import type { MetadataRoute } from "next";

/**
 * Web app manifest — what makes Freezmo installable on iOS/Android
 * (iOS reads the apple-* meta tags in app/layout.tsx as well).
 */
const devInstance = process.env.NEXT_PUBLIC_FREEZMO_DEV === "1";

export default function manifest(): MetadataRoute.Manifest {
  if (devInstance) {
    return {
      // A distinct identity so the dev PWA installs next to the real one.
      id: "/dev",
      name: "Freezmo Dev — notes to study feed",
      short_name: "Freezmo Dev",
      description: "Development instance of Freezmo (hot reload). Not the production app.",
      start_url: "/",
      scope: "/",
      display: "standalone",
      display_override: ["standalone", "minimal-ui"],
      orientation: "portrait",
      background_color: "#1c1917",
      theme_color: "#b45309",
      categories: ["education", "productivity"],
      icons: [
        { src: "/icons/dev-icon.svg", sizes: "any", type: "image/svg+xml", purpose: "any" },
        { src: "/icons/icon-512.png", sizes: "512x512", type: "image/png", purpose: "any" },
      ],
      shortcuts: [
        { name: "New deck", short_name: "New", url: "/create" },
        { name: "Library", short_name: "Library", url: "/" },
      ],
    };
  }

  return {
    id: "/",
    name: "Freezmo — notes to study feed",
    short_name: "Freezmo",
    description:
      "Turn photos and documents of your notes into a swipeable feed of short interactive study activities, powered by your own Ollama models.",
    start_url: "/",
    scope: "/",
    display: "standalone",
    display_override: ["standalone", "minimal-ui"],
    orientation: "portrait",
    background_color: "#0e1424",
    theme_color: "#0e1424",
    categories: ["education", "productivity"],
    icons: [
      { src: "/icons/icon-192.png", sizes: "192x192", type: "image/png", purpose: "any" },
      { src: "/icons/icon-512.png", sizes: "512x512", type: "image/png", purpose: "any" },
      { src: "/icons/maskable-512.png", sizes: "512x512", type: "image/png", purpose: "maskable" },
      { src: "/icons/monochrome.svg", sizes: "any", type: "image/svg+xml", purpose: "monochrome" },
    ],
    shortcuts: [
      { name: "New deck", short_name: "New", url: "/create" },
      { name: "New homework", short_name: "Homework", url: "/homework" },
      { name: "Library", short_name: "Library", url: "/" },
    ],
    /* Share text and links from other apps (GET). Files are POSTed to the
       same route and handed over through a short-lived in-memory store. */
    share_target: {
      action: "/share-target",
      method: "POST",
      enctype: "multipart/form-data",
      params: {
        title: "title",
        text: "text",
        url: "url",
        files: [
          {
            name: "files",
            accept: [
              "image/*",
              "application/pdf",
              "text/*",
              "application/msword",
              "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
              "application/vnd.openxmlformats-officedocument.presentationml.presentation",
              "application/vnd.oasis.opendocument.text",
              "application/vnd.oasis.opendocument.presentation",
            ],
          },
        ],
      },
    },
  };
}