'use strict';
var mysql = require('mysql');
const random = require('random');
var fs = require("fs");
var check;
var con = mysql.createConnection({
    host: "localhost",
    user: "root",
    password: "",
    database: "intops"
});



// console.log(sql_levenshtein_cmd);
con.connect(function (err) {
    if (err) throw err;
    console.log("Connected!!!")
});

exports.SaveLogs = async function (req, res) {
    var sql_cmd = "SELECT * FROM vehicle WHERE plate=\"" + req.body.plate + "\"";
    var sql_query_cmd = "select * from vehicle where levenshtein('" + req.body.plate + "',`plate`) BETWEEN 0 AND 2";
    console.log("req: ", req.body.plate);
    con.connect(function (err) {
        // if (err)
        //     throw err;
        if (check != req.body.plate) {
            con.query(sql_query_cmd, function (err, result, fields) {
                console.log("levenshtein");
                console.log(result);
                var result_vehicle_id;
                var sql_insert_logs_cmd, sql_insert_logs_unknow_cmd;

                //if levenshtein not found plate
                if (result == "") {
                    console.log("Nothing to show");
                    //timestamp in seconds
                    var today = new Date();
                    var currentTimeInInt = Math.round(today.getTime() / 1000);
                    sql_insert_logs_unknow_cmd = "INSERT INTO logs_unknow(`id`,`plate`,`plate_image_in`,`frame_image_in`,`time_in`,`plate_image_out`,`frame_image_out`,`time_out`,`seal_no`,`note`,`factory`) VALUES (" + random.int(1, 1000) + ",'" + req.body.plate + "','1','1'," + currentTimeInInt + ",'1','1',11,'1','1','1')";
                    con.query(sql_insert_logs_unknow_cmd, function (err, result, fields) {
                        if (err)
                            throw err;
                    });
                    console.log("Log unknown done");
                }

                //if levenshtein found plate
                else {
                    console.log("Log to logs table");
                    //get vehicle id in vehicle table
                    con.query("SELECT id FROM vehicle where `plate`='" + result[0].plate + "'", function (err, result_vehicle_id) {
                        if (err)
                            throw err;
                        console.log("result_vehicle_id");
                        console.log(result_vehicle_id[0].id);
                        var today = new Date();
                        var currentTimeInInt = Math.round(today.getTime() / 1000);
                        sql_insert_logs_cmd = "INSERT INTO logs(`id`,`vehicle_id`,`plate_image_in`,`frame_image_in`,`time_in`,`plate_image_out`,`frame_image_out`,`time_out`,`seal_no`,`note`,`factory`) VALUES (" + random.int(1, 1000) + "," + result_vehicle_id[0].id + ",'1','1'," + currentTimeInInt + ",'1','1',11,'1','1','1')";
                        con.query(sql_insert_logs_cmd, function (err, result, fields) {
                            if (err)
                                throw err;
                            console.log("Log done");
                        });
                    });
                }
            });
            const base64Image = req.body.plate_image;
            const imageBuffer = new Buffer(base64Image, "base64");
            fs.writeFileSync("image.jpg", imageBuffer);
            console.log("wrote image");
            check = req.body.plate;
        }
        else {
            console.log("conflic plate");
        }
    });

    res.send({ "status": "Done!" });
};