import { Capacitor } from "@capacitor/core";
import { Share } from "@capacitor/share";
import { trackEvent } from "../../infra/analytics";

export type RecipeShareDeps = Readonly<{
  title: string;
  body: string;
  url: string;
  variantIdForTrack: string;
  strings: { shareCopied: string; shareCopyFailed: string };
  setShareFeedback: (msg: string | null) => void;
  clearShareFeedbackTimer: () => void;
  flashShareFeedback: (message: string) => void;
}>;

/**
 * Partage recette : Share natif (Capacitor / Web Share API) avec repli presse-papiers.
 * Effets de bord analytics conservés ici pour garder l’UI découplée du détail des plateformes.
 */
export async function shareRecipeWithFallback(deps: RecipeShareDeps): Promise<void> {
  const trackShareSuccess = () => {
    trackEvent("recipe", "share", deps.variantIdForTrack);
  };

  if (Capacitor.isNativePlatform()) {
    try {
      await Share.share({
        title: deps.title,
        text: deps.body,
        url: deps.url || undefined,
        dialogTitle: deps.title
      });
      deps.clearShareFeedbackTimer();
      deps.setShareFeedback(null);
      trackShareSuccess();
      return;
    } catch (error: unknown) {
      if (error instanceof DOMException && error.name === "AbortError") return;
      const msg =
        error instanceof Error
          ? error.message
          : typeof error === "string"
            ? error
            : "";
      if (/cancel/i.test(msg) || msg.toLowerCase().includes("user did not share")) return;
    }
  }

  const shareWithNative = async () => {
    const basePayload: ShareData = { title: deps.title, text: deps.body };
    if (deps.url) {
      const withUrl: ShareData = { ...basePayload, url: deps.url };
      if (typeof navigator.canShare !== "function" || navigator.canShare(withUrl)) {
        await navigator.share(withUrl);
        return;
      }
    }
    await navigator.share(basePayload);
  };

  if (typeof navigator.share === "function") {
    try {
      await shareWithNative();
      deps.clearShareFeedbackTimer();
      deps.setShareFeedback(null);
      trackShareSuccess();
      return;
    } catch (error: unknown) {
      const name =
        error instanceof Error || error instanceof DOMException
          ? error.name
          : typeof error === "object" &&
              error !== null &&
              "name" in error &&
              typeof (error as { name: unknown }).name === "string"
            ? (error as { name: string }).name
            : "";
      if (name === "AbortError") return;
    }
  }

  try {
    if (navigator.clipboard?.writeText) {
      await navigator.clipboard.writeText(deps.body);
      deps.flashShareFeedback(deps.strings.shareCopied);
      trackShareSuccess();
    } else {
      deps.flashShareFeedback(deps.strings.shareCopyFailed);
    }
  } catch {
    deps.flashShareFeedback(deps.strings.shareCopyFailed);
  }
}