/**
 * 静态资源URL工具类
 * 用于获取后端提供的静态资源URL
 */

// 配置基础URL
const config = {
    // 后端API基础URL，从环境变量或配置文件读取
    baseUrl: process.env.NODE_ENV === 'development' ? 'http://localhost:20080' : 'https://your-domain.com',
    // 静态资源基础路径
    staticBasePath: '/static/resource/uniapp/'
}

/**
 * 获取静态资源的完整URL
 * @param {string} resourcePath - 资源相对路径，如：'icon-img/home.png'
 * @returns {string} 完整的资源URL
 */
export function getStaticResourceUrl(resourcePath) {
    if (!resourcePath) {
        console.warn('staticResource: resourcePath is empty')
        return ''
    }
    
    // 移除开头的 '/' 或 'static/' 
    const cleanPath = resourcePath.replace(/^(\/|static\/)?/, '')
    
    return config.baseUrl + config.staticBasePath + cleanPath
}

/**
 * 批量获取静态资源URL
 * @param {Array<string>} resourcePaths - 资源路径数组
 * @returns {Object} 路径到URL的映射对象
 */
export function getBatchStaticResourceUrls(resourcePaths) {
    if (!Array.isArray(resourcePaths)) {
        console.warn('staticResource: resourcePaths must be an array')
        return {}
    }
    
    const results = {}
    resourcePaths.forEach(path => {
        results[path] = getStaticResourceUrl(path)
    })
    
    return results
}

/**
 * 获取图标资源URL的便捷方法
 * @param {string} iconName - 图标文件名，如：'home.png'
 * @returns {string} 图标URL
 */
export function getIconUrl(iconName) {
    return getStaticResourceUrl(`icon-img/${iconName}`)
}

/**
 * 获取评分图标URL
 * @param {string} rateName - 评分图标名，如：'none.png'
 * @returns {string} 评分图标URL
 */
export function getRateIconUrl(rateName) {
    return getStaticResourceUrl(`rate/${rateName}`)
}

/**
 * 预定义的常用图标URL
 */
export const COMMON_ICONS = {
    // 导航图标
    HOME: () => getIconUrl('home.png'),
    HOME_ACTIVE: () => getIconUrl('home-active.png'),
    PROFILE: () => getIconUrl('profile.png'),
    PROFILE_ACTIVE: () => getIconUrl('profile-active.png'),
    
    // 功能图标
    EMPTY: () => getIconUrl('empty.png'),
    DELETE: () => getIconUrl('delete.png'),
    LOCATION: () => getIconUrl('ding_wei.png'),
    NOTICE: () => getIconUrl('notice.png'),
    WARNING: () => getIconUrl('warn.png'),
    LOADING: () => getIconUrl('loading_white.png'),
    
    // 用户相关
    AVATAR: () => getIconUrl('tou.png'),
    UPLOAD: () => getIconUrl('uploadImg.png'),
    
    // 其他
    EXPIRED: () => getIconUrl('guoqi.png'),
    USED: () => getIconUrl('used.png'),
    WECHAT: () => getIconUrl('weixin.png'),
    
    // 评分
    RATE_NONE: () => getRateIconUrl('none.png')
}

/**
 * 更新配置
 * @param {Object} newConfig - 新的配置对象
 */
export function updateConfig(newConfig) {
    Object.assign(config, newConfig)
}

/**
 * 获取当前配置
 * @returns {Object} 当前配置
 */
export function getConfig() {
    return { ...config }
}

// 默认导出主要函数
export default {
    getStaticResourceUrl,
    getBatchStaticResourceUrls,
    getIconUrl,
    getRateIconUrl,
    COMMON_ICONS,
    updateConfig,
    getConfig
}