import * as Clipboard from 'expo-clipboard';
import {FlatList, View} from "react-native";
import React, {useCallback, useMemo} from "react";

import {AMCard} from "../models/AMCard";
import {AimeCard} from "../components/AimeCard";
import RealmContext from "../models/RealmContext";
import ContextMenu from "react-native-context-menu-view";
import {EmptyStatePlaceholder} from "../components/EmptyStatePlaceholder";
import {CreditCard, Plus} from "lucide-react-native";
import {Button, useTheme} from "react-native-paper";

const {useQuery, useRealm} = RealmContext;

function CardEntry(props: { card: AMCard }) {
    const realm = useRealm();
    const callback = useCallback(async (index: number) => {
        if (!props.card.isValid()) {
            return;
        }
        
        switch (index) {
            // copy card no
            case 0:
                await Clipboard.setStringAsync(props.card.code);
                break;
                
            case 1:
                realm.write(() => {
                    realm.delete(props.card);
                });
                break;
        }
    }, [realm, props.card]);
    
    return (
        <ContextMenu
            onPress={e => callback(e.nativeEvent?.index)}
            actions={[
                {title: "Copy Card Number", systemIcon: "doc.on.doc"},
                {title: "Delete Card", destructive: true, systemIcon: "trash"}]}>
            <AimeCard card={props.card} showFullCardNumber/>
        </ContextMenu>
    );
}

export default function CardManager({navigation}) {
    const query = useQuery(AMCard);
    const cards = useMemo(() => query.sorted("added", true), [query]);
    
    const theme = useTheme();
    
    if (!cards.length) {
        return (
            <View style={{flex: 1, gap: 10, justifyContent: "center", alignItems: "center"}}>
                <EmptyStatePlaceholder message="No cards added yet" icon={<CreditCard color="gray"/>}/>
                <Button mode="text" onPress={() => navigation.navigate('add-card')} icon={() => <Plus size={18} color={theme.colors.primary}/>}>Add Card</Button>
            </View>
        )
    }

    return (
        <FlatList contentInsetAdjustmentBehavior="always"
                  style={{padding: 16, paddingTop: 24}}
                  data={cards}
                  keyExtractor={i => i._id.toString()}
                  contentContainerStyle={{paddingBottom: 40}}
                  ItemSeparatorComponent={() => <View style={{height: 15}}/>}
                  renderItem={i => <CardEntry card={i.item}/>}/>
    )
}