"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildMonthRows = buildMonthRows;
function formatDateKey(y, m, d) {
    return `${y}-${String(m).padStart(2, "0")}-${String(d).padStart(2, "0")}`;
}
/**
 * 当月日历网格（周一至周日），含首尾空白格。
 */
function buildMonthRows(year, month, plansByDate) {
    const firstDay = new Date(year, month - 1, 1);
    const daysInMonth = new Date(year, month, 0).getDate();
    const startOffset = (firstDay.getDay() + 6) % 7;
    const today = new Date();
    const todayKey = formatDateKey(today.getFullYear(), today.getMonth() + 1, today.getDate());
    const cells = [];
    for (let i = 0; i < startOffset; i++) {
        cells.push({
            day: null,
            dateKey: null,
            isToday: false,
            plans: [],
        });
    }
    for (let d = 1; d <= daysInMonth; d++) {
        const key = formatDateKey(year, month, d);
        cells.push({
            day: d,
            dateKey: key,
            isToday: key === todayKey,
            plans: plansByDate[key] ?? [],
        });
    }
    while (cells.length % 7 !== 0) {
        cells.push({
            day: null,
            dateKey: null,
            isToday: false,
            plans: [],
        });
    }
    const rows = [];
    for (let i = 0; i < cells.length; i += 7) {
        rows.push(cells.slice(i, i + 7));
    }
    return rows;
}
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