// tests/env-store.test.js
// 测试 env-store.js：环境 CRUD（数据存于 chrome.storage.session）
// 运行：node --test tests/env-store.test.js

const { describe, it, beforeEach } = require("node:test");
const assert = require("node:assert/strict");

// 内存版 storage，同时模拟 local 和 session
function createMemoryStorage() {
  const local = {};
  const session = {};
  const makeArea = (store) => ({
    async get(keys) {
      const result = {};
      if (Array.isArray(keys)) {
        keys.forEach((k) => {
          if (k in store) result[k] = store[k];
        });
      } else if (typeof keys === "string") {
        if (keys in store) result[keys] = store[keys];
      } else {
        Object.assign(result, store);
      }
      return result;
    },
    async set(items) {
      Object.assign(store, items);
    },
    async remove(keys) {
      if (Array.isArray(keys)) keys.forEach((k) => delete store[k]);
      else delete store[keys];
    },
    _dump() {
      return store;
    },
  });
  return { local: makeArea(local), session: makeArea(session), localStore: local, sessionStore: session };
}

function loadEnvStore(storage) {
  global.chrome = { storage };
  delete require.cache[require.resolve("../dist/env-store.js")];
  return require("../dist/env-store.js");
}

describe("env-store - 读写 session", () => {
  it("未解锁（session 空）时返回空环境", async () => {
    const storage = createMemoryStorage();
    const EnvStore = loadEnvStore(storage);
    const { environments, activeEnvId } = await EnvStore.loadEnvironments();
    assert.deepEqual(environments, []);
    assert.equal(activeEnvId, null);
  });

  it("saveEnvironments / loadEnvironments 读写 session", async () => {
    const storage = createMemoryStorage();
    const EnvStore = loadEnvStore(storage);
    const envs = [{ id: "e1", name: "个人", configs: [] }];
    await EnvStore.saveEnvironments(envs, "e1");
    const loaded = await EnvStore.loadEnvironments();
    assert.equal(loaded.environments.length, 1);
    assert.equal(loaded.environments[0].name, "个人");
    assert.equal(loaded.activeEnvId, "e1");
    // 数据落在 session，不在 local
    assert.ok(storage.sessionStore.environments);
    assert.equal(storage.localStore.environments, undefined);
  });
});

describe("env-store - 环境 CRUD", () => {
  let EnvStore, storage;

  beforeEach(async () => {
    storage = createMemoryStorage();
    EnvStore = loadEnvStore(storage);
    await EnvStore.saveEnvironments(
      [
        { id: "e1", name: "个人", configs: [] },
        { id: "e2", name: "测试", configs: [] },
        { id: "e3", name: "生产", configs: [] },
      ],
      "e1",
    );
  });

  it("createEnvironment 新增并激活", async () => {
    const env = await EnvStore.createEnvironment("客户A");
    assert.equal(env.name, "客户A");
    const { environments, activeEnvId } = await EnvStore.loadEnvironments();
    assert.equal(environments.length, 4);
    assert.equal(activeEnvId, env.id);
  });

  it("renameEnvironment", async () => {
    await EnvStore.renameEnvironment("e1", "个人-改");
    const { environments } = await EnvStore.loadEnvironments();
    assert.equal(environments[0].name, "个人-改");
  });

  it("deleteEnvironment 非当前环境，active 不变", async () => {
    await EnvStore.deleteEnvironment("e2");
    const { environments, activeEnvId } = await EnvStore.loadEnvironments();
    assert.equal(environments.length, 2);
    assert.equal(activeEnvId, "e1");
  });

  it("deleteEnvironment 当前环境，自动切到第一个", async () => {
    await EnvStore.deleteEnvironment("e1");
    const { environments, activeEnvId } = await EnvStore.loadEnvironments();
    assert.equal(environments.length, 2);
    assert.equal(activeEnvId, environments[0].id);
  });

  it("deleteEnvironment 只剩一个时抛错", async () => {
    await EnvStore.deleteEnvironment("e1");
    await EnvStore.deleteEnvironment("e2");
    const { environments } = await EnvStore.loadEnvironments();
    assert.equal(environments.length, 1);
    await assert.rejects(() => EnvStore.deleteEnvironment(environments[0].id), /至少保留一个环境/);
  });

  it("setActiveEnv + getActiveEnv", async () => {
    await EnvStore.setActiveEnv("e3");
    const env = await EnvStore.getActiveEnv();
    assert.equal(env.id, "e3");
  });

  it("超过 5 个环境时抛错", async () => {
    // 已有 3 个，再加 2 个到上限
    await EnvStore.createEnvironment("env4");
    await EnvStore.createEnvironment("env5");
    const { environments } = await EnvStore.loadEnvironments();
    assert.equal(environments.length, 5);
    // 第 6 个应被拒绝
    await assert.rejects(() => EnvStore.createEnvironment("env6"), /最多 5 个环境/);
    const after = await EnvStore.loadEnvironments();
    assert.equal(after.environments.length, 5);
  });
});

describe("env-store - 配置 CRUD", () => {
  let EnvStore, storage;

  beforeEach(async () => {
    storage = createMemoryStorage();
    EnvStore = loadEnvStore(storage);
    await EnvStore.saveEnvironments(
      [
        { id: "e1", name: "个人", configs: [] },
        { id: "e2", name: "测试", configs: [] },
      ],
      "e1",
    );
  });

  it("saveConfigs / loadConfigs 读写当前环境", async () => {
    const cfg = { id: "c1", domain: "a.com", username: "u", password: "p" };
    await EnvStore.saveConfigs([cfg]);
    const configs = await EnvStore.loadConfigs();
    assert.equal(configs.length, 1);
    assert.equal(configs[0].domain, "a.com");
  });

  it("loadAllConfigs 扁平化并附带 envId/envName", async () => {
    await EnvStore.saveConfigs([{ id: "c1", domain: "a.com", username: "u1", password: "p1" }]);
    await EnvStore.setActiveEnv("e2");
    await EnvStore.saveConfigs([{ id: "c2", domain: "b.com", username: "u2", password: "p2" }]);

    const all = await EnvStore.loadAllConfigs();
    assert.equal(all.length, 2);
    assert.ok(all.every((c) => c.envId && c.envName));
    assert.deepEqual(all.map((c) => c.domain).sort(), ["a.com", "b.com"]);
  });

  it("deleteEnvironment 清理 local 中该环境的失败计数", async () => {
    // 失败计数存于 local
    await storage.local.set({
      loginAttempts: {
        "e2::a.com": { count: 3, lastAttempt: Date.now() },
        "other::b.com": { count: 1, lastAttempt: Date.now() },
      },
    });
    await EnvStore.deleteEnvironment("e2");
    const attempts = (await storage.local.get("loginAttempts")).loginAttempts;
    assert.equal(attempts["e2::a.com"], undefined);
    assert.ok(attempts["other::b.com"]);
  });
});