const TEAM_MEMBERS = [
  { id: "mazlum", name: "Mazlum", role: "Team Lead", icon: "🎩" },
  { id: "berkecan", name: "Berkecan", role: "Frontend Developer", icon: "💻" },
  { id: "simsar", name: "Simsar", role: "Backend Developer", icon: "⚙️" },
  { id: "aybuke", name: "Aybuke", role: "UI/UX Designer", icon: "🎨" },
  { id: "ive", name: "Ive", role: "iOS Developer", icon: "📱" },
  { id: "irgatov", name: "Irgatov", role: "Trainee", icon: "☕" }
];

function normalizeSpeaker(value) {
  return String(value ?? "")
    .normalize("NFD")
    .replace(/[\u0300-\u036f]/g, "")
    .toLowerCase();
}

const memberMap = new Map(TEAM_MEMBERS.map((member) => [normalizeSpeaker(member.name), member]));

function isNoiseLine(line) {
  const trimmed = line.trim();

  if (!trimmed) {
    return true;
  }

  return [
    /^╭|^╰|^│|^─/.test(trimmed),
    /^❯/.test(trimmed),
    /^⏵⏵/.test(trimmed),
    /^⏺/.test(trimmed),
    /^✻|^✽|^✳|^✢|^· /.test(trimmed),
    /^Auth conflict:/i.test(trimmed),
    /^unset ANTHROPIC_API_KEY/i.test(trimmed),
    /^Tips for getting/i.test(trimmed),
    /^Recent activity/i.test(trimmed),
    /^No recent activity/i.test(trimmed),
    /^glm-5/i.test(trimmed),
    /^Org$/i.test(trimmed),
    /^Press up to edit/i.test(trimmed),
    /^Deliberating/i.test(trimmed),
    /^Cultivating/i.test(trimmed),
    /^Sistem yonlendirmesi:/i.test(trimmed),
    /^Hedef kisi:/i.test(trimmed),
    /^Yalnizca /i.test(trimmed),
    /^Cevap zorunlu/i.test(trimmed),
    /^Baska hicbir/i.test(trimmed),
    /^Kullanici mesaji:/i.test(trimmed),
    /^Takim ici /i.test(trimmed),
    /^Her cevap /i.test(trimmed),
    /^Etiketsiz cevap /i.test(trimmed),
    /^Gecerli ornek:/i.test(trimmed),
    /^Kullanici tek bir kisiye/i.test(trimmed),
    /^Kullanici tum takima/i.test(trimmed),
    /^Her ekip uyesi/i.test(trimmed),
    /^Ilk cevap olarak/i.test(trimmed),
    /^Bu ilk cevap/i.test(trimmed),
    /^\(erkek\)|^\(disi\)/i.test(trimmed)
  ].some(Boolean);
}

function shouldBreakCurrentEntry(line) {
  const trimmed = line.trim();
  if (!trimmed) {
    return false;
  }

  return [
    isNoiseLine(trimmed),
    /^[-=]{4,}$/.test(trimmed),
    /^>/.test(trimmed),
    /^Kullanici /i.test(trimmed),
    /^Mazlum nasilsin\?/i.test(trimmed),
    /^[A-Za-zÀ-ÿ]+,/.test(trimmed)
  ].some(Boolean);
}

function isContinuationLine(line) {
  const trimmed = line.trim();
  if (!trimmed) {
    return true;
  }

  return [
    /^[A-Za-zÀ-ÿ0-9ÇĞİÖŞÜçğıöşü"'`(]/.test(trimmed),
    /^[.!?…]/.test(trimmed),
    /^💪|^😊|^🚀|^☕|^🎨|^📱/.test(trimmed)
  ].some(Boolean);
}

function dedupeMessages(messages) {
  const seen = new Set();
  const result = [];

  for (const message of messages) {
    const key = `${message.speaker}::${message.text}`;
    if (seen.has(key)) {
      continue;
    }

    seen.add(key);
    result.push(message);
  }

  return result;
}

export function parseTeamFeed(chat) {
  const entries = [];
  let currentEntry = null;

  for (const rawLine of String(chat ?? "").split("\n")) {
    const line = rawLine.trim();
    const speakerMatch = line.match(/^[•*\-⏺]?\s*([A-Za-zÀ-ÿ]+):\s*(.*)$/);

    if (speakerMatch) {
      const member = memberMap.get(normalizeSpeaker(speakerMatch[1]));
      if (!member) {
        currentEntry = null;
        continue;
      }

      currentEntry = {
        id: `${member.id}_${entries.length}_${Date.now()}`,
        speaker: member.name,
        text: speakerMatch[2] || ""
      };
      entries.push(currentEntry);
      continue;
    }

    if (!currentEntry) {
      continue;
    }

    if (shouldBreakCurrentEntry(line)) {
      currentEntry = null;
      continue;
    }

    if (!isContinuationLine(line)) {
      continue;
    }

    currentEntry.text = currentEntry.text ? `${currentEntry.text}\n${line}` : line;
  }

  return TEAM_MEMBERS.map((member) => ({
    ...member,
    messages: dedupeMessages(entries.filter((entry) => entry.speaker === member.name))
  }));
}

export { TEAM_MEMBERS };