import { useState } from 'react'
import {
    View,
    Text,
    StyleSheet,
    ScrollView,
    Dimensions,
    Pressable,
} from 'react-native'
import { Image } from 'expo-image'
import { useRouter } from 'expo-router'

import { WhiteStarIcon } from '@/components/icon'

const { width: screenWidth } = Dimensions.get('window')

interface SearchResultItem {
    id: number
    title: string
    image: any
    height: number
    videoUrl?: any
    thumbnailUrl?: any
    duration?: string
}

interface SearchResultsGridProps {
    results: SearchResultItem[]
}

export default function SearchResultsGrid({ results }: SearchResultsGridProps) {
    const router = useRouter()
    const [gridWidth, setGridWidth] = useState(screenWidth)
    
    const horizontalPadding = 8 * 2 // gridContainer 的左右 padding
    const cardGap = 5 // 两个卡片之间的间距
    const cardWidth = (gridWidth - horizontalPadding - cardGap) / 2

    const handleSameStylePress = (item: SearchResultItem) => {
        // 构建模板数据，传递给 generateVideo 页面
        const templateData = {
            id: item.id,
            videoUrl: item.videoUrl || item.image, // 如果没有 videoUrl，使用 image
            thumbnailUrl: item.thumbnailUrl || item.image, // 如果没有 thumbnailUrl，使用 image
            title: item.title,
            duration: item.duration || '00:00', // 默认时长
        }
        router.push({
            pathname: '/generateVideo' as any,
            params: {
                template: JSON.stringify(templateData),
            },
        } as any)
    }

    return (
        <ScrollView
            style={styles.scrollView}
            contentContainerStyle={styles.scrollContent}
            showsVerticalScrollIndicator={false}
        >
            <View
                style={styles.gridContainer}
                onLayout={(event) => {
                    const { width } = event.nativeEvent.layout
                    setGridWidth(width)
                }}
            >
                {results.map((item, index) => (
                    <View
                        key={item.id}
                        style={[
                            styles.card,
                            { width: cardWidth },
                            index % 2 === 0 ? styles.cardLeft : styles.cardRight,
                        ]}
                    >
                        <View
                            style={[
                                styles.cardImageContainer,
                                { height: item.height },
                            ]}
                        >
                            <Image
                                source={item.image}
                                style={styles.cardImage}
                                contentFit="cover"
                            />
                        </View>
                        <Text style={styles.cardTitle} numberOfLines={1}>
                            {item.title}
                        </Text>
                        <Pressable
                            style={styles.sameStyleButton}
                            onPress={() => handleSameStylePress(item)}
                        >
                            <WhiteStarIcon />
                            <Text style={styles.sameStyleText}>做同款</Text>
                        </Pressable>
                    </View>
                ))}
            </View>
        </ScrollView>
    )
}

const styles = StyleSheet.create({
    scrollView: {
        flex: 1,
    },
    scrollContent: {
        paddingBottom: 100,
    },
    gridContainer: {
        flexDirection: 'row',
        flexWrap: 'wrap',
        paddingHorizontal: 8,
        justifyContent: 'space-between',
    },
    card: {
        backgroundColor: '#16181B',
        borderBottomLeftRadius: 12,
        borderBottomRightRadius: 12,
        marginBottom: 12,
    },
    cardLeft: {
        marginRight: 0,
    },
    cardRight: {
        marginLeft: 0,
    },
    cardImageContainer: {
        width: '100%',
        borderRadius: 12,
        overflow: 'hidden',
        marginBottom: 8,
        position: 'relative',
    },
    cardImage: {
        width: '100%',
        height: '100%',
    },
    sameStyleButton: {
        flexDirection: 'row',
        alignItems: 'center',
        gap: 4,
        backgroundColor: '#262A31',
        height:32,
        marginHorizontal: 8,
        marginTop: 10,
        marginBottom: 8,
        borderRadius: 100,
        justifyContent: 'center',
    },
    sameStyleText: {
        color: '#FFFFFF',
        fontSize: 12,
        fontWeight: '500',
        lineHeight: 17,
    },
    cardTitle: {
        color: '#FFFFFF',
        fontSize: 12,
        fontWeight: '500',
        paddingHorizontal: 8,
    },
})