expect(transcribe.status).toBe(401);
  });

  it.each([
    ["/api/voice/speak", MAX_SPEAK_REQUEST_BYTES],
    ["/api/voice/transcribe", MAX_TRANSCRIBE_REQUEST_BYTES],
  ])(
    "rejects a declared oversized body on %s without waiting for cancellation",
    async (path, max) => {
      const cancel = vi.fn(() => new Promise<void>(() => undefined));
      const request = new Request(`http://localhost${path}`, {
        method: "POST",
        headers: {
          "content-type": "application/json",
          "content-length": String(max + 1),
        },
        body: new ReadableStream({ cancel }),
        duplex: "half",
      } as RequestInit & { duplex: "half" });
      const app = new Hono();
      mountVoiceHttpRoutes(
        app,
        {} as VoiceDeps,
        async () => ({ userId: "user", spaceId: "space" }) as Actor,
      );

      const response = await app.request(request);

      expect(response.status).toBe(413);
      await expect(response.json()).resolves.toEqual({ error: "Request body is too large." });
      expect(cancel).toHaveBeenCalledOnce();
    },
  );

  it("stops reading a streamed oversized speak body", async () => {
    const cancel = vi.fn(() => new Promise<void>(() => undefined));
    const request = new Request("http://localhost/api/voice/speak", {
      method: "POST",
      headers: { "content-type": "application/json" },
      body: new ReadableStream({
        start(controller) {
          controller.enqueue(new Uint8Array(MAX_SPEAK_REQUEST_BYTES + 1));
        },
        cancel,
      }),
      duplex: "half",
    } as RequestInit & { duplex: "half" });
    const app = new Hono();
    mountVoiceHttpRoutes(
      app,
      {} as VoiceDeps,
      async () => ({ userId: "user", spaceId: "space" }) as Actor,
    );

    const response = await app.request(request);

    expect(response.status).toBe(413);
    expect(cancel).toHaveBeenCalledOnce();
  });
});

const actor = { userId: "user-1", spaceId: "space-1" } as Actor;

function makeDisconnectDeps(
  overrides: {
    existing?: Array<{ id: string; secretId: string; userId: string; provider: string }>;
    modelReferences?: number;
    voiceReferences?: number;
  } = {},
) {
  const rows = overrides.existing ?? [];
  const findMany = vi.fn().mockResolvedValue(rows);
  const preferenceDeleteMany = vi.fn().mockResolvedValue({ count: rows.length });
  const credentialDeleteMany = vi.fn().mockResolvedValue({ count: rows.length });
  const modelCount = vi.fn().mockResolvedValue(overrides.modelReferences ?? 0);
  const voiceCount = vi.fn().mockResolvedValue(overrides.voiceReferences ?? 0);
  const secretDeleteMany = vi.fn().mockResolvedValue({ count: 1 });
  const prisma = {
    userVoiceCredential: {
      findMany,
      deleteMany: credentialDeleteMany,
      count: voiceCount,
    },
    spaceVoicePreference: { deleteMany: preferenceDeleteMany },
    userModelCredential: { count: modelCount },
    secret: { deleteMany: secretDeleteMany },
    $transaction: vi.fn(),
  };
  prisma.$transaction.mockImplementation(async (callback: (tx: typeof prisma) => unknown) =>
    callback(prisma),
  );
  const deps = {
    prisma: prisma as unknown as PrismaClient,
    secrets: { put: vi.fn(), load: vi.fn() },
  } as unknown as VoiceDeps;
  return {
    deps,
    findMany,
    preferenceDeleteMany,
    credentialDeleteMany,
    secretDeleteMany,
    transaction: prisma.$transaction,
  };
}

describe("disconnectVoiceCredential", () => {
  it("removes the actor credential, clears its default, and deletes an unreferenced secret", async () => {
    const existing = {
      id: "cred-1",
      secretId: "secret-1",
      userId: actor.userId,
      provider: "scripted",
    };
    const { deps, findMany, preferenceDeleteMany, credentialDeleteMany, secretDeleteMany } =
      makeDisconnectDeps({ existing: [existing] });

    await expect(disconnectVoiceCredential(deps, actor, { provider: "scripted" })).resolves.toEqual(
      {
        ok: true,
      },
    );

    expect(findMany).toHaveBeenCalledWith({
      where: { userId: actor.userId, provider: "scripted" },
    });
    expect(preferenceDeleteMany).toHaveBeenCalledWith({
      where: { userId: actor.userId, credentialId: { in: ["cred-1"] } },
    });
    expect(credentialDeleteMany).toHaveBeenCalledWith({
      where: { userId: actor.userId, id: { in: ["cred-1"] } },
    });
    expect(secretDeleteMany).toHaveBeenCalledWith({ where: { id: "secret-1" } });
  });

  it("removes every actor credential for that provider", async () => {
    const { deps, preferenceDeleteMany, credentialDeleteMany, secretDeleteMany } =
      makeDisconnectDeps({
        existing: [
          {
            id: "cred-new",
            secretId: "secret-new",
            userId: actor.userId,
            provider: "scripted",
          },
          {
            id: "cred-old",
            secretId: "secret-old",
            userId: actor.userId,
            provider: "scripted",
          },
        ],
      });

    await expect(disconnectVoiceCredential(deps, actor, { provider: "scripted" })).resolves.toEqual(
      {
        ok: true,
      },
    );

    expect(preferenceDeleteMany).toHaveBeenCalledWith({
      where: { userId: actor.userId, credentialId: { in: ["cred-new", "cred-old"] } },
    });
    expect(credentialDeleteMany).toHaveBeenCalledWith({
      where: { userId: actor.userId, id: { in: ["cred-new", "cred-old"] } },
    });
    expect(secretDeleteMany).toHaveBeenCalledWith({ where: { id: "secret-new" } });
    expect(secretDeleteMany).toHaveBeenCalledWith({ where: { id: "secret-old" } });
  });

  it("keeps a secret while another credential still references it", async () => {
    const { deps, credentialDeleteMany, secretDeleteMany } = makeDisconnectDeps({
      existing: [
        {
          id: "cred-1",
          secretId: "secret-shared",
          userId: actor.userId,
          provider: "scripted",
        },
      ],
      voiceReferences: 1,
    });

    await expect(disconnectVoiceCredential(deps, actor, { provider: "scripted" })).resolves.toEqual(
      {
        ok: true,
      },
    );

    expect(credentialDeleteMany).toHaveBeenCalled();
    expect(secretDeleteMany).not.toHaveBeenCalled();
  });

  it("does not delete another actor's credential", async () => {
    const { deps, findMany, preferenceDeleteMany, credentialDeleteMany, secretDeleteMany } =
      makeDisconnectDeps();

    await expect(
      disconnectVoiceCredential(deps, { ...actor, userId: "intruder" }, { provider: "scripted" }),
    ).resolves.toEqual({ ok: true });

    expect(findMany).toHaveBeenCalledWith({
      where: { userId: "intruder", provider: "scripted" },
    });
    expect(preferenceDeleteMany).not.toHaveBeenCalled();
    expect(credentialDeleteMany).not.toHaveBeenCalled();
    expect(secretDeleteMany).not.toHaveBeenCalled();
  });

  it("rejects a blank provider before opening a transaction", async () => {
    const { deps, transaction } = makeDisconnectDeps();

    await expect(disconnectVoiceCredential(deps, actor, { provider: "   " })).rejects.toMatchObject(
      {
        code: "BAD_REQUEST",
      },
    );
    expect(transaction).not.toHaveBeenCalled();
  });
});