script.js

class Date {
    constructor(amete_mihret) {
        this.amete_mihret = amete_mihret;
        this.amete_alem = this.amete_mihret + 5500;
        this.amete_wengel = this.amete_wengel_list[this.amete_alem % 4];
        this.metene_rabit = Math.floor(this.amete_alem / 4);
        this.amete_total = this.amete_alem + this.metene_rabit + 2;
        this.new_year_day = (
            `${this.new_year_day_name[this.amete_total % 7]} ${this.months[1]} 1`
        )
        this.medeb = this.amete_alem % 19;
        this.wenber = this.medeb == 0 ? 18 : this.medeb - 1;
        this.abeqte = (
            this.wenber * 11 >= 30 ? (this.wenber * 11) % 30 : this.wenber * 11
        )
        this.metqe = 30 - this.abeqte;
        this.beale_metqe = this.find_beale_metqe();
        this.tewsak = this.find_tewsak();
        this.mebaja_hamer = ((this.tewsak == 0 || this.tewsak == 30) ? this.tewsak : (this.metqe + this.tewsak) % 30);
        this.tsome_nenewe_ = this.find_tsome_nenewe(this.beale_metqe, this.mebaja_hamer)
        this.tsome_nenewe = `${this.day_name(this.tsome_nenewe_)} ${this.tsome_nenewe_}`
        this.abiy_tsom = this.day_of_the_holiday(14)
        this.debre_zeyit = this.day_of_the_holiday(41)
        this.hosaina = this.day_of_the_holiday(62)
        this.seqlet = this.day_of_the_holiday(67)
        this.fasika = this.day_of_the_holiday(69)
        this.erkibe_kahinat = this.day_of_the_holiday(93)
        this.erget = this.day_of_the_holiday(108)
        this.peraclitos = this.day_of_the_holiday(118)
        this.tsome_hawariyat = this.day_of_the_holiday(119)
        this.tsome_dihinet = this.day_of_the_holiday(121)
        this.gena = ((this.amete_wengel != "ዘመነ ዮሐንስ") ? `${this.day_name('ታህሳስ 29')} ታህሳስ 29` : `${this.day_name('ታህሳስ 28')} ታህሳስ 28`
        )
        this.timket = `${this.day_name('ጥር 11')} ጥር 11`
        this.kana_zegelila = `${this.day_name('ጥር 12')} ጥር 12`
        this.mesqel = `${this.day_name('መስከረም 17')} መስከረም 17`
        this.beale_tsinset = `${this.day_name('መጋቢት 29')} መጋቢት 29`
        this.beale_simeon = `${this.day_name('የካቲት 8')} የካቲት 8`
        this.beale_girizat = `${this.day_name('ጥር 6')} ጥር 6`
        this.genbot_lideta = `${this.day_name('ግንቦት 1')} ግንቦት 1`
        this.debre_tabor = `${this.day_name('ነሐሴ 13')} ነሐሴ 13`
        this.tsome_lidet = ((this.amete_wengel != `ዘመነ ዮሐንስ`) ? `${this.day_name('ህዳር 16')} ህዳር 16` : `${this.day_name('ህዳር 15')} ህዳር 15`)
        this.day_of_timket = this.day_name(`ጥር 11`)
        this.tsome_filseta = `${this.day_name('ነሐሴ 1')} ነሐሴ 1`
        this.tsome_filseta_mefchiya = `${this.day_name('ነሐሴ 16')} ነሐሴ 16`
        this.print_title_list = [
            "እንቁጣጣሽ",
            "መስቅል",
            "የገና ፆም",
            "ገና",
            "ጥምቀት",
            "ቃና ዘገሊላ",
            "ጾመ ነነዌ",
            "በዓለ ስምዖን",
            "ጾመ አብይ(ሁዳዴ)",
            "በአለ መስቀል ደብረዘይት",
            "በዓለ ትንሰት",
            "ሆሳዕና",
            "ስቅለት",
            "ፋሲካ",
            "ግንቦት ልደታ",
            "ርክበ ካህናት",
            "ዕርገት",
            "ጰራቅሊጦስ",
            "ጾመ ሃዋርያት(የሰኔ ጾም)",
            "ጾመ ድህነት",
            "ጾመ ፍልሰታ",
            "ደብልታቦር(ቡሄ)",
            "ጾመ ፍልሰታ መፍቻ",
        ]
        this.print_value_list = [
            this.new_year_day,
            this.mesqel,
            this.tsome_lidet,
            this.gena,
            this.timket,
            this.kana_zegelila,
            this.tsome_nenewe,
            this.beale_simeon,
            this.abiy_tsom,
            this.debre_zeyit,
            this.beale_tsinset,
            this.hosaina,
            this.seqlet,
            this.fasika,
            this.genbot_lideta,
            this.erkibe_kahinat,
            this.erget,
            this.peraclitos,
            this.tsome_hawariyat,
            this.tsome_dihinet,
            this.tsome_filseta,
            this.debre_tabor,
            this.tsome_filseta_mefchiya,
        ]
    }
    day_name(month_day_string) {
        /* """The function finds the name of the day like Monday,... when the parameter is a month and day string""" */
        let [month, day] = month_day_string.split(" ")
        return this.name_of_the_day[
            (
                this.yon[this.new_year_day_name[this.amete_total % 7]]
                + this.astifeWer[month]
                + parseInt(day)
            )
            % 7
        ]
    }

    find_tsome_nenewe() {
        // The function finds the day of nenewe fasting starts
        let [m, d] = this.beale_metqe.split(" ");
        if (this.mebaja_hamer > 30) {
            return `የካቲት ${this.mebaja_hamer % 30}`;
        } else if (parseInt(d) === 0 || parseInt(d) === 30) {
            return `የካቲት ${this.mebaja_hamer}`;
        } else if (m === "መስከረም") {
            return `ጥር ${this.mebaja_hamer}`;
        } else if (m === "ጥቅምት") {
            return `የካቲት ${this.mebaja_hamer}`;
        }
    }

    find_name_of_the_day(day, month) {
        /* """Finds the name of the day like the first function but the parameter is a separated day and month variable""" */
        return this.name_of_the_day[
            (
                this.yon[this.new_year_day_name[this.amete_total % 7]]
                + this.astifeWer[month]
                + day
            )
            % 7
        ]
    }


    find_beale_metqe() {
        // The function finds Beale Metqe which is needed for further calculations to compute the day of other holidays
        if (30 > this.metqe && this.metqe >= 15) {
            return `${this.months[1]} ${this.metqe}`;
        } else if (13 > this.metqe && this.metqe >= 2) {
            return `${this.months[2]} ${this.metqe}`;
        } else {
            return `${this.months[1]} 30`;
        }
    }

    find_tewsak() {
        /*  Finds Tewsak which is needed for further calculation to find the day of the holidays"" */
        let [m, d] = this.beale_metqe.split(" ");
        return this.elete_tewsag[this.find_name_of_the_day(parseInt(d), m)];
    }
    day_of_the_holiday(tewsak) {
        let [m, d] = this.tsome_nenewe_.split(" ");
        let Cdate = parseInt(d) + parseInt(tewsak);
        let month_incriment = 0;
        while (Cdate > 30) {
            Cdate -= 30;
            month_incriment += 1;
        }
        if (tewsak == 14) {
            m = this.months[this.Hmonth[m] + month_incriment < 6 ? 6 : this.Hmonth[m] + month_incriment];
        } else {
            m = this.months[this.Hmonth[m] + month_incriment];
        }
        let month_day = `${m} ${Cdate}`;
        return `${this.day_name(month_day)}, ${month_day}`;
    }

    /*  The following lists and dictionaries are the data used to find the days of the holidays.  */
    elete_tewsag = {
        "እሁድ": 7,
        "ሰኞ": 6,
        "ማክሰኞ": 5,
        "ረቡዕ": 4,
        "ሐሙስ": 3,
        "አርብ": 2,
        "ቅዳሜ": 8,
    }
    amete_wengel_list = { 0: "ዘመነ ዮሐንስ", 1: "ዘመነ ማቴዎስ", 2: "ዘመነ ማርቆስ", 3: "ዘመነ ሉቃስ" }
    new_year_day_name = {
        1: "እሁድ",
        2: "ሰኞ",
        3: "ማክሰኞ",
        4: "ረቡዕ",
        5: "ሐሙስ",
        6: "አርብ",
        0: "ቅዳሜ",
    }
    months = {
        1: "መስከረም",
        2: "ጥቅምት",
        3: "ህዳር",
        4: "ታህሳስ",
        5: "ጥር",
        6: "የካቲት",
        7: "መጋቢት",
        8: "ሚያዝያ",
        9: "ግንቦት",
        10: "ሰኔ",
        11: "ሀምሌ",
        12: "ነሐሴ",
    }
    Hmonth = {
        "መስከረም": 1,
        "ጥቅምት": 2,
        "ህዳር": 3,
        "ታህሳስ": 4,
        "ጥር": 5,
        "የካቲት": 6,
        "መጋቢት": 7,
        "ሚያዝያ": 8,
        "ግንቦት": 9,
        "ሰኔ": 10,
        "ሀምሌ": 11,
        "ነሐሴ": 12,
    }
    yon = { "እሁድ": 5, "ሰኞ": 6, "ማክሰኞ": 7, "ረቡዕ": 1, "ሐሙስ": 2, "አርብ": 3, "ቅዳሜ": 4 }
    astifeWer = {
        "መስከረም": 2,
        "ጥቅምት": 4,
        "ህዳር": 6,
        "ታህሳስ": 8,
        "ጥር": 10,
        "የካቲት": 12,
        "መጋቢት": 14,
        "ሚያዝያ": 16,
        "ግንቦት": 18,
        "ሰኔ": 20,
        "ሀምሌ": 22,
        "ነሐሴ": 24,
    }
    name_of_the_day = this.new_year_day_name
}
// Get the submit button and input field from the DOM
const submitButton = document.getElementById("submit");
const inputNumber = document.getElementById("inputNumber");

// Function to add the values to the table
function addValuesToTable(list1, list2) {
    // Get the table element from the DOM
    const table = document.getElementById("dynamicTable");
    // Loop through the lists and insert the values into the table
    for (let i = 0; i < Math.max(list1.length, list2.length); i++) {
        const row = table.insertRow(-1);
        const cell1 = row.insertCell(0);
        const cell2 = row.insertCell(1);
        cell1.innerHTML = list1[i] || '';
        cell2.innerHTML = list2[i] || '';
    }
}

// Function to handle form submission
function handleSubmit() {
    // Get the value from the input field and convert it to a number
    const inputYear = parseInt(inputNumber.value);
    // Check if the input is a valid year (not empty and not negative)
    if (!inputYear || inputYear < 0) {
        alert("Please enter a valid year");
        return;
    }
    // Create a new Date object with the input year
    const year = new Date(inputYear);
    // Get the table element from the DOM
    const table = document.getElementById("dynamicTable");
    // Remove all rows from the table except for the first row (titles)
    for (let i = table.rows.length - 1; i > 0; i--) {
        table.deleteRow(i);
    }
    // Add the values to the table
    addValuesToTable(year.print_title_list, year.print_value_list);
}

// Attach event listeners to the submit button and input field
submitButton.addEventListener("click", handleSubmit);
inputNumber.addEventListener("keydown", function (event) {
    if (event.key === "Enter") {
        handleSubmit();
        inputNumber.blur();
    }
});