import {getGameName} from "amnet-shared";
import {FlatList, Platform, View} from "react-native";
import {Button, Text, useTheme} from "react-native-paper";
import React, {useCallback, useLayoutEffect, useMemo, useState} from "react";
import {Globe, History, Joystick, Plus, ServerOff} from "lucide-react-native";

import TimeAgo from "../components/TimeAgo";
import {AMUICard, AMUICardDetail} from "../components/AMUICard";
import {EmptyStatePlaceholder} from "../components/EmptyStatePlaceholder";

import {AMServer} from "../models/AMServer";
import RealmContext from "../models/RealmContext";

const {useQuery} = RealmContext;

function ServerCard(props: { server: AMServer, navigation: any }) {
    const gameName = useMemo(() => getGameName(props.server.gameId ?? ''), [props.server.gameId]);
    const pageCallback = useCallback(() => {
        props.navigation.navigate('server', {
            serverId: props.server._id.toHexString()
        });
    }, [props.navigation, props.server]);

    return (
        <AMUICard title={props.server.serverName} onPress={pageCallback}>
            <AMUICardDetail>
                <Globe size={18} color="gray"/>
                <Text variant="bodyMedium" style={{color: "gray", fontFamily: "JetBrainsMono_400Regular"}}>
                    {props.server.serverAddress}
                </Text>
            </AMUICardDetail>
            {gameName && (
                <AMUICardDetail>
                    <Joystick size={18} color="gray"/>
                    <Text variant="bodyMedium" style={{color: "gray"}}>{gameName}</Text>
                </AMUICardDetail>
            )}
            <AMUICardDetail>
                <History size={18} color="gray"/>
                {props.server.lastUsed
                    ? (<TimeAgo style={{color: "gray"}} dateTo={props.server.lastUsed}/>)
                    : (<Text variant="bodyMedium" style={{color: "gray"}}>never</Text>)}
            </AMUICardDetail>
        </AMUICard>
    )
}

export default function ServerManager({navigation}) {
    const theme = useTheme();
    const [searchQuery, setSearchQuery] = useState('');

    const query = useQuery(AMServer);
    const servers = useMemo(() => {
        let q = query;

        if (searchQuery !== '') {
            q = q.filtered("serverName CONTAINS[c] $0 OR serverAddress CONTAINS[c] $0", searchQuery);
        }

        return q.sorted("lastUsed", true);
    }, [query, searchQuery]);

    // enable searchbar
    useLayoutEffect(() => {
        navigation.setOptions({
            headerSearchBarOptions: {
                type: "text",
                value: searchQuery,
                autoCorrect: "none",
                autoCapitalize: "none",
                textColor: theme.colors.onSurface,
                headerIconColor: theme.colors.primary,
                onChangeText: e => setSearchQuery(e.nativeEvent.text)
            },
        })
    }, [navigation, setSearchQuery]);

    if (!servers.length) {
        return (
            <View style={{gap: 10, flex: 1, justifyContent: "center", alignItems: "center"}}>
                <EmptyStatePlaceholder message="No servers found" icon={<ServerOff color="gray"/>}/>
                {(!searchQuery || !query.length) && (
                    <Button mode="text"
                            onPress={() => navigation.navigate('add-server')}
                            icon={() => <Plus size={18} color={theme.colors.primary}/>}>Add Server</Button>)}
            </View>
        );
    }

    return (
        <FlatList contentInsetAdjustmentBehavior="always"
                  data={servers}
                  keyExtractor={i => i._id.toString()}
                  style={{padding: 16, paddingTop: 24}}
                  contentContainerStyle={{paddingBottom: 80}}
                  renderItem={i => <ServerCard navigation={navigation} server={i.item}/>}
                  ItemSeparatorComponent={() => <View style={{height: 15}}/>}
                  ListFooterComponent={() => Platform.OS === "ios" ? null : (
                      <Button mode="text"
                              onPress={() => navigation.navigate('add-server')}
                              style={{marginTop: 15, marginBottom: 25}}
                              icon={() => <Plus size={18} color={theme.colors.primary}/>}>Add Server</Button>
                  )}/>
    )
}