import sqlite3
import requests
import time

# ======================
# CONFIG
# ======================

DB_PATH = "rokky.db"

API_URL = "https://seller.ggsel.com/api_sellers/api/product/edit/prices"
TOKEN = "YOUR_TOKEN"

BATCH_SIZE = 200   # сколько товаров за раз отправлять
SLEEP_BETWEEN = 1  # задержка между батчами (сек)

# ======================
# DB
# ======================

def get_products_for_update(conn):
    cursor = conn.cursor()

    cursor.execute("""
    SELECT product_id, price
    FROM products
    WHERE product_id IS NOT NULL
      AND price IS NOT NULL
    """)

    return cursor.fetchall()


# ======================
# BUILD PAYLOAD
# ======================

def build_payload(rows):
    payload = []

    for product_id, price in rows:
        payload.append({
            "product_id": int(product_id),
            "price": float(price)
        })

    return payload


# ======================
# CHUNKING
# ======================

def chunked(data, size):
    for i in range(0, len(data), size):
        yield data[i:i + size]


# ======================
# SEND REQUEST
# ======================

def send_prices(payload):
    try:
        response = requests.post(
            f"{API_URL}?token={TOKEN}",
            json=payload,
            timeout=30
        )

        print("STATUS:", response.status_code)

        if response.status_code != 200:
            print("ERROR:", response.text)
            return None

        data = response.json()
        print("RESPONSE:", data)

        return data

    except Exception as e:
        print("REQUEST ERROR:", e)
        return None


# ======================
# SYNC
# ======================

def sync_prices():
    conn = sqlite3.connect(DB_PATH)

    rows = get_products_for_update(conn)
    payload = build_payload(rows)

    total = len(payload)
    print(f"Всего товаров: {total}")

    if total == 0:
        print("Нет данных для обновления")
        return

    sent = 0

    for batch in chunked(payload, BATCH_SIZE):
        print(f"\nОтправка: {sent} → {sent + len(batch)}")

        result = send_prices(batch)

        if result is None:
            print("Ошибка при отправке, стоп")
            break

        sent += len(batch)

        time.sleep(SLEEP_BETWEEN)

    print(f"\nГотово. Отправлено: {sent}/{total}")

    conn.close()


# ======================
# RUN
# ======================

if __name__ == "__main__":
    sync_prices()