const schedule = {
"2025-04-20": { mon: "Математика", tue: "Физика", wed: "Химия", thu: "Биология", fri: "География", sat: "История", sun: "" },
"2025-04-27": { mon: "Русский язык", tue: "Литература", wed: "Английский", thu: "Физкультура", fri: "Музыка", sat: "", sun: "" },
// Добавьте другие недели по мере необходимости
};
let currentDate = new Date("2025-04-20");
function updateSchedule() {
const startOfWeek = getStartOfWeek(currentDate);
const weekKey = formatDate(startOfWeek);
const weekSchedule = schedule[weekKey] || {};
document.getElementById("date-mon").textContent = formatDate(startOfWeek);
document.getElementById("date-tue").textContent = formatDate(addDays(startOfWeek, 1));
document.getElementById("date-wed").textContent = formatDate(addDays(startOfWeek, 2));
document.getElementById("date-thu").textContent = formatDate(addDays(startOfWeek, 3));
document.getElementById("date-fri").textContent = formatDate(addDays(startOfWeek, 4));
document.getElementById("date-sat").textContent = formatDate(addDays(startOfWeek, 5));
document.getElementById("date-sun").textContent = formatDate(addDays(startOfWeek, 6));
document.getElementById("mon").textContent = weekSchedule.mon || "";
document.getElementById("tue").textContent = weekSchedule.tue || "";
document.getElementById("wed").textContent = weekSchedule.wed || "";
document.getElementById("thu").textContent = weekSchedule.thu || "";
document.getElementById("fri").textContent = weekSchedule.fri || "";
document.getElementById("sat").textContent = weekSchedule.sat || "";
document.getElementById("sun").textContent = weekSchedule.sun || "";
}
function getStartOfWeek(date) {
const day = date.getDay(),
diff = date.getDate() - day + (day == 0 ? -6 : 1); // adjust when day is sunday
return new Date(date.setDate(diff));
}
function addDays(date, days) {
const result = new Date(date);
result.setDate(result.getDate() + days);
return result;
}
function formatDate(date) {
const day = date.getDate().toString().padStart(2, '0');
const month = (date.getMonth() + 1).toString().padStart(2, '0');
const year = date.getFullYear();
return ${day}.${month}.${year};
}
function prevWeek() {
currentDate.setDate(currentDate.getDate() - 7);
updateSchedule();
}
function nextWeek() {
currentDate.setDate(currentDate.getDate() + 7);
updateSchedule();
}
updateSchedule();