import { BellIcon, ComposeFilledIcon, PlusIcon, SearchIcon } from "@lume/icons";
import { Event, Kind } from "@lume/types";
import { User } from "@/components/user";
import {
  cn,
  decodeZapInvoice,
  displayNpub,
  sendNativeNotification,
} from "@lume/utils";
import { Outlet, createFileRoute } from "@tanstack/react-router";
import { invoke } from "@tauri-apps/api/core";
import { getCurrent } from "@tauri-apps/api/window";
import { useEffect, useState } from "react";
import { toast } from "sonner";

export const Route = createFileRoute("/$account")({
  beforeLoad: async ({ context }) => {
    const ark = context.ark;
    const accounts = await ark.get_all_accounts();

    return { accounts };
  },
  component: Screen,
});

function Screen() {
  const { ark, platform } = Route.useRouteContext();
  const navigate = Route.useNavigate();

  return (
    <div className="flex h-screen w-screen flex-col">
      <div
        data-tauri-drag-region
        className={cn(
          "flex h-11 shrink-0 items-center justify-between pr-2",
          platform === "macos" ? "ml-2 pl-20" : "pl-4",
        )}
      >
        <div className="flex items-center gap-3">
          <Accounts />
          <button
            type="button"
            onClick={() => navigate({ to: "/landing" })}
            className="inline-flex size-8 items-center justify-center rounded-full bg-black/10 text-neutral-800 hover:bg-black/20 dark:bg-white/10 dark:text-neutral-200 dark:hover:bg-white/20"
          >
            <PlusIcon className="size-5" />
          </button>
        </div>
        <div className="flex items-center gap-2">
          <button
            type="button"
            onClick={() => ark.open_editor()}
            className="inline-flex h-8 w-max items-center justify-center gap-1 rounded-full bg-blue-500 px-3 text-sm font-medium text-white hover:bg-blue-600"
          >
            <ComposeFilledIcon className="size-4" />
            New Post
          </button>
          <Bell />
          <button
            type="button"
            onClick={() => ark.open_search()}
            className="inline-flex size-8 items-center justify-center rounded-full text-neutral-800 hover:bg-black/10 dark:text-neutral-200 dark:hover:bg-white/10"
          >
            <SearchIcon className="size-5" />
          </button>
          <div id="toolbar" />
        </div>
      </div>
      <div className="flex-1">
        <Outlet />
      </div>
    </div>
  );
}

function Accounts() {
  const navigate = Route.useNavigate();
  const { ark, accounts } = Route.useRouteContext();
  const { account } = Route.useParams();

  const changeAccount = async (npub: string) => {
    if (npub === account) {
      return await ark.open_profile(account);
    }

    // change current account and update signer
    const select = await ark.load_selected_account(npub);

    if (select) {
      return navigate({ to: "/$account/home", params: { account: npub } });
    } else {
      toast.warning("Something wrong.");
    }
  };

  return (
    <div data-tauri-drag-region className="flex items-center gap-3">
      {accounts.map((user) => (
        <button key={user} type="button" onClick={() => changeAccount(user)}>
          <User.Provider pubkey={user}>
            <User.Root
              className={cn(
                "rounded-full transition-all ease-in-out duration-150 will-change-auto",
                user === account
                  ? "ring-1 ring-teal-500 ring-offset-2 ring-offset-neutral-200 dark:ring-offset-neutral-950"
                  : "",
              )}
            >
              <User.Avatar
                className={cn(
                  "aspect-square h-auto rounded-full object-cover transition-all ease-in-out duration-150 will-change-auto",
                  user === account ? "w-7" : "w-8",
                )}
              />
            </User.Root>
          </User.Provider>
        </button>
      ))}
    </div>
  );
}

function Bell() {
  const { ark } = Route.useRouteContext();
  const { account } = Route.useParams();

  const [count, setCount] = useState(0);

  useEffect(() => {
    const unlisten = getCurrent().listen<string>(
      "activity",
      async (payload) => {
        setCount((prevCount) => prevCount + 1);
        await invoke("set_badge", { count });

        const event: Event = JSON.parse(payload.payload);
        const user = await ark.get_profile(event.pubkey);
        const userName =
          user.display_name || user.name || displayNpub(event.pubkey, 16);

        switch (event.kind) {
          case Kind.Text: {
            sendNativeNotification("Mentioned you in a note", userName);
            break;
          }
          case Kind.Repost: {
            sendNativeNotification("Reposted your note", userName);
            break;
          }
          case Kind.ZapReceipt: {
            const amount = decodeZapInvoice(event.tags);
            sendNativeNotification(
              `Zapped ₿ ${amount.bitcoinFormatted}`,
              userName,
            );
            break;
          }
          default:
            break;
        }
      },
    );

    return () => {
      unlisten.then((f) => f());
    };
  }, []);

  return (
    <button
      type="button"
      onClick={() => {
        setCount(0);
        ark.open_activity(account);
      }}
      className="relative inline-flex size-8 items-center justify-center rounded-full text-neutral-800 hover:bg-black/10 dark:text-neutral-200 dark:hover:bg-white/10"
    >
      <BellIcon className="size-5" />
      {count > 0 ? (
        <span className="absolute right-0 top-0 block size-2 rounded-full bg-teal-500 ring-1 ring-black/5" />
      ) : null}
    </button>
  );
}