import { ApiClient, type InspectionResult, type SiteInspectionResult } from "../api-client.js";
import { t } from "../i18n/index.js";

export async function getInspection(
  client: ApiClient,
  id: string,
  lang: "en" | "ko",
): Promise<string> {
  // Try single-page first, then site inspection
  try {
    const r = await client.getInspection(id);
    return formatSingleResult(r, lang);
  } catch {
    // Might be a site inspection ID
  }

  try {
    const r = await client.getSiteInspection(id);
    return formatSiteResult(r, lang);
  } catch {
    return t("get_inspection.not_found", lang, { id });
  }
}

function formatSingleResult(r: InspectionResult, lang: "en" | "ko"): string {
  const lines: string[] = [];
  const duration = r.duration_seconds
    ? `${r.duration_seconds.toFixed(1)}s`
    : "—";

  lines.push(`# ${t("result.title", lang)}`);
  lines.push(`**URL**: ${r.url}`);
  lines.push(`**Status**: ${r.status}`);
  lines.push(`**Inspection ID**: ${r.inspection_id}`);

  if (r.status !== "completed") {
    return lines.join("\n");
  }

  lines.push(
    `**${t("result.overall_score", lang)}**: ${r.overall_score}/100 (${r.grade})`,
  );
  lines.push(`**${t("result.duration", lang)}**: ${duration}`);
  if (r.accessibility_standard) {
    lines.push(`**${t("result.standard", lang)}**: ${r.accessibility_standard}`);
  }
  lines.push("");

  // Category scores
  lines.push(`## ${t("result.category_scores", lang)}`);
  lines.push(
    `| ${t("result.category", lang)} | ${t("result.score", lang)} | ${t("result.grade", lang)} | ${t("result.issues", lang)} |`,
  );
  lines.push("|---|---|---|---|");

  for (const [key, label] of [
    ["html_css", "HTML/CSS"],
    ["accessibility", "Accessibility"],
    ["seo", "SEO"],
    ["performance_security", "Performance/Security"],
  ] as const) {
    const cat = r.categories[key];
    if (!cat) continue;
    lines.push(
      `| ${label} | ${cat.score} | ${cat.grade} | ${cat.total_issues} |`,
    );
  }
  lines.push("");

  lines.push(
    `> ${t("result.more_issues_hint", lang, { inspectionId: r.inspection_id })}`,
  );

  return lines.join("\n");
}

function formatSiteResult(r: SiteInspectionResult, lang: "en" | "ko"): string {
  const lines: string[] = [];

  lines.push(`# Site ${t("result.title", lang)}`);
  lines.push(`**Root URL**: ${r.root_url}`);
  lines.push(`**Domain**: ${r.domain}`);
  lines.push(`**Status**: ${r.status}`);
  lines.push(`**Site Inspection ID**: ${r.site_inspection_id}`);

  if (r.aggregate_scores) {
    const a = r.aggregate_scores;
    lines.push("");
    lines.push(
      `**${t("result.overall_score", lang)}**: ${a.overall_score}/100 (${a.grade})`,
    );
    lines.push(`**Pages**: ${a.pages_inspected}/${a.pages_total}`);
    lines.push("");

    lines.push(`## ${t("result.category_scores", lang)}`);
    lines.push(
      `| ${t("result.category", lang)} | ${t("result.score", lang)} |`,
    );
    lines.push("|---|---|");
    lines.push(`| HTML/CSS | ${a.html_css} |`);
    lines.push(`| Accessibility | ${a.accessibility} |`);
    lines.push(`| SEO | ${a.seo} |`);
    lines.push(`| Performance/Security | ${a.performance_security} |`);
    lines.push("");
    lines.push(`**Total Issues**: ${a.total_issues}`);
  }

  // Page list
  if (r.discovered_pages.length > 0) {
    lines.push("");
    lines.push("## Pages");
    lines.push("| URL | Score | Grade | Status |");
    lines.push("|---|---|---|---|");
    for (const p of r.discovered_pages) {
      const score = p.overall_score !== undefined ? String(p.overall_score) : "—";
      const grade = p.grade || "—";
      lines.push(`| ${p.url} | ${score} | ${grade} | ${p.status} |`);
    }
  }

  return lines.join("\n");
}