const Joi = require('joi');

/**
 * Joi 输入校验中间件
 */
const validate = (schema) => {
  return (req, res, next) => {
    const { error } = schema.validate(req.body, { abortEarly: true });
    if (error) {
      return res.status(400).json({
        success: false,
        message: '输入校验失败: ' + error.details[0].message
      });
    }
    next();
  };
};

module.exports = { validate };

// ─── 常用校验 Schema ───────────────────────────────────────────

const schemas = {
  // 骑手登录
  login: Joi.object({
    phone: Joi.string().pattern(/^1[3-9]\d{9}$/).required(),
    password: Joi.string().min(6).max(20).required()
  }),

  // 车辆创建/更新
  vehicle: Joi.object({
    storeId: Joi.string().allow(''),
    frameNumber: Joi.string().allow(''),
    plateNumber: Joi.string().allow(''),
    brand: Joi.string().allow(''),
    vehicleType: Joi.string().allow(''),
    color: Joi.string().allow(''),
    batteryType: Joi.string().allow(''),
    batteryCapacity: Joi.number().min(0).max(200),
    batteryStatus: Joi.string().valid('正常', '老化', '待更换'),
    status: Joi.string().valid('空闲', '在租', '维修中', '已报废', '待回收')
  }),

  // 订单
  order: Joi.object({
    customer: Joi.string().allow(''),
    vehicle: Joi.string().allow(''),
    contractMonths: Joi.number().min(0).allow(''),
    startDate: Joi.date().allow(''),
    endDate: Joi.date().allow(''),
    rentalFee: Joi.number().min(0).allow(''),
    deposit: Joi.number().min(0).allow(''),
    orderType: Joi.string().allow('')
  }),

  // 客户
  customer: Joi.object({
    name: Joi.string().min(1).max(50).required(),
    phone: Joi.string().pattern(/^1[3-9]\d{9}$/).required(),
    idCard: Joi.string().allow(''),
    address: Joi.string().allow(''),
    email: Joi.string().email().allow('')
  }),

  // 门店
  store: Joi.object({
    name: Joi.string().min(1).max(100).required(),
    address: Joi.string().allow(''),
    phone: Joi.string().allow(''),
    manager: Joi.string().allow(''),
    status: Joi.string().valid('营业中', '休息中', '已关闭')
  })
};

module.exports.schemas = schemas;