import { expect, test } from "@playwright/test"

/**
 * 私信模块 E2E 测试。
 * 未登录场景可独立运行；登录后场景需要 DATABASE_URL。
 * 参考 announcements.spec.ts 的登录与跳转断言模式。
 */

test.describe("Messages module", () => {
  test.describe("unauthenticated access", () => {
    test("redirects to login when not authenticated", async ({ page }) => {
      await page.goto("/messages")
      await expect(page).toHaveURL(/\/login(?:$|[/?#])/)
    })

    test("redirects message detail to login when not authenticated", async ({ page }) => {
      await page.goto("/messages/some-id")
      await expect(page).toHaveURL(/\/login(?:$|[/?#])/)
    })

    test("redirects compose to login when not authenticated", async ({ page }) => {
      await page.goto("/messages/compose")
      await expect(page).toHaveURL(/\/login(?:$|[/?#])/)
    })
  })

  test.describe("authenticated access", () => {
    test.beforeEach(async ({ page }) => {
      test.skip(!process.env.DATABASE_URL, "requires DATABASE_URL for authenticated flow")

      const email = process.env.E2E_STUDENT_EMAIL ?? "student@e2e.local"
      const password = process.env.E2E_STUDENT_PASSWORD ?? "e2e-pass-123456"

      await page.goto("/login")
      await page.getByLabel("Email").fill(email)
      await page.getByLabel("Password").fill(password)
      await page.getByRole("button", { name: "Sign In with Email" }).click()
    })

    test("messages page loads and stays authenticated", async ({ page }) => {
      await page.goto("/messages")
      await expect(page.locator("body")).toBeVisible()
      await expect(page).not.toHaveURL(/\/login(?:$|[/?#])/)
    })

    test("messages page has tab navigation", async ({ page }) => {
      await page.goto("/messages")
      const tabs = page.locator('[role="tab"]')
      await expect(tabs.first()).toBeVisible({ timeout: 10000 })
      const tabCount = await tabs.count()
      expect(tabCount).toBeGreaterThanOrEqual(2)
    })

    test("messages page renders without error", async ({ page }) => {
      await page.goto("/messages")
      await expect(page.locator("body")).toBeVisible()
    })

    test("message compose page loads", async ({ page }) => {
      await page.goto("/messages/compose")
      await expect(page.locator("body")).toBeVisible()
    })
  })
})