import {useState} from 'react'

import {ChevronRight} from 'lucide-react'

import Button from '@/components/button'
import {HOME_CATEGORY_META_MAP} from '@/constant'
import type {ProductCategory, ProductItem} from '@/types'

type GoodsCategoryListProps = {
    categories: ProductCategory[]
    loading?: boolean
    emptyText?: string
    showMore?: boolean
    onMoreClick?: (categoryId: ProductCategory['id']) => void
    onRedeem: (product: ProductItem, categoryId: ProductCategory['id']) => void
}

function GoodsImage({
    imageUrl,
}: {
    imageUrl?: string
}) {
    const [hasError, setHasError] = useState(false)
    const showFallback = !imageUrl || hasError

    return (
        <div className="relative h-[116px] w-full overflow-hidden rounded-t-[10px] sm:h-[128px]">
            {showFallback ? (
                <div className="absolute inset-0 flex flex-col items-center justify-center bg-[radial-gradient(circle_at_top,rgba(250,106,0,0.18),transparent_58%),linear-gradient(180deg,rgba(255,255,255,0.06),rgba(255,255,255,0.02))] px-[12px] text-center">
                    <div className="h-[30px] w-[30px] rounded-[10px] border border-white/10 bg-white/6"></div>
                    <div className="mt-[10px] text-[12px] tracking-[0.08em] text-white/42">NO IMAGE</div>
                </div>
            ) : null}

            {imageUrl ? (
                <img
                    src={imageUrl}
                    alt=""
                    className={`h-full w-full object-cover ${showFallback ? 'hidden' : 'block'}`}
                    onError={() => setHasError(true)}
                />
            ) : null}
        </div>
    )
}

export function GoodsCategoryList({
    categories,
    loading = false,
    emptyText = 'No goods available yet.',
    showMore = false,
    onMoreClick,
    onRedeem,
}: GoodsCategoryListProps) {
    if (loading) {
        return (
            <div className="pb-[24px] mt-[20px]">
                <div className="liquid-glass-bg px-[16px] py-[18px] text-[14px] text-white/60">
                    Loading ...
                </div>
            </div>
        )
    }

    if (!categories.length) {
        return (
            <div className="pb-[24px]">
                <div className="liquid-glass-bg px-[16px] py-[18px] text-[14px] text-white/60">
                    {emptyText}
                </div>
            </div>
        )
    }

    return (
        <div className="pb-[24px]">
            {categories.map((category) => {
                const CategoryIcon = HOME_CATEGORY_META_MAP[category.id].icon

                return (
                    <div key={category.id} className="mt-[20px]">
                        <div className="mb-[10px] flex items-center justify-between gap-[12px]">
                            <div className="flex min-w-0 items-center gap-[10px]">
                                <div
                                    className="flex h-[36px] w-[36px] items-center justify-center rounded-[12px] bg-[#FA6A00]/15 text-[#FE9F00]">
                                    <CategoryIcon className="h-[18px] w-[18px]" aria-hidden="true"/>
                                </div>
                                <div className="truncate text-[15px] font-semibold text-white">{category.name}</div>
                            </div>
                            {showMore && onMoreClick ? (
                                <button
                                    type="button"
                                    className="flex shrink-0 items-center gap-[3px] text-[12px] font-light text-[#FA6A00] underline cursor-pointer"
                                    onClick={() => onMoreClick(category.id)}
                                >
                                    more
                                    <ChevronRight className="h-[14px] w-[14px]" aria-hidden="true"/>
                                </button>
                            ) : null}
                        </div>
                        <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 xl:grid-cols-4">
                            {category.items.map((product) => (
                                <div
                                    key={product.id}
                                    className="liquid-glass-bg flex min-h-[260px] w-full flex-col items-stretch justify-start overflow-hidden"
                                >
                                    <GoodsImage imageUrl={product.imageUrl}/>
                                    <div
                                        className="flex flex-1 flex-col items-start justify-between gap-[12px] p-[12px] sm:p-[14px]"
                                    >
                                        <div className="space-y-[4px]">
                                            <div className="text-[16px] font-medium text-white">{product.title}</div>
                                            <div className="text-[13px] text-white/52">{product.subtitle}</div>
                                        </div>
                                        <div className="text-[16px] font-semibold text-[#FA6A00]">{product.score}</div>
                                        <Button
                                            className="h-[36px] w-full text-[13px]"
                                            onClick={() => onRedeem(product, category.id)}
                                        >
                                            {product.ctaLabel}
                                        </Button>
                                    </div>
                                </div>
                            ))}
                        </div>
                    </div>
                )
            })}
        </div>
    )
}