/*
 * -
 *  ============LICENSE_START=======================================================
 *  Copyright (C) 2022 Nordix Foundation.
 *  ================================================================================
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  SPDX-License-Identifier: Apache-2.0
 *  ============LICENSE_END=========================================================
 */

import {Component, EventEmitter, Input, Output} from '@angular/core';
import {InputOperationParameter} from "../../../../../../models/interfaceOperation";
import {DataTypeModel} from "../../../../../../models/data-types";
import {DerivedPropertyType} from "../../../../../../models/properties-inputs/property-be-model";
import {PROPERTY_DATA, PROPERTY_TYPES} from "../../../../../../utils/constants";

@Component({
  selector: 'input-list',
  templateUrl: './input-list.component.html',
  styleUrls: ['./input-list.component.less']
})
export class InputListComponent {

  @Input() set inputs(inputs: Array<InputOperationParameter>) {
    this._inputs = new Array<InputOperationParameter>();
    if (inputs) {
      inputs.forEach(input => {
        const inputCopy = new InputOperationParameter(input);
        this.initValue(inputCopy);

        this._inputs.push(inputCopy);
      });
    }
  }
  @Input() dataTypeMap: Map<string, DataTypeModel>;
  @Input() isViewOnly: boolean;
  @Output('onValueChange') inputValueChangeEvent: EventEmitter<InputOperationParameter> = new EventEmitter<InputOperationParameter>();
  @Output('onDelete') inputDeleteEvent: EventEmitter<string> = new EventEmitter<string>();

  _inputs: Array<InputOperationParameter>;

  getDataType(type: string): DataTypeModel {
    return this.dataTypeMap.get(type);
  }

  private initValue(input: InputOperationParameter): void {
    if (input.value) {
      try {
        input.value = JSON.parse(input.value);
      } catch (e) {
        console.debug('Could not parse value', input.value, e);
      }
      return;
    }

    if (input.toscaDefaultValue) {
      try {
        input.value = JSON.parse(input.toscaDefaultValue);
        return;
      } catch (e) {
        console.debug('Could not parse value', input.value, e);
      }
    }

    if (this.isTypeComplex(input.type) || this.isTypeMap(input.type)) {
      input.value = {};
    } else if (this.isTypeList(input.type)) {
      input.value = [];
    } else {
      input.value = undefined;
    }
  }

  getType(typeName: string): DerivedPropertyType {
    if (PROPERTY_DATA.SIMPLE_TYPES.indexOf(typeName) > -1) {
      return DerivedPropertyType.SIMPLE;
    } else if (typeName === PROPERTY_TYPES.LIST) {
      return DerivedPropertyType.LIST;
    } else if (typeName === PROPERTY_TYPES.MAP) {
      return DerivedPropertyType.MAP;
    } else {
      return DerivedPropertyType.COMPLEX;
    }
  }

  isTypeSimple(typeName: string): boolean {
    return this.getType(typeName) == DerivedPropertyType.SIMPLE;
  }

  isTypeList(typeName: string): boolean {
    return this.getType(typeName) == DerivedPropertyType.LIST;
  }

  isTypeMap(typeName: string): boolean {
    return this.getType(typeName) == DerivedPropertyType.MAP;
  }

  isTypeComplex(typeName: string): boolean {
    return !this.isTypeSimple(typeName) && !this.isTypeList(typeName) && !this.isTypeMap(typeName);
  }

  onValueChange($event: any) {
    const inputOperationParameter = this._inputs.find(input => input.name == $event.name);
    if (inputOperationParameter) {
      inputOperationParameter.value = $event.value;
      this.inputValueChangeEvent.emit(new InputOperationParameter(inputOperationParameter));
    }
  }

  onDelete(inputName: string) {
    this.inputDeleteEvent.emit(inputName);
  }

}