import { test, expect, type Page } from "@playwright/test";
import { mockContentList, mockDetailItem } from "./fixtures";

async function mockTrendingAPI(page: Page, items = mockContentList) {
  await page.route(/\/api\/tikhub\//, async (route) => {
    const url = route.request().url();
    if (url.includes("/detail")) {
      await route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ data: mockDetailItem }),
      });
      return;
    }
    const match = url.match(/\/api\/tikhub\/(\w+)/);
    const platform = match?.[1];
    const filtered = items.filter((i) => i.platform === platform);
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ data: filtered }),
    });
  });
}

test.describe("首页浏览流程", () => {
  test("首页加载并显示内容卡片", async ({ page }) => {
    await mockTrendingAPI(page);
    await page.goto("/");

    await expect(page.getByTestId("content-grid")).toBeVisible();
    const cards = page.getByTestId("content-card");
    await expect(cards).toHaveCount(9);
  });

  test("平台切换", async ({ page }) => {
    await mockTrendingAPI(page);
    await page.goto("/");
    await expect(page.getByTestId("content-grid")).toBeVisible();

    // Switch to douyin — 2 items (dy-001, dy-004)
    await page.getByTestId("platform-tab-douyin").click();
    await expect(page.getByTestId("content-card")).toHaveCount(2);

    // Switch to tiktok — 1 item (tt-002)
    await page.getByTestId("platform-tab-tiktok").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch to xiaohongshu — 1 item (xhs-003)
    await page.getByTestId("platform-tab-xiaohongshu").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch to youtube — 1 item (yt-005)
    await page.getByTestId("platform-tab-youtube").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch to instagram — 1 item (ig-006)
    await page.getByTestId("platform-tab-instagram").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch to twitter — 1 item (tw-007)
    await page.getByTestId("platform-tab-twitter").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch to bilibili — 1 item (bl-008)
    await page.getByTestId("platform-tab-bilibili").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch to weibo — 1 item (wb-009)
    await page.getByTestId("platform-tab-weibo").click();
    await expect(page.getByTestId("content-card")).toHaveCount(1);

    // Switch back to all — 9 items
    await page.getByTestId("platform-tab-all").click();
    await expect(page.getByTestId("content-card")).toHaveCount(9);
  });

  test("排序功能", async ({ page }) => {
    await mockTrendingAPI(page);
    await page.goto("/");
    await expect(page.getByTestId("content-grid")).toBeVisible();

    // Default: play_count desc — YouTube (10M) first
    await expect(page.getByTestId("content-card").first()).toContainText(
      "YouTube Top Music"
    );

    // Switch sort field to like_count
    await page.getByTestId("sort-select").selectOption("like_count");
    // like_count desc: yt-005(500K) first
    await expect(page.getByTestId("content-card").first()).toContainText(
      "YouTube Top Music"
    );

    // Toggle to ascending
    await page.getByTestId("sort-order").click();
    // like_count asc: dy-004(35K) first
    await expect(page.getByTestId("content-card").first()).toContainText(
      "生活小妙招"
    );
  });

  test("卡片导航到详情页", async ({ page }) => {
    await mockTrendingAPI(page);
    await page.goto("/");
    await expect(page.getByTestId("content-grid")).toBeVisible();

    // Default sort: play_count desc → first card is YouTube (yt-005, 10M)
    await page.getByTestId("content-card").first().click();
    await expect(page).toHaveURL(/\/detail\/youtube\/yt-005/);
  });

  test("空状态", async ({ page }) => {
    await mockTrendingAPI(page, []);
    await page.goto("/");

    await expect(page.getByTestId("empty-state")).toBeVisible();
    await expect(page.getByText("暂无内容")).toBeVisible();
  });

  test("错误状态和重试", async ({ page }) => {
    await page.route(/\/api\/tikhub\//, async (route) => {
      await route.fulfill({
        status: 500,
        contentType: "application/json",
        body: JSON.stringify({ error: "服务器错误" }),
      });
    });

    await page.goto("/");
    await expect(page.getByText("加载失败")).toBeVisible({ timeout: 30_000 });
    await expect(page.getByTestId("error-retry")).toBeVisible();
  });
});