import Banner, { type BannerConfig } from "@/components/Banner";
import Section from "@/components/layout/Section";
import styles from "./Search.module.css";
import { useCallback, useEffect, useMemo, useState } from "react";
import { dateFormat } from "@/utils";
import { useStore } from "@/store";
import appApi from "@/api/app";
import Pagination from "@/components/Pagination";
import { Link } from "react-router-dom";
type SearchData = {
    id: number;
    title: string;
    content: string;
    createTime: string;
    lang: "ZH" | "EN";
    path: string;
};

export default function Search() {
    const appConfig = useStore((s) => s.appConfig);
    const locale = useStore((s) => s.locale);
    const supportLocales = useStore((s) => s.supportLocales);
    const categoryList = useStore((s) => s.categoryList);
    const data = appConfig?.others?.search;
    const banner = data?.banner;
    const searchTips = data?.tips || {
        keyword: "关键词",
        placeholder: "请输入",
        search: "搜索",
        total: "共",
        result: "个结果",
    }
    const [page, setPage] = useState(1);
    const [size] = useState(2 * supportLocales.length);
    const [total, setTotal] = useState(0);
    const categoryId = String(categoryList?.find((item: any) => item.name.includes('集团发布'))?.id ?? '');

    const [searched, setSearched] = useState(false);
    const [searchKeyword, setSearchKeyword] = useState("");
    const [searchData, setSearchData] = useState<SearchData[]>([]);
    const localSearchData = useMemo(() => {
        return searchData.filter((item) => item.lang.toLowerCase() === locale.split('-')[0]);
    }, [searchData, locale]);

    const handleSearch = useCallback(() => {
        appApi.getNewsList({
            page,
            size,
            title: searchKeyword,
            category_id: categoryId,
        }).then((res) => {
            setSearched(true);
            const data = res.data.items.map((item: any) => {
                return {
                    id: item.id,
                    title: item.title,
                    content: item.content,
                    createTime: item.create_time,
                    lang: item.lang,
                    path: `/news/detail/${item.id}`,
                }
            })
            setSearchData(data);
            setTotal(res.data.total);
        });
    }, [searchKeyword, page, size, categoryId]);

    useEffect(() => {
        handleSearch();
    }, [page, size]);

    

    return (
        <div>
            <Banner
                title={banner?.title ?? "搜索结果"}
                content={(banner as BannerConfig)?.content}
                titleSize={(banner as BannerConfig)?.titleSize ?? "large"}
                backgroundImage={banner?.backgroundImage ?? "/images/search-banner.png"}
            />

            <section className={styles.searchRow}>
                <div className={styles.searchRowInner}>
                    <span className={styles.searchRowTitle}>{searchTips.keyword}</span>
                    <div className={styles.searchInputWrapper}>
                        <input
                            type="text"
                            placeholder={searchTips.placeholder}
                            className={styles.searchInput}
                            value={searchKeyword}
                            onChange={(e) => setSearchKeyword(e.target.value)}
                            onKeyDown={(e) => {
                                if (e.key === "Enter") handleSearch();
                            }}
                        />
                        {searched && (
                            <div className={styles.searchKeyword}>
                                {searchTips.search}:
                                <span className={styles.searchKeywordKeyword}>
                                    {searchKeyword}&nbsp;
                                </span>
                                {searchTips.total}:
                                <span>{total / 2}</span>
                                {searchTips.result}
                            </div>
                        )}
                    </div>
                    <button
                        type="button"
                        className={styles.searchBtn}
                        onClick={handleSearch}
                    >
                        {searchTips.search}:
                    </button>
                </div>
            </section>

            <Section background="" maskBackground="#fff">
                <div className={styles.searchItemList}>
                    {localSearchData.map((item) => (
                        <Link to={item.path ?? ''} key={item.id} className={styles.searchItem}>
                            <div className={styles.searchItemTitleRow}>
                                <span className={styles.searchItemTitle}>{item.title}</span>
                                <span className={styles.searchItemCreateTime}>
                                    {locale.startsWith("zh")
                                        ? dateFormat(item.createTime, "yyyy年MM月dd日")
                                        : dateFormat(item.createTime, "yyyy-MM-dd")
                                        }
                                </span>
                            </div>
                            <div className={styles.searchItemContent}>{item.content}</div>
                        </Link>
                    ))}
                </div>
                <Pagination total={total} size={size} page={page} onChange={setPage} />
            </Section>
        </div>
    );
}