script.js

////////////////////////// σε περιπτωση νεου τμηματος, προσθεστε το με την ιδια δομη στην παρακατω λιστα
let thesis_weights = {
    ece : ["ΗΜΤΥ" , 15],
    ceid : ["CEID", 10],
    chemeng_civil: ["Χημικοί/Πολιτικοί Μηχανικοί", 18],
}
let input_counter = Object.keys(thesis_weights).length;


///////////////////////////////////////////////// radio button και πληροφοριες διπλωματικης ανα σχολη
let thesis_weight_info = document.querySelector('.thesis_weight')
let school_selected = document.querySelector(".school-selection")

let checked_radio = 1

for(let thesis_w in thesis_weights){

    ///// πληροφορια για τον συντελεστη διπλωματικης
    const par = document.createElement("p")
    let par_text = document.createTextNode(`${thesis_weights[thesis_w][0]} - συντελεστής διπλωματικής: ${thesis_weights[thesis_w][1]}`);
    par.appendChild(par_text)
    thesis_weight_info.appendChild(par)

    ///// radio button για επιλογη σχολης
    const div_school = document.createElement("div")
    
    let lab = document.createElement("label")
    lab.setAttribute("for",thesis_w)
    let label_text = document.createTextNode(thesis_weights[thesis_w][0])
    lab.appendChild(label_text)

    const radio = document.createElement("input")
    radio.setAttribute("type", "radio")
    radio.setAttribute("id", thesis_w)
    radio.setAttribute("name", "school")
    radio.setAttribute("value", thesis_w)
    if(checked_radio == 1)
        radio.checked = true
    checked_radio=0

    div_school.appendChild(lab)
    div_school.appendChild(radio)
    school_selected.appendChild(div_school)
}


////////////////////////////////////////////////////////////////// import WDPS.xls file function 

let readSingleFileCounter = 0
let lessons11 = 0;
let lessons21 = 0;
let lessons_thesis = 0;
let average = 0

function readSingleFile(evt) {
    var f = evt.target.files[0];
    if (f) {
        var r = new FileReader();
        r.onload = function (e) {
            var contents = e.target.result;
            var ct = r.result;
            var words = ct.split(' ');  //this is not needed

            let input_file_as_text = words.join(); //this is bullshit
            input_file_as_text = input_file_as_text.replace("\n", " "); //remove newline characters
            const regex = /.*([5-9]|10),(0|5).*2.*(1,5|2,0|1,0)/g; // basically match a passing grade (e.g. 8,5 or 10,0 or 5,0) followed by anything and then a "2" (the 2022 following grades in a line, this is to differentiate from other random text that follows thsi pattern) then followed by anything and finally followed by one of 1,0 1,5 1,2
            const found = input_file_as_text.match(regex); //find matches for pattern
            let grade_sum = 0;
            let weight_sum = 0;
            for (let i = 0; i < found.length; i++) {

                line = found[i].replace(/[\u0009]/g, " "); //replace control character to space for spliting later
                let grade = line.split(" ")[5].replace(",", "."); //get 6.5 from 6,5

                let weight = line.split(",,").at(-1).replace(",", ".");
                let mathima = line.split(" ")[4]

                // console.log(i + " " + grade + " " + mathima + " " + weight);

                if (weight == 1.5 || weight == 1.0) {
                    lessons11 = lessons11 + 1;
                }
                if (weight == 2.0) {
                    lessons21 = lessons21 + 1;
                }
                if (weight == '.12,0' && grade >= 5) {     // don't know why .xls has thesis weight like that (this if-block will probably not work for other schools)
                    let school = document.querySelector('input[name="school"]:checked').value;
                    weight = thesis_weights[school][1]
                    thesis_grade = grade
                    lessons_thesis = lessons_thesis + 1;
                }

                grade_sum = grade_sum + parseFloat(grade)*parseFloat(weight);
                weight_sum = weight_sum + parseFloat(weight);
            }

            average = Math.round(100 * grade_sum / weight_sum) / 100;
            document.getElementById("lessons1").value = lessons11;
            document.getElementById("lessons2").value = lessons21;
            document.getElementById("mo").value = average;
            if(lessons_thesis == 1)  {
                thesis_text.innerText = `-> Βαθμός διπλωματικής: ${thesis_grade}`
                thesis_text.style.color = 'red'
                document.getElementById("thesis").disabled = true;
                
            }

            readSingleFileCounter++
            return { lessons11, lessons21, average, readSingleFileCounter }

        }
        r.readAsText(f, "CP1253");

    }
    else {
        alert("Failed to load file");
    }

}
document.getElementById('fileinput').addEventListener('change', readSingleFile, false);

////////////////////////////////////////////////////// read inputs and calculate average 
function getMO() {
    let lessons1, lessons2, mo

    // ελεγχος αν εγινε import του WDP.xls
    if (readSingleFileCounter > 0) {
        lessons1 = lessons11
        lessons2 = lessons21
        mo = average
    }

    else {
        ////////// αριθμος περασμενων μαθηματων + τωρινος Μ.0
        lessons1 = parseInt(Number(document.querySelectorAll('input')[input_counter+1].value));
        lessons2 = parseInt(Number(document.querySelectorAll('input')[input_counter+2].value));
        mo = (document.querySelectorAll('input')[input_counter+3].value);
    }

    ////////// επιλογη σχολης
    let school = document.querySelector('input[name="school"]:checked').value;
    console.log("input_counter", input_counter)

    ////////// διπλωματικη + βαθμοι μαθηματων
    let lesson = document.querySelectorAll('input')
    let inputs1 = []
    let inputs2 = []
    let sum1 = 0
    let sum2 = 0
    for (let i = 3; i < lesson.length - 1; i++) {
        let grade = Number(lesson[i].value)
        if (lesson[i].name == "input1" && grade >= 5 && grade <= 10) {
            inputs1.push(grade * 1.5)
            sum1 = sum1 + grade * 1.5
        }
        if (lesson[i].name == "input2" && grade >= 5 && grade <= 10) {
            inputs2.push(grade * 2)
            sum2 = sum2 + grade * 2
        }
    }
    let length1 = inputs1.length
    let length2 = inputs2.length

    /////// βαθμος και συντελεστης διπλωματικης ανα σχολη
    let thesis = Number(document.getElementById('thesis').value);
    
    let thesis_weight;

    for(let sch in thesis_weights){
        if (school == sch){
            thesis_weight = thesis_weights[sch][1]
        }
    }

    ////////// αρχικος μ.ο και μεταβλητες υπολογισμου
    let grades = (lessons1 > 0 || lessons2 > 0) ? (lessons1 * 1.5 + lessons2 * 2) : window.alert("Δώσε τα περασμένα μαθήματά σου")
    let current = mo * grades
    let lessons = (thesis >= 5 && thesis <= 10) ? (grades + length1 * 1.5 + length2 * 2 + thesis_weight) : (grades + length1 * 1.5 + length2 * 2)

    /// ελεγχοι για τιμες μεταξυ 5 και 10
    thesis = (thesis >= 5 && thesis <= 10) ? thesis : 0
    lessons1 = (lessons1 >= 0 && lessons1 <= 39) ? lessons1 : window.alert("Αρ. μαθημάτων με συντελεστή 1.5 για πτυχίο: 27 μαθήματα κορμού + το πολύ 12 κατεύθυνσης")
    lessons2 = (lessons2 >= 0 && lessons2 <= 27) ? lessons2 : window.alert("Αρ. μαθημάτων με συντελεστή 2 για πτυχίο: 11 μαθήματα κορμού + τουλάχιστον 4 και το πολύ 16 κατεύθυνσης")
    mo = (mo >= 5 && mo <= 10) ? mo : window.alert("Πες την αλήθεια ωρέ, τι Μ.Ο έχεις;")
    
    ////////// νεος Μ.Ο.
    let new_mo = (current + sum1 + sum2 + thesis * thesis_weight) / lessons ;
    new_mo = new_mo.toPrecision(3)
    
    /////////// Πληροφορια για τον νεο ΜΟ
    let show = document.createElement('div')
    let text = show.innerText
    if(school == 'ece')
        show.innerText = `Συγχαρητήρια μηχανευτή. Ο νέος Μ.Ο. σου είναι: ${new_mo}`
    else
        show.innerText = `Συγχαρητήρια! Ο νέος Μ.Ο. σου είναι: ${new_mo}`

    show.style.color = "blue";
    if(!isNaN(new_mo))
        document.querySelector('form').appendChild(show)

}
/////////////////////////////////////////////////////// προσθηκη και αφαιρεση μαθηματων
function addLesson(k) {
        // console.log(`Προστέθηκε μάθημα με συντελεστή: ${k}`)

        let input = document.createElement('input')
        input.type = "number"
        input.placeholder = 0
        input.innerText = "test"
        input.style.color = "black";
        input.style.margin = "5px"
        input.style.value = "0"
        input.style.width = "100px"
        input.min = 5
        input.max = 10
        input.step = 0.5

        let button = document.createElement('button')
        button.textContent = "-"
        button.style.color = "blue"

        if (k == 1.5) {
            input.name = "input1"
            document.getElementById('input1').appendChild(input)
            document.getElementById('input1').appendChild(button)
            button.addEventListener('click', () => {
                input.remove()
                button.remove()
            });
        }
        if (k == 2) {
            input.name = "input2"
            document.getElementById('input2').appendChild(input)
            document.getElementById('input2').appendChild(button)
            button.addEventListener('click', () => {
                input.remove()
                button.remove()
            });
        }
    }