import { expect, test } from "@playwright/test";
import fs from "node:fs";

const password =
  process.env.E2E_PASSWORD ||
  fs.readFileSync("var/local-access.txt", "utf8").match(/密码：(.+)/)![1];
const csv = (customerCode: string) =>
  `期间,科室,学科,医生等级,医生,产品一级分类,实际收入,成本,毛利贡献,客户编码\n2025-08,测试儿保,普儿,高级,医生A,医疗服务,10000,4000,6000,${customerCode}\n2026-08,测试儿保,普儿,高级,医生A,医疗服务,5000,4000,3000,${customerCode}\n`;

test("新增列：补充信息触发追问并重新确认后生成公式工作簿", async ({ page }) => {
  await page.setViewportSize({ width: 1280, height: 900 });
  await page.goto("/");
  await page.getByLabel("用户名", { exact: true }).fill("admin");
  await page.getByLabel("密码", { exact: true }).fill(password);
  await page.getByRole("button", { name: "登录", exact: true }).click();
  await expect(page.getByRole("button", { name: "导入新表格" })).toBeVisible();

  const uploaded = page.waitForResponse(
    (response) =>
      response.url().endsWith("/api/datasets") &&
      response.request().method() === "POST",
  );
  await page.getByLabel("上传财务表格").setInputFiles({
    name: `formula-e2e-${Date.now()}.csv`,
    mimeType: "text/csv",
    buffer: Buffer.from(csv(`E2E-${Date.now()}`)),
  });
  await uploaded;
  await page
    .getByRole("dialog", { name: "确认导入字段" })
    .getByRole("button", { name: "确认并导入" })
    .click();
  await expect(
    page.getByRole("heading", { name: "集团经营总览", exact: true }),
  ).toBeVisible({ timeout: 60000 });

  let designCalls = 0;
  let sentMessages: { role: string; content: string }[] = [];
  await page.route("**/formula-design", async (route) => {
    sentMessages = JSON.parse(route.request().postData()!).messages;
    designCalls++;
    await route.fulfill({
      json:
        designCalls === 1 || designCalls === 3
          ? {
              complete: false,
              questions: [
                designCalls === 1
                  ? "缺失值和零分母如何处理？"
                  : "请说明新增边界条件的计算口径。",
              ],
              column: null,
            }
          : {
              complete: true,
              questions: [],
              column: {
                name: "收入成本差",
                meaning: "实际收入减成本",
                scope: "所选分组与期间",
                missing: "结果不可用（#N/A）；零分母不可用",
                expression:
                  designCalls === 5
                    ? {
                        operator: "multiply",
                        left: {
                          operator: "subtract",
                          left: { metric: "revenue" },
                          right: { metric: "cost" },
                        },
                        right: { number: 100 },
                      }
                    : {
                        operator: "subtract",
                        left: { metric: "revenue" },
                        right: { metric: "cost" },
                      },
              },
            },
    });
  });

  await page.getByRole("button", { name: "生成公式工作簿" }).click();
  const dialog = page.getByRole("dialog", { name: "生成公式工作簿" });
  await dialog.getByRole("checkbox").check();
  await dialog
    .getByLabel("列计算描述")
    .fill("新增收入成本差；请询问缺失值和零分母处理方式");
  await dialog.getByRole("button", { name: "发送描述" }).click();
  await expect(dialog).toContainText("缺失值和零分母如何处理？");
  await dialog.getByLabel("列计算描述").fill("都显示不可用");
  await dialog.getByRole("button", { name: "发送描述" }).click();
  await expect(dialog.getByText("收入成本差", { exact: true })).toBeVisible();
  await expect(dialog).toContainText("计算表达式：(实际收入 − 成本)");
  await expect(dialog).toContainText("本轮描述 2/6");

  await dialog.getByLabel("列计算描述").fill("增加一项特殊边界条件");
  await dialog.getByRole("button", { name: "发送描述" }).click();
  await expect(dialog).toContainText("请说明新增边界条件的计算口径。");
  await expect(
    dialog.getByRole("button", { name: "确认并生成公式工作簿" }),
  ).toHaveCount(0);
  await dialog.getByLabel("列计算描述").fill("边界条件按收入减成本计算");
  await dialog.getByRole("button", { name: "发送描述" }).click();
  await expect(
    dialog.getByRole("button", { name: "确认并生成公式工作簿" }),
  ).toBeVisible();
  await expect(dialog).toContainText("本轮描述 4/6");
  expect(sentMessages.map((message) => message.role)).toEqual([
    "user",
    "assistant",
    "user",
    "assistant",
    "user",
    "assistant",
    "user",
  ]);
  expect(sentMessages.at(-1)?.content).toContain("边界条件按收入减成本");
  await dialog.getByRole("button", { name: "保存到定义库" }).click();
  await expect(dialog.getByLabel("已保存定义")).toHaveValue(/.+/);
  await dialog.getByRole("button", { name: "确认并生成公式工作簿" }).click();
  await expect(dialog.getByRole("status")).toContainText("生成完成", {
    timeout: 30000,
  });

  const download = page.waitForEvent("download");
  await dialog.getByRole("button", { name: "下载公式工作簿" }).click();
  expect((await download).suggestedFilename()).toBe(
    "traceiq-formula-analysis.xlsx",
  );
  await dialog.getByLabel("关闭", { exact: true }).click();

  await page.getByRole("button", { name: "生成公式工作簿" }).click();
  const reopened = page.getByRole("dialog", { name: "生成公式工作簿" });
  await reopened.getByLabel("已保存定义").selectOption({ label: "收入成本差" });
  await expect(reopened).toContainText("计算表达式：(实际收入 − 成本)");
  // F04 回归：载入定义后，原定义作为可见上下文进入对话
  await expect(reopened).toContainText("已载入已保存定义「收入成本差」");
  await expect(reopened).toContainText("我：已载入已保存定义");
  await expect(reopened).toContainText("助手：已载入该定义作为当前基准");
  // F04 回归：选择空选项时同步清理当前定义与上下文，选择状态与预览一致
  await reopened.getByLabel("已保存定义").selectOption({ label: "选择定义" });
  await expect(reopened.getByText("计算表达式：(实际收入 − 成本)")).toHaveCount(
    0,
  );
  await expect(reopened.getByText("已载入已保存定义")).toHaveCount(0);

  await reopened.getByLabel("已保存定义").selectOption({ label: "收入成本差" });
  await reopened.getByRole("checkbox").check();
  await reopened.getByLabel("列计算描述").fill("把刚才公式改成乘以 100");
  await reopened.getByRole("button", { name: "发送描述" }).click();
  await expect(reopened).toContainText(
    "计算表达式：((实际收入 − 成本) × 100)",
  );
  // 模型请求必须包含载入的原定义上下文和新的修改描述
  expect(sentMessages.at(0)?.content).toContain(
    "已载入已保存定义「收入成本差」",
  );
  expect(sentMessages.at(0)?.content).toContain('"operator":"subtract"');
  expect(sentMessages.at(-1)?.content).toBe("把刚才公式改成乘以 100");
  await reopened.getByRole("button", { name: "确认并生成公式工作簿" }).click();
  await expect(reopened.getByRole("status")).toContainText("生成完成", {
    timeout: 30000,
  });
  expect(designCalls).toBe(5);
});