import { t } from "./i18n.js";
import { state } from "./state.js";
import { $ } from "./dom.js";
import {
    linkRootId,
    renderLinkBadge,
    escapeHtml,
    safeUrl,
} from "./ui-utils.js";
import { scoreToEmoji } from "./votes-ui.js";
import { openLightbox } from "./modals-ui.js";

export function renderResults() {
    const container = $("results-list");
    if (!container) return;
    container.innerHTML = "";
    const table = document.createElement("table");
    table.className = "results-table";
    table.innerHTML = `
    <thead>
      <tr>
        <th>${t("results.rank")}</th>
        <th>${t("results.game")}</th>
        <th>${t("results.author")}</th>
        <th>${t("results.average")}</th>
        <th>${t("results.votesList")}</th>
        <th>${t("results.myVote")}</th>
        <th>${t("results.links")}</th>
      </tr>
    </thead>
    <tbody></tbody>
  `;
    const tbody = table.querySelector("tbody");
    const rankByRoot = new Map();
    let nextRank = 1;
    state.results.forEach((r) => {
        const root = linkRootId(r);
        let rank = rankByRoot.get(root);
        if (!rank) {
            rank = nextRank++;
            rankByRoot.set(root, rank);
        }
        const medal =
            rank === 1
                ? "🥇"
                : rank === 2
                  ? "🥈"
                  : rank === 3
                    ? "🥉"
                    : `${rank}`;
        const row = document.createElement("tr");
        const podiumClass =
            rank === 1
                ? "podium podium-1"
                : rank === 2
                  ? "podium podium-2"
                  : rank === 3
                    ? "podium podium-3"
                    : "";
        row.className = podiumClass;
        const safeName = escapeHtml(r.name);
        const safeAuthor = escapeHtml(r.author ?? "—");
        const safeShot = safeUrl(r.screenshotUrl);
        const safeGameUrl = safeUrl(r.gameUrl);
        const safeYoutubeUrl = safeUrl(r.youtubeUrl);
        const votersTooltip = buildVotersTooltip(r);
        const safeVotersTooltip = escapeHtml(votersTooltip);
        const averageScore =
            r.average?.toFixed && typeof r.average === "number"
                ? r.average.toFixed(1)
                : r.average;
        row.innerHTML = `
      <td class="rank-cell"><span class="medal">${medal}</span></td>
      <td class="game-cell">
         ${safeShot ? `<img class="thumb clickable-thumb" src="${safeShot}" alt="${safeName}">` : ""}
         <div class="game-meta">
           <div class="title-line">
             <span class="title-text">${safeName}</span>
             ${renderLinkBadge(r)}
           </div>
           ${buildResultMeta(r)}
         </div>
      </td>
      <td class="author-cell">${safeAuthor || "—"}</td>
      <td><span title="${safeVotersTooltip}">${averageScore}</span></td>
      <td>${formatVotes(r.votes, votersTooltip)}</td>
      <td>${formatMyVote(r.myVote, votersTooltip)}</td>
      <td>
        ${safeGameUrl ? `<a class="link compact" href="${safeGameUrl}" target="_blank" rel="noopener">${t("results.link.site")}</a><br>` : ""}
        ${safeYoutubeUrl ? `<a class="link compact" href="${safeYoutubeUrl}" target="_blank" rel="noopener">${t("results.link.youtube")}</a>` : ""}
      </td>
    `;
        tbody.appendChild(row);
    });
    const frame = document.createElement("div");
    frame.className = "results-frame";
    frame.appendChild(table);
    container.appendChild(frame);
    container.querySelectorAll(".clickable-thumb").forEach((img) => {
        img.addEventListener("click", () => openLightbox(img.src, img.alt));
    });
}

function buildResultMeta(r) {
    const hasPlayers = r.minPlayers || r.maxPlayers;
    const players = hasPlayers
        ? t("card.players", {
              min: r.minPlayers ?? "?",
              max: r.maxPlayers ?? "?",
          })
        : null;
    const bits = [r.genre ? escapeHtml(r.genre) : null, players].filter(
        Boolean,
    );
    if (bits.length === 0) return "";
    return `<div class="muted small">${bits.join(" • ")}</div>`;
}

function formatVotes(votes, tooltip) {
    const safeTooltip = escapeHtml(tooltip);
    if (!Array.isArray(votes) || votes.length === 0) {
        return `<span class="score-emoji" title="${safeTooltip}">⚠️</span>`;
    }
    const sorted = [...votes].sort((a, b) => a - b);
    return sorted
        .map(
            (v) =>
                `<span class="score-emoji" title="${safeTooltip}">${scoreToEmoji(v)}</span>`,
        )
        .join("");
}

function formatMyVote(score, tooltip) {
    if (score == null || Number.isNaN(score)) return "—";
    const safeTooltip = escapeHtml(tooltip);
    return `${score} <span class="score-emoji" title="${safeTooltip}">${scoreToEmoji(score)}</span>`;
}

function buildVotersTooltip(result) {
    const voterNames = Array.isArray(result?.voterNames)
        ? result.voterNames
              .filter(
                  (name) => typeof name === "string" && name.trim().length > 0,
              )
              .sort((a, b) =>
                  a.localeCompare(b, undefined, { sensitivity: "base" }),
              )
        : [];
    if (voterNames.length === 0) return t("results.votersTooltipEmpty");
    return t("results.votersTooltip", { users: voterNames.join(", ") });
}