const API = require('../../../lib/API')
const { BaseStdResponse } = require('../../../BaseStdResponse')
const AccessControl = require('../../../lib/AccessControl')
const OneBotV11 = require('../../../plugin/OneBot/OneBotV11')
const { ConversationService } = require('../../../lib/AIChat/ConversationService')

class SendMessage extends API {
    constructor() {
        super()
        this.setPath('/AIChat/Message')
        this.setMethod('POST')
    }

    async onRequest(req, res) {
        const { uuid, session, conversation_id, content, images = [] } = req.body
        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 saved = await ConversationService.addUserMessage({
            uuid,
            conversationId: conversation_id,
            content,
            images
        })
        if (!saved) return res.json({ ...BaseStdResponse.ERR, msg: '会话不存在或无权发送' })
        if (saved.missingContent) return res.json({ ...BaseStdResponse.MISSING_PARAMETER, msg: '请输入消息或上传图片' })

        res.json({ ...BaseStdResponse.OK, data: { message_id: saved.messageId } })

        try {
            await OneBotV11.sendAiChatMessage({
                conversationId: saved.conversationId,
                conversationNo: saved.conversationNo,
                senderUuid: uuid,
                content: saved.content,
                images: saved.images
            })
        } catch (err) {
            this.logger.error(`AIChat OneBot 转发失败: ${err.stack || err}`)
            await ConversationService.addSystemMessage({
                conversationId: saved.conversationId,
                content: '消息已保存，但暂时无法连接小妍助理，请稍后再试。',
                status: 'error',
                errorMsg: err.message || 'OneBot send failed'
            })
        }
    }
}

module.exports.SendMessage = SendMessage