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import * as React from 'react';
import { useState, useEffect } from 'react';
import { View, Text, StyleSheet, TouchableOpacity, FlatList, Switch, ActivityIndicator, Image } from 'react-native';
import * as Location from 'expo-location';
import { useFonts } from "expo-font";
import AsyncStorage from "@react-native-async-storage/async-storage";
import Fira from "../assets/Fira.ttf";
import LocIcon from "../assets/LocIcon.png";
const L_KEY = 'locs_key'
export default function Main(props) {
const [fontLoaded] = useFonts({
Fira,
});
const [isLoading, setIsLoading] = useState(false);
const [locs, _setLocs] = useState([]);
const setLocs = async (nls) => {
await AsyncStorage.setItem(L_KEY, JSON.stringify(nls))
_setLocs(nls)
}
const saveLocs = async () => {
await AsyncStorage.setItem(L_KEY, JSON.stringify(locs))
}
useEffect(() => {
(async () => {
const x = JSON.parse(await AsyncStorage.getItem(L_KEY))
if (x) _setLocs(x);
const { status } = await Location.requestForegroundPermissionsAsync();
if (status !== "granted") {
alert("Permission to access location was denied");
}
})();
}, []);
// useEffect(() => console.log(locs))
const getPosition = async () => {
let loc = { c: false, l: await Location.getCurrentPositionAsync(), }
setLocs([...locs, loc])
};
const [switchState, setSwitchState] = useState(false);
const pins = [1, 2, 3, 4, 5, 6, 7, 8, 9];
if (isLoading) {
return (
<ActivityIndicator style={{ top: "50%" }} color="#00F" size="large" animating={isLoading} />
)
}
return (
<View style={styles.cont}>
<View style={styles.nav}>
<View style={styles.navEl}>
<TouchableOpacity onPress={getPosition} style={[styles.navBtn, { flex: 2 }]}><Text style={[styles.navTxtSm, fontLoaded ? { fontFamily: "Fira" } : { backgroundColor: "red" }]}>LOAD{'\n'}AND SAVE{'\n'}POSITION</Text></TouchableOpacity>
<TouchableOpacity onPress={() => setLocs([])} style={styles.navBtn}><Text style={styles.navTxtSm}>REMOVE{'\n'}ALL DATA</Text></TouchableOpacity>
</View>
<View style={styles.map}>
<TouchableOpacity onPress={async () => { await saveLocs(); props.navigation.navigate("mapV") }} style={styles.navBtnB}><Text style={styles.navTxt}>GO TO THE MAP</Text></TouchableOpacity>
<Switch
style={styles.mapSwitch}
trackColor={{ true: "#AEEDF0", false: "lightgray" }}
thumbColor={switchState ? "#00BFC5" : "white"}
value={switchState}
onValueChange={(a) => {
setLocs(locs.map(l => { l.c = a; return l }))
setSwitchState(a)
}}
/>
</View>
</View>
<FlatList
data={locs}
renderItem={({ item }) => {
console.log("item", item)
return (
<View style={{ height: 130, width: "100%", position: "relative" }}>
<Image source={LocIcon} style={{ width: 90, height: 90, top: 13 }} />
<View style={{ top: -66, left: 100 }}>
<Text style={[styles.itemTxt, { color: "#3D54BB" }]}>- Timestamp {item.l.timestamp}</Text>
<Text style={[styles.itemTxt]}>- Latitude {item.l.coords.latitude}</Text>
<Text style={[styles.itemTxt]}>- Longitude {item.l.coords.longitude}</Text>
</View>
<Switch
style={{ top: -120 }}
trackColor={{ true: "#AEEDF0", false: "lightgray" }}
thumbColor={item.c ? "#00BFC5" : "white"}
value={item.c}
onValueChange={(a) => {
setLocs(locs.map(l => {
if (l.l.timestamp === item.l.timestamp)
l.c = a
return l
}
))
}}
/>
</View>
)
}}
keyExtractor={p => {
console.log('p', p);
p.l.timestamp
}}
style={styles.list}
/>
</View >
)
}
const styles = StyleSheet.create({
cont: {
flex: 1,
margin: 30,
},
nav: {
flex: 1,
flexDirection: "column",
flexWrap: "wrap",
// backgroundColor: "red",
},
navEl: {
flex: 1,
flexDirection: "row",
// backgroundColor: "blue",
},
navTxt: {
fontSize: 26,
textAlign: "center",
fontWeight: "bold",
},
navTxtSm: {
fontSize: 26,
fontWeight: "bold",
},
navBtn: {
flex: 1,
},
map: {
// backgroundColor: "orange",
flex: 1,
flexDirection: "row",
},
mapSwitch: {
flex: 1,
height: 65,
},
navBtnB: {
flex: 1,
},
list: {
// height: 414,
flex: 1,
// margin: 9,
paddingBottom: 170,
// height: "100%",
// marginBottom: -20,
},
itemTxt: {
fontSize: 15,
fontWeight: "bold",
},
})
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