import { HttpClient, HttpHeaders, HttpResponse } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { DmpUserRole } from '@app/core/common/enum/dmp-user-role';
import { IsActive } from '@app/core/common/enum/is-active.enum';
import { UserInfoListingModel } from '@app/core/model/user/user-info-listing';
import { VersionListingModel } from '@app/core/model/version/version-listing.model';
import { DmpLookup } from '@app/core/query/dmp.lookup';
import { MultipleAutoCompleteConfiguration } from '@app/library/auto-complete/multiple/multiple-auto-complete-configuration';
import { SingleAutoCompleteConfiguration } from '@app/library/auto-complete/single/single-auto-complete-configuration';
import { QueryResult } from '@common/model/query-result';
import { FilterService } from '@common/modules/text-filter/filter-service';
import { Guid } from '@common/types/guid';
import { Observable, throwError } from 'rxjs';
import { catchError, map } from 'rxjs/operators';
import { nameof } from 'ts-simple-nameof';
import { BaseHttpParams } from '../../../../common/http/base-http-params';
import { InterceptorType } from '../../../../common/http/interceptors/interceptor-type';
import { DynamicFieldGrantCriteria } from '../../../models/dynamic-field-grant/DynamicFieldGrantCriteria';
import { DataTableData } from '../../model/data-table/data-table-data';
import { DataTableRequest } from '../../model/data-table/data-table-request';
import { DatasetListingModel } from '../../model/dataset/dataset-listing';
import { DatasetProfileModel } from '../../model/dataset/dataset-profile';
import { DatasetsToBeFinalized } from '../../model/dataset/datasets-toBeFinalized';
import { CloneDmpPersist, Dmp, DmpModel, DmpPersist, DmpUser, DmpUserPersist, NewVersionDmpPersist } from '../../model/dmp/dmp';
import { DmpListingModel } from '../../model/dmp/dmp-listing';
import { DmpOverviewModel } from '../../model/dmp/dmp-overview';
import { DatasetProfileCriteria } from '../../query/dataset-profile/dataset-profile-criteria';
import { DmpCriteria } from '../../query/dmp/dmp-criteria';
import { ExploreDmpCriteriaModel } from '../../query/explore-dmp/explore-dmp-criteria';
import { RequestItem } from '../../query/request-item';
import { AuthService } from '../auth/auth.service';
import { ConfigurationService } from '../configuration/configuration.service';
import { BaseHttpV2Service } from '../http/base-http-v2.service';
import { BaseHttpService } from '../http/base-http.service';
import { DmpStatus } from '@app/core/common/enum/dmp-status';

@Injectable()
export class DmpServiceNew {

	private headers = new HttpHeaders();

	constructor(
		private http: BaseHttpV2Service,
		private httpClient: HttpClient,
		private configurationService: ConfigurationService,
		private filterService: FilterService,
		private authService: AuthService
	) {
	}

	private get apiBase(): string { return `${this.configurationService.server}dmp`; }

	query(q: DmpLookup): Observable<QueryResult<Dmp>> {
		const url = `${this.apiBase}/query`;
		return this.http.post<QueryResult<Dmp>>(url, q).pipe(catchError((error: any) => throwError(error)));
	}

	getSingle(id: Guid, reqFields: string[] = []): Observable<Dmp> {
		const url = `${this.apiBase}/${id}`;
		const options = { params: { f: reqFields } };

		return this.http
			.get<Dmp>(url, options).pipe(
				catchError((error: any) => throwError(error)));
	}

	getPublicSingle(id: Guid, reqFields: string[] = []): Observable<Dmp> { //TODO: add this to backend.
		const url = `${this.apiBase}/public/${id}`;
		const options = { params: { f: reqFields } };

		return this.http
			.get<Dmp>(url, options).pipe(
				catchError((error: any) => throwError(error)));
	}

	persist(item: DmpPersist): Observable<Dmp> {
		const url = `${this.apiBase}/persist`;

		return this.http
			.post<Dmp>(url, item).pipe(
				catchError((error: any) => throwError(error)));
	}

	delete(id: Guid): Observable<Dmp> {
		const url = `${this.apiBase}/${id}`;

		return this.http
			.delete<Dmp>(url).pipe(
				catchError((error: any) => throwError(error)));
	}

	clone(item: CloneDmpPersist, reqFields: string[] = []): Observable<Dmp> {
		const url = `${this.apiBase}/clone`;
		const options = { params: { f: reqFields } };

		return this.http
			.post<Dmp>(url, item).pipe(
				catchError((error: any) => throwError(error)));
	}

	newVersion(item: NewVersionDmpPersist, reqFields: string[] = []): Observable<Dmp> {
		const url = `${this.apiBase}/new-version`;
		const options = { params: { f: reqFields } };

		return this.http
			.get<Dmp>(url, options).pipe(
				catchError((error: any) => throwError(error)));
	}

	assignUsers(id: Guid, items: DmpUserPersist[], reqFields: string[] = []): Observable<DmpUser> {
		const url = `${this.apiBase}/${id}/assign-users`;
		const options = { params: { f: reqFields } };

		return this.http
			.post<DmpUser>(url, items).pipe(
				catchError((error: any) => throwError(error)));
	}

	downloadXML(id: Guid): Observable<HttpResponse<Blob>> {
		const url = `${this.apiBase}/xml/export/${id}`;
		let headerXml: HttpHeaders = this.headers.set('Content-Type', 'application/xml');
		const params = new BaseHttpParams();
		params.interceptorContext = {
			excludedInterceptors: [InterceptorType.JSONContentType]
		};
		return this.httpClient.get(url, { params: params, responseType: 'blob', observe: 'response', headers: headerXml });
	}

	uploadFile(file: FileList, labelSent: string, reqFields: string[] = []): Observable<DataTableData<Dmp>> {
		const url = `${this.apiBase}/xml/import`;
		const params = new BaseHttpParams();
		params.interceptorContext = {
			excludedInterceptors: [InterceptorType.JSONContentType]
		};
		const formData = new FormData();
		formData.append('file', file[0], labelSent);
		return this.http.post(url, formData, { params: params });
	}

	//
	// Autocomplete Commons
	//
	// tslint:disable-next-line: member-ordering
	singleAutocompleteConfiguration: SingleAutoCompleteConfiguration = {
		initialItems: (data?: any) => this.query(this.buildAutocompleteLookup()).pipe(map(x => x.items)),
		filterFn: (searchQuery: string, data?: any) => this.query(this.buildAutocompleteLookup(searchQuery)).pipe(map(x => x.items)),
		getSelectedItem: (selectedItem: any) => this.query(this.buildAutocompleteLookup(null, null, [selectedItem])).pipe(map(x => x.items[0])),
		displayFn: (item: Dmp) => item.label,
		titleFn: (item: Dmp) => item.label,
		valueAssign: (item: Dmp) => item.id,
	};

	// tslint:disable-next-line: member-ordering
	multipleAutocompleteConfiguration: MultipleAutoCompleteConfiguration = {
		initialItems: (excludedItems: any[], data?: any) => this.query(this.buildAutocompleteLookup(null, excludedItems ? excludedItems : null)).pipe(map(x => x.items)),
		filterFn: (searchQuery: string, excludedItems: any[]) => this.query(this.buildAutocompleteLookup(searchQuery, excludedItems)).pipe(map(x => x.items)),
		getSelectedItems: (selectedItems: any[]) => this.query(this.buildAutocompleteLookup(null, null, selectedItems)).pipe(map(x => x.items)),
		displayFn: (item: Dmp) => item.label,
		titleFn: (item: Dmp) => item.label,
		valueAssign: (item: Dmp) => item.id,
	};

	public buildAutocompleteLookup(like?: string, excludedIds?: Guid[], ids?: Guid[], statuses?: DmpStatus[]): DmpLookup {
		const lookup: DmpLookup = new DmpLookup();
		lookup.page = { size: 100, offset: 0 };
		if (excludedIds && excludedIds.length > 0) { lookup.excludedIds = excludedIds; }
		if (ids && ids.length > 0) { lookup.ids = ids; }
		lookup.isActive = [IsActive.Active];
		lookup.statuses = statuses;
		lookup.project = {
			fields: [
				nameof<Dmp>(x => x.id),
				nameof<Dmp>(x => x.label)
			]
		};
		lookup.order = { items: [nameof<Dmp>(x => x.label)] };
		if (like) { lookup.like = this.filterService.transformLike(like); }
		return lookup;
	}

	//
	//
	// UI Helpers
	//
	//

	getCurrentUserRolesInDmp(dmpUsers: DmpUser[]): DmpUserRole[] {
		const principalId: Guid = this.authService.userId();
		let dmpUserRoles: DmpUserRole[] = null;
		if (principalId) {
			dmpUserRoles = dmpUsers.filter(element => element?.user?.id === principalId).map(x => x.role);
		}
		return dmpUserRoles;
	}

	isDmpOwner(dmpUsers: DmpUser[]): Boolean {
		return this.getCurrentUserRolesInDmp(dmpUsers).includes(DmpUserRole.Owner);
	}
}


//
//
// Pre refactor TODO: delete
//
//

@Injectable()
export class DmpService {

	private actionUrl: string;
	private headers = new HttpHeaders();

	constructor(private http: BaseHttpService, private httpClient: HttpClient, private configurationService: ConfigurationService) {
		this.actionUrl = configurationService.server + 'dmps/';

	}

	getPaged(dataTableRequest: DataTableRequest<DmpCriteria>, fieldsGroup?: string): Observable<DataTableData<DmpListingModel>> {
		if (fieldsGroup) {
			return this.http.post<DataTableData<DmpListingModel>>(this.actionUrl + 'paged?fieldsGroup=' + fieldsGroup, dataTableRequest, { headers: this.headers });
		}
		else {
			return this.http.post<DataTableData<DmpListingModel>>(this.actionUrl + 'paged?fieldsGroup=' + fieldsGroup, dataTableRequest, { headers: this.headers });
		}
	}

	getSingle(id: String): Observable<DmpModel> {
		return this.http.get<DmpModel>(this.actionUrl + id, { headers: this.headers }); //'getSingle/' +
	}

	getSingleNoDatasets(id: String): Observable<DmpModel> {
		return this.http.get<DmpModel>(this.actionUrl + 'plain/' + id, { headers: this.headers }); //'getSingle/' +
	}

	getSinglePublic(id: String): Observable<DmpModel> {
		return this.http.get<DmpModel>(this.actionUrl + 'public/' + id, { headers: this.headers });
	}

	getOverviewSingle(id: string): Observable<DmpOverviewModel> {
		return this.http.get<DmpOverviewModel>(this.actionUrl + 'overview/' + id, { headers: this.headers });
	}

	getOverviewSinglePublic(id: string): Observable<DmpOverviewModel> {
		return this.http.get<DmpOverviewModel>(this.actionUrl + 'publicOverview/' + id, { headers: this.headers })
	}

	getAllVersions(id: string, isPublic: boolean): Observable<VersionListingModel[]> {
		return this.http.get<VersionListingModel[]>(this.actionUrl + 'versions/' + id + '?public=' + isPublic, { headers: this.headers })
	}

	unlock(id: String): Observable<DmpModel> {
		return this.http.get<DmpModel>(this.actionUrl + id + '/unlock', { headers: this.headers });
	}

	createDmp(dataManagementPlanModel: DmpModel): Observable<DmpModel> {
		return this.http.post<DmpModel>(this.actionUrl, dataManagementPlanModel, { headers: this.headers });
	}

	createDmpWithDatasets(dataManagementPlanModel: DmpModel): Observable<String> {
		return this.http.post<String>(this.actionUrl + 'full', dataManagementPlanModel, { headers: this.headers });
	}

	inactivate(id: String): Observable<DmpModel> {
		return this.http.delete<DmpModel>(this.actionUrl + 'inactivate/' + id, { headers: this.headers });
	}

	searchDmpBlueprints(dataSetProfileRequest: RequestItem<DatasetProfileCriteria>): Observable<DatasetProfileModel[]> {
		return this.http.post<DatasetProfileModel[]>(this.actionUrl + 'datasetprofiles/get', dataSetProfileRequest, { headers: this.headers });
	}

	newVersion(dataManagementPlanModel: DmpModel, id: String): Observable<String> {
		return this.http.post<String>(this.actionUrl + 'new/' + id, dataManagementPlanModel, { headers: this.headers });
	}

	clone(dataManagementPlanModel: DmpModel, id: String): Observable<String> {
		return this.http.post<String>(this.actionUrl + 'clone/' + id, dataManagementPlanModel, { headers: this.headers });
	}

	delete(id: String): Observable<DmpModel> {
		return this.http.delete<DmpModel>(this.actionUrl + id, { headers: this.headers }); // + 'delete/'
	}

	publish(id: String): Observable<DmpModel> {
		return this.http.get<DmpModel>(this.actionUrl + 'makepublic/' + id, { headers: this.headers });
	}

	finalize(datasetsToBeFinalized: DatasetsToBeFinalized, id: String): Observable<DmpModel> {
		return this.http.post<DmpModel>(this.actionUrl + 'finalize/' + id, datasetsToBeFinalized, { headers: this.headers });
	}

	unfinalize(id: String): Observable<DmpModel> {
		return this.http.post<DmpModel>(this.actionUrl + 'unfinalize/' + id, { headers: this.headers });
	}

	updateUsers(id: string, users: UserInfoListingModel[]): Observable<DmpModel> {
		return this.http.post<DmpModel>(`${this.actionUrl}updateusers/${id}`, users, { headers: this.headers });
	}

	getDynamicField(requestItem: RequestItem<DynamicFieldGrantCriteria>): any {
		return this.http.post<any>(this.actionUrl + 'dynamic', requestItem, { headers: this.headers });
	}

	public downloadXML(id: string): Observable<HttpResponse<Blob>> {
		let headerXml: HttpHeaders = this.headers.set('Content-Type', 'application/xml')
		return this.httpClient.get(this.actionUrl + id, { responseType: 'blob', observe: 'response', headers: headerXml }); //+ "/getXml/"
	}

	public downloadDocx(id: string): Observable<HttpResponse<Blob>> {
		let headerDoc: HttpHeaders = this.headers.set('Content-Type', 'application/msword')
		return this.httpClient.get(this.actionUrl + id, { responseType: 'blob', observe: 'response', headers: headerDoc });
	}

	public downloadPDF(id: string): Observable<HttpResponse<Blob>> {
		let headerPdf: HttpHeaders = this.headers.set('Content-Type', 'application/pdf')
		return this.httpClient.get(this.actionUrl + 'getPDF/' + id, { responseType: 'blob', observe: 'response', headers: headerPdf });
	}

	public downloadJson(id: string): Observable<HttpResponse<Blob>> {
		return this.httpClient.get(this.actionUrl + 'rda/' + id, { responseType: 'blob', observe: 'response' });
	}

	public uploadXml(fileList: FileList, dmpTitle: string, dmpBlueprints: any[]): Observable<any> {
		const formData: FormData = new FormData();
		if (fileList instanceof FileList) {
			for (let i = 0; i < fileList.length; i++) {
				formData.append('file', fileList[i], dmpTitle);
			}
		} else if (Array.isArray(fileList)) {
			formData.append('file', fileList[0], dmpTitle);
		} else {
			formData.append('file', fileList, dmpTitle);
		}
		for (let j = 0; j < dmpBlueprints.length; j++) {
			formData.append('profiles', dmpBlueprints[j].id);
		}
		const params = new BaseHttpParams();
		params.interceptorContext = {
			excludedInterceptors: [InterceptorType.JSONContentType]
		};
		return this.http.post(this.actionUrl + 'upload', formData, { params: params });
	}

	getPublicPaged(dataTableRequest: DataTableRequest<ExploreDmpCriteriaModel>, fieldsGroup?: string): Observable<DataTableData<DmpListingModel>> {
		return this.http.post<DataTableData<DmpListingModel>>(this.actionUrl + 'public/paged?fieldsGroup=' + fieldsGroup, dataTableRequest, { headers: this.headers });
	}

	getDatasetProfilesUsedPaged(dataTableRequest: DataTableRequest<DatasetProfileCriteria>) {
		return this.http.post<DataTableData<DatasetListingModel>>(this.actionUrl + 'datasetProfilesUsedByDmps/paged', dataTableRequest);
	}

	generateIndex() {
		return this.http.post(this.actionUrl + 'index', {});
	}

	clearIndex() {
		return this.http.delete(this.actionUrl + 'index');
	}
}