"use client";

import { useState, useCallback } from "react";
import { motion, AnimatePresence } from "framer-motion";
import { Wind } from "lucide-react";
import { toggleFan, setFanPreset } from "@/lib/api";

interface Props {
  entityId: string;
  state: string;
  presetMode?: string;
  onUpdate: () => void;
}

const MODES = [
  { id: "Auto", label: "Авто", color: "#10b981" },
  { id: "Night", label: "Ночь", color: "#6366f1" },
  { id: "High", label: "Турбо", color: "#f59e0b" },
];

export default function AirPurifierCard({ entityId, state, presetMode, onUpdate }: Props) {
  const [localOn, setLocalOn] = useState(state === "on");
  const [currentMode, setCurrentMode] = useState(presetMode || "Auto");
  const [pending, setPending] = useState(false);

  const handleToggle = useCallback(async () => {
    if (pending) return;
    const newState = !localOn;
    setLocalOn(newState);
    setPending(true);
    try {
      await toggleFan(entityId, newState);
      onUpdate();
    } catch (e) {
      setLocalOn(!newState);
    }
    setPending(false);
  }, [entityId, localOn, pending, onUpdate]);

  const handleMode = useCallback(async (mode: string) => {
    setCurrentMode(mode);
    await setFanPreset(entityId, mode);
    onUpdate();
  }, [entityId, onUpdate]);

  const isOn = localOn;
  const activeMode = MODES.find((m) => m.id === currentMode) || MODES[0];
  const accentColor = isOn ? activeMode.color : "rgba(255,255,255,0.3)";

  return (
    <motion.div
      className="glass-card p-6 flex flex-col"
      style={{
        minHeight: "140px",
        ...(isOn ? {
          background: `${activeMode.color}08`,
          border: `1px solid ${activeMode.color}25`,
          boxShadow: `0 0 40px ${activeMode.color}10`,
        } : {})
      }}
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      transition={{ duration: 0.35, delay: 0.14 }}
    >
      {/* Top row */}
      <div className="flex items-center gap-4">
        <div className="w-16 h-16 rounded-2xl flex items-center justify-center flex-shrink-0"
          style={{
            background: isOn ? `${activeMode.color}20` : "rgba(255,255,255,0.06)",
            boxShadow: isOn ? `0 0 28px ${activeMode.color}40` : "none",
          }}>
          <motion.div animate={isOn ? { rotate: 360 } : { rotate: 0 }}
            transition={isOn ? { duration: 4, repeat: Infinity, ease: "linear" } : {}}>
            <Wind size={32} color={isOn ? activeMode.color : "rgba(255,255,255,0.3)"} strokeWidth={1.5} />
          </motion.div>
        </div>

        <div className="flex-1 min-w-0">
          <div className="text-xl font-bold" style={{ color: "var(--text-primary)" }}>Очиститель</div>
          <div className="text-sm mt-0.5 font-medium" style={{ color: isOn ? activeMode.color : "var(--text-secondary)" }}>
            {isOn ? activeMode.label : "Выключен"}
          </div>
        </div>

        {/* Toggle — native button */}
        <button
          onClick={handleToggle}
          style={{
            width: "60px", height: "32px", borderRadius: "16px",
            background: isOn ? activeMode.color : "rgba(255,255,255,0.12)",
            boxShadow: isOn ? `0 0 16px ${activeMode.color}60` : "none",
            border: "none", cursor: "pointer", position: "relative",
            transition: "background 0.2s ease, box-shadow 0.2s ease",
            flexShrink: 0,
            WebkitTapHighlightColor: "transparent",
          }}
        >
          <motion.div
            style={{
              width: "24px", height: "24px", borderRadius: "12px",
              background: "white", position: "absolute", top: "4px",
              boxShadow: "0 2px 6px rgba(0,0,0,0.3)",
            }}
            animate={{ left: isOn ? "32px" : "4px" }}
            transition={{ type: "spring", stiffness: 500, damping: 30 }}
          />
        </button>
      </div>

      {/* Mode buttons */}
      <div className="flex gap-3 mt-4">
        {MODES.map((mode) => {
          const isActive = currentMode === mode.id && isOn;
          return (
            <button
              key={mode.id}
              onClick={() => isOn && handleMode(mode.id)}
              className="flex-1 py-2.5 rounded-2xl text-sm font-semibold"
              style={isActive ? {
                background: `${mode.color}22`,
                border: `1.5px solid ${mode.color}60`,
                color: mode.color,
                boxShadow: `0 0 14px ${mode.color}30`,
                cursor: "pointer",
                WebkitTapHighlightColor: "transparent",
              } : {
                background: "rgba(255,255,255,0.05)",
                border: "1px solid rgba(255,255,255,0.08)",
                color: isOn ? "var(--text-secondary)" : "rgba(255,255,255,0.15)",
                cursor: isOn ? "pointer" : "default",
                WebkitTapHighlightColor: "transparent",
              }}
            >
              {mode.label}
            </button>
          );
        })}
      </div>
    </motion.div>
  );
}