import { forwardRef, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, ChangeDetectorRef, Input, Output, ViewChild, ContentChildren, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { PrimeTemplate, SharedModule } from 'primeng/api';
import { InputTextModule } from 'primeng/inputtext';
import { NG_VALUE_ACCESSOR } from '@angular/forms';

const CHIPS_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => Chips),
    multi: true
};
class Chips {
    constructor(el, cd) {
        this.el = el;
        this.cd = cd;
        this.allowDuplicate = true;
        this.onAdd = new EventEmitter();
        this.onRemove = new EventEmitter();
        this.onFocus = new EventEmitter();
        this.onBlur = new EventEmitter();
        this.onChipClick = new EventEmitter();
        this.onModelChange = () => { };
        this.onModelTouched = () => { };
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'item':
                    this.itemTemplate = item.template;
                    break;
                default:
                    this.itemTemplate = item.template;
                    break;
            }
        });
    }
    onClick() {
        this.inputViewChild.nativeElement.focus();
    }
    onInput() {
        this.updateFilledState();
    }
    onPaste(event) {
        if (this.separator) {
            let pastedData = (event.clipboardData || window['clipboardData']).getData('Text');
            pastedData.split(this.separator).forEach(val => {
                this.addItem(event, val, true);
            });
            this.inputViewChild.nativeElement.value = '';
        }
        this.updateFilledState();
    }
    updateFilledState() {
        if (!this.value || this.value.length === 0) {
            this.filled = (this.inputViewChild.nativeElement && this.inputViewChild.nativeElement.value != '');
        }
        else {
            this.filled = true;
        }
    }
    onItemClick(event, item) {
        this.onChipClick.emit({
            originalEvent: event,
            value: item
        });
    }
    writeValue(value) {
        this.value = value;
        this.updateMaxedOut();
        this.cd.markForCheck();
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
    resolveFieldData(data, field) {
        if (data && field) {
            if (field.indexOf('.') == -1) {
                return data[field];
            }
            else {
                let fields = field.split('.');
                let value = data;
                for (var i = 0, len = fields.length; i < len; ++i) {
                    value = value[fields[i]];
                }
                return value;
            }
        }
        else {
            return null;
        }
    }
    onInputFocus(event) {
        this.focus = true;
        this.onFocus.emit(event);
    }
    onInputBlur(event) {
        this.focus = false;
        if (this.addOnBlur && this.inputViewChild.nativeElement.value) {
            this.addItem(event, this.inputViewChild.nativeElement.value, false);
        }
        this.onModelTouched();
        this.onBlur.emit(event);
    }
    removeItem(event, index) {
        if (this.disabled) {
            return;
        }
        let removedItem = this.value[index];
        this.value = this.value.filter((val, i) => i != index);
        this.onModelChange(this.value);
        this.onRemove.emit({
            originalEvent: event,
            value: removedItem
        });
        this.updateFilledState();
        this.updateMaxedOut();
    }
    addItem(event, item, preventDefault) {
        this.value = this.value || [];
        if (item && item.trim().length) {
            if (this.allowDuplicate || this.value.indexOf(item) === -1) {
                this.value = [...this.value, item];
                this.onModelChange(this.value);
                this.onAdd.emit({
                    originalEvent: event,
                    value: item
                });
            }
        }
        this.updateFilledState();
        this.updateMaxedOut();
        this.inputViewChild.nativeElement.value = '';
        if (preventDefault) {
            event.preventDefault();
        }
    }
    onKeydown(event) {
        switch (event.which) {
            //backspace
            case 8:
                if (this.inputViewChild.nativeElement.value.length === 0 && this.value && this.value.length > 0) {
                    this.value = [...this.value];
                    let removedItem = this.value.pop();
                    this.onModelChange(this.value);
                    this.onRemove.emit({
                        originalEvent: event,
                        value: removedItem
                    });
                    this.updateFilledState();
                }
                break;
            //enter
            case 13:
                this.addItem(event, this.inputViewChild.nativeElement.value, true);
                break;
            case 9:
                if (this.addOnTab && this.inputViewChild.nativeElement.value !== '') {
                    this.addItem(event, this.inputViewChild.nativeElement.value, true);
                }
                break;
            default:
                if (this.max && this.value && this.max === this.value.length) {
                    event.preventDefault();
                }
                else if (this.separator) {
                    if (this.separator === ',' && event.which === 188) {
                        this.addItem(event, this.inputViewChild.nativeElement.value, true);
                    }
                }
                break;
        }
    }
    updateMaxedOut() {
        if (this.inputViewChild && this.inputViewChild.nativeElement) {
            if (this.max && this.value && this.max === this.value.length)
                this.inputViewChild.nativeElement.disabled = true;
            else
                this.inputViewChild.nativeElement.disabled = this.disabled || false;
        }
    }
}
Chips.decorators = [
    { type: Component, args: [{
                selector: 'p-chips',
                template: `
        <div [ngClass]="'p-chips p-component'" [ngStyle]="style" [class]="styleClass" (click)="onClick()">
            <ul [ngClass]="{'p-inputtext p-chips-multiple-container':true,'p-focus':focus,'p-disabled':disabled}">
                <li #token *ngFor="let item of value; let i = index;" class="p-chips-token" (click)="onItemClick($event, item)">
                    <ng-container *ngTemplateOutlet="itemTemplate; context: {$implicit: item}"></ng-container>
                    <span *ngIf="!itemTemplate" class="p-chips-token-label">{{field ? resolveFieldData(item,field) : item}}</span>
                    <span *ngIf="!disabled" class="p-chips-token-icon pi pi-times-circle" (click)="removeItem($event,i)"></span>
                </li>
                <li class="p-chips-input-token">
                    <input #inputtext type="text" [attr.id]="inputId" [attr.placeholder]="(value && value.length ? null : placeholder)" [attr.tabindex]="tabindex" (keydown)="onKeydown($event)"
                    (input)="onInput()" (paste)="onPaste($event)" [attr.aria-labelledby]="ariaLabelledBy" (focus)="onInputFocus($event)" (blur)="onInputBlur($event)" [disabled]="disabled" [ngStyle]="inputStyle" [class]="inputStyleClass">
                </li>
            </ul>
        </div>
    `,
                host: {
                    '[class.p-inputwrapper-filled]': 'filled',
                    '[class.p-inputwrapper-focus]': 'focus'
                },
                providers: [CHIPS_VALUE_ACCESSOR],
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                styles: [".p-chips{display:-ms-inline-flexbox;display:inline-flex}.p-chips-multiple-container{-ms-flex-align:center;align-items:center;cursor:text;display:-ms-flexbox;display:flex;list-style-type:none;margin:0;overflow:hidden;padding:0}.p-chips-token{-ms-flex:0 0 auto;-ms-flex-align:center;align-items:center;cursor:default;flex:0 0 auto}.p-chips-input-token,.p-chips-token{display:-ms-inline-flexbox;display:inline-flex}.p-chips-input-token{-ms-flex:1 1 auto;flex:1 1 auto}.p-chips-token-icon{cursor:pointer}.p-chips-input-token input{background-color:rgba(0,0,0,0);border:0;border-radius:0;box-shadow:none;margin:0;outline:0 none;padding:0;width:100%}.p-fluid .p-chips{display:-ms-flexbox;display:flex}"]
            },] }
];
Chips.ctorParameters = () => [
    { type: ElementRef },
    { type: ChangeDetectorRef }
];
Chips.propDecorators = {
    style: [{ type: Input }],
    styleClass: [{ type: Input }],
    disabled: [{ type: Input }],
    field: [{ type: Input }],
    placeholder: [{ type: Input }],
    max: [{ type: Input }],
    ariaLabelledBy: [{ type: Input }],
    tabindex: [{ type: Input }],
    inputId: [{ type: Input }],
    allowDuplicate: [{ type: Input }],
    inputStyle: [{ type: Input }],
    inputStyleClass: [{ type: Input }],
    addOnTab: [{ type: Input }],
    addOnBlur: [{ type: Input }],
    separator: [{ type: Input }],
    onAdd: [{ type: Output }],
    onRemove: [{ type: Output }],
    onFocus: [{ type: Output }],
    onBlur: [{ type: Output }],
    onChipClick: [{ type: Output }],
    inputViewChild: [{ type: ViewChild, args: ['inputtext',] }],
    templates: [{ type: ContentChildren, args: [PrimeTemplate,] }]
};
class ChipsModule {
}
ChipsModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule, InputTextModule, SharedModule],
                exports: [Chips, InputTextModule, SharedModule],
                declarations: [Chips]
            },] }
];

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

export { CHIPS_VALUE_ACCESSOR, Chips, ChipsModule };
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