import assert from "node:assert/strict";
import test from "node:test";
import {
  loadGeneralDailyPanchangaContext,
  type GeneralDailyPanchangaContext,
} from "../src/lib/general-daily-panchanga.ts";

test("loads a public Panchanga day without inventing a birth minute", async () => {
  let requestBody: Record<string, unknown> | null = null;
  const fetchImpl: typeof fetch = async (_input, init) => {
    requestBody = JSON.parse(String(init?.body)) as Record<string, unknown>;
    return new Response(JSON.stringify({
      success: true,
      endpoint: "panchanga_range",
      report: {
        calculation_policy: {
          panchanga: "SwissEph Lahiri at sunrise-relative reference time",
        },
        days: [{
          query_date: "2026-08-15",
          panchanga: {
            tithi: { full_name: "Shukla Tritiya", quality: "subha" },
            nakshatra: { nakshatra: "Uttara Phalguni", quality: "subha" },
            yoga: { yoga: "Siddha", quality: "subha" },
            vara: { vara: "Saturday", quality: "asubha" },
            overall_quality: "吉（Subha）",
          },
          condition_tags: [{
            key: "good_choghadiya",
            label: "Has auspicious Choghadiya window",
            guidance: "At least one auspicious window is available.",
          }],
        }],
      },
    }), { status: 200, headers: { "content-type": "application/json" } });
  };

  const context = await loadGeneralDailyPanchangaContext({
    date: "2026-08-15",
    reference: { latitude: 25.033, longitude: 121.5654, timezoneOffset: 8, placeLabel: "已保存地点" },
    fetchImpl,
    apiBase: "http://jyotish.test",
  });

  assert.deepEqual(requestBody, {
    start_date: "2026-08-15",
    end_date: "2026-08-15",
    lat: 25.033,
    lon: 121.5654,
    tz: 8,
  });
  assert.deepEqual(context satisfies GeneralDailyPanchangaContext, {
    scope: "public_day_no_natal_chart",
    date: "2026-08-15",
    referencePlace: "已保存地点",
    calculationPolicy: "SwissEph Lahiri at sunrise-relative reference time",
    panchanga: {
      vara: "Saturday",
      tithi: "Shukla Tritiya",
      nakshatra: "Uttara Phalguni",
      yoga: "Siddha",
      overallQuality: "吉（Subha）",
    },
    conditionTags: [{
      key: "good_choghadiya",
      label: "Has auspicious Choghadiya window",
      guidance: "At least one auspicious window is available.",
    }],
    boundaries: [
      "仅为所选地点与日期的公共 Panchanga 日历，不是个人命盘或个人预测。",
      "未使用出生分钟、时段中点、00:00 或任何候选出生时间。",
      "不得据此声称个人上升点、宫位、大运、本命过境叠加或确定事件。",
    ],
  });
});

test("rejects an incomplete Panchanga response instead of fabricating daily evidence", async () => {
  const fetchImpl: typeof fetch = async () => new Response(JSON.stringify({
    success: true,
    endpoint: "panchanga_range",
    report: { days: [] },
  }), { status: 200 });

  await assert.rejects(
    loadGeneralDailyPanchangaContext({ date: "2026-08-15", fetchImpl, apiBase: "http://jyotish.test" }),
    /general_daily_panchanga_unavailable/,
  );
});