/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import {Component, Injectable, NgModule} from '@angular/core';
import {FormsModule} from '@angular/forms';
import {BrowserModule} from '@angular/platform-browser';
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';

/**
 * You can find the AngularJS implementation of this example here:
 * https://github.com/wardbell/ng1DataBinding
 */

// ---- model

let _nextId = 1;
class Person {
  personId: number;
  mom: Person;
  dad: Person;
  friends: Person[];

  constructor(public firstName: string, public lastName: string, public yearOfBirth: number) {
    this.personId = _nextId++;
    this.firstName = firstName;
    this.lastName = lastName;
    this.mom = null;
    this.dad = null;
    this.friends = [];
    this.personId = _nextId++;
  }

  get age(): number {
    return 2015 - this.yearOfBirth;
  }
  get fullName(): string {
    return `${this.firstName} ${this.lastName}`;
  }
  get friendNames(): string {
    return this.friends.map(f => f.fullName).join(', ');
  }
}



// ---- services

@Injectable()
export class DataService {
  currentPerson: Person;
  persons: Person[];

  constructor() {
    this.persons = [
      new Person('Victor', 'Savkin', 1930), new Person('Igor', 'Minar', 1920),
      new Person('John', 'Papa', 1910), new Person('Nancy', 'Duarte', 1910),
      new Person('Jack', 'Papa', 1910), new Person('Jill', 'Papa', 1910),
      new Person('Ward', 'Bell', 1910), new Person('Robert', 'Bell', 1910),
      new Person('Tracy', 'Ward', 1910), new Person('Dan', 'Wahlin', 1910)
    ];

    this.persons[0].friends = [0, 1, 2, 6, 9].map(_ => this.persons[_]);
    this.persons[1].friends = [0, 2, 6, 9].map(_ => this.persons[_]);
    this.persons[2].friends = [0, 1, 6, 9].map(_ => this.persons[_]);
    this.persons[6].friends = [0, 1, 2, 9].map(_ => this.persons[_]);
    this.persons[9].friends = [0, 1, 2, 6].map(_ => this.persons[_]);

    this.persons[2].mom = this.persons[5];
    this.persons[2].dad = this.persons[4];
    this.persons[6].mom = this.persons[8];
    this.persons[6].dad = this.persons[7];

    this.currentPerson = this.persons[0];
  }
}



// ---- components

@Component({
  selector: 'full-name-cmp',
  template: `
    <h1>Edit Full Name</h1>
    <div>
      <form>
          <div>
            <label>
              First: <input [(ngModel)]="person.firstName" type="text" placeholder="First name"
                            name="firstName">
            </label>
          </div>

          <div>
            <label>
              Last: <input [(ngModel)]="person.lastName" type="text" placeholder="Last name"
                           name="lastName">
            </label>
          </div>

          <div>
            <label>{{person.fullName}}</label>
          </div>
      </form>
    </div>
  `
})
export class FullNameComponent {
  constructor(private _service: DataService) {}
  get person(): Person {
    return this._service.currentPerson;
  }
}

@Component({
  selector: 'person-detail-cmp',
  template: `
    <h2>{{person.fullName}}</h2>

    <div>
      <form>
        <div>
					<label>First: <input [(ngModel)]="person.firstName" type="text" placeholder="First name"
                               name="firstName"></label>
				</div>

        <div>
					<label>Last: <input [(ngModel)]="person.lastName" type="text" placeholder="Last name"
                              name="lastName"></label>
				</div>

        <div>
					<label>Year of birth: <input [(ngModel)]="person.yearOfBirth" type="number" placeholder="Year of birth"
                                       name="yearOfBirth"></label>
          Age: {{person.age}}
				</div>\

        <div *ngIf="person.mom != null">
					<label>Mom:</label>
          <input [(ngModel)]="person.mom.firstName" type="text" placeholder="Mom's first name" name="momFirstName">
          <input [(ngModel)]="person.mom.lastName" type="text" placeholder="Mom's last name" name="momLastName">
          {{person.mom.fullName}}
				</div>

        <div *ngIf="person.dad != null">
					<label>Dad:</label>
          <input [(ngModel)]="person.dad.firstName" type="text" placeholder="Dad's first name"
                 name="dasFirstName">
          <input [(ngModel)]="person.dad.lastName" type="text" placeholder="Dad's last name"
                 name="dadLastName">
          {{person.dad.fullName}}
				</div>

        <div *ngIf="person.friends.length > 0">
					<label>Friends:</label>
          {{person.friendNames}}
				</div>
      </form>
    </div>
  `
})
export class PersonsDetailComponent {
  constructor(private _service: DataService) {}
  get person(): Person {
    return this._service.currentPerson;
  }
}

@Component({
  selector: 'persons-cmp',
  template: `
    <h1>FullName Demo</h1>
    <div>
      <ul>
  		  <li *ngFor="let person of persons">
  			  <label (click)="select(person)">{{person.fullName}}</label>
  			</li>
  	 </ul>

     <person-detail-cmp></person-detail-cmp>
    </div>
  `
})
export class PersonsComponent {
  persons: Person[];

  constructor(private _service: DataService) {
    this.persons = _service.persons;
  }

  select(person: Person): void {
    this._service.currentPerson = person;
  }
}


@Component({
  selector: 'person-management-app',
  viewProviders: [DataService],
  template: `
    <button (click)="switchToEditName()">Edit Full Name</button>
    <button (click)="switchToPersonList()">Person Array</button>

    <full-name-cmp *ngIf="mode == 'editName'"></full-name-cmp>
    <persons-cmp *ngIf="mode == 'personList'"></persons-cmp>
  `
})
export class PersonManagementApplication {
  mode: string;

  switchToEditName(): void {
    this.mode = 'editName';
  }
  switchToPersonList(): void {
    this.mode = 'personList';
  }
}

@NgModule({
  bootstrap: [PersonManagementApplication],
  declarations:
      [PersonManagementApplication, FullNameComponent, PersonsComponent, PersonsDetailComponent],
  imports: [BrowserModule, FormsModule]
})
export class ExampleModule {
}

platformBrowserDynamic().bootstrapModule(ExampleModule);
