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

import {
  applyAdoptedBirthDateGuard,
  chartBirthAfterAccountWrite,
  CHART_BIRTH_FAILURE_REASONS,
  resolveServerOwnedChartBirth,
} from "../src/lib/chart-birth-truth.ts";
import { resolveAccountBirthTimeApplicationPatch } from "../src/lib/account-profile-patch.ts";
import { BirthProfileTimezoneError } from "../src/lib/birth-profile-timezone.ts";
import { assembleChartView, type ChartViewEnginePost } from "../src/lib/chart-view-load.ts";
import { chartViewMessageSchema, chartViewOkSchema } from "../src/lib/chart-view-contract.ts";
import { chartViewEngineCacheKey } from "../src/lib/chart-view-engine.ts";
import {
  chartViewFailureResponse,
  chartViewFailureStatus,
  logChartViewFailure,
} from "../src/lib/chart-view-failure.ts";
import { CHART_VIEW_COPY } from "../src/lib/chart-view-labels.ts";
import { prepareChartViewProfile } from "../src/lib/chart-view-profile-read.ts";
import { fetchChartView } from "../src/lib/chart-view-client.ts";
import {
  beginChartCacheAccountRead,
  accountChartPinStillCurrent,
  peekChartPage,
  pinChartSnapshotIdentity,
  refreshChartPage,
  resetSecondaryPageDataForTests,
  writeChartPage,
} from "../src/lib/secondary-page-data.ts";
import type { ChartViewResponse } from "../src/lib/chart-view-contract.ts";

const golden = JSON.parse(
  readFileSync(new URL("./fixtures/chart-view-golden.json", import.meta.url), "utf8"),
) as { chart: Record<string, unknown> };

const crossMidnight = {
  name: "Synthetic",
  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,
  active_birth_provenance: { contract: "dated-v1", candidate_id: "synthetic-candidate" },
  birth_time_status: "accepted",
  birth_time_source: "family_exact",
  birth_time_period: null,
  declared_window_start: null,
  declared_window_end: null,
  birth_time_clue: null,
  uncertainty_before_minutes: 15,
  uncertainty_after_minutes: 15,
  latitude: 40,
  longitude: -74,
  timezone_id: "America/New_York",
  timezone_offset: -4,
  ayanamsa: "raman",
  birth_place_label: "Synthetic place",
  rectification_case_id: null,
  birth_time: null,
};

function identityResolver(row: unknown): Promise<unknown> {
  return Promise.resolve(row);
}

test("account and chart-view share server-owned date, time, offset, and provenance", async () => {
  const reported = { ...crossMidnight, birth_time_status: "reported" };
  const accepted = crossMidnight;
  const confirmed = { ...crossMidnight, birth_time_status: "confirmed" };
  for (const row of [reported, accepted, confirmed]) {
    const fromAccount = resolveServerOwnedChartBirth(row);
    const prepared = await prepareChartViewProfile({ row, resolveTimezone: identityResolver });
    assert.equal(prepared.ok, fromAccount.chartable);
    assert.equal(prepared.birth.date, fromAccount.date);
    assert.equal(prepared.birth.time, fromAccount.time);
    assert.equal(prepared.birth.timezoneOffset, fromAccount.timezoneOffset);
    assert.equal(prepared.birth.fingerprint, fromAccount.fingerprint);
    assert.deepEqual(prepared.birth.provenance, fromAccount.provenance);
    assert.equal(prepared.birth.failure, fromAccount.failure);
    if (prepared.ok) {
      assert.equal(prepared.profile.date, fromAccount.date);
      assert.equal(prepared.profile.time, fromAccount.time);
      assert.equal(prepared.profile.timezoneOffset, fromAccount.timezoneOffset);
    }
  }

  const reportedBirth = resolveServerOwnedChartBirth(reported);
  assert.equal(reportedBirth.date, "2000-06-15");
  assert.equal(reportedBirth.time, "00:10");
  assert.equal(reportedBirth.timezoneOffset, -4);
  assert.equal(reportedBirth.adoption, "declared");

  const adoptedBirth = resolveServerOwnedChartBirth(accepted);
  assert.equal(adoptedBirth.date, "2000-06-14");
  assert.equal(adoptedBirth.time, "23:55");
  assert.equal(adoptedBirth.timezoneOffset, -5);
  assert.equal(adoptedBirth.adoption, "adopted");
  assert.equal(adoptedBirth.failure, null);
});

test("confirmed ordinary edits keep the active minute and clear a complete adopted tuple together", () => {
  const confirmed = { ...crossMidnight, birth_time_status: "confirmed" as const };
  const patch = {
    birth_date: "2000-06-16",
    reported_birth_time: "00:20",
    birth_time_source: "approximate" as const,
    birth_time_period: null,
    birth_time_clue: null,
    uncertainty_before_minutes: 30,
    uncertainty_after_minutes: 30,
  };
  assert.deepEqual(resolveAccountBirthTimeApplicationPatch(confirmed, patch), {});
  const stored = applyAdoptedBirthDateGuard(confirmed, { ...confirmed, ...patch });
  assert.equal(stored.active_birth_time, "23:55");
  assert.equal(stored.active_birth_date, null);
  assert.equal(stored.active_birth_timezone_offset, null);
  assert.equal(stored.active_birth_provenance, null);
  const birth = resolveServerOwnedChartBirth(stored);
  assert.equal(birth.status, "confirmed");
  assert.equal(birth.time, "23:55");
  assert.equal(birth.date, "2000-06-16");
  assert.equal(birth.timezoneOffset, -4);
  assert.equal(birth.adoption, "legacy");
  assert.equal(birth.failure, null);
  const echoed = chartBirthAfterAccountWrite({
    current: confirmed,
    written: { ...confirmed, ...patch },
    returned: stored,
  });
  assert.equal(echoed.fingerprint, birth.fingerprint);
  assert.equal(echoed.date, birth.date);
  assert.equal(echoed.time, birth.time);
  assert.equal(echoed.timezoneOffset, birth.timezoneOffset);
});

test("an accepted declaration edit does not stay chartable with a partial adopted tuple", () => {
  const patch = {
    birth_date: "2000-06-15",
    reported_birth_time: "01:10",
    birth_time_source: "approximate" as const,
    birth_time_period: null,
    birth_time_clue: null,
    uncertainty_before_minutes: 30,
    uncertainty_after_minutes: 30,
  };
  const application = resolveAccountBirthTimeApplicationPatch(crossMidnight, patch);
  assert.deepEqual(application, {
    active_birth_time: null,
    birth_time_status: "reported",
    rectification_case_id: null,
  });
  const current = { ...crossMidnight } as Record<string, unknown>;
  const stored = applyAdoptedBirthDateGuard(current, { ...current, ...patch, ...application });
  assert.equal(stored.active_birth_time, null);
  assert.equal(stored.active_birth_date, null);
  assert.equal(stored.active_birth_timezone_offset, null);
  const birth = resolveServerOwnedChartBirth(stored);
  assert.equal(birth.status, "reported");
  assert.equal(birth.date, "2000-06-15");
  assert.equal(birth.time, "01:10");
  assert.equal(birth.timezoneOffset, -4);
  assert.notEqual(birth.adoption, "incomplete");
  assert.equal(birth.failure, null);
});

test("a missing adopted offset is not charted and is not called a profile query or incomplete profile", async () => {
  let resolverCalls = 0;
  const partial = { ...crossMidnight, active_birth_timezone_offset: null };
  const birth = resolveServerOwnedChartBirth(partial);
  assert.equal(birth.failure, "adopted_calculation_incomplete");
  assert.equal(birth.chartable, false);
  assert.equal(birth.date, null);
  assert.equal(birth.timezoneOffset, null);
  assert.equal(birth.activeTime, "23:55");
  const prepared = await prepareChartViewProfile({
    row: partial,
    resolveTimezone: async () => {
      resolverCalls += 1;
      throw new Error("must not resolve an incomplete adopted tuple");
    },
  });
  assert.equal(prepared.ok, false);
  if (prepared.ok) return;
  assert.equal(prepared.failure, "adopted_calculation_incomplete");
  assert.equal(resolverCalls, 0);
  assert.equal(chartViewFailureStatus("adopted_calculation_incomplete"), "chart_unavailable");
  assert.notEqual(chartViewFailureResponse("adopted_calculation_incomplete").status, "birth_profile_incomplete");
});

test("chart-view classifies query, timezone, engine, and schema failures separately", async () => {
  const query = await prepareChartViewProfile({
    row: crossMidnight,
    queryError: { message: "connection reset" },
    resolveTimezone: async () => {
      throw new Error("must not read a failed profile query");
    },
  });
  assert.equal(query.ok, false);
  if (!query.ok) {
    assert.equal(query.failure, "profile_query_error");
    assert.notEqual(query.failure, "profile_incomplete");
    assert.equal(chartViewFailureResponse("profile_query_error").status, "chart_unavailable");
    assert.match(chartViewFailureResponse("profile_query_error").message, /读不出来/);
  }

  const missingOffset = {
    ...crossMidnight,
    birth_time_status: "reported",
    active_birth_date: null,
    active_birth_timezone_offset: null,
    timezone_offset: null,
  };
  const timezone = await prepareChartViewProfile({
    row: missingOffset,
    resolveTimezone: async () => {
      throw new BirthProfileTimezoneError();
    },
  });
  assert.equal(timezone.ok, false);
  if (!timezone.ok) assert.equal(timezone.failure, "timezone_resolver_failure");

  const messages = [
    "profile_query_error",
    "profile_incomplete",
    "adopted_calculation_incomplete",
    "timezone_resolver_failure",
    "response_schema_failure",
  ].map((reason) => chartViewFailureResponse(reason as typeof CHART_BIRTH_FAILURE_REASONS[number]).message);
  assert.equal(new Set(messages).size, messages.length);
  for (const reason of CHART_BIRTH_FAILURE_REASONS) {
    const body = chartViewMessageSchema.parse(chartViewFailureResponse(reason));
    assert.equal(body.reason, reason);
    assert.doesNotMatch(body.message, /没有可显示内容|过一会儿再打开/);
  }
  assert.equal(chartViewFailureResponse("engine_busy").message, CHART_VIEW_COPY.busy);
  assert.equal(chartViewFailureResponse("engine_timeout").message, CHART_VIEW_COPY.unavailable);
  assert.equal(chartViewFailureResponse("engine_bad_payload").message, CHART_VIEW_COPY.unavailable);

  const warnings: unknown[] = [];
  const original = console.warn;
  console.warn = (...args: unknown[]) => {
    warnings.push(args);
  };
  try {
    logChartViewFailure({ reason: "profile_query_error", elapsedMs: 4, httpStatus: null });
  } finally {
    console.warn = original;
  }
  const line = JSON.stringify(warnings);
  assert.match(line, /profile_query_error/);
  assert.match(line, /\/api\/chart-view/);
  assert.doesNotMatch(line, /2000-06-15|23:55|Synthetic|-74/);
});

test("cross-midnight chart-view posts the adopted date, minute, and offset and still returns D1", async () => {
  const prepared = await prepareChartViewProfile({ row: crossMidnight, resolveTimezone: identityResolver });
  assert.equal(prepared.ok, true);
  if (!prepared.ok) return;
  const bodies: Array<{ path: string; body: Record<string, unknown> }> = [];
  const postEngine: ChartViewEnginePost = async (path, body) => {
    bodies.push({ path, body });
    if (path === "/api/chart") return { status: "ok", payload: golden.chart };
    return { status: "http_error", path, elapsedMs: 1, httpStatus: 500 };
  };
  const result = await assembleChartView({
    userId: "synthetic-user",
    accountId: "synthetic-user",
    profileFingerprint: prepared.birth.fingerprint,
    profile: prepared.profile,
    postEngine,
    asOf: "2026-09-22",
  });
  const view = chartViewOkSchema.parse(result.body);
  assert.equal(view.profile.date, "2000-06-14");
  assert.equal(view.profile.time.slice(0, 5), "23:55");
  assert.equal(view.profile.timezoneOffset, -5);
  assert.equal(view.profileFingerprint, prepared.birth.fingerprint);
  assert.equal(view.accountId, "synthetic-user");
  const d1 = view.vedic.vargas.find((item) => item.id === "D1");
  assert.ok(d1);
  assert.equal(d1?.chart.houses.length, 12);
  assert.ok(view.vedic.planets.length >= 9);
  const natal = bodies.find((item) => item.path === "/api/chart");
  assert.equal(natal?.body.day, 14);
  assert.equal(natal?.body.hour, 23);
  assert.equal(natal?.body.minute, 55);
  assert.equal(natal?.body.tz, -5);
  assert.deepEqual(bodies.map((item) => item.path), ["/api/chart"]);
});

test("engine cache keys still include date, time, offset, ayanamsa, and node mode", () => {
  const base = {
    userId: "synthetic-user",
    date: "2000-06-14",
    time: "23:55",
    latitude: 40,
    longitude: -74,
    timezoneOffset: -5,
    ayanamsa: "raman",
    nodeMode: "mean",
    path: "/api/chart",
  };
  assert.notEqual(chartViewEngineCacheKey(base), chartViewEngineCacheKey({ ...base, date: "2000-06-15" }));
  assert.notEqual(chartViewEngineCacheKey(base), chartViewEngineCacheKey({ ...base, time: "23:56" }));
  assert.notEqual(chartViewEngineCacheKey(base), chartViewEngineCacheKey({ ...base, timezoneOffset: -4 }));
  assert.notEqual(chartViewEngineCacheKey(base), chartViewEngineCacheKey({ ...base, ayanamsa: "lahiri" }));
  assert.notEqual(chartViewEngineCacheKey(base), chartViewEngineCacheKey({ ...base, nodeMode: "true" }));
});

test("a saved profile pin drops the previous chart snapshot and ignores an in-flight old response", async () => {
  resetSecondaryPageDataForTests();
  const oldView = {
    status: "ok",
    billed: false,
    accountId: "acct-a",
    profileFingerprint: "fingerprint-old",
    profile: { date: "1990-01-01", time: "01:00", timezoneOffset: 8 },
  } as ChartViewResponse;
  writeChartPage({ kind: "view", view: oldView });
  assert.equal(peekChartPage()?.kind, "view");
  pinChartSnapshotIdentity({ accountId: "acct-a", fingerprint: "fingerprint-new" });
  assert.equal(peekChartPage(), null);
  pinChartSnapshotIdentity({ accountId: "acct-b", fingerprint: "fingerprint-new" });
  writeChartPage({
    kind: "view",
    view: { ...oldView, accountId: "acct-a", profileFingerprint: "fingerprint-new" },
  });
  const foreign = peekChartPage();
  assert.notEqual(foreign?.kind === "view" && foreign.view.status === "ok", true);
  if (foreign?.kind === "view") {
    assert.equal(foreign.view.accountId, "acct-b");
    assert.doesNotMatch(JSON.stringify(foreign.view), /1990-01-01/);
  }

  resetSecondaryPageDataForTests();
  let releaseFirst: (response: Response) => void = () => {};
  let markStarted: () => void = () => {};
  const started = new Promise<void>((resolve) => {
    markStarted = resolve;
  });
  let calls = 0;
  const originalFetch = globalThis.fetch;
  globalThis.fetch = (async (input: RequestInfo | URL) => {
    const url = String(input);
    if (!url.includes("/api/chart-view")) throw new Error(`unexpected fetch ${url}`);
    calls += 1;
    if (calls === 1) {
      markStarted();
      return new Promise<Response>((resolve) => {
        releaseFirst = resolve;
      });
    }
    return new Response(JSON.stringify({
      status: "chart_unavailable",
      billed: false,
      message: "新资料还不能排。",
      reason: "profile_incomplete",
      accountId: "acct-a",
      profileFingerprint: "fingerprint-new",
    }), { status: 200, headers: { "content-type": "application/json" } });
  }) as typeof fetch;
  try {
    const pending = refreshChartPage();
    await started;
    pinChartSnapshotIdentity({ accountId: "acct-a", fingerprint: "fingerprint-new" });
    releaseFirst(new Response(JSON.stringify(oldView), {
      status: 200,
      headers: { "content-type": "application/json" },
    }));
    const snapshot = await pending;
    assert.equal(calls, 2);
    assert.equal(snapshot.kind, "view");
    if (snapshot.kind !== "view") return;
    assert.equal(snapshot.view.profileFingerprint, "fingerprint-new");
    assert.notEqual(snapshot.view.profileFingerprint, "fingerprint-old");
    const visible = peekChartPage();
    assert.equal(visible?.kind, "view");
    if (visible?.kind === "view") {
      assert.equal(visible.view.profileFingerprint, "fingerprint-new");
      assert.doesNotMatch(JSON.stringify(visible.view), /1990-01-01/);
    }
  } finally {
    globalThis.fetch = originalFetch;
    resetSecondaryPageDataForTests();
  }
});

test("an account read that overlaps a profile save does not pin the stale fingerprint", () => {
  resetSecondaryPageDataForTests();
  const started = beginChartCacheAccountRead();
  pinChartSnapshotIdentity({ accountId: "acct-a", fingerprint: "fingerprint-new" });
  assert.equal(accountChartPinStillCurrent(started), false);
  const reread = beginChartCacheAccountRead();
  assert.equal(accountChartPinStillCurrent(reread), true);
  resetSecondaryPageDataForTests();
});

test("chart-view schema failures stay on the page as a named format error", async () => {
  resetSecondaryPageDataForTests();
  const originalFetch = globalThis.fetch;
  globalThis.fetch = (async () => new Response("not-json", {
    status: 200,
    headers: { "content-type": "application/json" },
  })) as typeof fetch;
  try {
    const result = await fetchChartView({});
    const body = result.body;
    if (!body || body.status === "ok") {
      assert.fail("schema failure should stay a chart-view message");
    }
    assert.equal(body.reason, "response_schema_failure");
    assert.match(body.message, /格式对不上/);
    assert.doesNotMatch(body.message, /没有可显示内容|过一会儿再打开/);
  } finally {
    globalThis.fetch = originalFetch;
    resetSecondaryPageDataForTests();
  }
});

test("the adopted-date trigger clears the whole tuple and chart-view does not read chart_profiles", () => {
  const migration = readFileSync(
    new URL("../supabase/migrations/20260920020000_adopted_birth_date.sql", import.meta.url),
    "utf8",
  );
  const service = readFileSync(new URL("../src/lib/chart-view-service.ts", import.meta.url), "utf8");
  const account = readFileSync(new URL("../src/app/api/account/route.ts", import.meta.url), "utf8");
  const onboarding = readFileSync(new URL("../src/hooks/use-profile-onboarding.ts", import.meta.url), "utf8");
  const guard = migration.slice(
    migration.indexOf("function public.guard_adopted_birth_date"),
    migration.indexOf("drop trigger if exists zz_guard_adopted_birth_date"),
  );
  assert.match(guard, /new\.active_birth_date := null/);
  assert.match(guard, /new\.active_birth_timezone_offset := null/);
  assert.match(guard, /new\.active_birth_provenance := null/);
  assert.doesNotMatch(guard, /new\.active_birth_time := null/);
  assert.match(service, /const \{ data: row, error \}/);
  assert.match(service, /profile_query_error/);
  assert.doesNotMatch(service, /chart_profiles/);
  assert.match(account, /chartBirth: resolveServerOwnedChartBirth\(profile\)/);
  assert.match(account, /chartBirthAfterAccountWrite/);
  assert.match(onboarding, /pinChartSnapshotIdentity/);
  assert.doesNotMatch(
    readFileSync(new URL("../src/app/(app)/page.tsx", import.meta.url), "utf8"),
    /pinChartSnapshotIdentity|chartBirth/,
  );
});