// === WEATHER SYSTEM + PORTAL HEALTH ===
import * as THREE from 'three';
import { scene, ambientLight } from './scene-setup.js';
import { cloudMaterial } from './platform.js';
import { rebuildRuneRing } from './effects.js';
import { S } from './state.js';
import { fetchWeatherData } from './data/weather.js';

// === PORTAL HEALTH CHECKS ===
const PORTAL_HEALTH_CHECK_MS = 5 * 60 * 1000;

// Forward refs
let _portalsRef = [];
let _portalGroupRef = null;
let _rebuildGravityZonesFn = null;

export function setWeatherPortalRefs(portals, portalGroup, rebuildGravityZones) {
  _portalsRef = portals;
  _portalGroupRef = portalGroup;
  _rebuildGravityZonesFn = rebuildGravityZones;
}

export async function runPortalHealthChecks() {
  if (_portalsRef.length === 0) return;

  for (const portal of _portalsRef) {
    if (!portal.destination?.url) {
      portal.status = 'offline';
      continue;
    }
    try {
      await fetch(portal.destination.url, {
        mode: 'no-cors',
        signal: AbortSignal.timeout(5000),
      });
      portal.status = 'online';
    } catch {
      portal.status = 'offline';
    }
  }

  rebuildRuneRing();
  if (_rebuildGravityZonesFn) _rebuildGravityZonesFn();

  if (_portalGroupRef) {
    for (const child of _portalGroupRef.children) {
      const portalId = child.name.replace('portal-', '');
      const portalData = _portalsRef.find(p => p.id === portalId);
      if (portalData) {
        const isOnline = portalData.status === 'online';
        child.material.opacity = isOnline ? 0.7 : 0.15;
      }
    }
  }
}

export function initPortalHealthChecks() {
  setInterval(runPortalHealthChecks, PORTAL_HEALTH_CHECK_MS);
}

// === WEATHER SYSTEM ===
const WEATHER_LAT = 43.2897;
const WEATHER_LON = -72.1479;
const WEATHER_REFRESH_MS = 15 * 60 * 1000;

let weatherState = null;

export const PRECIP_COUNT = 1200;
export const PRECIP_AREA = 18;
export const PRECIP_HEIGHT = 20;
export const PRECIP_FLOOR = -5;

// Rain geometry
export const rainGeo = new THREE.BufferGeometry();
const rainPositions = new Float32Array(PRECIP_COUNT * 3);
export const rainVelocities = new Float32Array(PRECIP_COUNT);

for (let i = 0; i < PRECIP_COUNT; i++) {
  rainPositions[i * 3]     = (Math.random() - 0.5) * PRECIP_AREA * 2;
  rainPositions[i * 3 + 1] = Math.random() * (PRECIP_HEIGHT - PRECIP_FLOOR) + PRECIP_FLOOR;
  rainPositions[i * 3 + 2] = (Math.random() - 0.5) * PRECIP_AREA * 2;
  rainVelocities[i] = 0.18 + Math.random() * 0.12;
}
rainGeo.setAttribute('position', new THREE.BufferAttribute(rainPositions, 3));

const rainMat = new THREE.PointsMaterial({
  color: 0x88aaff, size: 0.05, sizeAttenuation: true,
  transparent: true, opacity: 0.55,
});

export const rainParticles = new THREE.Points(rainGeo, rainMat);
rainParticles.visible = false;
scene.add(rainParticles);

// Snow geometry
export const snowGeo = new THREE.BufferGeometry();
const snowPositions = new Float32Array(PRECIP_COUNT * 3);
export const snowDrift = new Float32Array(PRECIP_COUNT);

for (let i = 0; i < PRECIP_COUNT; i++) {
  snowPositions[i * 3]     = (Math.random() - 0.5) * PRECIP_AREA * 2;
  snowPositions[i * 3 + 1] = Math.random() * (PRECIP_HEIGHT - PRECIP_FLOOR) + PRECIP_FLOOR;
  snowPositions[i * 3 + 2] = (Math.random() - 0.5) * PRECIP_AREA * 2;
  snowDrift[i] = Math.random() * Math.PI * 2;
}
snowGeo.setAttribute('position', new THREE.BufferAttribute(snowPositions, 3));

const snowMat = new THREE.PointsMaterial({
  color: 0xddeeff, size: 0.12, sizeAttenuation: true,
  transparent: true, opacity: 0.75,
});

export const snowParticles = new THREE.Points(snowGeo, snowMat);
snowParticles.visible = false;
scene.add(snowParticles);

function weatherCodeToLabel(code) {
  if (code === 0)                   return { condition: 'Clear',         icon: '☀️' };
  if (code <= 2)                    return { condition: 'Partly Cloudy', icon: '⛅' };
  if (code === 3)                   return { condition: 'Overcast',      icon: '☁️' };
  if (code >= 45 && code <= 48)     return { condition: 'Fog',           icon: '🌫️' };
  if (code >= 51 && code <= 57)     return { condition: 'Drizzle',       icon: '🌦️' };
  if (code >= 61 && code <= 67)     return { condition: 'Rain',          icon: '🌧️' };
  if (code >= 71 && code <= 77)     return { condition: 'Snow',          icon: '❄️' };
  if (code >= 80 && code <= 82)     return { condition: 'Showers',       icon: '🌦️' };
  if (code >= 85 && code <= 86)     return { condition: 'Snow Showers',  icon: '🌨️' };
  if (code >= 95 && code <= 99)     return { condition: 'Thunderstorm',  icon: '⛈️' };
  return { condition: 'Unknown', icon: '🌀' };
}

function applyWeatherToScene(wx) {
  const code = wx.code;

  const isRain  = (code >= 51 && code <= 67) || (code >= 80 && code <= 82) || (code >= 95 && code <= 99);
  const isSnow  = (code >= 71 && code <= 77) || (code >= 85 && code <= 86);

  rainParticles.visible = isRain;
  snowParticles.visible = isSnow;

  if (isSnow) {
    ambientLight.color.setHex(0x1a2a40);
    ambientLight.intensity = 1.8;
  } else if (isRain) {
    ambientLight.color.setHex(0x0a1428);
    ambientLight.intensity = 1.2;
  } else if (code === 3 || (code >= 45 && code <= 48)) {
    ambientLight.color.setHex(0x0c1220);
    ambientLight.intensity = 1.1;
  } else {
    ambientLight.color.setHex(0x0a1428);
    ambientLight.intensity = 1.4;
  }
}

function updateWeatherHUD(wx) {
  const iconEl = document.getElementById('weather-icon');
  const tempEl = document.getElementById('weather-temp');
  const descEl = document.getElementById('weather-desc');
  if (iconEl) iconEl.textContent = wx.icon;
  if (tempEl) tempEl.textContent = `${Math.round(wx.temp)}°F`;
  if (descEl) descEl.textContent = wx.condition;
}

export async function fetchWeather() {
  try {
    const wx = await fetchWeatherData();
    weatherState = wx;
    applyWeatherToScene(wx);
    const cloudOpacity = 0.05 + (wx.cloudcover / 100) * 0.55;
    cloudMaterial.uniforms.uDensity.value = 0.3 + (wx.cloudcover / 100) * 0.7;
    cloudMaterial.opacity = cloudOpacity;
    updateWeatherHUD(wx);
  } catch {
    const descEl = document.getElementById('weather-desc');
    if (descEl) descEl.textContent = 'Lempster NH';
  }
}

export function initWeather() {
  fetchWeather();
  setInterval(fetchWeather, WEATHER_REFRESH_MS);
}