/**
 * Ascendant precheck window from the birth row the chart page already loaded.
 * Fictional clock only. BUG-1444.
 */
import assert from "node:assert/strict";
import test from "node:test";

import { lagnaPrecheckLine, lagnaPrecheckWindow } from "../src/lib/lagna-precheck.ts";
import type { ChartViewLagnaPrecheck } from "../src/lib/chart-view-contract.ts";

function row(patch: Record<string, unknown>) {
  return {
    birth_date: "1990-06-15",
    reported_birth_time: "12:00:00",
    birth_time_status: "reported",
    ...patch,
  };
}

test("each birth-time source becomes the scan window, or stays quiet", () => {
  const hospital = lagnaPrecheckWindow({ row: row({ birth_time_source: "hospital_record" }) });
  assert.equal(hospital?.start_at, "1990-06-15T11:58");
  assert.equal(hospital?.end_at, "1990-06-15T12:02");
  assert.equal(hospital?.minutes, 5);
  assert.equal(hospital?.beforeMinutes, 2);
  assert.equal(hospital?.afterMinutes, 2);
  assert.equal(hospital?.precisionKind, "minutes");

  const stated = lagnaPrecheckWindow({ row: row({
    birth_time_source: "hospital_record",
    uncertainty_before_minutes: 30,
    uncertainty_after_minutes: "60",
  }) });
  assert.equal(stated?.start_at, "1990-06-15T11:30");
  assert.equal(stated?.end_at, "1990-06-15T13:00");
  assert.equal(stated?.beforeMinutes, 30);
  assert.equal(stated?.afterMinutes, 60);
  assert.equal(stated?.minutes, 91);

  const family = lagnaPrecheckWindow({ row: row({ birth_time_source: "family_exact" }) });
  assert.equal(family?.start_at, "1990-06-15T12:00");
  assert.equal(family?.end_at, "1990-06-15T12:00");
  assert.equal(family?.minutes, 1);
  assert.equal(family?.beforeMinutes, 0);

  const approximate = lagnaPrecheckWindow({ row: row({ birth_time_source: "approximate" }) });
  assert.equal(approximate?.start_at, "1990-06-15T11:45");
  assert.equal(approximate?.end_at, "1990-06-15T12:15");
  assert.equal(approximate?.minutes, 31);

  const morning = lagnaPrecheckWindow({ row: row({
    birth_time_source: "period_only",
    birth_time_period: "morning",
  }) });
  assert.equal(morning?.start_at, "1990-06-15T08:00");
  assert.equal(morning?.end_at, "1990-06-15T11:59");
  assert.equal(morning?.precisionKind, "period");
  assert.equal(morning?.periodStart, "08:00");
  assert.equal(morning?.periodEnd, "11:59");

  const late = lagnaPrecheckWindow({ row: row({
    birth_time_source: "period_only",
    birth_time_period: "late_night",
  }) });
  assert.equal(late?.start_at, "1990-06-15T23:00");
  assert.equal(late?.end_at, "1990-06-16T03:59");
  assert.equal(late?.minutes, 300);

  const custom = lagnaPrecheckWindow({ row: row({
    birth_time_source: "period_only",
    declared_window_start: "23:10",
    declared_window_end: "00:20",
  }) });
  assert.equal(custom?.start_at, "1990-06-15T23:10");
  assert.equal(custom?.end_at, "1990-06-16T00:20");

  const unknown = lagnaPrecheckWindow({ row: row({ birth_time_source: "unknown" }) });
  assert.equal(unknown?.start_at, "1990-06-15T00:00");
  assert.equal(unknown?.end_at, "1990-06-15T23:59");
  assert.equal(unknown?.minutes, 1440);
  assert.equal(unknown?.precisionKind, "unknown");

  const capped = lagnaPrecheckWindow({ row: row({
    birth_time_source: "approximate",
    uncertainty_before_minutes: 1440,
    uncertainty_after_minutes: 1440,
  }) });
  assert.equal(capped?.start_at, "1990-06-14T12:00");
  assert.equal(capped?.end_at, "1990-06-15T12:00");
  assert.equal(capped?.minutes, 1441);

  assert.equal(lagnaPrecheckWindow({ row: row({ birth_time_source: "hospital_record", birth_time_status: "accepted" }) }), null);
  assert.equal(lagnaPrecheckWindow({ row: row({ birth_time_source: "hospital_record", birth_time_status: "confirmed" }) }), null);
  assert.equal(lagnaPrecheckWindow({ row: row({ birth_time_source: "legacy_import" }) }), null);
  assert.equal(lagnaPrecheckWindow({ row: row({ birth_time_source: "" }) }), null);
  assert.equal(lagnaPrecheckWindow({ row: row({ birth_time_source: "hospital_record", reported_birth_time: "" }) }), null);
  assert.equal(lagnaPrecheckWindow(null), null);
  assert.equal(lagnaPrecheckWindow({ row: row({ birth_time_source: "hospital_record", birth_date: "not-a-date" }) }), null);
});

test("header sentences name the sign and link only when it can change", () => {
  const fixed: ChartViewLagnaPrecheck = {
    state: "fixed",
    signs: ["白羊"],
    windowMinutes: 5,
    precisionKind: "minutes",
    beforeMinutes: 2,
    afterMinutes: 2,
  };
  assert.equal(lagnaPrecheckLine(fixed).linked, false);
  assert.match(lagnaPrecheckLine(fixed).before, /前后约 2 分钟/);

  const uneven: ChartViewLagnaPrecheck = { ...fixed, beforeMinutes: 2, afterMinutes: 15 };
  assert.match(lagnaPrecheckLine(uneven).before, /前 2 分钟、后 15 分钟/);

  const two: ChartViewLagnaPrecheck = {
    state: "may_change",
    signs: ["白羊", "金牛"],
    changeAt: ["12:01"],
    windowMinutes: 31,
    precisionKind: "period",
    periodStart: "11:45",
    periodEnd: "12:15",
  };
  const twoLine = lagnaPrecheckLine(two);
  assert.equal(twoLine.linked, true);
  assert.match(twoLine.before, /按你给的时间段（11:45–12:15）/);
  assert.match(twoLine.before, /大约 12:01 换座/);

  const unknown: ChartViewLagnaPrecheck = {
    state: "unknown_time",
    signs: ["白羊", "金牛"],
    windowMinutes: 1440,
    precisionKind: "unknown",
  };
  assert.equal(lagnaPrecheckLine(unknown).linked, true);
  assert.match(lagnaPrecheckLine(unknown).before, /不知道出生时间时/);

  const otherTwo = lagnaPrecheckLine(two, { self: false });
  assert.equal(otherTwo.linked, false);
  assert.equal(otherTwo.after, "");
  assert.match(otherTwo.before, /大约 12:01 换座）。$/);
  assert.doesNotMatch(otherTwo.before, /出生时间校正|想定下来/);
  const otherUnknown = lagnaPrecheckLine(unknown, { self: false });
  assert.equal(otherUnknown.linked, false);
  assert.equal(otherUnknown.before, "不知道出生时间时，上升星座定不下来。");
});