const DatabaseModel = require("./DatabaseModel.js").DatabaseModel;
const Security = require('../src/security.js');

function AccessModel(privId, publicId, ipAddress) {
    this.accessTime = new Date();
    this.publicId = publicId;
    this.privId = privId;
    this.reverseIp = null;
    this.ipAddress = ipAddress;
    this.ipRegion = null;
}

Object.setPrototypeOf(AccessModel.prototype, DatabaseModel.prototype);

AccessModel.prototype.resolveIp = async function() {
    try {
        this.ipRegion = Security.geoIp(this.ipAddress);
    } catch (err) {
        console.error("AccessModel::resolveIp: Cannot geolocalize ip " +this.ipAddress +": ", err);
        this.ipRegion = "{}";
    }
    try {
        this.reverseIp = await Security.reverseDns(this.ipAddress);
    } catch (err) {
        console.error("AccessModel::resolveIp: Cannot reverse ip " +this.ipAddress +": ", err);
        this.reverseIp = "";
    }
}

AccessModel.prototype.getTableName = function() {
    return "access";
}

AccessModel.prototype.createOrUpdateBase = async function(dbHelper) {
    await dbHelper.runSql(`CREATE TABLE IF NOT EXISTS 'access' (
        privId string not null,
        publicId string not null,
        accessTime datetime not null,
        ipAddress string not null,
        reverseIp string,
        ipRegion string,

        PRIMARY KEY(publicId, accessTime, ipAddress),
        FOREIGN KEY (privId) REFERENCES pasteContent(privId)
        )`);
}

AccessModel.prototype.describe = function() {
    return {
        "privId": this.privId,
        "publicId": this.publicId,
        "accessTime": this.accessTime.getTime(),
        "ipAddress": this.ipAddress,
        "reverseIp": this.reverseIp,
        "ipRegion": JSON.stringify(this.ipRegion)
    };
}

AccessModel.prototype.fromDb = function(dbObj) {
    this.privId = dbObj['privId'];
    this.publicId = "" + dbObj['publicId'];
    this.accessTime = new Date(dbObj['accessTime']);
    this.ipAddress = dbObj['ipAddress'];
    this.reverseIp = dbObj['reverseIp'];
    this.ipRegion = JSON.parse(dbObj['ipRegion']);
}

module.exports.AccessModel = AccessModel;