const formatTime = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`
}

const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : `0${n}`
}

const validateForm = (rules,page)=>{
  const result = [];
  for(var key in rules){
    ((rules[key] instanceof Array)?rules[key]:[rules[key]]).map((item)=>{
      let valid = true;
      let value = page.data[key];
      if(typeof value=='string'){
        value = value.trim();
      }
      //非空
      if(item.required){
        if(!value){
          valid = false;
        }
      }else if(item.length){
        //绝对长度
        if(value.length!=item.length){
          valid = false;
        }
      }else if(item.type=='phone'){
        if(value.length!=11){
          valid = false;
        }
      }else if(item.maxLength||item.minLength){
        if(value.length>(item.maxLength||Infinity)||value.length<item.minLength||0){
          valid = false
        }
      }else if(item.min){
        if(value<item.min){
          valid = false;
        }
      }
      if(valid){
        page.setData({
          [`${key}Message`]:''
        });
      }else{
        if(item.message){
          page.setData({
            [`${key}Message`]:item.message
          });
        }
        result.push({
          [key]:item.message,autoFocus:item.autoFocus,key:key,shake:item.shake
        })
      }
    })
  }
  const focusInput = result.find((item)=>item.autoFocus);
  if(focusInput){
    page.setData({
      [`${focusInput.key}Focus`]:true
    })
  }
  const shakeInput = result.find((item)=>item.shake);
  if(shakeInput){
    if(!shakeInput.animation){
      shakeInput.animation = wx.createAnimation({
        duration: 20,
      })
    }
    shakeInput.animation.translateX(10).step();
    shakeInput.animation.translateX(-10).step();
    shakeInput.animation.translateX(10).step();
    shakeInput.animation.translateX(-10).step();
    shakeInput.animation.translateX(5).step();
    shakeInput.animation.translateX(0).step();
    // needSetData[`${key}Animation`] = item.animation.export();
    page.setData({
      [`${shakeInput.key}Animation`]:shakeInput.animation.export()
    })
  }
  return result;
}

module.exports = {
  formatTime,
  validateForm
}