interface WeatherData {
  stationName: string
  location: { lat: number; lon: number }
  currentTime: string
  wind: {
    speed: number
    direction: number
    speed_1k: number
    speed_3k: number
  }
  wave: {
    height: number
    period: number
  }
  temperature: {
    current: number
    feelsLike: number
  }
  pressure: number
  visibility: number
  forecast: WeatherForecast[]
}

interface WeatherForecast {
  time: string
  hour: string
  icon: string
  temperature: number
  windSpeed: number
}

interface WeatherRightPanelProps {
  weatherData: WeatherData | null
}

/** 풍속 등급 색상 */
function windColor(speed: number): string {
  if (speed >= 14) return '#ef4444'
  if (speed >= 10) return '#f97316'
  if (speed >= 6) return '#eab308'
  return '#22c55e'
}

/** 파고 등급 색상 */
function waveColor(height: number): string {
  if (height >= 3) return '#ef4444'
  if (height >= 2) return '#f97316'
  if (height >= 1) return '#eab308'
  return '#22c55e'
}

/** 풍향 텍스트 */
function windDirText(deg: number): string {
  const dirs = ['N', 'NNE', 'NE', 'ENE', 'E', 'ESE', 'SE', 'SSE', 'S', 'SSW', 'SW', 'WSW', 'W', 'WNW', 'NW', 'NNW']
  return dirs[Math.round(deg / 22.5) % 16]
}

export function WeatherRightPanel({ weatherData }: WeatherRightPanelProps) {
  if (!weatherData) {
    return (
      <div className="flex flex-col bg-bg-1 border-l border-border overflow-hidden w-[320px] shrink-0">
        <div className="p-6 text-center">
          <p className="text-text-3 text-xs font-korean">지도에서 해양 지점을 클릭하세요</p>
        </div>
      </div>
    )
  }

  const sunriseTime = '07:12'
  const sunsetTime = '17:58'
  const moonrise = '19:35'
  const moonset = '01:50'
  const windDir = windDirText(weatherData.wind.direction)
  const wSpd = Number(weatherData.wind.speed)
  const wHgt = Number(weatherData.wave.height)
  const wTemp = Number(weatherData.temperature.current)

  return (
    <div className="flex flex-col bg-bg-1 border-l border-border overflow-hidden w-[320px] shrink-0">
      {/* 헤더 */}
      <div className="px-4 py-3 border-b border-border bg-bg-2">
        <div className="flex items-center gap-2 mb-1">
          <span className="text-xs font-bold text-primary-cyan font-korean">📍 {weatherData.stationName}</span>
          <span className="px-1.5 py-px text-[10px] rounded bg-primary-cyan/15 text-primary-cyan font-bold">기상예보관</span>
        </div>
        <p className="text-[10px] text-text-3 font-mono">
          {weatherData.location.lat.toFixed(2)}°N, {weatherData.location.lon.toFixed(2)}°E · {weatherData.currentTime}
        </p>
      </div>

      {/* 스크롤 콘텐츠 */}
      <div className="flex-1 overflow-auto" style={{ scrollbarWidth: 'thin', scrollbarColor: 'var(--bdL) transparent' }}>

        {/* ── 핵심 지표 3칸 카드 ── */}
        <div className="grid grid-cols-3 gap-1 px-3 py-2.5">
          <div className="text-center py-2.5 bg-bg-0 border border-border rounded-md">
            <div className="text-[22px] font-bold font-mono" style={{ color: windColor(wSpd) }}>{wSpd.toFixed(1)}</div>
            <div className="text-[10px] text-text-3 font-korean">풍속 (m/s)</div>
          </div>
          <div className="text-center py-2.5 bg-bg-0 border border-border rounded-md">
            <div className="text-[22px] font-bold font-mono" style={{ color: waveColor(wHgt) }}>{wHgt.toFixed(1)}</div>
            <div className="text-[10px] text-text-3 font-korean">파고 (m)</div>
          </div>
          <div className="text-center py-2.5 bg-bg-0 border border-border rounded-md">
            <div className="text-[22px] font-bold font-mono text-primary-cyan">{wTemp.toFixed(1)}</div>
            <div className="text-[10px] text-text-3 font-korean">수온 (°C)</div>
          </div>
        </div>

        {/* ── 바람 상세 ── */}
        <div className="px-3 py-2 border-b border-border">
          <div className="text-[10px] font-bold text-text-3 font-korean mb-2">🌬️ 바람 현황</div>
          <div className="flex items-center gap-3 mb-2">
            {/* 풍향 컴파스 */}
            <div className="relative w-[50px] h-[50px] shrink-0">
              <svg viewBox="0 0 50 50" className="w-full h-full">
                <circle cx="25" cy="25" r="22" fill="none" stroke="var(--bd)" strokeWidth="1" />
                <circle cx="25" cy="25" r="16" fill="none" stroke="var(--bd)" strokeWidth="0.5" strokeDasharray="2 2" />
                {['N', 'E', 'S', 'W'].map((d, i) => {
                  const angle = i * 90
                  const rad = (angle - 90) * Math.PI / 180
                  const x = 25 + 20 * Math.cos(rad)
                  const y = 25 + 20 * Math.sin(rad)
                  return <text key={d} x={x} y={y} textAnchor="middle" dominantBaseline="central" fill="var(--t3)" fontSize="6" fontWeight="bold">{d}</text>
                })}
                {/* 풍향 화살표 */}
                <line
                  x1="25" y1="25"
                  x2={25 + 14 * Math.sin(weatherData.wind.direction * Math.PI / 180)}
                  y2={25 - 14 * Math.cos(weatherData.wind.direction * Math.PI / 180)}
                  stroke={windColor(wSpd)} strokeWidth="2" strokeLinecap="round"
                />
                <circle cx="25" cy="25" r="3" fill={windColor(wSpd)} />
              </svg>
            </div>
            <div className="flex-1 grid grid-cols-2 gap-x-3 gap-y-1 text-[10px]">
              <div className="flex justify-between"><span className="text-text-3">풍향</span><span className="text-text-1 font-mono font-bold">{windDir} {weatherData.wind.direction}°</span></div>
              <div className="flex justify-between"><span className="text-text-3">기압</span><span className="text-text-1 font-mono">{weatherData.pressure} hPa</span></div>
              <div className="flex justify-between"><span className="text-text-3">1k 최고</span><span className="font-mono" style={{ color: windColor(weatherData.wind.speed_1k) }}>{Number(weatherData.wind.speed_1k).toFixed(1)}</span></div>
              <div className="flex justify-between"><span className="text-text-3">3k 평균</span><span className="font-mono" style={{ color: windColor(weatherData.wind.speed_3k) }}>{Number(weatherData.wind.speed_3k).toFixed(1)}</span></div>
              <div className="col-span-2 flex justify-between"><span className="text-text-3">가시거리</span><span className="text-text-1 font-mono">{weatherData.visibility} km</span></div>
            </div>
          </div>
          {/* 풍속 게이지 바 */}
          <div className="flex items-center gap-2">
            <div className="flex-1 h-[5px] bg-bg-3 rounded-full overflow-hidden">
              <div className="h-full rounded-full transition-all" style={{ width: `${Math.min(wSpd / 20 * 100, 100)}%`, background: windColor(wSpd) }} />
            </div>
            <span className="text-[10px] font-mono text-text-3 shrink-0">{wSpd.toFixed(1)}/20</span>
          </div>
        </div>

        {/* ── 파도 상세 ── */}
        <div className="px-3 py-2 border-b border-border">
          <div className="text-[10px] font-bold text-text-3 font-korean mb-2">🌊 파도</div>
          <div className="grid grid-cols-4 gap-1 text-[10px]">
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono" style={{ color: waveColor(wHgt) }}>{wHgt.toFixed(1)}m</div>
              <div className="text-[10px] text-text-3">유의파고</div>
            </div>
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono text-status-red">{(wHgt * 1.6).toFixed(1)}m</div>
              <div className="text-[10px] text-text-3">최고파고</div>
            </div>
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono text-primary-cyan">{weatherData.wave.period}s</div>
              <div className="text-[10px] text-text-3">주기</div>
            </div>
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono text-text-1">NW</div>
              <div className="text-[10px] text-text-3">파향</div>
            </div>
          </div>
          {/* 파고 게이지 바 */}
          <div className="flex items-center gap-2 mt-1.5">
            <div className="flex-1 h-[5px] bg-bg-3 rounded-full overflow-hidden">
              <div className="h-full rounded-full transition-all" style={{ width: `${Math.min(wHgt / 5 * 100, 100)}%`, background: waveColor(wHgt) }} />
            </div>
            <span className="text-[10px] font-mono text-text-3 shrink-0">{wHgt.toFixed(1)}/5m</span>
          </div>
        </div>

        {/* ── 수온/공기 ── */}
        <div className="px-3 py-2 border-b border-border">
          <div className="text-[10px] font-bold text-text-3 font-korean mb-2">🌡️ 수온 · 공기</div>
          <div className="grid grid-cols-3 gap-1 text-[10px]">
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono text-primary-cyan">{wTemp.toFixed(1)}°</div>
              <div className="text-[10px] text-text-3">수온</div>
            </div>
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono text-text-1">2.1°</div>
              <div className="text-[10px] text-text-3">기온</div>
            </div>
            <div className="text-center py-1.5 bg-bg-0 border border-border rounded">
              <div className="font-bold font-mono text-text-1">31.2</div>
              <div className="text-[10px] text-text-3">염분(PSU)</div>
            </div>
          </div>
        </div>

        {/* ── 시간별 예보 ── */}
        <div className="px-3 py-2 border-b border-border">
          <div className="text-[10px] font-bold text-text-3 font-korean mb-2">⏰ 시간별 예보</div>
          <div className="grid grid-cols-5 gap-1">
            {weatherData.forecast.map((f, i) => (
              <div key={i} className="flex flex-col items-center py-1.5 px-1 bg-bg-0 border border-border rounded">
                <span className="text-[10px] text-text-3 mb-0.5">{f.hour}</span>
                <span className="text-base mb-0.5">{f.icon}</span>
                <span className="text-[10px] font-bold text-text-1">{f.temperature}°</span>
                <span className="text-[10px] text-text-3 font-mono">{f.windSpeed}</span>
              </div>
            ))}
          </div>
        </div>

        {/* ── 천문/조석 ── */}
        <div className="px-3 py-2 border-b border-border">
          <div className="text-[10px] font-bold text-text-3 font-korean mb-2">☀️ 천문 · 조석</div>
          <div className="grid grid-cols-4 gap-1 text-[10px]">
            {[
              { icon: '🌅', label: '일출', value: sunriseTime },
              { icon: '🌄', label: '일몰', value: sunsetTime },
              { icon: '🌙', label: '월출', value: moonrise },
              { icon: '🌜', label: '월몰', value: moonset },
            ].map((item, i) => (
              <div key={i} className="text-center py-1.5 bg-bg-0 border border-border rounded">
                <div className="text-sm mb-0.5">{item.icon}</div>
                <div className="text-[10px] text-text-3">{item.label}</div>
                <div className="font-bold font-mono text-text-1">{item.value}</div>
              </div>
            ))}
          </div>
          <div className="flex items-center gap-2 mt-1.5 px-2 py-1 bg-bg-0 border border-border rounded text-[10px]">
            <span className="text-sm">🌓</span>
            <span className="text-text-3">상현달 14일</span>
            <span className="ml-auto text-text-1 font-mono">조차 6.7m</span>
          </div>
        </div>

        {/* ── 날씨 특보 ── */}
        <div className="px-3 py-2">
          <div className="text-[10px] font-bold text-text-3 font-korean mb-2">🚨 날씨 특보</div>
          <div className="px-2.5 py-2 rounded border" style={{ background: 'rgba(239,68,68,.06)', borderColor: 'rgba(239,68,68,.2)' }}>
            <div className="flex items-center gap-2 text-[10px]">
              <span className="px-1.5 py-px rounded text-[10px] font-bold" style={{ background: 'rgba(239,68,68,.15)', color: 'var(--red)' }}>주의</span>
              <span className="text-text-1 font-korean">풍랑주의보 예상 08:00~</span>
            </div>
          </div>
        </div>

      </div>
    </div>
  )
}