const API = require('../../../../lib/API.js')
const { BaseStdResponse } = require('../../../../BaseStdResponse.js')
const AccessControl = require('../../../../lib/AccessControl.js')
const db = require('../../../../plugin/DataBase/db.js')

const MAX_IDS = 300

/**
 * POST /Admin/Lepao/Proxy/Logs/Delete
 * ids: number[] — 批量按主键删除
 * purge_all: 1/true — 清空整张日志表（危险操作）
 */
class AdminLepaoProxyLogsDelete extends API {
    constructor() {
        super()

        this.setPath('/Admin/Lepao/Proxy/Logs/Delete')
        this.setMethod('POST')
    }

    async onRequest(req, res) {
        const { uuid, session, ids, purge_all } = req.body

        if ([uuid, session].some((v) => v === '' || v == null)) {
            return res.json({ ...BaseStdResponse.MISSING_PARAMETER })
        }

        if (!await AccessControl.checkSession(uuid, session)) {
            return res.status(401).json({ ...BaseStdResponse.ACCESS_DENIED })
        }

        const permission = await AccessControl.getPermission(uuid)
        if (!permission.includes('admin') && !permission.includes('service')) {
            return res.json({ ...BaseStdResponse.PERMISSION_DENIED })
        }

        const purge = purge_all === true || purge_all === 1 || purge_all === '1'

        try {
            if (purge) {
                await db.query('DELETE FROM lepao_proxy_log')
                return res.json({
                    ...BaseStdResponse.OK,
                    data: { mode: 'purge_all' }
                })
            }

            if (!Array.isArray(ids) || ids.length === 0) {
                return res.json({ ...BaseStdResponse.ERR, msg: '请传入 ids 数组或勾选 purge_all' })
            }

            const clean = [...new Set(ids.map((id) => Math.floor(Number(id))).filter((n) => Number.isFinite(n) && n > 0))]
            if (clean.length === 0) {
                return res.json({ ...BaseStdResponse.ERR, msg: '无效的 id' })
            }
            if (clean.length > MAX_IDS) {
                return res.json({ ...BaseStdResponse.ERR, msg: `单次最多删除 ${MAX_IDS} 条` })
            }

            const ph = clean.map(() => '?').join(',')
            await db.query(`DELETE FROM lepao_proxy_log WHERE id IN (${ph})`, clean)

            return res.json({
                ...BaseStdResponse.OK,
                data: { deleted: clean.length }
            })
        } catch (e) {
            this.logger?.error?.(`AdminLepaoProxyLogsDelete: ${e.stack || e}`)
            return res.json({ ...BaseStdResponse.ERR, msg: '删除日志失败' })
        }
    }
}

module.exports.AdminLepaoProxyLogsDelete = AdminLepaoProxyLogsDelete