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

const block = {
  version: "answer-ui@1", block_id: "components-motion", fallback_text: "组件交互演练，不代表现场事实。",
  spec: { root: "root", elements: {
    root: { type: "Stack", props: { columns: "one", gap: "normal", intent: "report" }, children: ["result", "note", "metric", "table", "evidence", "form", "location"] },
    result: { type: "Result", props: { title: "演练结果", summary: "待现场核验。", status: "unconfirmed", source: "浏览器演练" }, children: [] },
    note: { type: "Text", props: { title: "数据边界", tone: "info", text: "仅供交互验收。" }, children: [] },
    metric: { type: "Metric", props: { label: "演练入口压力", value: "0.2130", unit: "MPa", source: "浏览器演练" }, children: [] },
    table: { type: "Table", props: { title: "演练记录", columns: ["对象", "压力（MPa）"], rows: [["入口一", "0.2130"], ["入口二", "0.2870"]] }, children: [] },
    evidence: { type: "Evidence", props: { title: "演练依据", summary: "尚未核验现场事实。", source: "浏览器演练", kind: "demo", evidence_id: "DEMO-MOTION", observed_at: null }, children: [] },
    form: { type: "FollowUpForm", props: { title: "现场核验", description: "由你补充后带入对话。", fields: [{ name: "record", label: "现场记录", kind: "text", required: true }] }, children: [] },
    location: { type: "MapLocation", props: { label: "定位演练入口", layer: "junctions", feature_ids: ["DEMO-ENTRY"], source: "浏览器演练" }, children: [] },
  } },
};

async function sampleToggle(button: Locator, selector: string) {
  return button.evaluate(async (button, selector) => {
    const reveal = button.closest("[data-answer-ui]")!.querySelector<HTMLElement>(selector)!;
    button.dispatchEvent(new PointerEvent("pointerdown", { bubbles: true }));
    button.dispatchEvent(new MouseEvent("click", { bubbles: true, detail: 1 }));
    const frames = [];
    for (let index = 0; index < 18; index++) {
      await new Promise<void>((resolve) => requestAnimationFrame(() => resolve()));
      frames.push({ opacity: Number(getComputedStyle(reveal).opacity), hidden: reveal.hidden,
        inert: reveal.inert, ariaHidden: reveal.getAttribute("aria-hidden") });
    }
    return frames;
  }, selector);
}

for (const width of [1440, 320]) for (const reduce of [false, true]) {
  test(`answer component disclosures ${reduce ? "reduced" : "normal"} motion at ${width}px`, async ({ page }, testInfo) => {
    test.setTimeout(60000);
    await page.setViewportSize({ width, height: 1000 });
    await page.emulateMedia({ reducedMotion: reduce ? "reduce" : "no-preference" });
    await mockWorkbenchContext(page, undefined, undefined, {}, [], { runtimeMode: "backend" });
    await mockAgentApi(page);
    await page.route("**/api/v1/responses", async (route) => {
      if (route.request().method() === "OPTIONS") return route.fallback();
      await route.fulfill({ headers: { "Access-Control-Allow-Origin": "*", "Content-Type": "text/event-stream" }, body: responsesFixture([
        { type: "start", messageId: "components-answer" },
        { type: "data-answer_ui", id: block.block_id, data: block },
        { type: "data-final_answer", data: { content: "组件演练，待现场核验。", ui_block_ids: [block.block_id] } },
        { type: "finish", finishReason: "stop" },
      ]) });
    });
    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 panel = page.getByRole("complementary", { name: "Agent 命令面板" });
    await panel.locator(".agent-panel-prompt-textarea").fill("检查演练组件");
    await panel.getByRole("button", { name: "发送 Agent 指令" }).click();
    await expect(panel.locator('[data-answer-ui="components-motion"]')).toBeVisible();
    await panel.getByRole("button", { name: "展开查看", exact: true }).click();
    const workspace = page.getByRole("region", { name: "展开报告工作区", exact: true });
    const ui = workspace.locator('[data-answer-ui="components-motion"]');
    const evidence = ui.locator(".answer-ui-evidence");
    const opened = await sampleToggle(evidence.getByRole("button").first(), ".answer-ui-evidence [data-answer-reveal]");
    expect(opened.some((frame) => frame.opacity > 0 && frame.opacity < 1)).toBe(!reduce);
    await expect(evidence.getByText("尚未核验现场事实。", { exact: true })).toBeVisible();
    const closed = await sampleToggle(evidence.getByRole("button").first(), ".answer-ui-evidence [data-answer-reveal]");
    expect(closed[0].inert).toBe(true);
    expect(closed[0].ariaHidden).toBe("true");
    expect(closed.at(-1)!.hidden).toBe(true);
    expect(closed.some((frame) => frame.opacity > 0 && frame.opacity < 1)).toBe(!reduce);
    // Keyboard actions and restoration never replay the pointer transition.
    await evidence.getByRole("button").first().focus();
    await page.keyboard.press("Enter");
    await expect(evidence.locator("[data-answer-reveal]")).toHaveCSS("opacity", "1");
    const editor = ui.getByLabel("现场记录（必填）");
    await editor.fill("保留同一个编辑器的现场草稿");
    await editor.evaluate((element) => element.setAttribute("data-original-editor", "yes"));
    await ui.getByRole("button", { name: "收起补充资料", exact: true }).click();
    await expect(editor).toBeHidden();
    await ui.getByRole("button", { name: "展开补充资料", exact: true }).click();
    await expect(editor).toHaveValue("保留同一个编辑器的现场草稿");
    await expect(editor).toHaveAttribute("data-original-editor", "yes");
    await expect(ui.getByText("需要你补充", { exact: true })).toHaveCount(0);
    const location = ui.locator(".answer-ui-location");
    await location.getByRole("button", { name: "查看关联要素", exact: true }).click();
    await expect(location.getByText("DEMO-ENTRY", { exact: true })).toBeVisible();
    await ui.getByRole("checkbox", { name: "选择第 1 行", exact: true }).check();
    await ui.getByRole("button", { name: "将所选行加入分析", exact: true }).click();
    const tray = ui.getByRole("region", { name: "分析内容篮" });
    await expect(tray).toContainText("已选 1 项分析内容");
    await tray.getByRole("button", { name: "演练记录", exact: true }).click();
    await expect(tray.getByText(/对象：入口一；压力（MPa）：0.2130/)).toBeVisible();
    await tray.getByRole("textbox").fill("核查演练资料");
    await ui.getByRole("button", { name: "将演练入口压力加入分析", exact: true }).click();
    await tray.getByRole("button", { name: "移除演练入口压力", exact: true }).click();
    await expect(tray.getByRole("textbox")).toHaveValue("核查演练资料");
    await expect(editor).toHaveValue("保留同一个编辑器的现场草稿");
    await ui.getByRole("textbox", { name: "搜索演练记录" }).fill("不存在的入口");
    await expect(ui.getByRole("cell", { name: "当前筛选没有匹配的数据。" })).toBeVisible();
    await expect(ui.getByText("勾选数据行可加入分析或继续提问。", { exact: true })).toHaveCount(0);
    await ui.getByRole("textbox", { name: "搜索演练记录" }).fill("");
    await ui.getByRole("button", { name: "按压力（MPa）排序" }).click();
    await expect(ui.getByRole("columnheader", { name: "压力（MPa）" })).toHaveAttribute("aria-sort", "ascending");
    expect(await workspace.evaluate((element) => element.scrollWidth > element.clientWidth)).toBe(false);
    await ui.getByRole("button", { name: "收起补充资料", exact: true }).click();
    await ui.getByRole("button", { name: "展开补充资料", exact: true }).click();
    // A reverse action while the exit is running must not hide a reopened editor.
    await expect(editor).toBeVisible();
    await expect(editor).toHaveValue("保留同一个编辑器的现场草稿");
    await page.evaluate(() => document.fonts.ready);
    await ui.locator(".answer-ui-form").screenshot({ path: testInfo.outputPath(`form-${width}-${reduce}.png`) });
    await evidence.screenshot({ path: testInfo.outputPath(`evidence-${width}-${reduce}.png`) });
    await tray.screenshot({ path: testInfo.outputPath(`basket-${width}-${reduce}.png`) });
  });
}