import { ThemedText } from "@/components/ThemedText";
import { Fonts } from "@/constants/Fonts";
import { webSocketManager } from "@/lib/websocket-util";
import { Message } from "@/types/ask";
import { Dispatch, SetStateAction } from "react";
import { useTranslation } from "react-i18next";
import { Dimensions, Image, ScrollView, StyleSheet, TouchableOpacity, View } from 'react-native';
import { createNewConversation } from "./utils";

interface AskHelloProps {
    setUserMessages: Dispatch<SetStateAction<Message[]>>;
    setConversationId: Dispatch<SetStateAction<string | null>>;
    setIsHello: Dispatch<SetStateAction<boolean>>;
}
export default function AskHello({ setUserMessages, setConversationId, setIsHello }: AskHelloProps) {
    const { t } = useTranslation();
    const width = Dimensions.get('window').width;
    const height = Dimensions.get('window').height;

    const handleCase = async (text: string) => {
        setIsHello(false);
        setUserMessages([
            {
                id: Math.random().toString(36).substring(2, 9),
                content: text,
                role: 'user',
                timestamp: new Date().toISOString()
            },
            {
                id: Math.random().toString(36).substring(2, 9),
                content: "keepSearchIng",
                role: 'assistant',
                timestamp: new Date().toISOString()
            }
        ]);

        const sessionId = await createNewConversation(text);
        if (sessionId) {
            setConversationId(sessionId);
            webSocketManager.send({
                type: 'Chat',
                session_id: sessionId,
                message: text
            });
        } else {
            console.error("Failed to create a new conversation.");
            setUserMessages(prev => prev.filter(item => item.content !== 'keepSearchIng'));
        }
    }
    return (
        <View className="flex-1 bg-white w-full">
            <ScrollView
                contentContainerStyle={{
                    flexGrow: 1,
                    paddingHorizontal: 8,
                    paddingBottom: 20
                }}
                keyboardDismissMode="interactive"
                keyboardShouldPersistTaps="handled"
            >
                <View className="items-center">
                    <ThemedText style={{ textAlign: 'center', lineHeight: 40, }} size="title" weight="bold">
                        {t('ask.hi', { ns: 'ask' })}
                        {"\n"}
                        {t('ask.iAmMemo', { ns: 'ask' })}
                    </ThemedText>
                    <Image source={require('@/assets/images/png/icon/ip.png')} style={{ width: width * 0.4, height: height * 0.25 }} />
                    <ThemedText className="text-center -mt-10" size='base' color="textPrimary" type="sfPro" weight="medium">
                        {t('ask.ready', { ns: 'ask' })}
                        {"\n"}
                        {t('ask.justAsk', { ns: 'ask' })}
                    </ThemedText>
                    <View style={styles.caseContainer}>
                        <TouchableOpacity onPress={() => {
                            handleCase(t('ask:ask.case1'));
                        }}>
                            <ThemedText style={styles.case}>
                                {t('ask:ask.case1')}
                            </ThemedText>
                        </TouchableOpacity>
                        <TouchableOpacity onPress={() => {
                            handleCase(t('ask:ask.case2'));
                        }}>
                            <ThemedText style={styles.case}>
                                {t('ask:ask.case2')}
                            </ThemedText>
                        </TouchableOpacity>
                        <TouchableOpacity onPress={() => {
                            handleCase(t('ask:ask.case3'));
                        }}>
                            <ThemedText style={styles.case}>
                                {t('ask:ask.case3')}
                            </ThemedText>
                        </TouchableOpacity>
                    </View>
                </View>
            </ScrollView>
        </View>
    );
}


const styles = StyleSheet.create({
    caseContainer: {
        flexDirection: 'row',
        flexWrap: 'wrap',
        justifyContent: 'center',
        gap: 8,
        width: '100%',
        marginTop: 16
    },
    case: {
        borderWidth: 1,
        borderColor: Fonts["textPrimary"],
        borderRadius: 10,
        paddingHorizontal: 8,
        paddingVertical: 2,
        width: 'auto',
        fontSize: Fonts["sm"],
        color: Fonts["textSecondary"],
        fontFamily: Fonts["sfPro"]

    }
})