import { Component, EventEmitter, Input, Output } from '@angular/core';

import { ConeSearch } from "../../../shared/cone-search/store/model";
import { Dataset, Project } from 'src/app/metamodel/model';
import { DatasetCount, SearchMultipleQueryParams } from "../../store/model";

@Component({
    selector: 'app-overview',
    templateUrl: 'overview.component.html'
})
export class OverviewComponent {
    @Input() set datasetSearchMetaIsLoaded(datasetSearchMetaIsLoaded: boolean) {
        if (datasetSearchMetaIsLoaded) {
            this.getDatasetCount.emit();
        }
    }
    @Input() coneSearch: ConeSearch;
    @Input() projectList: Project[];
    @Input() datasetList: Dataset[];
    @Input() selectedDatasets: string[];
    @Input() queryParams: SearchMultipleQueryParams;
    @Input() datasetsCountIsLoaded: boolean;
    @Input() datasetsCount: DatasetCount[];
    @Output() getDatasetCount: EventEmitter<null> = new EventEmitter();


    getTotalObject(): number {
        let total: number = 0;
        this.datasetsCount
            .filter(c => c.count > 0)
            .map(c => total += c.count)
        return total;
    }

    getTotalDatasets(): number {
        return this.datasetsCount.filter(c => c.count > 0).length;
    }

    getProjectSortedByName(): Project[] {
        let projectWithSelectedDataset: Project[] = [];
        this.selectedDatasets.map(dname => {
            const dataset: Dataset = this.datasetList.find(d => d.name === dname);
            const project: Project = this.projectList.find(p => p.name === dataset.project_name);
            if (!projectWithSelectedDataset.includes(project)) {
                projectWithSelectedDataset.push(project);
            }
        });
        return projectWithSelectedDataset.sort((a, b) => a.name.localeCompare(b.name));
    }

    getSelectedDatasetsByProject(projectName: string): Dataset[] {
        return this.datasetList
            .filter(d => d.project_name === projectName)
            .filter(d => this.selectedDatasets.includes(d.name));
    }

    getCountByDataset(dname: string): number {
        return this.datasetsCount.find(c => c.dname === dname).count;
    }
}