'use client'

import { useState, useEffect } from 'react'
import { Droplets, Wind, Thermometer, X, CloudRain, Snowflake, CloudLightning, Cloud, Sun, CloudSun } 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
  haConnected?: boolean
}

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

function getWindDesc(ms: number): string {
  if (ms <= 1) return 'Штиль'
  if (ms <= 3) return 'Тихий'
  if (ms <= 5) return 'Лёгкий'
  if (ms <= 8) return 'Умеренный'
  if (ms <= 11) return 'Свежий'
  if (ms <= 14) return 'Сильный'
  return 'Шторм'
}

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

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

  const windMs = weather ? parseInt(weather.windSpeed) || 0 : 0

  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 }}>
          {/* HA status */}
          <div title={haConnected ? 'Home Assistant подключён' : 'Home Assistant недоступен'} style={{
            width: 10, height: 10, borderRadius: '50%',
            background: haConnected ? '#34d399' : '#f87171',
            boxShadow: haConnected ? '0 0 8px rgba(52,211,153,0.5)' : '0 0 8px rgba(248,113,113,0.5)',
            transition: 'all 0.5s ease',
            flexShrink: 0,
          }} />

          {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 && (
            <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(0,0,0,0.65)', backdropFilter: 'blur(12px)',
            zIndex: 100, display: 'flex', alignItems: 'center', justifyContent: 'center',
          }}
        >
          <div
            onClick={e => e.stopPropagation()}
            style={{
              background: 'rgba(16,16,30,0.97)', backdropFilter: 'blur(40px)',
              border: '1px solid rgba(255,255,255,0.07)', borderRadius: 28,
              width: 480, maxWidth: '95vw', overflow: 'hidden',
              boxShadow: '0 30px 90px rgba(0,0,0,0.6)',
            }}
          >
            {/* Hero section */}
            <div style={{
              background: 'linear-gradient(135deg, rgba(59,130,246,0.12), rgba(99,102,241,0.06))',
              borderBottom: '1px solid rgba(59,130,246,0.1)',
              padding: '32px 36px 28px',
              position: 'relative', overflow: 'hidden',
            }}>
              {/* Background emoji */}
              <div style={{ position: 'absolute', top: -10, right: 10, fontSize: 100, opacity: 0.08, pointerEvents: 'none' }}>
                {getWeatherIcon(weather.desc)}
              </div>

              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start', position: 'relative', zIndex: 1 }}>
                <div style={{ display: 'flex', alignItems: 'center', gap: 20 }}>
                  <span style={{ fontSize: 56 }}>{getWeatherIcon(weather.desc)}</span>
                  <div>
                    <div style={{ fontSize: 48, fontWeight: 800, lineHeight: 1, letterSpacing: '-3px', color: 'var(--text-primary)' }}>
                      {weather.temp}°
                    </div>
                    <div style={{ fontSize: 16, color: 'var(--text-secondary)', marginTop: 6, fontWeight: 500 }}>
                      {weather.desc}
                    </div>
                  </div>
                </div>
                <button onClick={() => setShowModal(false)} style={{
                  color: 'var(--text-secondary)', padding: 8, borderRadius: 12,
                  background: 'rgba(255,255,255,0.05)',
                }}>
                  <X size={18} />
                </button>
              </div>
            </div>

            {/* Details */}
            <div style={{ padding: '24px 36px 32px' }}>

              {/* Stats grid */}
              <div style={{ display: 'grid', gridTemplateColumns: 'repeat(3, 1fr)', gap: 10, marginBottom: 28 }}>
                {[
                  {
                    icon: <Thermometer size={18} color="#fb923c" />,
                    bg: 'rgba(251,146,60,0.1)',
                    label: 'Ощущается',
                    value: `${weather.feelsLike}°`,
                  },
                  {
                    icon: <Droplets size={18} color="#3b82f6" />,
                    bg: 'rgba(59,130,246,0.1)',
                    label: 'Влажность',
                    value: `${weather.humidity}%`,
                  },
                  {
                    icon: <Wind size={18} color="#22d3ee" />,
                    bg: 'rgba(34,211,238,0.1)',
                    label: getWindDesc(windMs),
                    value: `${weather.windSpeed} м/с`,
                  },
                ].map(item => (
                  <div key={item.label} style={{
                    padding: '18px 14px', borderRadius: 18,
                    background: 'rgba(255,255,255,0.03)',
                    border: '1px solid rgba(255,255,255,0.05)',
                    display: 'flex', flexDirection: 'column', alignItems: 'center', gap: 10,
                  }}>
                    <div style={{
                      width: 40, height: 40, borderRadius: 12,
                      background: item.bg,
                      display: 'flex', alignItems: 'center', justifyContent: 'center',
                    }}>
                      {item.icon}
                    </div>
                    <div style={{ fontSize: 20, fontWeight: 700, color: 'var(--text-primary)' }}>{item.value}</div>
                    <div style={{ fontSize: 11, color: 'var(--text-secondary)', fontWeight: 500 }}>{item.label}</div>
                  </div>
                ))}
              </div>

              {/* Forecast */}
              {weather.forecast && weather.forecast.length > 0 && (
                <>
                  <div style={{
                    fontSize: 11, color: 'var(--text-secondary)', textTransform: 'uppercase',
                    letterSpacing: '0.1em', fontWeight: 600, marginBottom: 14,
                  }}>
                    Прогноз на неделю
                  </div>
                  <div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
                    {weather.forecast.map(day => {
                      const d = new Date(day.date)
                      const isToday = d.toDateString() === new Date().toDateString()
                      const weekday = d.toLocaleDateString('ru-RU', { weekday: 'long' })
                      const dateStr = d.toLocaleDateString('ru-RU', { day: 'numeric', month: 'short' })
                      return (
                        <div key={day.date} style={{
                          display: 'flex', alignItems: 'center', gap: 14,
                          padding: '14px 18px', borderRadius: 16,
                          background: isToday
                            ? 'linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.05))'
                            : 'rgba(255,255,255,0.025)',
                          border: isToday
                            ? '1px solid rgba(129,140,248,0.15)'
                            : '1px solid rgba(255,255,255,0.04)',
                        }}>
                          {/* Icon */}
                          <span style={{ fontSize: 28, flexShrink: 0 }}>{getWeatherIcon(day.desc)}</span>

                          {/* Day info */}
                          <div style={{ flex: 1, minWidth: 0 }}>
                            <div style={{
                              fontSize: 14, fontWeight: 600, color: 'var(--text-primary)',
                              textTransform: 'capitalize',
                            }}>
                              {isToday ? 'Сегодня' : weekday}
                            </div>
                            <div style={{ fontSize: 12, color: 'var(--text-secondary)', marginTop: 2 }}>
                              {dateStr} · {day.desc}
                            </div>
                          </div>

                          {/* Temps */}
                          <div style={{ textAlign: 'right', flexShrink: 0 }}>
                            <span style={{ fontSize: 18, fontWeight: 700, color: 'var(--text-primary)' }}>
                              {day.maxTemp}°
                            </span>
                            <span style={{ fontSize: 14, color: 'var(--text-secondary)', fontWeight: 400, marginLeft: 4 }}>
                              {day.minTemp}°
                            </span>
                          </div>
                        </div>
                      )
                    })}
                  </div>
                </>
              )}
            </div>
          </div>
        </div>
      )}
    </>
  )
}