from flask import Blueprint, request, jsonify
from app.services.stock_service import StockService
from app.schemas.stock_schema import stock_buy_schema

stocks_bp = Blueprint('stocks', __name__)


@stocks_bp.route('/inbound', methods=['GET'])
def get_inbound_list():
    page = request.args.get('page', 1, type=int)
    limit = request.args.get('pageSize', 10, type=int)

    result = StockService.get_list(page, limit)

    return jsonify({
        'code': 200,
        'msg': 'success',
        'data': result
    })


@stocks_bp.route('/inbound', methods=['POST'])
def create_inbound():
    json_data = request.get_json()
    try:
        # 1. 参数校验
        data = stock_buy_schema.load(json_data)
        # 2. 调用业务逻辑
        new_stock = StockService.create_inbound(data)
        # 3. 返回成功
        return jsonify({
            'code': 200,
            'msg': '入库成功',
            'data': new_stock.to_dict()
        }), 201
    except Exception as e:
        # 捕获 ValueError 或 SQLAlchemyError
        return jsonify({'code': 400, 'msg': str(e)}), 400


@stocks_bp.route('/inbound/<int:id>', methods=['PUT'])
def update_inbound(id):
    json_data = request.get_json()
    try:
        StockService.update_inbound(id, json_data)
        return jsonify({'code': 200, 'msg': '更新成功'})
    except Exception as e:
        return jsonify({'code': 400, 'msg': str(e)}), 400


@stocks_bp.route('/inbound/<int:id>', methods=['DELETE'])
def delete_inbound(id):
    try:
        StockService.delete_inbound(id)
        return jsonify({'code': 200, 'msg': '删除成功'})
    except Exception as e:
        return jsonify({'code': 400, 'msg': str(e)}), 400