import { useCallback, useEffect, useState } from "react";
import { createPortal } from "react-dom";
import { Input } from "@/components/ui/input";
import { Button } from "@/components/ui/button";
import { updateParticleProperties } from "@/lib/firestore-particles";
import { particlePath, toFirestoreDocPath } from "@/lib/particle-path";
import type { Particle } from "@/api/types";
import { usePlaybackSuspenderStore } from "@/stores/playback-suspender-store";

interface RenameStreamOverlayProps {
  networkId: string;
  streamParticle: Particle & { type: "stream" };
  onClose: () => void;
}

export function RenameStreamOverlay({
  networkId,
  streamParticle,
  onClose,
}: RenameStreamOverlayProps) {
  // Suspend stream playback
  useEffect(() => {
    const { suspend, release } = usePlaybackSuspenderStore.getState();
    suspend();
    return release;
  }, []);

  const [name, setName] = useState(streamParticle.properties.name);
  const [saving, setSaving] = useState(false);

  const trimmed = name.trim();
  const canSave =
    !saving &&
    trimmed.length > 0 &&
    trimmed !== streamParticle.properties.name;

  const handleSave = useCallback(async () => {
    if (!canSave) return;
    setSaving(true);
    try {
      const docPath = toFirestoreDocPath(particlePath(networkId, [streamParticle.id]));
      await updateParticleProperties<"stream">(docPath, { name: trimmed });
      onClose();
    } finally {
      setSaving(false);
    }
  }, [canSave, networkId, onClose, streamParticle.id, trimmed]);

  useEffect(() => {
    const handler = (e: KeyboardEvent) => {
      if (e.key === "Escape") {
        e.preventDefault();
        e.stopPropagation();
        onClose();
      }
    };
    window.addEventListener("keydown", handler, { capture: true });
    return () => window.removeEventListener("keydown", handler, { capture: true });
  }, [onClose]);

  return createPortal(
    <div className="fixed inset-0 z-[100]">
      <div
        className="absolute inset-0 bg-black/60 backdrop-blur-sm"
        onClick={onClose}
      />
      <div className="absolute left-1/2 top-1/2 w-full max-w-sm -translate-x-1/2 -translate-y-1/2 rounded-2xl border border-white/10 bg-white/5 p-6 shadow-2xl backdrop-blur-xl">
        <div className="mb-4 flex items-center justify-between">
          <h2 className="text-sm font-semibold text-white/70">Rename stream</h2>
          <span className="text-xs text-white/30">
            <kbd className="rounded bg-white/10 px-1.5 py-0.5 font-mono text-xs">
              Esc
            </kbd>{" "}
            to close
          </span>
        </div>

        <Input
          type="text"
          autoFocus
          value={name}
          onChange={(e) => setName(e.target.value)}
          onFocus={(e) => e.currentTarget.select()}
          onKeyDown={(e) => {
            if (e.key === "Enter") {
              e.preventDefault();
              handleSave();
            }
          }}
          placeholder="Stream name"
          className="border-white/10 bg-white/5 text-white placeholder-white/30 focus-visible:border-white/30 focus-visible:ring-0"
        />

        <div className="mt-4 flex items-center justify-end gap-2">
          <Button variant="ghost" size="sm" onClick={onClose}>
            Cancel
          </Button>
          <Button size="sm" onClick={handleSave} disabled={!canSave}>
            Save
          </Button>
        </div>
      </div>
    </div>,
    document.body,
  );
}