const API = require('../../lib/API.js')
const { BaseStdResponse } = require('../../BaseStdResponse.js')
const { importFromRemoteUrl, batchCheckProxies, getGlobalOrThrow } = require('../../lib/Lepao/lepaoProxyPoolService')

/**
 * Corn：拉取全局 import_url 上的代理文本并写入池，随后全表探活。
 * 建议由 crontab 定时 GET 调用（与 UpdateState 类同，依赖网络隔离）。
 */
class ProxySync extends API {
    constructor() {
        super()
        this.noEncrypt()
        this.setPath('/Corn/ProxySync')
        this.setMethod('GET')
    }

    async onRequest(req, res) {
        try {
            res.json({ ...BaseStdResponse.OK })

            try {
                const g = await getGlobalOrThrow()
                const url = String(g.import_url || '').trim()
                if (!url) {
                    this.logger.error('[Corn/ProxySync] import_url 为空')
                    return
                }
                const impr = await importFromRemoteUrl(url, 'cron')
                this.logger.info(`[Corn/ProxySync] 导入完成 imported=${impr.imported} url=${url}`)
            } catch (e) {
                this.logger.error(`[Corn/ProxySync] 导入失败: ${e.stack || e}`)
            }
            try {
                const st = await batchCheckProxies(null, { logger: this.logger })
                this.logger.info(
                    `[Corn/ProxySync] 探活完成 total=${st.total} ok=${st.ok} fail=${st.fail} probe=${st.probeUrl}`
                )
            } catch (e) {
                this.logger.error(`[Corn/ProxySync] 探活失败: ${e.stack || e}`)
            }
        } catch (e) {
            this.logger.error(`[Corn/ProxySync]: ${e.stack || e}`)
        }
    }
}

module.exports.ProxySync = ProxySync