import { getCockpitConfig } from './cockpitConfig.js'

/** 设备图片与采集附件共用对象基址；绝对签名地址保持原样，不迁移凭据。 */
export function resolveDeviceImageUrl(value, config = getCockpitConfig()) {
    const raw = typeof value === 'string' ? value.trim() : ''
    if (!raw) return ''
    if (/^(blob:|data:image\/)/i.test(raw)) return raw
    const documentBase = typeof document !== 'undefined' ? document.baseURI : 'http://localhost/'
    const real = config?.dataSource === 'real'
    const imageBase = real ? config.images?.baseUrl : ''
    try {
        let path = raw
        if (/^https?:\/\//i.test(raw)) {
            const absolute = new URL(raw)
            if (absolute.username || absolute.password) return ''
            const prefix = ['/pipe/', '/minio/pipe/'].find((item) => absolute.pathname.startsWith(item))
            // 查询串可能是签名的一部分；不能重写其主机、路径或编码。
            if (!imageBase || absolute.search || !prefix) return raw
            path = absolute.pathname.slice(prefix.length)
        } else if (/^[a-z][a-z0-9+.-]*:/i.test(raw)) {
            return ''
        }
        path = path.replace(/\\/g, '/')
        if (imageBase) {
            const base = new URL(imageBase.replace(/\/+$/, '') + '/', documentBase)
            if (!['http:', 'https:'].includes(base.protocol) || base.username || base.password || base.search || base.hash) return ''
            return new URL(path.replace(/^\/+/, ''), base).href
        }
        const apiBase = real ? config.api?.baseUrl : ''
        const base = apiBase ? new URL(apiBase, documentBase).origin + '/' : documentBase
        return new URL(path, base).href
    } catch {
        return ''
    }
}