import { Component, OnInit } from "@angular/core";
import { PageRoute, RouterExtensions } from "nativescript-angular/router";

import { Customer } from "../shared/customer.model";
import { CustomerService } from "../shared/customer.service";

/* ***********************************************************
* This is the item details component in the master-detail structure.
* This component retrieves the passed parameter from the master list component,
* finds the data item by this parameter and displays the detailed data item information.
*************************************************************/
@Component({
    selector: "CustomerDetail",
    moduleId: module.id,
    templateUrl: "./customer-detail.component.html"
})
export class CustomerDetailComponent implements OnInit {
    private _customer: Customer;

    constructor(
        private _customerService: CustomerService,
        private _pageRoute: PageRoute,
        private _routerExtensions: RouterExtensions
    ) { }

    /* ***********************************************************
    * Use the "ngOnInit" handler to get the data item id parameter passed through navigation.
    * Get the data item details from the data service using this id and assign it to the
    * private property that holds it inside the component.
    *************************************************************/
    ngOnInit(): void {
        /* ***********************************************************
        * Learn more about how to get navigation parameters in this documentation article:
        * http://docs.nativescript.org/angular/core-concepts/angular-navigation.html#passing-parameter
        *************************************************************/
        this._pageRoute.activatedRoute
            .switchMap((activatedRoute) => activatedRoute.params)
            .forEach((params) => {
                const customerId = params.id;

                this._customer = this._customerService.getCustomerById(customerId);
            });
    }

    get customer(): Customer {
        return this._customer;
    }

    /* ***********************************************************
    * The back button is essential for a master-detail feature.
    *************************************************************/
    onBackButtonTap(): void {
        this._routerExtensions.backToPreviousPage();
    }

    /* ***********************************************************
    * The master-detail template comes with an example of an item edit page.
    * Check out the edit page in the /customers/customer-detail-edit folder.
    *************************************************************/
    onEditButtonTap(): void {
        this._routerExtensions.navigate(["/customers/customer-detail-edit", this._customer._id, false],
            {
                animated: true,
                transition: {
                    name: "slideTop",
                    duration: 200,
                    curve: "ease"
                }
            });
    }
}