import assert from "node:assert/strict";
import test from "node:test";
import { readFileSync } from "node:fs";
import { effectiveBirthDate } from "../src/lib/effective-birth-date.ts";
import { globalBirthProfileFromAccountRow } from "../src/lib/server-owned-birth-profile.ts";
import { resolveMissingBirthTimezoneOffset } from "../src/lib/birth-profile-timezone.ts";
import { accountProfilePatchSchema } from "../src/lib/account-profile-patch.ts";
import { applyPersistedBirthTime } from "../src/lib/birth-time-intake-model.ts";
import { dailyStarlanguageProfileKey } from "../src/lib/daily-starlanguage.ts";
import { readProfile } from "../src/lib/home-profile.ts";
import { prepareConsultationRoute } from "../src/lib/consultation-route-service.ts";
import { parseReportCandidateRange } from "../src/lib/report-candidate-range.ts";
import { resolveReportBirthTimeSensitivityInput } from "../src/lib/personal-report-route-core.ts";

// Synthetic boundary fixtures, not engine confirmation evidence.
const profile = {
  birth_date: "2000-06-15", reported_birth_time: "00:10",
  active_birth_date: "2000-06-14", active_birth_time: "23:55",
  active_birth_timezone_offset: -5,
  birth_time_status: "accepted", latitude: 40, longitude: -74,
  timezone_id: "America/New_York", timezone_offset: -4,
};

test("adopted chart date is independent of the declared date", () => {
  assert.equal(globalBirthProfileFromAccountRow(profile).date, "2000-06-14");
  assert.equal(profile.birth_date, "2000-06-15");
  assert.equal(globalBirthProfileFromAccountRow({ ...profile, birth_time_status: "reported" }).date, "2000-06-15");
  assert.equal(globalBirthProfileFromAccountRow({ ...profile, active_birth_date: null }).date, "2000-06-15");
});

test("chart library summary uses effective date while its editable profile keeps the declaration", () => {
  const editable = readProfile(profile);
  assert.equal(effectiveBirthDate(editable), "2000-06-14");
  assert.equal(editable.date, "2000-06-15");
  assert.equal(effectiveBirthDate({ ...editable, birthTimeStatus: "reported" }), "2000-06-15");
  // 原值 / 新值 / 原因：旧面板 record.profile / 人物页 selected.profile / 退役入口，保留有效日期合同。
  const component = readFileSync(new URL("../src/components/people/people-page.tsx", import.meta.url), "utf8");
  assert.match(component, /effectiveBirthDate\(selected\.profile\) \|\| "出生日期待补全"/);
});

test("adopted chart reuses the persisted candidate calculation offset, not new DST rules", async () => {
  const result = await resolveMissingBirthTimezoneOffset(profile, {
    useActiveDate: true,
    preferredTime: "23:55",
    fetchImpl: async () => { throw new Error("must not reinterpret candidate timezone"); },
  }) as Record<string, unknown>;
  assert.equal(result.timezone_offset, -5);
  assert.equal(result.birth_date, "2000-06-15");
  assert.equal(globalBirthProfileFromAccountRow(profile).timezoneOffset, -5);
});

test("fixed-offset legacy profiles do not invent timezone rules", async () => {
  const fixed = { ...profile, active_birth_date: null, active_birth_timezone_offset: null, timezone_id: null };
  assert.equal(await resolveMissingBirthTimezoneOffset(fixed, {
    useActiveDate: true,
    fetchImpl: async () => { throw new Error("must not fetch"); },
  }), fixed);
});

test("cross-day adopted date cannot silently lose its calculation offset", async () => {
  await assert.rejects(resolveMissingBirthTimezoneOffset({ ...profile, active_birth_timezone_offset: null }, { useActiveDate: true }));
});

test("same-day adopted tuple must keep its offset while date-less legacy remains usable", async () => {
  const partial = { ...profile, active_birth_date: profile.birth_date, active_birth_timezone_offset: null };
  assert.throws(() => globalBirthProfileFromAccountRow(partial), /adopted_birth_calculation_incomplete/);
  await assert.rejects(resolveMissingBirthTimezoneOffset(partial, { useActiveDate: true }));
  const legacy = { ...partial, active_birth_date: null };
  assert.equal(globalBirthProfileFromAccountRow(legacy).timezoneOffset, -4);
  assert.equal(await resolveMissingBirthTimezoneOffset(legacy, { useActiveDate: true }), legacy);
  assert.notEqual(dailyStarlanguageProfileKey(readProfile(partial)), dailyStarlanguageProfileKey(readProfile(legacy)));
});

test("account write hydration clears old adoption even when a new exact declaration is accepted", () => {
  const draft = readProfile(profile);
  assert.equal(draft.activeDate, "2000-06-14");
  const updated = applyPersistedBirthTime(draft, {
    status: "accepted", activeTime: "00:10", activeDate: null, activeTimezoneOffset: null,
  });
  assert.equal(updated.activeDate, undefined);
  assert.equal(updated.activeTimezoneOffset, undefined);
  assert.equal(updated.date, "2000-06-15");
  assert.notEqual(dailyStarlanguageProfileKey(draft), dailyStarlanguageProfileKey(updated));
  assert.notEqual(dailyStarlanguageProfileKey(draft), dailyStarlanguageProfileKey({ ...draft, activeDate: "2000-06-15" }));
});

test("new consultation uses the complete adopted tuple and preserves explicit sensitivity intervals", async () => {
  const candidate_intervals = [{ start_at: "2000-06-14T23:55", end_at: "2000-06-15T00:11" }];
  const range = parseReportCandidateRange({ candidate_intervals });
  assert.ok(range);
  const prepared = await prepareConsultationRoute({
    userId: "synthetic", mode: "verified_chart", reserve: async () => "reserved",
    loadProfile: async () => ({ ...profile, name: "Synthetic", birth_time_source: "family_exact", birth_place_label: "Synthetic place" }),
    loadCandidateRange: async () => range,
  });
  assert.equal(prepared.serverChart?.toolInput.day, 14);
  assert.equal(prepared.serverChart?.toolInput.hour, 23);
  assert.equal(prepared.serverChart?.toolInput.tz, -5);
  assert.deepEqual(prepared.serverChart?.toolInput.candidate_range, { start_time: "23:55", end_time: "00:11", candidate_intervals });
  assert.deepEqual(resolveReportBirthTimeSensitivityInput(profile, "accepted", "23:55", range).candidate_range,
    { start_time: "23:55", end_time: "00:11", candidate_intervals });
});

test("dated report intervals preserve separate segments and reject malformed calendar boundaries", () => {
  const candidate_intervals = [
    { start_at: "2000-06-15T00:00", end_at: "2000-06-15T00:59" },
    { start_at: "2000-06-15T23:00", end_at: "2000-06-15T23:59" },
  ];
  assert.deepEqual(parseReportCandidateRange({ candidate_intervals }), {
    startTime: "00:00", endTime: "23:59", candidate_intervals,
  });
  for (const intervals of [
    [], [...candidate_intervals].reverse(),
    [{ start_at: "2000-02-30T00:00", end_at: "2000-03-01T00:00" }],
    [{ start_at: "2000-06-15T24:00", end_at: "2000-06-16T00:00" }],
    [{ start_at: "2000-06-15T01:00", end_at: "2000-06-15T00:00" }],
    [candidate_intervals[0], { start_at: "2000-06-15T00:59", end_at: "2000-06-15T01:00" }],
  ]) assert.equal(parseReportCandidateRange({ candidate_intervals: intervals }), null);
  assert.equal(parseReportCandidateRange({ start_time: "23:55", end_time: "00:11" }), null,
    "legacy clock-only range must not guess a calendar date");
});

test("shared mapper fails closed if a cross-day adopted calculation loses its offset", () => {
  assert.throws(() => globalBirthProfileFromAccountRow({ ...profile, active_birth_timezone_offset: null }), /adopted_birth_calculation_incomplete/);
});

test("ordinary account patch cannot claim adopted date or provenance", () => {
  for (const patch of [
    { active_birth_date: "2000-06-14" },
    { active_birth_timezone_offset: -5 },
    { active_birth_provenance: { source: "fake" } },
  ]) assert.equal(accountProfilePatchSchema.safeParse(patch).success, false);
});