import { test, expect } from "@playwright/test";
import { E2E_ADMIN, FIXED_CAPTCHA } from "../fixtures/test-users";

const MOCK_REPLY = "你好！这是一个测试回复。";

async function loginViaUI(page: import("@playwright/test").Page) {
  await page.goto("/auth/login");
  await page.fill("#login-username", E2E_ADMIN.username);
  await page.fill("#login-password", E2E_ADMIN.password);
  await page.fill("#login-captcha", FIXED_CAPTCHA);
  await page.click('button[type="submit"]');
  await page.waitForURL("/", { timeout: 15000 });
  await expect(page.locator(".agent-textarea")).toBeVisible({ timeout: 10000 });
  await page.waitForTimeout(1000);
  const newChatBtn = page.locator(".new-chat-btn").first();
  if (await newChatBtn.isVisible()) {
    await newChatBtn.click();
    await page.waitForTimeout(500);
  }
}

test.describe("Agent 对话", () => {
  test("首页显示欢迎页和示例卡片", async ({ page }) => {
    await loginViaUI(page);

    await expect(page.locator(".agent-welcome")).toBeVisible({ timeout: 10000 });
    await expect(page.locator(".welcome-title")).toContainText("有什么可以帮你的");
    await expect(page.locator(".example-card")).toHaveCount(4);
  });

  test("输入框和发送按钮存在", async ({ page }) => {
    await loginViaUI(page);

    await expect(page.locator(".agent-textarea")).toBeVisible({ timeout: 10000 });
    await expect(page.locator(".btn-send")).toBeVisible();
  });

  test("空消息时发送按钮禁用", async ({ page }) => {
    await loginViaUI(page);

    const sendBtn = page.locator(".btn-send");
    await expect(sendBtn).toBeDisabled();
  });

  test("输入内容后发送按钮启用", async ({ page }) => {
    await loginViaUI(page);

    await page.fill(".agent-textarea", "测试消息");
    await expect(page.locator(".btn-send")).toBeEnabled();
  });

  test("点击示例卡片直接发送消息", async ({ page }) => {
    await loginViaUI(page);

    const firstExample = page.locator(".example-card").first();
    const exampleText = await firstExample.innerText();
    await firstExample.click();

    await expect(page.locator(".agent-message.is-user .user-bubble")).toContainText(exampleText, { timeout: 10000 });
  });

  test("发送消息后显示用户消息和助手回复", async ({ page }) => {
    await loginViaUI(page);

    const testMessage = "你好，这是一条测试消息";
    await page.fill(".agent-textarea", testMessage);
    await page.click(".btn-send");

    await expect(page.locator(".agent-message.is-user .user-bubble")).toContainText(testMessage, { timeout: 10000 });

    await expect(page.locator(".agent-message.is-assistant")).toBeVisible({ timeout: 10000 });

    await expect(
      page.locator(".agent-message.is-assistant .agent-markdown"),
    ).toContainText(MOCK_REPLY, { timeout: 30000 });
  });

  test("发送消息后显示加载动画", async ({ page }) => {
    await loginViaUI(page);

    await page.fill(".agent-textarea", "测试加载状态");
    await page.click(".btn-send");

    await expect(page.locator(".assistant-loading")).toBeVisible({ timeout: 5000 });
  });

  test("Enter 键发送消息", async ({ page }) => {
    await loginViaUI(page);

    const testMessage = "通过回车发送";
    await page.fill(".agent-textarea", testMessage);
    await page.press(".agent-textarea", "Enter");

    await expect(page.locator(".agent-message.is-user .user-bubble")).toContainText(testMessage, { timeout: 10000 });
  });

  test("流式响应完成后消息内容完整", async ({ page }) => {
    await loginViaUI(page);

    await page.fill(".agent-textarea", "请回复");
    await page.click(".btn-send");

    await expect(
      page.locator(".agent-message.is-assistant .agent-markdown"),
    ).toContainText(MOCK_REPLY, { timeout: 30000 });

    await expect(page.locator(".btn-stop")).not.toBeVisible({ timeout: 15000 });
    await expect(page.locator(".btn-send")).toBeVisible();
  });

  test("连续对话保留历史消息", async ({ page }) => {
    await loginViaUI(page);

    const firstMsg = "第一条消息";
    await page.fill(".agent-textarea", firstMsg);
    await page.click(".btn-send");

    await expect(page.locator(".agent-message.is-user .user-bubble").first()).toContainText(firstMsg, { timeout: 10000 });
    await expect(
      page.locator(".agent-message.is-assistant .agent-markdown").first(),
    ).toContainText(MOCK_REPLY, { timeout: 30000 });

    const secondMsg = "第二条消息";
    await page.fill(".agent-textarea", secondMsg);
    await page.click(".btn-send");

    await expect(page.locator(".agent-message.is-user")).toHaveCount(2, { timeout: 10000 });
    await expect(page.locator(".agent-message.is-assistant")).toHaveCount(2, { timeout: 30000 });
  });
});