const API = require("../../lib/API")
const AccessControl = require("../../lib/AccessControl")
const { BaseStdResponse } = require("../../BaseStdResponse")
const db = require("../../plugin/DataBase/db")
const axios = require('axios')
const { core_url } = require('../../config.json')
const path = require('path')
const { isBinaryFileSync } = require('isbinaryfile')

class SummaryFile extends API {
    constructor() {
        super()

        this.setMethod("GET")
        this.setPath("/AI/SummaryFile")
    }

    isBinaryFile(filePath) {
        try {
            return isBinaryFileSync(filePath)
        } catch (err) {
            return false
        }
    }

    async onRequest(req, res) {
        let { uuid, session, id, hash, filePath } = req.query

        if ([uuid, session, id, hash, filePath].some(value => value === '' || value === null || value === undefined))
            return res.json({
                ...BaseStdResponse.MISSING_PARAMETER
            })

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

        let sql = 'SELECT state, path, url FROM repos WHERE create_user = ? AND id = ?'
        let rows = await db.query(sql, [uuid, id])
        if (!rows || rows.length === 0)
            return res.json({
                ...BaseStdResponse.ERR,
                msg: '未找到仓库'
            })

        if (rows[0].state !== 1 || !rows[0].path)
            return res.json({
                ...BaseStdResponse.ERR,
                msg: '仓库未成功克隆！'
            })

        try {
            filePath = path.join(rows[0].path, filePath)

            if(this.isBinaryFile(filePath))
                return res.json({
                    ...BaseStdResponse.ERR,
                    msg: '该文件类型不支持AI总结！'
                })

            const time = new Date().getTime()
            sql = 'INSERT INTO file_summary_tasks (repo_id, create_time, create_user, repo_hash, filepath) VALUES (?, ?, ?, ?, ?)'
            let r = await db.query(sql, [id, time, uuid, hash, filePath, 'hand'])

            if (!r || r.affectedRows !== 1)
                return res.json({
                    ...BaseStdResponse.ERR,
                    msg: '扫描任务添加失败！'
                })

            res.json({
                ...BaseStdResponse.OK
            })

            let endpoint = core_url + '/ai/summaryFile'
            await axios.post(endpoint, { uuid, repo_url: rows[0].url, task_id: String(r.insertId), file_path: filePath })
        } catch (error) {
            this.logger.error('添加AI分析任务失败！' + error.stack)
            return res.json({
                ...BaseStdResponse.ERR,
                msg: '添加AI分析任务失败！'
            })
        }
    }
}

module.exports.SummaryFile = SummaryFile