import { describe, expect, it } from "vitest";
import { generateDailyReport } from "../src/agent/report";
import type { MarketDataProvider, WatchStock } from "../src/shared/types";

const watchlist: WatchStock[] = [
  {
    id: "AAPL",
    symbol: "AAPL",
    display: "AAPL",
    market: "US",
    name: "Apple",
    addedAt: "2026-05-11T00:00:00.000Z"
  },
  {
    id: "00700.HK",
    symbol: "00700",
    display: "00700.HK",
    market: "HK",
    name: "Tencent",
    addedAt: "2026-05-11T00:00:00.000Z"
  }
];

const provider: MarketDataProvider = {
  async snapshot(stock) {
    if (stock.display === "AAPL") {
      return {
        price: 100,
        currency: "USD",
        pe: 12,
        forwardPe: 11,
        revenueGrowth: 0.08,
        profitGrowth: 0.05,
        nextEarningsDate: "2026-05-13",
        peers: [
          { display: "MSFT", pe: 28 },
          { display: "GOOGL", pe: 24 }
        ],
        news: [{ title: "Apple supplier raises shipment guidance", url: "https://example.test/aapl" }]
      };
    }

    return {
      price: 380,
      currency: "HKD",
      pe: 22,
      forwardPe: 20,
      revenueGrowth: 0.02,
      profitGrowth: -0.01,
      nextEarningsDate: "2026-06-30",
      peers: [{ display: "9988.HK", pe: 18 }],
      news: []
    };
  }
};

describe("generateDailyReport", () => {
  it("ranks earnings, related news, valuation mismatch, and buy advice across markets", async () => {
    const report = await generateDailyReport(watchlist, provider, new Date("2026-05-11T00:00:00.000Z"));

    expect(report.generatedAt).toBe("2026-05-11T00:00:00.000Z");
    expect(report.items).toHaveLength(2);
    expect(report.summary).toContain("US: 1");
    expect(report.summary).toContain("HK: 1");

    const apple = report.items.find((item) => item.stock.display === "AAPL");
    expect(apple?.earnings.status).toBe("soon");
    expect(apple?.valuation.label).toBe("discount");
    expect(apple?.recommendation.action).toBe("buy_watch");
    expect(apple?.news[0]?.title).toContain("supplier");

    const tencent = report.items.find((item) => item.stock.display === "00700.HK");
    expect(tencent?.valuation.label).toBe("premium");
    expect(tencent?.recommendation.action).toBe("hold");
  });
});