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

import {
  calendarDateInTimeZone,
  composeDailyStarlanguageCard,
  dailyStarlanguageCacheKey,
  dailyStarlanguageEvidence,
  dailyStarlanguageProfileKey,
  dailyStarlanguagePrompt,
  evidenceFromDailyGuidance,
  parseDailyStarlanguageText,
} from "../src/lib/daily-starlanguage.ts";

const today = "2026-08-17";

const chart = {
  modules: {
    chart: {
      ascendant: { sign: "Leo", lon: 132.5 },
      planets: { Moon: { sign: "Cancer", lon: 98.2 }, Sun: { sign: "Leo", lon: 130.1 } },
    },
  },
  ai_prompt_pack: {
    evidence_snapshot: {
      functional_benefic_malefic: {
        status: "used",
        functional_benefics: ["Mars", "Sun"],
        functional_malefics: ["Mercury"],
      },
    },
  },
};

const vimshottari = {
  vimshottari_analysis: {
    nakshatra: { name: "Pushya" },
    current: {
      mahadasha: { lord: "Venus" },
      antardasha: { lord: "Mercury" },
      remaining_days: 412,
    },
  },
};

const narayana = {
  periods: [
    { lord: "Aries", start: "2019-01-01", end: "2026-01-01" },
    { lord: "Taurus", start: "2026-01-01", end: "2033-01-01" },
  ],
};

const varga = {
  result: {
    D9_Navamsa: { ascendant: { sign: "Sagittarius" }, planets: { Moon: { sign: "Pisces" } } },
    D10_Dasamsa: { ascendant: { sign: "Gemini" }, planets: { Moon: { sign: "Virgo" } } },
  },
};

const transit = {
  summary: {
    total_triggers: 2,
    top_triggers: [
      { planet: "Saturn", target: "Moon", event: "接近精确合相" },
      { planet: "Jupiter", target: "Ascendant", event: "三分相进入容许度" },
    ],
  },
};

test("the daily card reads every engine layer it claims to use", () => {
  const evidence = dailyStarlanguageEvidence({ chart, vimshottari, narayana, varga, transit }, today, true);

  // Given: the chart, both dashas, the divisional charts and today's transits all answered.
  assert.equal(evidence.ascendantSign, "Leo");
  assert.equal(evidence.moonSign, "Cancer");
  assert.deepEqual(evidence.vimshottari, {
    mahadasha: "Venus",
    antardasha: "Mercury",
    remainingDays: 412,
    nakshatra: "Pushya",
  });

  // And: the Narayana period is the one actually running today, not simply the first.
  assert.equal(evidence.narayanaSign, "Taurus");
  assert.deepEqual(evidence.divisional.map((entry) => entry.chart), ["D9_Navamsa", "D10_Dasamsa"]);
  assert.equal(evidence.divisional[0].moonSign, "Pisces");
  assert.equal(evidence.transit?.totalTriggers, 2);
  assert.deepEqual(evidence.transit?.top, ["Saturn → Moon → 接近精确合相", "Jupiter → Ascendant → 三分相进入容许度"]);
  assert.deepEqual(evidence.functionalBenefics, ["Mars", "Sun"]);
  assert.deepEqual(evidence.functionalMalefics, ["Mercury"]);
  assert.deepEqual(evidence.missingLayers, []);
});

test("layers the engine could not return are named instead of quietly missing", () => {
  // Given: only the chart answered; the rest timed out and came back null.
  const evidence = dailyStarlanguageEvidence(
    { chart, vimshottari: null, narayana: null, varga: null, transit: null },
    today,
    true,
  );

  // Then: the model is told which layers are absent, so it cannot pass them off as consulted.
  assert.deepEqual(evidence.missingLayers, ["Vimshottari", "Narayana", "分盘", "过境"]);
  assert.equal(evidence.vimshottari, null);
  assert.equal(evidence.narayanaSign, null);
  assert.deepEqual(evidence.divisional, []);
  assert.equal(evidence.transit, null);
});

test("a blocked functional-role layer contributes nothing", () => {
  const blocked = {
    ai_prompt_pack: {
      evidence_snapshot: {
        functional_benefic_malefic: { status: "blocked", functional_benefics: [], functional_malefics: [] },
      },
    },
    modules: chart.modules,
  };
  const evidence = dailyStarlanguageEvidence(
    { chart: blocked, vimshottari, narayana, varga, transit },
    today,
    true,
  );

  assert.deepEqual(evidence.functionalBenefics, []);
  assert.deepEqual(evidence.functionalMalefics, []);
});

test("an unconfirmed birth time is stated to the model as a hard limit", () => {
  const evidence = dailyStarlanguageEvidence({ chart, vimshottari, narayana, varga, transit }, today, false);
  const prompt = dailyStarlanguagePrompt(evidence);

  assert.match(prompt, /出生时间状态：未经校正确认/);
  assert.match(prompt, /禁止任何依赖分钟精度的判断/);
  assert.match(prompt, /2026-08-17/);
});

test("model output is accepted only as a complete card", () => {
  const fenced = "```json\n{\"trend\":\"今天适合把一件悬着的事收口。\",\"action\":\"给最重要的一件事留出不被打断的时间。\",\"caution\":\"先别在情绪最满时下承诺。\"}\n```";
  const card = parseDailyStarlanguageText(fenced);

  assert.equal(card?.trend, "今天适合把一件悬着的事收口。");
  assert.equal(card?.action, "给最重要的一件事留出不被打断的时间。");

  // Then: partial, empty or non-JSON output is rejected rather than half-rendered.
  assert.equal(parseDailyStarlanguageText("{\"trend\":\"今天适合把一件悬着的事收口。\"}"), null);
  assert.equal(parseDailyStarlanguageText("今天没什么特别的。"), null);
  assert.equal(parseDailyStarlanguageText("{\"trend\":\"太短\",\"action\":\"做事\",\"caution\":\"小心\"}"), null);
});

test("cached cards cannot cross accounts, profiles or days", () => {
  const base = dailyStarlanguageCacheKey("account-1", "payload-a", today);

  assert.notEqual(base, dailyStarlanguageCacheKey("account-2", "payload-a", today));
  assert.notEqual(base, dailyStarlanguageCacheKey("account-1", "payload-b", today));
  assert.notEqual(base, dailyStarlanguageCacheKey("account-1", "payload-a", "2026-08-18"));
  assert.equal(base, dailyStarlanguageCacheKey("account-1", "payload-a", today));
});

test("the calendar day follows the birth timezone, not UTC", () => {
  const utcEvening = new Date("2026-08-18T16:30:00.000Z");

  assert.equal(calendarDateInTimeZone(utcEvening, "Asia/Shanghai"), "2026-08-19");
  assert.equal(calendarDateInTimeZone(utcEvening, "America/Los_Angeles"), "2026-08-18");
  assert.equal(calendarDateInTimeZone(utcEvening), "2026-08-18");
});

test("an evidence card is personal to this chart, not a four-line rotation", () => {
  const venusTwelfth = dailyStarlanguageEvidence({ chart, vimshottari, narayana, varga, transit }, today, true);
  const saturnFirst = dailyStarlanguageEvidence({
    chart: {
      modules: {
        chart: {
          ascendant: { sign: "Aries" },
          planets: { Moon: { sign: "Aries" }, Sun: { sign: "Taurus" } },
        },
      },
    },
    vimshottari: {
      vimshottari_analysis: {
        nakshatra: { name: "Ashwini" },
        current: {
          mahadasha: { lord: "Saturn" },
          antardasha: { lord: "Jupiter" },
          remaining_days: 80,
        },
      },
    },
    narayana,
    varga,
    transit: { summary: { total_triggers: 0, top_triggers: [] } },
  }, today, true);

  const twelfth = composeDailyStarlanguageCard(venusTwelfth);
  const first = composeDailyStarlanguageCard(saturnFirst);

  assert.match(twelfth.trend, /休整/);
  assert.match(twelfth.trend, /金星/);
  assert.equal(twelfth.action, "先收尾一件未完成的事，再给自己留一段安静。");
  assert.match(twelfth.caution, /观察窗口/);

  assert.match(first.trend, /自我/);
  assert.match(first.trend, /土星/);
  assert.equal(first.action, "整理状态，把节奏重新起起来。");
  assert.notEqual(twelfth.trend, first.trend);
  assert.notEqual(twelfth.action, first.action);

  for (const card of [twelfth, first]) {
    assert.doesNotMatch(card.trend, /先收束，再推进|执行力比灵感更重要|适合观察资源流向/);
    assert.doesNotMatch(card.action, /选一件最重要的事，给它留出 45 分钟/);
  }
});

test("an unconfirmed birth time does not use the ascendant house", () => {
  const evidence = dailyStarlanguageEvidence({ chart, vimshottari, narayana, varga, transit }, today, false);
  const card = composeDailyStarlanguageCard(evidence);

  assert.doesNotMatch(card.trend, /休整|自我|财务|沟通/);
  assert.match(card.trend, /金星/);
  assert.match(card.caution, /不依赖具体分钟/);
});

test("today's card follows the transiting moon house, not the natal moon house", () => {
  const natalTwelfth = dailyStarlanguageEvidence({ chart, vimshottari, narayana, varga, transit }, today, true);
  const eighthToday = evidenceFromDailyGuidance({
    success: true,
    date: today,
    theme: "深度",
    moon_house: 8,
    moon_sign: "Pisces",
    natal_moon_sign: "Cancer",
    ascendant_sign: "Leo",
    mahadasha_lord: "Venus",
  }, today, true);

  assert.equal(natalTwelfth.moonSign, "Cancer");
  assert.match(composeDailyStarlanguageCard(eighthToday!).trend, /复盘/);
  assert.doesNotMatch(composeDailyStarlanguageCard(eighthToday!).trend, /休整/);
  assert.equal(composeDailyStarlanguageCard(eighthToday!).action, "清理一个旧问题，只推进到可复查的一步。");
});

test("a daily-guidance packet that did not compute is refused rather than padded", () => {
  assert.equal(evidenceFromDailyGuidance({ success: false, moon_sign: "Libra" }, today, true), null);
  assert.equal(evidenceFromDailyGuidance({ success: true }, today, true), null);
});

test("profile fingerprints ignore object identity and name-only edits", () => {
  const base = {
    date: "1990-06-15",
    time: "12:30",
    timezoneId: "Asia/Shanghai",
    latitude: 31.2,
    longitude: 121.5,
    timezoneOffset: 8,
    birthTimeStatus: "confirmed",
  };

  assert.equal(dailyStarlanguageProfileKey(base), dailyStarlanguageProfileKey({ ...base }));
  assert.notEqual(dailyStarlanguageProfileKey(base), dailyStarlanguageProfileKey({ ...base, time: "12:31" }));
});

test("the homepage card is engine-backed first, with Agent polish off the request path", () => {
  const route = readFileSync(new URL("../src/app/api/daily-starlanguage/route.ts", import.meta.url), "utf8");
  const page = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
  const agents = readFileSync(new URL("../src/mastra/index.ts", import.meta.url), "utf8");
  const generateCard = route.slice(route.indexOf("async function generateCard"), route.indexOf("function unavailable"));
  const polish = route.slice(route.indexOf("function scheduleAgentPolish"), route.indexOf("async function generateCard"));

  assert.match(route, /supabase\.auth\.getUser\(\)/);
  assert.match(route, /\{ status: "unauthenticated" \}, \{ status: 401 \}/);
  assert.match(route, /from\("profiles"\)/);
  assert.match(route, /globalBirthProfileFromAccountRow/);
  assert.match(route, /consumeUserRequestRateLimit\("dailyStarlanguage"/);
  assert.doesNotMatch(route, /body\?\.profile/);
  assert.doesNotMatch(route, /body\?\.today/);
  assert.match(route, /dailyStarlanguageCacheKey\(user\.id, JSON\.stringify\(payload\), today\)/);
  assert.match(route, /pending\(\)\.get\(key\)/);
  assert.match(route, /"\/api\/daily_guidance"/);
  assert.doesNotMatch(generateCard, /"\/api\/chart"/);
  assert.doesNotMatch(generateCard, /"\/api\/dasha"/);
  assert.doesNotMatch(generateCard, /"\/api\/varga_full"/);
  assert.doesNotMatch(generateCard, /"\/api\/transit"/);
  assert.match(agents, /getDailyStarlanguageAgent/);
  assert.doesNotMatch(agents, /jyotish-daily-starlanguage[\s\S]{0,400}skills: \[jyotishSkillPath\]/);

  assert.match(generateCard, /evidenceFromDailyGuidance\(packet/);
  assert.match(generateCard, /composeDailyStarlanguageCard\(evidence\)/);
  assert.doesNotMatch(generateCard, /getDailyStarlanguageAgent/);
  assert.match(polish, /void polishWithAgent/);
  assert.match(route, /scheduleAgentPolish\(key, today, generated\.evidence\)/);
  assert.match(route, /getDailyStarlanguageAgent\(model\)\.generate\(/);

  for (const source of [route, page]) {
    assert.doesNotMatch(source, /先收束，再推进|执行力比灵感更重要|适合观察资源流向/);
  }
  assert.match(page, /fetchDailyStarlanguage\(controller\.signal\)/);
  assert.match(page, /body: JSON\.stringify\(\{\}\)/);
  assert.doesNotMatch(page, /JSON\.stringify\(\{ profile, today \}\)/);
  assert.doesNotMatch(page, /buildDailyStarlanguageCard/);
  assert.match(route, /status: "unavailable"/);
  assert.match(page, /今天的星语还没写出来/);
  assert.match(page, /从今日问起/);
  assert.doesNotMatch(page, /点这里|不会用通用文案顶替|今天的星语没能生成/);
  assert.match(page, /writeStoredDailyStarlanguage/);
});

test("the home requests the card exactly when it renders one, and retries a failed day once", () => {
  const page = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
  const effect = page.slice(
    page.indexOf("if (!hydrated || !accountId || !profileComplete || !natalMinuteAvailable) return;"),
    page.indexOf("}, [accountId, dailyStarlanguageFingerprint, hydrated, natalMinuteAvailable, profileComplete]);"),
  );

  assert.match(page, /aria-busy=\{dailyStarlanguageBusy\}/);
  assert.ok(effect.length > 0);
  assert.doesNotMatch(page, /birthTimeDisplayState\(profile\)/);
  assert.match(effect, /next\.kind === "unavailable" && remainingRetries > 0/);
  assert.match(effect, /attempt\(1\);/);
  assert.match(effect, /clearTimeout\(retryTimer\)/);
  assert.match(effect, /readStoredDailyStarlanguage\(accountId\)/);
  assert.match(effect, /if \(stored && stored\.day === today && stored\.fingerprint === fingerprint\) return;/);
});

test("no single engine layer can take the whole card down without saying which one", () => {
  const route = readFileSync(new URL("../src/app/api/daily-starlanguage/route.ts", import.meta.url), "utf8");

  assert.match(route, /fetchEngine\("\/api\/daily_guidance"/);
  assert.match(route, /reason: "chart_unavailable"/);
  assert.match(route, /return unavailable\(generated\.reason\)/);
  assert.doesNotMatch(route, /reason: "model_unavailable"/);
  assert.doesNotMatch(route, /reason: "agent_generation_failed"/);
  assert.doesNotMatch(route, /fetchEngine\("\/api\/chart"/);

  const engineTimeout = Number(route.match(/const engineTimeoutMs = ([\d_]+);/)?.[1]?.replace(/_/g, ""));
  const maxDuration = Number(route.match(/export const maxDuration = (\d+);/)?.[1]);
  assert.ok(engineTimeout <= 8_000, `homepage must not wait on a full chart: ${engineTimeout}`);
  assert.ok(Number.isFinite(maxDuration) && maxDuration <= 20, `route budget still too wide for first paint: ${maxDuration}`);
  assert.ok(engineTimeout < (maxDuration ?? 0) * 1000, "engine timeout must fit inside the route budget");
  assert.match(route, /composeDailyStarlanguageCard/);
});