#!/usr/bin/env bash
set -euo pipefail

BASE="/home/openclaw/.openclaw/workspace/skills/paradiz/references"
STATE_DIR="/home/openclaw/.openclaw/workspace/.openclaw"
STATE_FILE="$STATE_DIR/paradiz-prices-sync.state"
OUT_FILE="$BASE/prices.csv"
mkdir -p "$STATE_DIR"

python3 - <<'PY'
import csv
import glob
import hashlib
import os
from pathlib import Path

base = Path('/home/openclaw/.openclaw/workspace/skills/paradiz/references')
state_file = Path('/home/openclaw/.openclaw/workspace/.openclaw/paradiz-prices-sync.state')
out_file = base / 'prices.csv'

candidates = sorted(glob.glob(str(base / 'prices_human_*.csv')), key=lambda p: os.path.getmtime(p), reverse=True)
if not candidates:
    raise SystemExit(0)

src = Path(candidates[0])  # берём самый свежий human-файл
raw = src.read_bytes()
sig = hashlib.sha256(raw).hexdigest()
if state_file.exists() and state_file.read_text(encoding='utf-8').strip() == sig:
    raise SystemExit(0)

rows = None
for enc in ('utf-8-sig', 'cp1251', 'utf-8'):
    try:
        txt = raw.decode(enc)
        reader = csv.DictReader(txt.splitlines(), delimiter=';')
        rows = list(reader)
        if reader.fieldnames:
            break
    except Exception:
        continue

if rows is None:
    raise SystemExit(0)

# русские -> канонические поля prices.csv
mapping = {
    'Тип номера': 'room',
    'Период с': 'date_from',
    'Период по': 'date_to',
    'Гостей от': 'guests_min',
    'Гостей до': 'guests_max',
    'Питание': 'meal',
    'Цена за ночь': 'price_per_night',
    'Валюта': 'currency',
    'Примечание': 'notes',
}

fields = ['date_from','date_to','guests_min','guests_max','room','meal','price_per_night','currency','notes']

normalized = []
for r in rows:
    if not r:
        continue
    item = {k: '' for k in fields}
    for ru, canon in mapping.items():
        item[canon] = (r.get(ru, '') or '').strip()

    # cleanup
    if item['currency'].upper() == 'RUB':
        item['currency'] = '₽'
    if item['price_per_night'].endswith(' руб.'):
        item['price_per_night'] = item['price_per_night'].replace(' руб.', '').strip()

    # пропускаем пустые строки
    if not item['room'] or not item['date_from'] or not item['date_to'] or not item['price_per_night']:
        continue
    normalized.append(item)

if not normalized:
    raise SystemExit(0)

with out_file.open('w', encoding='utf-8', newline='') as f:
    w = csv.DictWriter(f, fieldnames=fields)
    w.writeheader()
    w.writerows(normalized)

state_file.write_text(sig, encoding='utf-8')
print(f'synced from {src.name}: {len(normalized)} rows')
PY