'use client'

import { useState, useEffect } from 'react'
import { Droplets, Wind, Thermometer, X } from 'lucide-react'

interface WeatherData {
  temp: string
  desc: string
  humidity: string
  windSpeed: string
  feelsLike: string
  forecast?: { date: string; maxTemp: string; minTemp: string; desc: string }[]
}

interface SensorData {
  temperature: number
  humidity: number
  pm25: number
}

interface TopBarProps {
  weather: WeatherData | null
  sensors: SensorData | null
}

function getWeatherIcon(desc: string): string {
  const d = desc?.toLowerCase() || ''
  if (d.includes('ясно') || d.includes('солнеч')) return '☀️'
  if (d.includes('облач')) return '⛅'
  if (d.includes('пасмурн')) return '☁️'
  if (d.includes('дождь') || d.includes('морос')) return '🌧️'
  if (d.includes('снег')) return '❄️'
  if (d.includes('гроз')) return '⛈️'
  return '🌤️'
}

function formatTime(date: Date): string {
  return date.toLocaleTimeString('ru-RU', { hour: '2-digit', minute: '2-digit' })
}

function formatDate(date: Date): string {
  const weekday = date.toLocaleDateString('ru-RU', { weekday: 'long' })
  const day = date.getDate()
  const month = date.toLocaleDateString('ru-RU', { month: 'long' })
  return `${weekday}, ${day} ${month}`
}

export default function TopBar({ weather, sensors }: TopBarProps) {
  const [time, setTime] = useState(() => new Date())
  const [showModal, setShowModal] = useState(false)

  useEffect(() => {
    const t = setInterval(() => setTime(new Date()), 1000)
    return () => clearInterval(t)
  }, [])

  return (
    <>
      <header
        style={{
          height: 72,
          display: 'flex',
          alignItems: 'center',
          justifyContent: 'space-between',
          padding: '0 24px',
          borderBottom: '1px solid rgba(255,255,255,0.04)',
          background: 'transparent',
          flexShrink: 0,
          position: 'relative',
          zIndex: 5,
        }}
      >
        {/* Left: time + date */}
        <div style={{ display: 'flex', alignItems: 'baseline', gap: 12 }}>
          <span style={{
            fontSize: 28,
            fontWeight: 700,
            color: 'var(--text-primary)',
            letterSpacing: '-1px',
            fontVariantNumeric: 'tabular-nums',
          }}>
            {formatTime(time)}
          </span>
          <span style={{
            fontSize: 14,
            color: 'var(--text-secondary)',
            fontWeight: 400,
            textTransform: 'capitalize',
          }}>
            {formatDate(time)}
          </span>
        </div>

        {/* Right: sensors + weather */}
        <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
          {/* Room sensors */}
          {sensors && (
            <div style={{
              display: 'flex',
              alignItems: 'center',
              gap: 4,
              padding: '8px 14px',
              borderRadius: 14,
              background: 'rgba(255,255,255,0.03)',
              border: '1px solid rgba(255,255,255,0.05)',
            }}>
              <Thermometer size={14} color="rgba(255,255,255,0.35)" />
              <span style={{ fontSize: 13, fontWeight: 600, color: 'var(--text-primary)', marginRight: 8 }}>
                {sensors.temperature}°
              </span>
              <Droplets size={14} color="rgba(255,255,255,0.35)" />
              <span style={{ fontSize: 13, fontWeight: 600, color: 'var(--text-primary)', marginRight: 8 }}>
                {sensors.humidity}%
              </span>
              <Wind size={14} color="rgba(255,255,255,0.35)" />
              <span style={{ fontSize: 13, color: 'var(--text-secondary)' }}>
                {sensors.pm25}
              </span>
            </div>
          )}

          {/* Weather widget */}
          {weather && (
            <button
              onClick={() => setShowModal(true)}
              style={{
                display: 'flex',
                alignItems: 'center',
                gap: 8,
                padding: '8px 16px',
                borderRadius: 14,
                background: 'linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08))',
                border: '1px solid rgba(129,140,248,0.15)',
                color: 'var(--text-primary)',
                transition: 'all 0.25s ease',
              }}
            >
              <span style={{ fontSize: 20 }}>{getWeatherIcon(weather.desc)}</span>
              <span style={{ fontSize: 15, fontWeight: 700 }}>{weather.temp}°</span>
              <span style={{ fontSize: 12, color: 'var(--text-secondary)', fontWeight: 500 }}>{weather.desc}</span>
            </button>
          )}
        </div>
      </header>

      {/* Weather Modal */}
      {showModal && weather && (
        <div
          onClick={() => setShowModal(false)}
          style={{
            position: 'fixed',
            inset: 0,
            background: 'rgba(0,0,0,0.7)',
            backdropFilter: 'blur(12px)',
            zIndex: 100,
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
          }}
        >
          <div
            onClick={e => e.stopPropagation()}
            style={{
              background: 'rgba(18, 18, 35, 0.95)',
              backdropFilter: 'blur(40px)',
              border: '1px solid rgba(255,255,255,0.08)',
              borderRadius: 24,
              padding: 32,
              minWidth: 360,
              maxWidth: 420,
              boxShadow: '0 25px 60px rgba(0,0,0,0.5)',
            }}
          >
            <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start', marginBottom: 24 }}>
              <div style={{ display: 'flex', alignItems: 'center', gap: 16 }}>
                <span style={{ fontSize: 48 }}>{getWeatherIcon(weather.desc)}</span>
                <div>
                  <div style={{ fontSize: 40, fontWeight: 800, lineHeight: 1, letterSpacing: '-2px' }}>{weather.temp}°</div>
                  <div style={{ fontSize: 15, color: 'var(--text-secondary)', marginTop: 4, fontWeight: 500 }}>{weather.desc}</div>
                </div>
              </div>
              <button onClick={() => setShowModal(false)} style={{ color: 'var(--text-secondary)', padding: 4 }}>
                <X size={20} />
              </button>
            </div>

            <div style={{
              display: 'grid',
              gridTemplateColumns: 'repeat(3, 1fr)',
              gap: 10,
              marginBottom: 24,
            }}>
              {[
                { icon: <Droplets size={16} />, label: 'Влажность', value: `${weather.humidity}%` },
                { icon: <Wind size={16} />, label: 'Ветер', value: `${weather.windSpeed} км/ч` },
                { icon: <Thermometer size={16} />, label: 'Ощущается', value: `${weather.feelsLike}°` },
              ].map(item => (
                <div key={item.label} style={{
                  padding: '14px 12px',
                  borderRadius: 16,
                  background: 'rgba(255,255,255,0.04)',
                  border: '1px solid rgba(255,255,255,0.06)',
                  textAlign: 'center',
                }}>
                  <div style={{ color: 'var(--text-secondary)', marginBottom: 8, display: 'flex', justifyContent: 'center' }}>{item.icon}</div>
                  <div style={{ fontSize: 16, fontWeight: 700, color: 'var(--text-primary)' }}>{item.value}</div>
                  <div style={{ fontSize: 11, color: 'var(--text-secondary)', marginTop: 4 }}>{item.label}</div>
                </div>
              ))}
            </div>

            {weather.forecast && weather.forecast.length > 0 && (
              <>
                <div style={{ fontSize: 11, color: 'var(--text-secondary)', textTransform: 'uppercase', letterSpacing: '0.1em', fontWeight: 600, marginBottom: 14 }}>
                  Прогноз
                </div>
                <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
                  {weather.forecast.map(day => {
                    const d = new Date(day.date)
                    const label = d.toLocaleDateString('ru-RU', { weekday: 'short', day: 'numeric', month: 'short' })
                    return (
                      <div key={day.date} style={{
                        display: 'flex',
                        alignItems: 'center',
                        justifyContent: 'space-between',
                        padding: '10px 14px',
                        borderRadius: 12,
                        background: 'rgba(255,255,255,0.03)',
                      }}>
                        <span style={{ fontSize: 13, color: 'var(--text-secondary)', minWidth: 100, textTransform: 'capitalize' }}>{label}</span>
                        <span style={{ fontSize: 18 }}>{getWeatherIcon(day.desc)}</span>
                        <span style={{ fontSize: 12, color: 'var(--text-secondary)', minWidth: 80, textAlign: 'center' }}>{day.desc}</span>
                        <span style={{ fontSize: 14, fontWeight: 600, color: 'var(--text-primary)' }}>
                          {day.maxTemp}° <span style={{ color: 'var(--text-secondary)', fontWeight: 400 }}>/ {day.minTemp}°</span>
                        </span>
                      </div>
                    )
                  })}
                </div>
              </>
            )}
          </div>
        </div>
      )}
    </>
  )
}