import { expect } from "bun:test";
import { forEachDb } from "../../db/test/helpers";
import { createSecretBox } from "../src/crypto";
import { aiSettingsRepo } from "../src/settings";

const box = createSecretBox("test-secret");

forEachDb("server config is empty by default and hides the key", async (db) => {
  const r = aiSettingsRepo(db, box);
  expect(await r.getServer()).toEqual({ provider: null, mcpServers: [], allowedBaseUrls: [] });
  expect(await r.serverApiKey()).toBeNull();

  await r.saveServer({ provider: { kind: "anthropic", model: "claude-opus-5-5", apiKey: "sk-ant-SECRET" }, mcpServers: [] });
  const got = await r.getServer();
  expect(got.provider).toEqual({ kind: "anthropic", model: "claude-opus-5-5", hasApiKey: true });
  expect(JSON.stringify(got)).not.toContain("SECRET");
  const raw = await db.sql`SELECT config_json FROM ai_settings WHERE scope = 'server'`;
  expect(raw[0].config_json).not.toContain("SECRET");
  expect(await r.serverApiKey()).toBe("sk-ant-SECRET");

  // Saving without apiKey keeps the old key; clearApiKey removes it.
  await r.saveServer({ provider: { kind: "anthropic", model: "other" }, mcpServers: [{ id: "fs", name: "Files", transport: "stdio", command: "x" }] });
  expect(await r.serverApiKey()).toBe("sk-ant-SECRET");
  expect((await r.getServer()).mcpServers).toHaveLength(1);
  await r.saveServer({ provider: { kind: "openai", baseUrl: "http://ollama:11434/v1", model: "llama3", clearApiKey: true }, mcpServers: [] });
  expect(await r.serverApiKey()).toBeNull();
  expect((await r.getServer()).provider).toEqual({ kind: "openai", baseUrl: "http://ollama:11434/v1", model: "llama3", hasApiKey: false });
  await r.saveServer({ provider: null, mcpServers: [] });
  expect((await r.getServer()).provider).toBeNull();
});

forEachDb("BYOK keys are encrypted, per user and removable", async (db) => {
  const r = aiSettingsRepo(db, box);
  expect((await r.getUser("u1")).byok).toBeNull();
  await r.saveUserKey("u1", { kind: "anthropic", apiKey: "sk-user-SECRET" });
  expect((await r.getUser("u1")).byok).toEqual({ kind: "anthropic", hasApiKey: true });
  expect((await r.getUser("u2")).byok).toBeNull();
  const raw = await db.sql`SELECT ciphertext FROM user_api_keys WHERE user_id = 'u1'`;
  expect(raw[0].ciphertext).not.toContain("SECRET");
  expect(await r.userApiKey("u1")).toBe("sk-user-SECRET");
  expect(await r.userApiKey("u2")).toBeNull();
  // replacing with another provider drops the old key
  await r.saveUserKey("u1", { kind: "openai", baseUrl: "https://api.example.com/v1", model: "m", apiKey: "k2" });
  expect(await r.userApiKey("u1")).toBe("k2");
  expect((await db.sql`SELECT COUNT(*) AS n FROM user_api_keys WHERE user_id = 'u1'`)[0].n.toString()).toBe("1");
  await r.removeUserKey("u1");
  expect((await r.getUser("u1")).byok).toBeNull();
  expect(await r.userApiKey("u1")).toBeNull();
});

forEachDb("mentor mode is on by default and toggles per course", async (db) => {
  const r = aiSettingsRepo(db, box);
  expect(await r.isMentorOff("u1", "sample")).toBe(false);
  await r.setMentorOff("u1", "sample", true);
  expect(await r.isMentorOff("u1", "sample")).toBe(true);
  expect(await r.isMentorOff("u1", "pure-snake")).toBe(false);
  expect(await r.isMentorOff("u2", "sample")).toBe(false);
  await r.saveUserKey("u1", { kind: "anthropic", apiKey: "k" });
  expect(await r.isMentorOff("u1", "sample")).toBe(true);
  await r.setMentorOff("u1", "sample", false);
  expect(await r.isMentorOff("u1", "sample")).toBe(false);
  expect((await r.getUser("u1")).byok?.kind).toBe("anthropic");
});