import { expect, test, type Locator } from "@playwright/test";
import { mockAgentApi } from "./support/mock-agent-api";
import { mockWorkbenchContext } from "./support/mock-workbench-context";
import { expectThemeColor } from "./support/theme-colors";

test.beforeEach(async ({ page }) => {
  await page.emulateMedia({ reducedMotion: "reduce" });
  await mockWorkbenchContext(page);
  await mockAgentApi(page);
  await page.route("**/api/v1/models", (route) => route.fulfill({
    headers: { "Access-Control-Allow-Origin": "*" },
    json: {
      default_model: "test/fast",
      models: [
        { id: "test/fast", label: "快速", description: "快速回答和日常任务处理", icon: "bolt" },
        { id: "test/expert", label: "专家", description: "深入分析和复杂任务处理", icon: "sparkle" }
      ]
    }
  }));
});

for (const width of [1440, 375]) {
  test(`model options show hover and keyboard highlight without changing selection at ${width}px`, async ({ page }) => {
    await page.setViewportSize({ width, height: 900 });
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: width < 1024 ? "打开 Agent 面板" : /展开 Agent 助手面板/ }).click();
    // Radix hides the trigger from the accessibility tree while its modal menu is open.
    const trigger = page.locator('button[aria-label="选择 Agent 模型"]');
    await expect(trigger).toHaveAccessibleDescription("当前模型：快速");
    await trigger.click();
    await waitForMenuAnimations(page.getByRole("menu"));
    const fast = page.getByRole("menuitem", { name: /快速回答和日常任务处理/ });
    const expert = page.getByRole("menuitem", { name: /深入分析和复杂任务处理/ });
    const box = await expert.boundingBox();
    for (const item of [fast, expert]) {
      await item.hover();
      await expect(item).toHaveAttribute("data-highlighted", "");
      await expectThemeColor(item, "background-color", "--action-selection-soft-hover");
      await expectThemeColor(item, "border-color", "--action-border-hover");
      await expect(trigger).toHaveAttribute("aria-description", "当前模型：快速");
    }
    expect(await expert.boundingBox()).toEqual(box);
    await page.getByRole("menu").screenshot({ path: `test-results/agent-select-menu/model-${width}.png` });
    await page.keyboard.press("ArrowUp");
    await expect(fast).toBeFocused();
    await expectThemeColor(fast, "background-color", "--action-selection-soft-hover");
    await page.keyboard.press("ArrowDown");
    await expect(expert).toBeFocused();
    await page.keyboard.press("Enter");
    await expect(page.getByRole("menu")).toHaveCount(0);
    await expect(trigger).toHaveAccessibleDescription("当前模型：专家");
    await expect(trigger).toBeFocused();
  });

  test(`approval options highlight both selected and unselected modes at ${width}px`, async ({ page }) => {
    await page.setViewportSize({ width, height: 900 });
    await page.goto("/", { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: width < 1024 ? "打开 Agent 面板" : /展开 Agent 助手面板/ }).click();
    const trigger = page.locator('button[aria-label="权限批准模式"]');
    await trigger.click();
    await waitForMenuAnimations(page.getByRole("menu"));
    const request = page.getByRole("menuitem", { name: /需要审批的请求逐次确认/ });
    const always = page.getByRole("menuitem", { name: /自动批准本轮工具权限请求/ });
    for (const item of [request, always]) {
      await item.hover();
      await expectThemeColor(item, "background-color", "--action-selection-soft-hover");
      await expectThemeColor(item, "border-color", "--action-border-hover");
      await expect(trigger).toContainText("请求批准");
    }
    await page.getByRole("menu").screenshot({ path: `test-results/agent-select-menu/approval-${width}.png` });
    await always.click();
    await expect(page.getByRole("menu")).toHaveCount(0);
    await expect(trigger).toBeFocused();
    await expect(trigger).toContainText("始终允许");
    await trigger.click();
    await waitForMenuAnimations(page.getByRole("menu"));
    await always.hover();
    await expectThemeColor(always, "background-color", "--action-selection-soft-hover");
    await page.keyboard.press("ArrowUp");
    await expect(request).toBeFocused();
    await expectThemeColor(request, "background-color", "--action-selection-soft-hover");
    await page.keyboard.press("Enter");
    await expect(trigger).toContainText("请求批准");
    await expect(trigger).toBeFocused();
  });
}

test("sends the selected approval mode and can return to manual approval", async ({ page }) => {
  await page.goto("/", { waitUntil: "domcontentloaded" });
  await page.getByRole("button", { name: /展开 Agent 助手面板/ }).click();
  const trigger = page.getByRole("button", { name: "权限批准模式" });

  for (const [label, mode] of [
    ["自动批准本轮工具权限请求", "always"],
    ["需要审批的请求逐次确认", "request"],
  ] as const) {
    await expect(trigger).toBeEnabled();
    await trigger.click();
    await page.getByRole("menuitem", { name: new RegExp(label) }).click();
    await page.getByRole("textbox", { name: "询问供水问题，或描述需要处理的任务" }).fill(`验证权限模式 ${mode}`);
    const sent = page.waitForRequest((request) => request.method() === "POST" && request.url().endsWith("/api/v1/responses"));
    await page.getByRole("button", { name: "发送 Agent 指令" }).click();
    expect((await sent).postDataJSON().tjwater.approval_mode).toBe(mode);
  }
  await expect(trigger).toBeEnabled();
});

test("replaces a removed model before sending and shows the model actually submitted", async ({ page }) => {
  await page.goto("/", { waitUntil: "domcontentloaded" });
  await page.getByRole("button", { name: /展开 Agent 助手面板/ }).click();
  const trigger = page.getByRole("button", { name: "选择 Agent 模型" });
  await expect(trigger).toHaveAccessibleDescription("当前模型：快速");
  await trigger.click();
  await page.getByRole("menuitem", { name: /深入分析和复杂任务处理/ }).click();
  await expect(trigger).toHaveAccessibleDescription("当前模型：专家");

  // Simulate an Agent restart with a new catalog while this page stays open.
  await page.route("**/api/v1/models", (route) => route.fulfill({
    headers: { "Access-Control-Allow-Origin": "*" },
    json: {
      default_model: "waternetwork/gpt-6-luna",
      models: [{ id: "waternetwork/gpt-6-luna", label: "快速", description: "当前可用模型", icon: "bolt" }]
    }
  }));
  await page.getByRole("textbox", { name: "询问供水问题，或描述需要处理的任务" }).fill("检查更新后的快速模型");
  const sent = page.waitForRequest((request) => request.method() === "POST" && request.url().endsWith("/api/v1/responses"));
  await page.getByRole("button", { name: "发送 Agent 指令" }).click();
  expect((await sent).postDataJSON().model).toBe("waternetwork/gpt-6-luna");
  await expect(trigger).toHaveAccessibleDescription("当前模型：快速");
});

test("keeps an explicitly selected model when it remains available", async ({ page }) => {
  await page.goto("/", { waitUntil: "domcontentloaded" });
  await page.getByRole("button", { name: /展开 Agent 助手面板/ }).click();
  const trigger = page.getByRole("button", { name: "选择 Agent 模型" });
  await expect(trigger).toHaveAccessibleDescription("当前模型：快速");
  await trigger.click();
  await page.getByRole("menuitem", { name: /深入分析和复杂任务处理/ }).click();
  await page.getByRole("textbox", { name: "询问供水问题，或描述需要处理的任务" }).fill("保留专家模型选择");
  const sent = page.waitForRequest((request) => request.method() === "POST" && request.url().endsWith("/api/v1/responses"));
  await page.getByRole("button", { name: "发送 Agent 指令" }).click();
  expect((await sent).postDataJSON().model).toBe("test/expert");
  await expect(trigger).toHaveAccessibleDescription("当前模型：专家");
});

test("does not send a generation request when the refreshed catalog is empty", async ({ page }) => {
  await page.goto("/", { waitUntil: "domcontentloaded" });
  await page.getByRole("button", { name: /展开 Agent 助手面板/ }).click();
  await expect(page.getByRole("button", { name: "选择 Agent 模型" })).toHaveAccessibleDescription("当前模型：快速");
  await page.route("**/api/v1/models", (route) => route.fulfill({
    headers: { "Access-Control-Allow-Origin": "*" }, json: { default_model: "test/fast", models: [] }
  }));
  const requests: string[] = [];
  page.on("request", (request) => {
    if (request.method() === "POST" && request.url().endsWith("/api/v1/responses")) requests.push(request.url());
  });
  await page.getByRole("textbox", { name: "询问供水问题，或描述需要处理的任务" }).fill("检查空模型目录");
  await page.getByRole("button", { name: "发送 Agent 指令" }).click();
  await expect(page.getByText("Agent 后端当前没有可用模型，请检查模型配置。").first()).toBeVisible();
  expect(requests).toEqual([]);
});

async function waitForMenuAnimations(menu: Locator) {
  await expect(menu).toBeVisible();
  await menu.evaluate((element) => Promise.all(
    element.getAnimations({ subtree: true })
      .filter((animation) => animation.playState === "running")
      .map((animation) => animation.finished.catch(() => undefined))
  ));
}