// 文章API服务
// 导入API配置
import {getApiUrl, API_CONFIG} from '~/config/api'

export interface Article {
    id: string
    title: string
    brief: string | null
    content: string | null
    createTime: string
    code: string | null
    status: string | null
}

export interface ArticleListResponse {
    msg: string
    code: number
    data: Article[]
}

export interface ArticleListParams {
    code?: string // 文章类型：solution、developKnowledge、industryTrend
    orderByColumn?: string
    isAsc?: string
    pageNum?: number
    pageSize?: number
}

/**
 * 获取文章列表
 * @param params 查询参数
 * @returns Promise<ArticleListResponse>
 */
export const fetchArticleList = async (params: ArticleListParams = {}): Promise<ArticleListResponse> => {
    try {
        // 构建查询参数
        const queryParams = new URLSearchParams()

        if (params.code) queryParams.append('code', params.code)
        if (params.orderByColumn) queryParams.append('orderByColumn', params.orderByColumn)
        if (params.isAsc) queryParams.append('isAsc', params.isAsc)
        if (params.pageNum) queryParams.append('pageNum', params.pageNum.toString())
        if (params.pageSize) queryParams.append('pageSize', params.pageSize.toString())

        const url = `${getApiUrl(API_CONFIG.ENDPOINTS.ARTICLE.LIST)}?${queryParams.toString()}`

        const response = await fetch(url, {
            method: 'GET',
            headers: API_CONFIG.REQUEST.HEADERS,
        })

        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`)
        }

        const result: ArticleListResponse = await response.json()
        return result
    } catch (error) {
        console.error('获取文章列表失败:', error)
        throw error
    }
}

/**
 * 获取推荐文章（按类型分组）
 * @param types 文章类型数组
 * @param pageSize 每页数量
 * @returns Promise<Record<string, Article[]>>
 */
export const fetchRecommendedArticles = async (
    types: string[] = ['solution', 'developKnowledge', 'industryTrend'],
    pageSize: number = 5
): Promise<Record<string, Article[]>> => {
    try {
        const result: Record<string, Article[]> = {}

        // 并发获取各类型文章
        const promises = types.map(async (type) => {
            const response = await fetchArticleList({
                code: type,
                orderByColumn: 'createTime',
                isAsc: 'descending',
                pageNum: 1,
                pageSize: pageSize
            })
            return {type, articles: response.data}
        })

        const responses = await Promise.all(promises)

        // 整理结果
        responses.forEach(({type, articles}) => {
            result[type] = articles
        })

        return result
    } catch (error) {
        console.error('获取推荐文章失败:', error)
        throw error
    }
}

/**
 * 文章类型映射
 */
export const ARTICLE_TYPE_MAP: Record<string, string> = {
    'solution': '解决方案',
    'developKnowledge': '开发知识',
    'industryTrend': '行业动态',
    'aboutUs': '关于我们'
}

/**
 * 获取文章类型的中文名称
 * @param code 文章类型代码
 * @returns 中文名称
 */
export const getArticleTypeName = (code: string): string => {
    return ARTICLE_TYPE_MAP[code] || '未知类型'
}

/**
 * 文章API Composable
 * @returns 文章API相关方法
 */
export const useArticleApi = () => {
    /**
     * 获取文章列表
     * @param params 查询参数
     * @returns Promise<Article[]>
     */
    const getArticles = async (params: ArticleListParams = {}): Promise<Article[]> => {
        try {
            const response = await fetchArticleList(params)
            return response.data || []
        } catch (error) {
            console.error('获取文章列表失败:', error)
            return []
        }
    }

    /**
     * 获取推荐文章（按类型分组）
     * @param types 文章类型数组
     * @param pageSize 每页数量
     * @returns Promise<Record<string, Article[]>>
     */
    const getRecommendedArticles = async (
        types: string[] = ['solution', 'developKnowledge', 'industryTrend'],
        pageSize: number = 5
    ): Promise<Record<string, Article[]>> => {
        return await fetchRecommendedArticles(types, pageSize)
    }

    return {
        getArticles,
        getRecommendedArticles,
        getArticleTypeName
    }
}