import validate from '@zestia/ember-validation';
import {
  present,
  maxLength,
  truthy,
  email,
  date
} from '@zestia/ember-validation/constraints';

const person = {
  id: 1,
  name: '',
  emailAddress: 'joe@bloggs',
  dateOfBirth: null,
  terms: false
};

const constraints = {
  name() {
    return [
      present({ message: 'Please enter your name' }),
      maxLength({ max: 255 })
    ];
  },

  emailAddress() {
    return [present(), email()];
  },

  dateOfBirth() {
    return [present(), date({ format: 'dd/MM/yyyy' })];
  },

  terms() {
    return [truthy({ message: 'Please accept the terms' })];
  }
};

const errors = await validate(person, constraints);

/**
 *  {
 *    name: [
 *      'Please enter your name'
 *    ],
 *    terms: [
 *      'Please accept the terms'
 *    ],
 *    emailAddress: [
 *      'Invalid email'
 *    ],
 *    dateOfBirth: [
 *      'Required value',
 *      'Invalid date, expecting dd/MM/yyyy'
 *    ]
 *  }
 */

const person = {
  firstName: 'Joe',
  lastName: 'Bloggs'
};

const constraints = {
  firstName() {
    return [present()];
  },

  lastName() {
    return [present()];
  },

  name() {
    return [nameIsUnique];
  }
};

const errors = await validate(person, constraints);

/**
 *  {
 *    firstName: null,
 *    lastName: null,
 *    name: ['Must be unique']
 *  }
 */

const names = ['Joe Bloggs'];

function nameIsUnique(value, object) {
  if (names.includes(`${object.firstName} ${object.lastName}`)) {
    return;
  }

  return 'Must be unique';
}

const items = [
  { id: 1, value: '', type: 'text' },
  { id: 2, value: '', type: 'number' },
  { id: 3, value: '', type: 'email' },
  { id: 4, value: '', type: 'date' }
];

const constraints = (item) => {
  return {
    value() {
      switch (item.type) {
        case 'text':
          return [present()];
        case 'number':
          return [present(), number()];
        case: 'email':
          return [present(), email()];
        case: 'date':
          return [present(), date({ format: 'dd/MM/yyyy' })];
        default:
          return [];
      }
    }
  };
}

const errors = await validate(items, constraints);

/*
 *  [
 *    {
 *      value: ['Required value']
 *    },
 *    {
 *      value: ['Required value', 'Invalid number']
 *    },
 *    {
 *      value: ['Required value', 'Invalid email']
 *    },
 *    {
 *      value: ['Required value', 'Invalid date, expecting dd/MM/yyyy']
 *    }
 *  ]
 */