"""CLI entry point for price comparison."""
import argparse
import asyncio
from price_compare.service import PriceCompareService
def format_price(price: int) -> str:
"""Format price with thousand separators."""
return f"${price:,}"
async def run(
query: str,
top_n: int = 10,
min_price: int = 0,
max_price: int = 0,
descending: bool = False,
) -> None:
"""Run price comparison and display results."""
print(f"\n搜尋商品: {query}")
if min_price > 0 or max_price > 0:
price_range = []
if min_price > 0:
price_range.append(f"最低 ${min_price:,}")
if max_price > 0:
price_range.append(f"最高 ${max_price:,}")
print(f"價格範圍: {' ~ '.join(price_range)}")
if descending:
print("排序: 高→低")
print("=" * 60)
service = PriceCompareService()
products = await service.get_cheapest(query, top_n, min_price=min_price, max_price=max_price, descending=descending)
if not products:
print("找不到任何商品")
return
print(f"\n找到 {len(products)} 筆商品:\n")
for i, product in enumerate(products, 1):
print(f"{i:2}. [{product.platform:7}] {format_price(product.price):>10}")
print(f" 商品: {product.name[:50]}{'...' if len(product.name) > 50 else ''}")
print(f" 網址: {product.url}")
print()
def main() -> None:
parser = argparse.ArgumentParser(description="比價工具 - 搜尋 momo 與 PChome 最低價商品")
parser.add_argument("query", help="搜尋關鍵字")
parser.add_argument("-n", "--top", type=int, default=10, help="顯示筆數 (預設: 10)")
parser.add_argument("--min", type=int, default=0, help="最低價格過濾")
parser.add_argument("--max", type=int, default=0, help="最高價格過濾")
parser.add_argument("--desc", action="store_true", help="價格由高到低排序")
args = parser.parse_args()
asyncio.run(run(args.query, args.top, args.min, args.max, args.desc))
if __name__ == "__main__":
main()
