import type { AuthStateValue } from "../shared/auth-messages";
import type { UpdateManifest } from "../shared/update-check";

export function renderLoggedOut(root: HTMLElement, error?: string | null): void {
  root.innerHTML = `
    <section data-popup-state="logged-out">
      <h1>Star Chart Search Enhancer</h1>
      <p>登录后才能使用星图增强功能</p>
      ${error ? `<p data-popup-error="true">${error}</p>` : ""}
      <button type="button" data-popup-sign-in="button">登录 Logto</button>
    </section>
  `;
}

export function renderLoggedIn(
  root: HTMLElement,
  authState: AuthStateValue
): void {
  const userInfo = authState.userInfo;

  root.innerHTML = `
    <section data-popup-state="logged-in">
      <h1>Star Chart Search Enhancer</h1>
      <p>已登录</p>
      <p>${userInfo?.name ?? userInfo?.username ?? "未知用户"}</p>
      <p>${userInfo?.email ?? ""}</p>
      <section data-popup-update="root">
        <h2>版本更新</h2>
        <p data-popup-update-status="text">正在检查更新...</p>
      </section>
      <button type="button" data-popup-sign-out="button">退出登录</button>
    </section>
  `;
}

export function renderUpdateStatus(
  root: HTMLElement,
  options: {
    currentVersion: string;
    manifest?: UpdateManifest;
    status: "checking" | "error" | "latest" | "available";
  }
): void {
  const container = root.querySelector('[data-popup-update="root"]');
  if (!container) {
    return;
  }

  if (options.status === "checking") {
    container.innerHTML = `
      <h2>版本更新</h2>
      <p data-popup-update-status="text">当前版本：${options.currentVersion}</p>
      <p>正在检查更新...</p>
    `;
    return;
  }

  if (options.status === "error") {
    container.innerHTML = `
      <h2>版本更新</h2>
      <p data-popup-update-status="text">当前版本：${options.currentVersion}</p>
      <p>暂时无法检查更新</p>
      <p>如果需要新版，请联系维护同事获取更新包。</p>
    `;
    return;
  }

  if (options.status === "latest" || !options.manifest) {
    container.innerHTML = `
      <h2>版本更新</h2>
      <p data-popup-update-status="text">当前版本：${options.currentVersion}</p>
      <p>当前已是最新版本</p>
    `;
    return;
  }

  container.innerHTML = `
    <h2>版本更新</h2>
    <p data-popup-update-status="text">当前版本：${options.currentVersion}</p>
    <p>发现新版本：${options.manifest.latestVersion}</p>
    ${renderReleaseNotes(options.manifest.releaseNotes)}
    <button type="button" data-popup-download-update="button">下载更新包</button>
    <button type="button" data-popup-download-guide="button">下载使用说明</button>
    <p data-popup-update-download-status="text">下载后请解压新版 zip，并在 chrome://extensions 里重新加载插件。</p>
  `;
}

export function setUpdateDownloadStatus(
  root: HTMLElement,
  value: string
): void {
  const output = root.querySelector('[data-popup-update-download-status="text"]');
  if (!output) {
    return;
  }

  output.textContent = value;
}

function renderReleaseNotes(releaseNotes: string[]): string {
  if (releaseNotes.length === 0) {
    return "";
  }

  return `
    <ul>
      ${releaseNotes.map((note) => `<li>${escapeHtml(note)}</li>`).join("")}
    </ul>
  `;
}

function escapeHtml(value: string): string {
  return value
    .replace(/&/g, "&amp;")
    .replace(/</g, "&lt;")
    .replace(/>/g, "&gt;")
    .replace(/"/g, "&quot;");
}

export function renderDevPanel(
  root: HTMLElement,
  authState: AuthStateValue
): void {
  const panel = root.ownerDocument.createElement("section");
  panel.dataset.popupDevPanel = "root";
  panel.innerHTML = `
    <h2>dev auth panel</h2>
    <p>resource: ${authState.resource ?? ""}</p>
    <p>scopes: ${(authState.scopes ?? []).join(", ")}</p>
    <p>token: ${authState.tokenAvailable ? "available" : "missing"}</p>
    <p>expires: ${authState.accessTokenExpiresAt ?? "unknown"}</p>
    <p>error: ${authState.lastError ?? ""}</p>
    <button type="button" data-popup-test-protected-api="button">测试受保护接口</button>
    <pre data-popup-protected-api-result="output"></pre>
  `;
  root.appendChild(panel);
}

export function setProtectedApiResult(root: HTMLElement, value: string): void {
  const output = root.querySelector(
    '[data-popup-protected-api-result="output"]'
  );

  if (!output) {
    return;
  }

  output.textContent = value;
}