const API = require('../../../lib/API')
const { BaseStdResponse } = require('../../../BaseStdResponse')
const AccessControl = require('../../../lib/AccessControl')
const { ConversationService } = require('../../../lib/AIChat/ConversationService')

class ListMessage extends API {
    constructor() {
        super()
        this.setPath('/AIChat/Message/List')
        this.setMethod('GET')
    }

    async onRequest(req, res) {
        const { uuid, session, conversation_id, after_id = 0, current = 1, pagesize = 50 } = req.query
        if ([uuid, session, conversation_id].some(v => v === '' || v === null || v === undefined)) {
            return res.json({ ...BaseStdResponse.MISSING_PARAMETER })
        }
        if (!await AccessControl.checkSession(uuid, session)) {
            return res.status(401).json({ ...BaseStdResponse.ACCESS_DENIED })
        }
        const result = await ConversationService.listMessages({
            uuid,
            conversationId: conversation_id,
            afterId: after_id,
            current,
            pagesize
        })
        if (!result) return res.json({ ...BaseStdResponse.ERR, msg: '会话不存在或无权查看' })
        return res.json({ ...BaseStdResponse.OK, ...result })
    }
}

module.exports.ListMessage = ListMessage