// 先天八卦数：乾1 兑2 离3 震4 巽5 坎6 艮7 坤8
export const TRIGRAMS = {
    1: { number: 1, name: '乾', symbol: '☰', element: '金', direction: '西北', attribute: '天', bodyPart: '头/骨/肺', family: '父', nature: '刚健' },
    2: { number: 2, name: '兑', symbol: '☱', element: '金', direction: '西', attribute: '泽', bodyPart: '口/肺', family: '少女', nature: '喜悦' },
    3: { number: 3, name: '离', symbol: '☲', element: '火', direction: '南', attribute: '火', bodyPart: '目/心', family: '中女', nature: '文明' },
    4: { number: 4, name: '震', symbol: '☳', element: '木', direction: '东', attribute: '雷', bodyPart: '足/肝', family: '长男', nature: '动' },
    5: { number: 5, name: '巽', symbol: '☴', element: '木', direction: '东南', attribute: '风', bodyPart: '股/胆', family: '长女', nature: '入' },
    6: { number: 6, name: '坎', symbol: '☵', element: '水', direction: '北', attribute: '水', bodyPart: '耳/肾', family: '中男', nature: '陷' },
    7: { number: 7, name: '艮', symbol: '☶', element: '土', direction: '东北', attribute: '山', bodyPart: '手/脾', family: '少男', nature: '止' },
    8: { number: 8, name: '坤', symbol: '☷', element: '土', direction: '西南', attribute: '地', bodyPart: '腹/胃', family: '母', nature: '顺' },
};
// 五行生克
export const WUXING_SHENG = {
    '木': '火', '火': '土', '土': '金', '金': '水', '水': '木'
};
export const WUXING_KE = {
    '木': '土', '土': '水', '水': '火', '火': '金', '金': '木'
};
// 判断生克关系
export function getRelation(a, b) {
    if (WUXING_SHENG[a] === b)
        return `${a}生${b}（我生）`;
    if (WUXING_SHENG[b] === a)
        return `${b}生${a}（生我）`;
    if (WUXING_KE[a] === b)
        return `${a}克${b}（我克）`;
    if (WUXING_KE[b] === a)
        return `${b}克${a}（克我）`;
    return `${a}与${b}比和`;
}
// 获取卦象（上卦+下卦 → 卦名）
export function getTrigramByNumber(n) {
    // 数字取卦：除8取余，整除取8(坤)
    const remainder = n % 8;
    const key = remainder === 0 ? 8 : remainder;
    return TRIGRAMS[key];
}