// 경량 i18n — ?lang=en 쿼리로 한/영 전환. SSG 유지(서버에서 lang 주입).
import type { Team } from "./types";

export type Lang = "ko" | "en";

export function parseLang(v: unknown): Lang {
  return v === "en" ? "en" : "ko";
}

// 팀 짧은 표기 (KO=한글, EN=영문 약식)
const TEAM_EN: Record<string, string> = {
  KOR: "Korea",
  CZE: "Czechia",
  MEX: "Mexico",
  RSA: "S. Africa",
};
export function teamShort(team: Team, lang: Lang): string {
  return lang === "en" ? TEAM_EN[team.code] ?? team.name : team.shortName;
}

const DAYS: Record<Lang, string[]> = {
  ko: ["일", "월", "화", "수", "목", "금", "토"],
  en: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
};
const MONTHS_EN = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];

export function dayName(lang: Lang, dow: number): string {
  return DAYS[lang][dow];
}
export function monthEn(m: number): string {
  return MONTHS_EN[m - 1];
}

// roundLabel 안의 한국어 토막 번역
export function roundLabel(label: string, lang: Lang): string {
  if (lang === "ko") return label;
  return label.replace("개막전", "Opener");
}

type Dict = {
  heroPill: string;
  back: string;
  share: string;
  shareCopied: string;
  introLead: string;
  prizeLine1: string;
  prizeLine2: string;
  schedTitle: string;
  schedGuide: string;
  phase: { open: string; scheduled: string; locked: string; live: string; finished: string };
  aiPicks: string;
  draw: string;
  joined: (n: string) => string;
  aiBattle: string;
  yourPickLabel: string;
  yourChoice: string;
  win: string;
  drawLabel: string;
  winProb: (team: string) => string;
  drawOdds: string;
  ctaBeat: string;
  ctaResult: string;
  ctaLocked: string;
  ctaLive: string;
  ctaOpens: (d: string) => string;
  emailPh: string;
  notify: string;
  submit: string;
  myPick: string;
  sameAI: (models: string, exact: boolean) => string;
  soloPick: string;
  shareThis: string;
  copyLink: string;
  copied: string;
  goldDesc: string;
  goldBtn: string;
  rulesTitle: string;
  rulesCumulative: string;
  rulesExact: string;
  rulesCloseGrade: string;
  rulesOutcome: string;
  rulesPartial: string;
  rulesMiss: string;
  rulesEmailRequired: string;
  rulesCloseBtn: string;
  crowdSub: string;
  finalResult: string;
  exactHit: string;
  hit: string;
  miss: string;
  matchEnded: string;
  cdUntil: string;
  cdClosed: string;
  final: string;
  group: (g: string) => string;
  footerNotOfficial: string;
  footerDisc1: string;
  footerDisc2: string;
  footerDisc3: string;
  hook: (a: string, b: string) => string;
  moreMatches: string;
  commentsTitle: string;
  commentsCount: (n: number) => string;
  commentPh: string;
  commentAs: string;
  commentReroll: string;
  commentSubmit: string;
  commentMore: string;
  commentCollapse: string;
  commentEmpty: string;
  commentCooldown: string;
  commentError: string;
  adLabel: string;
  ado2Tagline: string;
  ado2Sub: string;
  ado2Cta: string;
};

export const DICT: Record<Lang, Dict> = {
  ko: {
    heroPill: "AI와 함께하는 2026 글로벌 축구 축전 승부예측 챌린지",
    back: "← 전체 일정",
    share: "투표 공유하기",
    shareCopied: "링크 복사됨 ✓",
    introLead: "GPT · Claude · Gemini가 매 경기를\n서로 다르게 예측합니다.",
    prizeLine1: "가장 많이 참여하고, 가장 정확하게 예측한",
    prizeLine2: "최종 우승자에게 100만원 상금",
    schedTitle: "전체 일정",
    schedGuide: "투표하고 싶은 경기를 선택해주세요",
    phase: { open: "투표 중", scheduled: "오픈 예정", locked: "투표 종료", live: "경기중", finished: "종료" },
    aiPicks: "AI 픽",
    draw: "무",
    joined: (n) => `${n}명 참여`,
    aiBattle: "AI의 예측 대결",
    yourPickLabel: "Your Pick · 내 예측",
    yourChoice: "당신의 선택",
    win: "승",
    drawLabel: "무승부",
    winProb: (t) => `${t} 승리 확률`,
    drawOdds: "무승부 가능성",
    ctaBeat: "AI보다 잘 맞히기",
    ctaResult: "결과 보기",
    ctaLocked: "투표 종료",
    ctaLive: "경기 진행 중",
    ctaOpens: (d) => `투표 오픈 ${d}`,
    emailPh: "이메일 (결과·다음 경기 알림)",
    notify: "경기 결과가 나오면 알려주세요. 다음 경기·100만원 챌린지 소식도 받겠습니다.",
    submit: "제출하고 AI와 겨루기",
    myPick: "내 예측",
    sameAI: (m, exact) =>
      `당신은 ${m}와 같은 선택입니다.${exact ? " 스코어까지 일치!" : ""} 나머지 AI는 생각이 다릅니다.`,
    soloPick: "당신은 AI 셋 모두와 다른 선택! 소신 픽 🔥",
    shareThis: "이 경기 공유하기",
    copyLink: "링크 복사",
    copied: "복사됨 ✓",
    goldDesc: "경기마다 승패·스코어를 맞혀 포인트를 쌓고, 누적 1위에게 최종 100만원",
    goldBtn: "100만 원에\n도전하기",
    rulesTitle: "100만 원 챌린지 룰",
    rulesCumulative: "경기마다 적중 포인트를 쌓아, 대회 누적 포인트 1위 한 분에게 최종 100만 원을 드립니다.",
    rulesExact: "정확 스코어 적중",
    rulesCloseGrade: "근접 (승패 + 득실차 일치)",
    rulesOutcome: "승패만 적중",
    rulesPartial: "부분 (한 팀 스코어만 일치)",
    rulesMiss: "빗나감",
    rulesEmailRequired:
      "픽 제출 시 입력한 이메일로 챌린지에 참여됩니다. 같은 이메일의 모든 경기 포인트가 합산되어 누적 순위가 매겨집니다.",
    rulesCloseBtn: "확인",
    crowdSub: "| 참여자들의 선택",
    finalResult: "최종 결과",
    exactHit: "정확 ✓",
    hit: "적중 ✓",
    miss: "빗나감",
    matchEnded: "경기 종료 · 최종 결과",
    cdUntil: "투표 종료까지",
    cdClosed: "투표가 마감되었습니다",
    final: "Final",
    group: (g) => `Group ${g}`,
    footerNotOfficial:
      "Independent AI prediction game — not affiliated with, endorsed by, or sponsored by FIFA or the official World Cup.",
    footerDisc1: "FIFA 및 공식 월드컵과 무관한 독립 AI 예측 게임입니다 (제휴·후원·운영 아님).",
    footerDisc2: "스포츠 분석·엔터테인먼트 목적의 예측 게임이며 베팅·도박을 권유하지 않습니다. AI 예측은 실제 결과를 보장하지 않습니다.",
    footerDisc3: "100만 원 이벤트는 무료 참여형 챌린지입니다. 지급·동점 처리 조건은 별도 약관에 따릅니다. 이메일은 결과·이벤트 알림 목적으로만 사용됩니다.",
    hook: (a, b) => `${a} vs ${b}, AI의 선택은 갈렸다`,
    moreMatches: "다른 경기 투표하기",
    commentsTitle: "한마디",
    commentsCount: (n) => `총 ${n}개`,
    commentPh: "응원 한마디 남기기...",
    commentAs: "이번 닉네임",
    commentReroll: "닉네임 새로 뽑기",
    commentSubmit: "등록",
    commentMore: "댓글 더보기",
    commentCollapse: "접기",
    commentEmpty: "첫 한마디를 남겨보세요!",
    commentCooldown: "잠시 후 다시 시도해주세요.",
    commentError: "등록에 실패했습니다. 잠시 후 다시 시도해주세요.",
    adLabel: "광고",
    ado2Tagline: "AI 마케팅 자동화 플랫폼",
    ado2Sub: "AI Marketing Automation Platform →",
    ado2Cta: "사용해보기",
  },
  en: {
    heroPill: "AI-powered Global Football Festival 2026 match predictions",
    back: "← All matches",
    share: "Share vote",
    shareCopied: "Link copied ✓",
    introLead: "GPT · Claude · Gemini predict\nevery match differently.",
    prizeLine1: "The most active, most accurate",
    prizeLine2: "overall winner takes ₩1,000,000",
    schedTitle: "All Matches",
    schedGuide: "Pick a match to predict",
    phase: { open: "Voting", scheduled: "Opens soon", locked: "Closed", live: "Live", finished: "Ended" },
    aiPicks: "AI picks",
    draw: "Draw",
    joined: (n) => `${n} joined`,
    aiBattle: "AI Prediction Battle",
    yourPickLabel: "Your Pick",
    yourChoice: "Your Choice",
    win: "Win",
    drawLabel: "Draw",
    winProb: (t) => `${t} win prob.`,
    drawOdds: "Draw odds",
    ctaBeat: "Beat the AI",
    ctaResult: "View result",
    ctaLocked: "Voting closed",
    ctaLive: "Match in progress",
    ctaOpens: (d) => `Opens ${d}`,
    emailPh: "Email (result & next-match alerts)",
    notify: "Notify me when the result is out. I'll also get next-match & ₩1,000,000 challenge news.",
    submit: "Submit & face the AI",
    myPick: "My Pick",
    sameAI: (m, exact) =>
      `You matched ${m}.${exact ? " Exact score too!" : ""} The other AIs disagree.`,
    soloPick: "You disagree with all three AIs — bold pick 🔥",
    shareThis: "Share this match",
    copyLink: "Copy link",
    copied: "Copied ✓",
    goldDesc: "Earn points each match by nailing the result & score — the overall #1 wins ₩1,000,000.",
    goldBtn: "Go for\n₩1,000,000",
    rulesTitle: "₩1,000,000 Challenge Rules",
    rulesCumulative: "Earn points each match — the player with the highest cumulative total wins ₩1,000,000.",
    rulesExact: "Exact score",
    rulesCloseGrade: "Close (result + goal difference)",
    rulesOutcome: "Correct result only",
    rulesPartial: "Partial (one team's score)",
    rulesMiss: "Miss",
    rulesEmailRequired:
      "You enter the challenge with the email you provide when submitting a pick. Points from all matches under the same email are summed for the overall ranking.",
    rulesCloseBtn: "Got it",
    crowdSub: "| What the crowd picked",
    finalResult: "Final result",
    exactHit: "Exact ✓",
    hit: "Hit ✓",
    miss: "Miss",
    matchEnded: "Match ended · Final",
    cdUntil: "Voting closes in",
    cdClosed: "Voting closed",
    final: "Final",
    group: (g) => `Group ${g}`,
    footerNotOfficial:
      "Independent AI prediction game — not affiliated with, endorsed by, or sponsored by FIFA or the official World Cup.",
    footerDisc1: "A fan-run prediction game using public match schedules; all picks are independent.",
    footerDisc2: "A sports-analysis & entertainment prediction game. No betting or gambling. AI predictions do not guarantee real outcomes.",
    footerDisc3: "The ₩1,000,000 event is a free-to-enter challenge. Payout & tie-break terms follow separate rules. Email is used only for result & event alerts.",
    hook: (a, b) => `AI is split on ${a} vs ${b}`,
    moreMatches: "Vote on another match",
    commentsTitle: "Comments",
    commentsCount: (n) => `${n} total`,
    commentPh: "Leave a comment...",
    commentAs: "Your name",
    commentReroll: "Get a new name",
    commentSubmit: "Post",
    commentMore: "Show more",
    commentCollapse: "Collapse",
    commentEmpty: "Be the first to comment!",
    commentCooldown: "Please wait a moment before posting again.",
    commentError: "Failed to post. Please try again shortly.",
    adLabel: "AD",
    ado2Tagline: "AI Marketing Automation Platform",
    ado2Sub: "Visit ado2.o2osolution.ai →",
    ado2Cta: "Try it",
  },
};

export function dict(lang: Lang): Dict {
  return DICT[lang];
}