import { Inject, Component, OnInit, OnDestroy, ViewEncapsulation } from '@angular/core';
import { MatDialog, MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
import { MatSlideToggleChange } from '@angular/material/slide-toggle';
import { UntypedFormBuilder, Validators, UntypedFormGroup, FormControl } from '@angular/forms';
import { Observable } from 'rxjs';
import { Owner } from '../owner.model';
import { XeroService } from '../xero.service';

import { NotifierService } from '../notifier.service';
import { faCopy } from '@fortawesome/free-solid-svg-icons';


@Component({
	selector: 'app-settings',
	templateUrl: './settings.component.html',
	styleUrls: ['/settings.component.css']
})

export class SettingsComponent implements OnInit {

 	// ------------------------------------
	//
	faCopy = faCopy;
 	// ------------------------------------
	settingsForm: UntypedFormGroup;
	owner: Owner;
	useZats: boolean;
	proVersion: boolean = false;
	useVKey: boolean = false;
	linkMsg: String = 'Link to Xero';
	
	coins = [
		{
			label: 'US Dollar',
			symbol: 'usd'
		},{
			label: 'Euro',
			symbol: 'eur'
		},{
			label: 'British Pound',
			symbol: 'gbp'
		},{
			label: 'Canadian Dollar',
			symbol: 'cad'
		},{
			label: 'Australian Dollar',
			symbol: 'aud'
		}
	];
	xeroLink: string = '';
	localToken: string = '';
	clientId: string = '';
	clientIdUpdate: Observable<string>;
	linked2Xero : boolean = false;
	pmtServiceURL : string = '';

	constructor(
		private notifierService : NotifierService,
		private fb: UntypedFormBuilder,
		public xeroService: XeroService,
		private dialogRef: MatDialogRef<SettingsComponent>,
		@Inject(MAT_DIALOG_DATA) public data: Owner) {
			this.useZats = data.zats;
			this.useVKey = data.payconf;
			this.settingsForm = fb.group({
				name: [data.name, Validators.required],
				currency: [data.currency, Validators.required],
				useZats: [data.zats,  Validators.required],
				useVKey: [data.payconf, Validators.required],
//				proVersion: [data.invoices, Validators.required],
				vKey: [data.viewkey]
			});
			if (data.payconf) {
				this.settingsForm.get('vKey')!.enable();
			}
			this.owner = data;
			this.proVersion = this.owner.invoices;
			if ( this.owner.crmToken !== '' ) {
			  this.linked2Xero = true;	
			}
			this.clientIdUpdate = xeroService.clientIdUpdate;
			xeroService.getXeroConfig();
			this.clientIdUpdate.subscribe(clientId => {
				this.clientId = clientId;
				this.xeroLink = `https://login.xero.com/identity/connect/authorize?response_type=code&client_id=${this.clientId}&redirect_uri=http%3A%2F%2Flocalhost%3A4200%2Ftest&scope=accounting.transactions offline_access&state=${this.owner.address.substring(0, 6)}`
			});
	}

	ngOnInit() {
	      this.settingsForm.get('vKey')!.disable();
	      this.linkMsg = 'Link to Xero';
	      this.pmtServiceURL + '';
	      if ( this.linked2Xero ) {
	      	this.linkMsg = 'Relink to Xero';
	      	this.pmtServiceURL = 'https://zgo.cash/pmtservice?owner=' + 
	      	                     this.owner._id + 
	      	                     '&invoiceNo=[INVOICENUMBER]&currency=[CURRENCY]&amount=[AMOUNTDUE]&shortCode=[SHORTCODE]';
	      }
	}

	safeURL(s: string){
		return s.replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_');
	}

	close() {
		this.dialogRef.close();
	}

	save() {
		this.owner.name = this.settingsForm.value.name;
		this.owner.currency = this.settingsForm.value.currency;
		this.owner.zats = this.settingsForm.value.useZats;
		this.owner.payconf = this.settingsForm.value.useVKey;
		this.owner.viewkey = this.settingsForm.value.vKey;
		this.owner.invoices = this.settingsForm.value.proVersion
		this.dialogRef.close(this.owner);
	}

	onChange(ob: MatSlideToggleChange) {
		this.useZats = ob.checked;
	}

	onChangeProVersion(ob: MatSlideToggleChange) {
		this.proVersion = ob.checked;
	}

	onChangeVKeyOn(ob: MatSlideToggleChange) {
//		console.log("Viewing key switch is " + 
//			        ( ob.checked ? "[ON]." : "[OFF]." ) );
        
        this.useVKey = ob.checked;

	    if ( ob.checked ) 
	      this.settingsForm.get('vKey')!.enable();
	    else 
	      this.settingsForm.get('vKey')!.disable();

	}

	copyUrl() {
//		console.log("Inside copyUrl()");
		if (navigator.clipboard) {
		};
		try {
			navigator.clipboard.writeText(this.pmtServiceURL);
			this.notifierService
			    .showNotification("ZGo URL copied to Clipboard!!","Close",'success');

		} catch (err) {
//			console.error("Error", err);  
			this.notifierService
			    .showNotification("Functionality not available for your browser. Use send button instead.","Close",'error');
		}
	}
}