import { Injectable } from '@angular/core';
import { Platform, ActionSheetController } from 'ionic-angular'
import { TouchID } from '@ionic-native/touch-id';
import { Modal } from '../modal'
import { FingerOption } from './finger.type'

import { BaseLog as Log } from 'base-log'
const log = new Log('Finger');

@Injectable()
export class Finger {

  constructor(
    public modal:Modal,
    public platform: Platform,
    public actionSheetCtrl:ActionSheetController,
    public touchID:TouchID
  ) { }

  defaultOption:FingerOption = {
    title:'通过Home键验证已有手机指纹',
    enterText:'验证登录密码',
  }

  isAvailable = () => {
    return new Promise((resolve, reject)=>{
      //resolve(true);
      // ios
      if(!this.touchID || !this.touchID.isAvailable){
        resolve(false);
      }else {
        return this.touchID.isAvailable().then((type)=>{
          log.info('touchID type',type,2);
          resolve(type == 'touch' ? true : false);
        },(error)=>{
          log.info('error',error,2);
          resolve(false);
        });
      }
    })
  }

  // 验证指纹
  check = (option?:FingerOption, enterHander?) => {
    option = Object.assign({},this.defaultOption, option);
    return this.touchID.isAvailable().then(()=>{
      return this.touchID.verifyFingerprintWithCustomPasswordFallbackAndEnterPasswordLabel(option.title,option.enterText);
    },(error)=>{
      log.info('finger error',JSON.stringify(error),true);
      // 锁住状态则直接弹passcode
      if(error.code == -8) {
        return this.touchID.verifyFingerprint(option.title).then(() => {
          return this.touchID.verifyFingerprintWithCustomPasswordFallbackAndEnterPasswordLabel(option.title,option.enterText);
        });
      }else if(error.code == '-5' || error.code == '-6' || error.code == '-7'){
        // 指纹是否可用
        this.modal.tip('您尚未开启指纹功能,请在 设置 -> Touch ID与密码 中开启!');
      }else{
        this.modal.tip('请确保您的指纹功能已开启，请在 设置 -> Touch ID与密码 中查看!');
      }
      return Promise.reject(error);
    }).then(()=>{
      // 成功后回调
      return Promise.resolve(true);
    },(err)=>{
      log.info('finger err',JSON.stringify(err));
      // -1 错误3次，需提示并重新让用户点击
      // -2 点击取消按钮
      // -3 点击自定义按钮
      // -8 错误太多锁住，需调用默认方法
      if(err.code == -3){
        if(enterHander) enterHander();
      }else if(err.code == -1){
        this.modal.tip('指纹不匹配!');
        return Promise.reject(err);
      }else{
        return Promise.reject(err);
      }
    });
  }
}