import { EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, Optional, ElementRef, ChangeDetectorRef, Input, ContentChildren, Output, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { trigger, transition, style, animate } from '@angular/animations';
import { MessageService, PrimeTemplate } from 'primeng/api';
import { RippleModule } from 'primeng/ripple';

class Messages {
    constructor(messageService, el, cd) {
        this.messageService = messageService;
        this.el = el;
        this.cd = cd;
        this.closable = true;
        this.enableService = true;
        this.escape = true;
        this.showTransitionOptions = '300ms ease-out';
        this.hideTransitionOptions = '200ms cubic-bezier(0.86, 0, 0.07, 1)';
        this.valueChange = new EventEmitter();
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'content':
                    this.contentTemplate = item.template;
                    break;
                default:
                    this.contentTemplate = item.template;
                    break;
            }
        });
        if (this.messageService && this.enableService && !this.contentTemplate) {
            this.messageSubscription = this.messageService.messageObserver.subscribe((messages) => {
                if (messages) {
                    if (messages instanceof Array) {
                        let filteredMessages = messages.filter(m => this.key === m.key);
                        this.value = this.value ? [...this.value, ...filteredMessages] : [...filteredMessages];
                    }
                    else if (this.key === messages.key) {
                        this.value = this.value ? [...this.value, ...[messages]] : [messages];
                    }
                    this.cd.markForCheck();
                }
            });
            this.clearSubscription = this.messageService.clearObserver.subscribe(key => {
                if (key) {
                    if (this.key === key) {
                        this.value = null;
                    }
                }
                else {
                    this.value = null;
                }
                this.cd.markForCheck();
            });
        }
    }
    hasMessages() {
        let parentEl = this.el.nativeElement.parentElement;
        if (parentEl && parentEl.offsetParent) {
            return this.contentTemplate != null || this.value && this.value.length > 0;
        }
        return false;
    }
    clear() {
        this.value = [];
        this.valueChange.emit(this.value);
    }
    removeMessage(i) {
        this.value = this.value.filter((msg, index) => index !== i);
    }
    get icon() {
        const severity = this.severity || (this.hasMessages() ? this.value[0].severity : null);
        if (this.hasMessages()) {
            switch (severity) {
                case 'success':
                    return 'pi-check';
                    break;
                case 'info':
                    return 'pi-info-circle';
                    break;
                case 'error':
                    return 'pi-times';
                    break;
                case 'warn':
                    return 'pi-exclamation-triangle';
                    break;
                default:
                    return 'pi-info-circle';
                    break;
            }
        }
        return null;
    }
    ngOnDestroy() {
        if (this.messageSubscription) {
            this.messageSubscription.unsubscribe();
        }
        if (this.clearSubscription) {
            this.clearSubscription.unsubscribe();
        }
    }
}
Messages.decorators = [
    { type: Component, args: [{
                selector: 'p-messages',
                template: `
        <div class="p-messages p-component" role="alert" [ngStyle]="style" [class]="styleClass">
            <ng-container *ngIf="!contentTemplate; else staticMessage">
                <div *ngFor="let msg of value; let i=index" [ngClass]="'p-message p-message-' + msg.severity" role="alert" 
                    [@messageAnimation]="{value: 'visible', params: {showTransitionParams: showTransitionOptions, hideTransitionParams: hideTransitionOptions}}">
                    <div class="p-message-wrapper">
                        <span class="p-message-icon pi" [ngClass]="{'pi-info-circle': msg.severity === 'info', 
                            'pi-check': msg.severity === 'success',
                            'pi-exclamation-triangle': msg.severity === 'warn',
                            'pi-times-circle': msg.severity === 'error'}"></span>
                        <ng-container *ngIf="!escape; else escapeOut">
                            <span *ngIf="msg.summary" class="p-message-summary" [innerHTML]="msg.summary"></span>
                            <span *ngIf="msg.detail" class="p-message-detail" [innerHTML]="msg.detail"></span>
                        </ng-container>
                        <ng-template #escapeOut>
                            <span *ngIf="msg.summary" class="p-message-summary">{{msg.summary}}</span>
                            <span *ngIf="msg.detail" class="p-message-detail">{{msg.detail}}</span>
                        </ng-template>
                        <button class="p-message-close p-link" (click)="removeMessage(i)" *ngIf="closable" type="button" pRipple>
                            <i class="p-message-close-icon pi pi-times"></i>
                        </button>
                    </div>
                </div>
            </ng-container>
            <ng-template #staticMessage>
                <div [ngClass]="'p-message p-message-' + severity" role="alert">
                    <div class="p-message-wrapper">
                        <ng-container *ngTemplateOutlet="contentTemplate"></ng-container>
                    </div>
                </div>
            </ng-template>
            </div>
    `,
                animations: [
                    trigger('messageAnimation', [
                        transition(':enter', [
                            style({ opacity: 0, transform: 'translateY(-25%)' }),
                            animate('{{showTransitionParams}}')
                        ]),
                        transition(':leave', [
                            animate('{{hideTransitionParams}}', style({ height: 0, marginTop: 0, marginBottom: 0, marginLeft: 0, marginRight: 0, overflow: 'hidden', opacity: 0 }))
                        ])
                    ])
                ],
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                styles: [".p-message-close,.p-message-wrapper{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex}.p-message-close{-ms-flex-pack:center;justify-content:center}.p-message-close.p-link{margin-left:auto;overflow:hidden;position:relative}"]
            },] }
];
Messages.ctorParameters = () => [
    { type: MessageService, decorators: [{ type: Optional }] },
    { type: ElementRef },
    { type: ChangeDetectorRef }
];
Messages.propDecorators = {
    value: [{ type: Input }],
    closable: [{ type: Input }],
    style: [{ type: Input }],
    styleClass: [{ type: Input }],
    enableService: [{ type: Input }],
    key: [{ type: Input }],
    escape: [{ type: Input }],
    severity: [{ type: Input }],
    showTransitionOptions: [{ type: Input }],
    hideTransitionOptions: [{ type: Input }],
    templates: [{ type: ContentChildren, args: [PrimeTemplate,] }],
    valueChange: [{ type: Output }]
};
class MessagesModule {
}
MessagesModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule, RippleModule],
                exports: [Messages],
                declarations: [Messages]
            },] }
];

/**
 * Generated bundle index. Do not edit.
 */

export { Messages, MessagesModule };
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