import L from 'leaflet';

// ── 샘플 데이터 ────────────────────────────────────────────────────────────────
export const SAMPLE_COMPLEXES = [
    {
        id: 1,
        name: '래미안 원베일리',
        address: '서울 서초구 반포동',
        lat: 37.5065,
        lng: 126.9942,
        units: 2990,
        types: ['59㎡', '84㎡', '114㎡'],
        avgPricePerPyeong: 9500,
        subscriptionStart: '2024-01-08',
        subscriptionEnd: '2024-01-10',
        resultDate: '2024-01-15',
        status: '완료',
        priority: 'high',
        tags: ['강남권', '한강뷰', '역세권', '브랜드'],
        naverUrl: '',
        floorPlanUrl: '',
        memo: '반포동 재건축 단지. 경쟁률 수백대 1 예상.',
    },
    {
        id: 2,
        name: '올림픽파크 포레온',
        address: '서울 강동구 둔촌동',
        lat: 37.5284,
        lng: 127.1340,
        units: 12032,
        types: ['39㎡', '49㎡', '59㎡', '84㎡'],
        avgPricePerPyeong: 3800,
        subscriptionStart: '2022-12-05',
        subscriptionEnd: '2022-12-07',
        resultDate: '2022-12-12',
        status: '완료',
        priority: 'high',
        tags: ['대단지', '역세권', '재건축'],
        naverUrl: '',
        floorPlanUrl: '',
        memo: '역대 최대 규모 재건축 단지.',
    },
    {
        id: 3,
        name: '힐스테이트 동탄',
        address: '경기 화성시 동탄2신도시',
        lat: 37.2001,
        lng: 127.0724,
        units: 1534,
        types: ['59㎡', '74㎡', '84㎡'],
        avgPricePerPyeong: 1850,
        subscriptionStart: '2026-04-10',
        subscriptionEnd: '2026-04-12',
        resultDate: '2026-04-17',
        status: '청약예정',
        priority: 'normal',
        tags: ['동탄2', '신도시', 'SRT'],
        naverUrl: '',
        floorPlanUrl: '',
        memo: '동탄 핵심 입지. 교통 개선 기대.',
    },
    {
        id: 4,
        name: '롯데캐슬 마곡',
        address: '서울 강서구 마곡동',
        lat: 37.5626,
        lng: 126.8295,
        units: 868,
        types: ['59㎡', '84㎡'],
        avgPricePerPyeong: 4200,
        subscriptionStart: '2026-03-20',
        subscriptionEnd: '2026-03-22',
        resultDate: '2026-03-27',
        status: '청약중',
        priority: 'high',
        tags: ['마곡', '9호선', '공항철도'],
        naverUrl: '',
        floorPlanUrl: '',
        memo: '마곡 업무지구 직주근접. 강서 핵심 입지.',
    },
];

export const STATUS_CONFIG = {
    '청약예정': { color: '#00d4ff', bg: 'rgba(0,212,255,0.12)' },
    '청약중':   { color: '#34d399', bg: 'rgba(52,211,153,0.12)' },
    '결과발표': { color: '#f59e0b', bg: 'rgba(245,158,11,0.12)' },
    '완료':     { color: '#6b7280', bg: 'rgba(107,114,128,0.10)' },
};

export const PRIORITY_LABELS = { high: '★ 최우선', normal: '보통', low: '낮음' };

export const EMPTY_FORM = {
    name: '', address: '', lat: '', lng: '',
    units: '', types: '', avgPricePerPyeong: '',
    subscriptionStart: '', subscriptionEnd: '', resultDate: '',
    status: '청약예정', priority: 'normal',
    tags: '', naverUrl: '', floorPlanUrl: '', memo: '',
};

export const TABS = ['목록', '일정', '분석'];

// ── 유틸 함수 ──────────────────────────────────────────────────────────────────
export const formatDate = (d) => {
    if (!d) return '-';
    return new Date(d).toLocaleDateString('ko-KR', { year: 'numeric', month: 'long', day: 'numeric' });
};

export const formatPrice = (v) => {
    if (!v) return '-';
    return `${v.toLocaleString()}만원`;
};

export const getDDays = (dateStr) => {
    if (!dateStr) return null;
    const target = new Date(dateStr);
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    target.setHours(0, 0, 0, 0);
    const diff = Math.ceil((target - today) / (1000 * 60 * 60 * 24));
    if (diff === 0) return 'D-Day';
    if (diff > 0) return `D-${diff}`;
    return `D+${Math.abs(diff)}`;
};

export const createMarkerIcon = (status, isSelected = false) => {
    const cfg = STATUS_CONFIG[status] || STATUS_CONFIG['완료'];
    const size = isSelected ? 18 : 12;
    return L.divIcon({
        className: '',
        html: `<div style="
            width:${size}px;height:${size}px;border-radius:50%;
            background:${cfg.color};
            box-shadow:0 0 ${isSelected ? 16 : 8}px ${cfg.color};
            border:2px solid rgba(255,255,255,${isSelected ? 0.6 : 0.25});
            transition:all 0.2s;
        "></div>`,
        iconSize: [size, size],
        iconAnchor: [size / 2, size / 2],
        popupAnchor: [0, -(size / 2 + 4)],
    });
};