import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";

import { accountProfilePatchSchema } from "../src/lib/account-profile-patch.ts";
import { libraryProfileFromSubjectRow, parseChartSubjectWrite } from "../src/lib/chart-subject-write.ts";
import { prepareConsultationRoute } from "../src/lib/consultation-route-service.ts";
import { chartProfileToConsultationRow, type OwnedChartProfile } from "../src/lib/consultation-subject-resolver.ts";
import { readProfile } from "../src/lib/home-profile.ts";
import {
  PROFILE_GENDER_HINT,
  parseProfileGender,
  profileGenderLabel,
} from "../src/lib/profile-gender.ts";
import { CHART_SUBJECT_API_SELECT, CHART_SUBJECT_SELECT, resolveSubjectBirth } from "../src/lib/subject-birth.ts";

// TASK-consult-gender-optional-20260927 T1 (data layer). Fictional people only.

const selfRow = Object.freeze({
  name: "虚构户主",
  birth_date: "1990-01-02",
  reported_birth_time: "08:15:00",
  active_birth_time: null,
  birth_time_source: "family_exact",
  birth_time_status: "reported",
  birth_place_label: "虚构城",
  latitude: 31.2,
  longitude: 121.5,
  timezone_offset: 8,
  timezone_id: "Asia/Shanghai",
  ayanamsa: "raman",
  gender: "female",
});

function typedOther(extra: Record<string, unknown> = {}) {
  return {
    name: "虚构乙",
    birth_date: "1988-03-04",
    reported_birth_time: "09:20:00",
    birth_time_source: "family_exact",
    birth_time_status: "reported",
    birth_place_label: "虚构港",
    latitude: 22.3,
    longitude: 114.2,
    timezone_offset: 8,
    timezone_id: "Asia/Shanghai",
    ayanamsa: "lahiri",
    ...extra,
  };
}

function owned(profile: Record<string, unknown>): OwnedChartProfile {
  return { id: "00000000-0000-4000-8000-000000000002", userId: "user-1", role: "other", profile };
}

async function prepare(binding: { chartProfileId: string | null; chartProfileRole: "self" | "other" | null }, other: Record<string, unknown>) {
  return prepareConsultationRoute({
    userId: "user-1",
    mode: "unverified_birth_time",
    subject: {
      binding: { ...binding, chartProfileName: null },
      loadOwnedChartProfile: async () => owned(other),
    },
    loadProfile: async () => selfRow,
    resolveTimezoneOffset: async (value) => value,
    reserve: async () => "reserved",
  });
}

test("gender values: female / male / null only, labelled 女 / 男 / 未填", () => {
  assert.equal(parseProfileGender("female"), "female");
  assert.equal(parseProfileGender("male"), "male");
  for (const value of [null, undefined, "", "女", "other", 1]) assert.equal(parseProfileGender(value), null);
  assert.equal(profileGenderLabel("female"), "女");
  assert.equal(profileGenderLabel("male"), "男");
  assert.equal(profileGenderLabel(null), "未填");
  assert.equal(PROFILE_GENDER_HINT, "用于婚恋解读里判断夫星 / 妻星，不填也能用。");
});

test("account PATCH accepts gender alone, clears it with null, and rejects anything else", () => {
  assert.equal(accountProfilePatchSchema.safeParse({ gender: "female" }).success, true);
  assert.equal(accountProfilePatchSchema.safeParse({ gender: "male" }).success, true);
  assert.equal(accountProfilePatchSchema.safeParse({ gender: null }).success, true);
  assert.equal(accountProfilePatchSchema.safeParse({ gender: "other" }).success, false);
  assert.equal(accountProfilePatchSchema.safeParse({ gender: "女" }).success, false);
  const route = readFileSync(new URL("../src/app/api/account/route.ts", import.meta.url), "utf8");
  assert.match(route, /payload\.gender !== undefined \? \{ gender: payload\.gender \}/);
  assert.match(route, /rectification_case_id,gender"\)/, "GET returns the stored gender");
});

test("people writes carry gender only when sent; reads expose it only when stored", () => {
  const base = { name: "虚构乙", date: "1988-03-04", reportedTime: "09:20", birthTimeSource: "family_exact" };
  const absent = parseChartSubjectWrite(base);
  assert.ok(absent.ok);
  assert.equal("gender" in absent.write.columns, false, "a client that does not send gender never clears it");
  const female = parseChartSubjectWrite({ ...base, gender: "female" });
  assert.ok(female.ok);
  assert.equal(female.write.columns.gender, "female");
  assert.equal("gender" in female.write.profile, false, "gender stays out of the rollback jsonb mirror");
  for (const cleared of [null, ""]) {
    const result = parseChartSubjectWrite({ ...base, gender: cleared });
    assert.ok(result.ok);
    assert.equal(result.write.columns.gender, null);
  }
  const invalid = parseChartSubjectWrite({ ...base, gender: "other" });
  assert.equal(invalid.ok, false);

  assert.equal(libraryProfileFromSubjectRow({ gender: "male" }).gender, "male");
  assert.equal("gender" in libraryProfileFromSubjectRow({ gender: null }), false);
  assert.equal(readProfile({ gender: "female" }).gender, "female");
  assert.equal("gender" in readProfile({ gender: "x" }), false);
  assert.match(CHART_SUBJECT_SELECT, /,gender(,|$)/);
  assert.match(CHART_SUBJECT_API_SELECT, /,gender,/);
});

test("subject resolution carries each person's own gender and never the owner's", async () => {
  assert.equal(chartProfileToConsultationRow({ ...typedOther(), gender: "male" })?.gender, "male");
  assert.equal(chartProfileToConsultationRow(typedOther())?.gender, null);

  const other = await resolveSubjectBirth({
    userId: "user-1",
    subjectId: "00000000-0000-4000-8000-000000000002",
    loadSelfRow: async () => selfRow,
    loadOtherRow: async () => ({
      id: "00000000-0000-4000-8000-000000000002",
      user_id: "user-1",
      role: "other",
      ...typedOther(),
    }),
  });
  assert.equal(other.row.gender, null, "an empty other person does not inherit the owner's gender");

  const self = await prepare({ chartProfileId: "self", chartProfileRole: "self" }, typedOther({ gender: "male" }));
  assert.equal(self.serverChart?.gender, "female");
  const male = await prepare(
    { chartProfileId: "00000000-0000-4000-8000-000000000002", chartProfileRole: "other" },
    typedOther({ gender: "male" }),
  );
  assert.equal(male.serverChart?.gender, "male");
  const unset = await prepare(
    { chartProfileId: "00000000-0000-4000-8000-000000000002", chartProfileRole: "other" },
    typedOther(),
  );
  assert.equal(unset.serverChart?.gender, null, "the owner is female; the other person stays not filled");
  assert.equal("gender" in (unset.serverChart?.toolInput ?? {}), false, "gender is never sent to the engine");
});

test("the migration is additive and backward compatible with the deployed code", () => {
  const sql = readFileSync(new URL("../supabase/migrations/20260927010000_profile_gender.sql", import.meta.url), "utf8")
    .replace(/--.*$/gm, "");
  assert.match(sql, /alter table public\.profiles\s+add column if not exists gender text;/);
  assert.match(sql, /alter table public\.chart_profiles\s+add column if not exists gender text;/);
  assert.match(sql, /check \(gender is null or gender in \('female', 'male'\)\)/);
  assert.match(sql, /grant update \(gender\) on table public\.profiles to service_role;/);
  assert.match(sql, /grant update \(gender\) on table public\.chart_profiles to authenticated;/);
  assert.doesNotMatch(sql, /not null|default|drop column|alter column|rename|update public\./i);
  assert.doesNotMatch(sql, /admin_runtime\s*;/);
});