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<script lang="ts">
import PredictedSpaceWeatherThing from './PredictedSpaceWeatherThing.svelte';
import { onMount } from 'svelte';
const monthNames = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
];
let longitude;
let latitude;
let locationSupported = false;
let dataLoading = true;
let predictions;
async function getWeather(longitude, latitude) {
let yr_data;
if (locationSupported) {
yr_data = await fetch(`https://api.met.no/weatherapi/locationforecast/2.0/compact?lat=${latitude}&lon=${longitude}`).then(res => res.json());
}
let kp_data = await fetch("https://services.swpc.noaa.gov/products/noaa-planetary-k-index-forecast.json").then(res => res.json());
kp_data.shift();
let updatedPredictions = [];
kp_data.forEach((pred, i) => {
if (pred[2] != "observed") {
let temp;
let clouds;
let cDate = new Date(pred[0]);
let closestDate = new Date(0,0,0);
if (locationSupported) {
yr_data["properties"]["timeseries"].forEach((pred, i) => {
let predDate = new Date(pred["time"]);
if (Math.abs(predDate.getTime() - cDate.getTime()) < Math.abs(closestDate.getTime() - cDate.getTime())) {
closestDate = predDate;
temp = (pred["data"]["instant"]["details"]["air_temperature"]);
clouds = pred["data"]["instant"]["details"]["cloud_area_fraction"];
}
});
}
updatedPredictions.push({
"time": pred[0],
"kp": pred[1],
"temp": temp,
"clouds": clouds,
"hasNOMETData": locationSupported
});
}
});
predictions = updatedPredictions;
}
function getLocation() {
if (navigator.geolocation) {
dataLoading = true
locationSupported = true
navigator.geolocation.getCurrentPosition(setLocation, locationError)
} else {
locationSupported = false
noLocation()
}
}
function setLocation(position) {
longitude = position.coords.longitude
latitude = position.coords.latitude
getWeather(longitude, latitude)
}
function locationError(err) {
noLocation()
}
function noLocation() {
longitude = 28.283333
latitude = -15.416667
getWeather(0, 0);
toggleLoading()
}
function toggleLoading() {
dataLoading = !dataLoading
}
onMount(getLocation);
</script>
<style>
.predicted-weather {
border-top-left-radius: 2rem;
border-top-right-radius: 2rem;
--bg-opacity: 1;
background-color: #f7fafc;
background-color: rgba(247, 250, 252, var(--bg-opacity));
padding: 1.5rem;
--text-opacity: 1;
color: #1a202c;
color: rgba(26, 32, 44, var(--text-opacity));
height: 100%;
overflow: hidden;
align-self: stretch;
}
@media (min-width: 640px), (min-height: 720px) {
.predicted-weather {
padding: 2rem;
padding-top: 1.5rem;
}
}
@media (min-width: 640px) {
.predicted-weather {
border-bottom-right-radius: 1rem;
border-bottom-left-radius: 1rem;
}
}
.predicted-weather h2 {
text-transform: uppercase;
font-size: 0.875rem;
letter-spacing: 0.1em;
font-weight: 700;
margin-top: 0.25rem;
margin-bottom: 0.5rem;
}
.prediction-table {
height: 100%;
overflow-y: scroll;
padding-bottom: 1rem;
}
.prediction-table::-webkit-scrollbar {
display: none;
}
.no-data {
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
text-align: center;
color: grey;
}
.no-data {
margin-top: 1rem;
}
</style>
<div class="predicted-weather">
{#if predictions}
<div className="flex flex-row justify-between items-top">
<h2>Predicted</h2>
</div>
<div class="prediction-table">
{#each predictions as prediction, i}
<PredictedSpaceWeatherThing {prediction}/>
{/each}
</div>
{:else}
<div class="no-data">
<i class="fas fa-7x fa-exclamation-triangle"></i>
<p>No prediction data</p>
</div>
{/if}
</div>
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