import {Component, Input, Output, EventEmitter, ViewChild} from '@angular/core';
import {Router, ActivatedRoute} from '@angular/router';
import {ClaimsService} from '../../claim-utils/service/claims.service';
import {ModalLoading} from '../../../utils/modal/loading.component';
import {AlertModal} from '../../../utils/modal/alert';
import {Md5} from 'ts-md5/dist/md5';
import {LoginErrorCodes} from '../../../login/utils/guardHelper.class';
import {EnvProperties} from '../../../utils/properties/env-properties';
import {
  ClaimEntity,
  ClaimRecord2Insert,
  ClaimsErrorMessage,
  DirectIndexRecord,
  Message
} from "../../claim-utils/claimHelper.class";
import {UserManagementService} from "../../../services/user-management.service";
import {Subscriber, timer} from "rxjs";
import {map} from "rxjs/operators";

@Component({
  selector: 'claim-insert',
  template: `
    <div (click)="insert()" class="uk-card-footer uk-flex uk-flex-center clickable"
         [class.uk-tile-primary]="(results.length > 0 && (sources.length > 0 || inlineEntity))"
         [class.uk-background-muted]="!(results.length > 0 && (sources.length > 0 || inlineEntity))"
         [class.uk-disabled]="!(results.length > 0 && (sources.length > 0 || inlineEntity))">
      <button class="uk-flex uk-flex-middle uk-button uk-button-text"
              [class.uk-disabled]="!(results.length > 0 && (sources.length > 0 || inlineEntity))"
              [disabled]="!(results.length > 0 && (sources.length > 0 || inlineEntity))">
        <icon name="link" visuallyHidden="link" [flex]="true"></icon>
        <div class="uk-width-expand uk-margin-small-left">CONFIRM LINKING</div>
      </button>
    </div>
    <modal-loading [message]="'Please wait...'">
      
      <div *ngIf="claimsJob">
        <div *ngIf="claimsJob && claimsJob.insertedIds.length <1"  class="uk-text-meta uk-text-small">
          Initiating process....</div>
        <div *ngIf="claimsJob && claimsJob.insertedIds.length >0"  class="uk-text-meta uk-text-small">
          {{claimsJob.insertedIds.length}}  out of {{claims2Insert}} links created.</div>
        <div *ngIf="feedRecordsJob && feedRecordsJob.insertedIds.length >0"  class="uk-text-meta uk-text-small">
          {{feedRecordsJob.insertedIds.length}}  out of {{records2Insert}} records added in the index...</div>
        <div *ngIf="claimsJob.status != 'COMPLETE'"  class="uk-text-meta uk-text-small">
          Please don't close the window, process is ongoing...</div>
      </div>
    </modal-loading>
    <modal-alert (alertOutput)="confirmClose()">
      <h4 class="modal-title uk-text-bold " id="myModalLabel">Confirmation notice</h4>
      <p>All the links you provided will be published in the OpenAIRE platform. <br>
        Please make sure that the information is valid.<br>
        <span class="uk-text-bold">In some cases, links take some time to be published.</span><br>
        For more information please check the linking status in My-Links page.
      </p>
      <p>
        Do you confirm the information you provide is valid?
      </p>
    </modal-alert>
  `
})
export class ClaimInsertComponent {
  constructor(private claimService: ClaimsService, private _router: Router, private route: ActivatedRoute,
              private userManagementService: UserManagementService) {
  }
  subscriptions = [];
  ngOnDestroy() {
    this.subscriptions.forEach(subscription => {
      if (subscription instanceof Subscriber) {
        subscription.unsubscribe();
      }
    });
  }
  ngOnInit() {
    this.subscriptions.push(this.route.queryParams.subscribe(params => {
      this.params = params;
    }));
    if(localStorage.getItem(this.localStoragePrefix + "claimsJob")){
      this.claimsJob  = JSON.parse(localStorage.getItem(this.localStoragePrefix + "claimsJob"));
      this.feedRecordsJob  = JSON.parse(localStorage.getItem(this.localStoragePrefix + "feedRecordsJob"));
      if(this.claimsJob.status != "COMPLETE"){
        this.claiming = true;
        let  loadingTimerSubscription = timer(0, 1000).pipe(
          map(() => {
            if(this.loading) {
              this.loading.open();
              loadingTimerSubscription.unsubscribe();
            }
          })
        ).subscribe();
        this.subscriptions.push(loadingTimerSubscription);

        let  timerSubscription = timer(0, 10000).pipe(
          map(() => {
            this.getStatus(); // load data contains the http request
          })
        ).subscribe();
        this.subscriptions.push(timerSubscription);
      }else{
        this.claimsJob = null;
      }
    }

  }

  params = {};

  @Input() public results: ClaimEntity[];
  @Input() inlineEntity: ClaimEntity = null;
  @Input() sources: ClaimEntity[] = null;
  @Input() public properties: EnvProperties;
  @Input() localStoragePrefix: string;
  @ViewChild(ModalLoading) loading: ModalLoading;
  @ViewChild(AlertModal) alert;
  @Input() errors: ClaimsErrorMessage[];
  @Output() insertFinished = new EventEmitter();
  @Input() defaultColors:boolean;
  @Input() communityId:string= null;
  public claiming = false;

  public claims: number = 0;

  private servicesRespond: number = 0;
  private insertedClaims = [];
  private errorInClaims: ClaimRecord2Insert[] = [];
  private insertedRecords = [];
  private errorInRecords = [];
  public claimsJob;
  public feedRecordsJob;
  public claims2Insert;
  public records2Insert
  public insert() {
      this.confirmOpen();
  }
  saveAndNavigate(){
    this.saveLocalStorage();
    this._router.navigate(['/user-info'], {
      queryParams: {
        "errorCode": LoginErrorCodes.NOT_VALID,
        "redirectUrl": this._router.url
      }
    });
  }
  private insertActions() {
    this.servicesRespond = 0;
    this.insertedClaims = [];
    this.errorInClaims = [];
    this.insertedRecords = [];
    this.errorInRecords = [];
    this.subscriptions.push(this.userManagementService.getUserInfo().subscribe(user => {
      if (!user) {
       this.saveAndNavigate();
      } else {
        this.claiming = true;
        this.loading.open();
        let claims: ClaimRecord2Insert[] = [];
        let directclaims: DirectIndexRecord[] = [];
        let dashboard = this.properties.environment+"_"+this.properties.dashboard + (this.communityId?("_"+this.communityId):'');
        for (let j = 0; j < this.sources.length; j++) {  // if an external result -> direct insert in the index
          const result: ClaimEntity = this.sources[j];
          if (result.result && ["crossref", "datacite", "orcid"].indexOf(result.result.source) != -1) {
            directclaims.push({
              "id": result.id,
              "record": ClaimInsertComponent.createDirectClaim(result, this.results)
            });
          }
        }
        for (let i = 0; i < this.results.length; i++) {
          const entity: ClaimEntity = this.results[i]; // this is a research result, a project or a context

          if (entity.result && ["crossref", "datacite", "orcid"].indexOf(entity.result.source) != -1) { // if an external result -> direct insert in the index
            if (this.sources.length > 0) {
              directclaims.push({
                "id": entity.id,
                "record": ClaimInsertComponent.createDirectClaim(entity, this.sources)
              });
            } else if (this.inlineEntity) {
              directclaims.push({
                "id": entity.id,
                "record": ClaimInsertComponent.createDirectClaim(entity, [this.inlineEntity])
              });
            }

          }

          for (let j = 0; j < this.sources.length; j++) {
            const result: ClaimEntity = this.sources[j]; // this is a research result
            if (entity.result) {
              claims.push(ClaimInsertComponent.createResultClaim(result, entity, user.email, dashboard));
            } else if (entity.context) {
              claims.push(ClaimInsertComponent.createContextClaim(result, entity, user.email, dashboard));
            } else if (entity.project) {
              claims.push(ClaimInsertComponent.createProjectClaim(result, entity, user.email, dashboard));
            }


          }
          if (this.inlineEntity) {
            if (this.inlineEntity.result) {
              if (entity.result) {

                claims.push(ClaimInsertComponent.createResultClaim(this.inlineEntity, entity, user.email, dashboard));
              } else if (entity.context) {
                claims.push(ClaimInsertComponent.createContextClaim(this.inlineEntity, entity, user.email, dashboard));
              } else if (entity.project) {
                claims.push(ClaimInsertComponent.createProjectClaim(this.inlineEntity, entity, user.email, dashboard));
              }
            } else if (this.inlineEntity.project) {
              if (entity.result) {
                claims.push(ClaimInsertComponent.createProjectClaim(entity, this.inlineEntity, user.email, dashboard));
              }
            }
          }


        }

        //first call direct index service - when call is done (success or error) call isertBulkClaims method to insert claims in DB
        // console.log("directclaims");
        // console.log(directclaims);
        if (directclaims.length > 0/* && this.properties.environment != "development"*/){
          this.subscriptions.push(this.claimService.insertDirectRecords(directclaims, this.properties.claimsAPIURL).subscribe(
            data => {
              this.feedRecordsJob = data.data;
              this.records2Insert = directclaims.length;
              console.log(data);
              // this.insertedRecords = data.insertedIds;
              //
              // this.errorInRecords = data.errorInClaims;
              this.isertBulkClaims(claims);
            },
            err => {
              err = err && err.error?err.error:err;
              if (err.code && err.code == 403) {
                this.saveAndNavigate();
              }
             /* if (err.insertedIds && err.insertedIds.length > 0) {
                this.insertedRecords = err.insertedIds;
              }
              if (err.errorInClaims && err.errorInClaims.length > 0) {
                this.errorInRecords = err.errorInClaims;
              }*/
              this.isertBulkClaims(claims);

              ClaimInsertComponent.handleError("Error inserting direct records: " + JSON.stringify(directclaims), err);
            }
          ));
        } else {
          this.isertBulkClaims(claims);
        }
      }
    }));
  }

  private isertBulkClaims(claims: ClaimRecord2Insert[]) {
    this.errors.splice(0, this.errors.length);
    this.subscriptions.push(this.claimService.insertBulkClaims(claims, this.properties.claimsAPIURL).subscribe(
      data => {
        this.claims2Insert = claims.length;
        this.claimsJob = data.data;
        this.saveLocalStorage();
        let  timerSubscription = timer(0, 10000).pipe(
          map(() => {
            this.getStatus(); // load data contains the http request
          })
        ).subscribe();
        this.subscriptions.push(timerSubscription);
      },
      err => {
        err = err && err.error?err.error:err;
        if (err.code && err.code == 403) {
          this.saveAndNavigate();
        }
        let error: ClaimsErrorMessage = new ClaimsErrorMessage();
        error.type = "claimServiceFail";
        if (err.insertedIds && err.insertedIds.length > 0) {
          this.insertedClaims = err.insertedIds;
          error.inserted = err.insertedIds.length;
        }
        if (err.errorInClaims && err.errorInClaims.length > 0) {
          this.errorInClaims = err.errorInClaims;
          error.failed = err.errorInClaims.length;
        } else {
          error.failed = claims.length;
        }

        if (this.results != null) {
          localStorage.setItem(this.localStoragePrefix + "results", JSON.stringify(this.results));
        }
        if (this.sources != null) {
          localStorage.setItem(this.localStoragePrefix + "sources", JSON.stringify(this.sources));
        }
        console.log(error);
        this.createErrorMessagesPerEntity((this.insertedClaims.length == 0));
        this.errors.push(error);
        this.afterclaimsInsertion();

        ClaimInsertComponent.handleError("Error inserting bulk claims: " + JSON.stringify(claims), err);
      }
    ));
  }

  createErrorMessagesPerEntity(applyToAll: boolean) {
    let errorsInIds: string[] = [];
    let savedIds: string[] = [];
    if (!applyToAll) {
      for (let claim of this.errorInClaims) {
        errorsInIds.push(claim.sourceId);
        errorsInIds.push(claim.targetId);
      }
    }
    for (let i = 0; i < this.sources.length; i++) {
      let entity: ClaimEntity = this.sources[i];
      if (errorsInIds.indexOf(entity.id) != -1 || applyToAll) {
        let error: Message = new Message();
        error.type = "fail2Insert";
        entity.errorMessages.push(error);
      } else {
        savedIds.push(entity.id);
      }
    }

    for (let entity of this.results) {
      if (errorsInIds.indexOf(entity.id) != -1 || applyToAll) {
        let error: Message = new Message();
        error.type = "fail2Insert";
        entity.errorMessages.push(error);
      } else {
        savedIds.push(entity.id);
      }
    }
    if (this.inlineEntity && (errorsInIds.indexOf(this.inlineEntity.id) != -1 || applyToAll)) {
      let error: Message = new Message();
      error.type = "fail2Insert";
      this.inlineEntity.errorMessages.push(error);
    }
    //remove entities that have been saved
    for (let id of savedIds) {

      //remove sources
      let sourceIndex = -1;
      for (let i = 0; i < this.sources.length; i++) {
        if (this.sources[i].id == id) {
          sourceIndex = i;
          break;
        }
      }
      if (sourceIndex != -1) {
        this.sources.splice(sourceIndex, 1);
      } else {
        //remove results
        let resutsIndex = -1;
        for (let i = 0; i < this.results.length; i++) {
          if (this.results[i].id == id) {
            resutsIndex = i;
            break;
          }
        }
        if (resutsIndex != -1) {
          this.results.splice(resutsIndex, 1);
        }


      }
    }
    this.insertFinished.emit();
  }

  private afterclaimsInsertion() {
    this.claiming = false;
    this.loading.close();


    if (this.errorInClaims.length == 0 && this.insertedClaims.length > 0) {
      localStorage.removeItem(this.localStoragePrefix + "sources");
      localStorage.removeItem(this.localStoragePrefix + "results");
      localStorage.removeItem(this.localStoragePrefix + "claimsJob");
      localStorage.removeItem(this.localStoragePrefix + "feedRecordsJob");

      this._router.navigate(['/myclaims'], {queryParams: this.params});
    }
  }


  private static createContextClaim(resultEntity: ClaimEntity, contextEntity: ClaimEntity, user: any, dashboard:string): ClaimRecord2Insert {
    return {
      claimedBy: user,
      sourceId: contextEntity.context.concept.id,
      sourceType: "context",
      sourceCollectedFrom: "openaire",
      sourceAccessRights: "OPEN",
      sourceEmbargoEndDate: "",
      targetId: resultEntity.id,
      targetType: resultEntity.type,
      targetCollectedFrom: resultEntity.result.source,
      targetAccessRights: resultEntity.result.accessRights,
      targetEmbargoEndDate: ClaimInsertComponent.getEmbargoEndDate(resultEntity),
      claimedInDashboard : dashboard
    };
  }

  private static createProjectClaim(resultEntity: ClaimEntity, projectEntity: ClaimEntity, user: any, dashboard:string): ClaimRecord2Insert {
    return {
      claimedBy: user,
      sourceId: projectEntity.id,
      sourceType: "project",
      sourceCollectedFrom: "openaire",
      sourceAccessRights: "OPEN",
      sourceEmbargoEndDate: "",
      targetId: resultEntity.id,
      targetType: resultEntity.type,
      targetCollectedFrom: resultEntity.result.source,
      targetAccessRights: resultEntity.result.accessRights,
      targetEmbargoEndDate: ClaimInsertComponent.getEmbargoEndDate(resultEntity),
      claimedInDashboard : dashboard
    };
  }

  private static createResultClaim(inlineResult: ClaimEntity, resultEntity: ClaimEntity, user: string, dashboard:string): ClaimRecord2Insert {

    return {
      claimedBy: user,
      sourceId: resultEntity.id,
      sourceType: resultEntity.type,
      sourceCollectedFrom: resultEntity.result.source,
      sourceAccessRights: resultEntity.result.accessRights,
      sourceEmbargoEndDate: ClaimInsertComponent.getEmbargoEndDate(resultEntity),
      targetId: inlineResult.id,
      targetType: inlineResult.type,
      targetCollectedFrom: inlineResult.result.source,
      targetAccessRights: inlineResult.result.accessRights,
      targetEmbargoEndDate: ClaimInsertComponent.getEmbargoEndDate(inlineResult),
      claimedInDashboard : dashboard
    };
  }

  static getEmbargoEndDate(resultEntity: ClaimEntity): string {
    if (resultEntity.result && resultEntity.result.accessRights == "EMBARGO" && resultEntity.result.embargoEndDate != null) {
      return resultEntity.result.embargoEndDate;
    }
    return ""
  }

  static createDirectClaim(resultEntity: ClaimEntity, results: ClaimEntity[]) {
    let entity = {};
    const md5_id = Md5.hashStr(resultEntity.id);
    entity["originalId"] = "userclaim___::" + md5_id;
    entity["openaireId"] = "userclaim___::" + md5_id;
    entity["title"] = resultEntity.title;
    entity["title"] = (Array.isArray(resultEntity.title) && resultEntity.title.length > 0) ? resultEntity.title[0] : resultEntity.title;

    if (resultEntity.result.authors && resultEntity.result.authors.length > 0) {
      entity["authors"] = resultEntity.result.authors;
    }
    if (resultEntity.result.publisher) {
      entity["publisher"] = resultEntity.result.publisher;
    }
    if (resultEntity.result.description) {
      entity["description"] = resultEntity.result.description;
    }
    // entity["language"]=""; no info
    entity["type"] = resultEntity.type;
    if (resultEntity.result.source == "crossref" || resultEntity.result.source == "datacite") {
      entity["pids"] = [];//{type:string, value:string}[];
      entity["pids"].push({type: "doi", value: resultEntity.id})
    }
    entity["licenseCode"] = resultEntity.result.accessRights;
    if (resultEntity.result.accessRights == "EMBARGO") {
      entity["embargoEndDate"] = resultEntity.result.embargoEndDate;
    }
    if (resultEntity.type == "publication") {
      entity["resourceType"] = "0001";
    } else if (resultEntity.type == "dataset") {
      entity["resourceType"] = "0021";
    } else if (resultEntity.type == "software") {
      entity["resourceType"] = "0029";
    } else if (resultEntity.type == "other") {
      entity["resourceType"] = "0020";
    }
    entity["url"] = resultEntity.result.url;
    entity["hostedById"] = "openaire____::1256f046-bf1f-4afc-8b47-d0b147148b18";
    if (resultEntity.result.source == "crossref") {
      entity["collectedFromId"] = "openaire____::crossref";
    } else if (resultEntity.result.source == "datacite") {
      entity["collectedFromId"] = "openaire____::datacite";
    } else if (resultEntity.result.source == "orcid") {
      entity["collectedFromId"] = "openaire____::orcid";
    } else if (resultEntity.result.source == "orpenaire") {
      entity["collectedFromId"] = "openaire____::driver";
    }
    for (let i = 0; i < results.length; i++) {
      if (results[i].project) {
        if (!entity["linksToProjects"]) {
          entity["linksToProjects"] = [];
        }
        let project: ClaimEntity = results[i];
        entity["linksToProjects"].push("info:eu-repo/grantAgreement/" + project.project.funderName + "/" + project.project.fundingLevel0 + "/" + project.project.code + "/" + project.project.jurisdiction + "/" + project.title + "/" + project.project.acronym);

      } else if (results[i].context) {

        if (!entity["contexts"]) {
          entity["contexts"] = [];
        }
        let context: ClaimEntity = results[i];
        entity["contexts"].push(context.context.concept.id);

      }
    }
    // var json = JSON.stringify(entity);
    //console.log("\nJSON:\n"+json);
    return entity;


  }

  confirmOpen() {
    this.alert.cancelButton = true;
    this.alert.okButton = true;
    this.alert.alertTitle = "";//"Final Confirmation notice";
    this.alert.okButtonLeft = false;
    // this.alert.message = "<div>All the links you provided will be published in the OpenAIRE platform. " +
    //   "<br>Make sure you have checked all the information you provided. In some cases some links take more time to be published. " +
    //   "<br>For more information please check the linking status in My-Links page. " +
    //   "<br><br>Do you confirm the information you provide are valid?</div>";
    this.alert.okButtonText = "CONFIRM";
    this.alert.cancelButtonText = "CANCEL";
    this.alert.open();
  }

  confirmClose() {
    this.insertActions();
  }

  private static handleError(message: string, error) {

    console.error("Insert Claim (component): " + message, error);
  }

  getButtonClass(){
  //   [class]="(((sources.length>0||inlineEntity) && results.length > 0 && (!claiming  && errors.length == 0))?' ':'uk-disabled')+ ' uk-button  uk-button-large uk-text-center'+((defaultColors)?'':'')">CONFIRM LINKING
  //   <span class="  uk-margin-small-top uk-icon uk-float-right uk-text-bold uk-margin-small-right">  }
  // [class]="(((sources.length>0||inlineEntity) && results.length > 0 && (!claiming  && errors.length == 0))?'linksbaskettitlesPortalColor ':'uk-disabled')+ ' linksbaskettitles uk-padding-small uk-text-center'">CONFIRM LINKING
  // <span class="uk-icon uk-float-right uk-text-bold uk-margin-small-right">
    let buttonClass= "";
    if((this.sources.length>0||this.inlineEntity) && this.results.length > 0 && (!this.claiming  && this.errors.length == 0)){
      if(this.defaultColors){
        buttonClass+=" linksbaskettitlesPortalColor ";
      }
    }else{
      buttonClass+=" uk-disabled ";

    }
    if(this.defaultColors){
      buttonClass+=" linksbaskettitles  uk-padding-small ";
    }
    return buttonClass + "uk-text-center ";
  }

  getStatus(){
    if(this.feedRecordsJob && ! (this.feedRecordsJob.status == "COMPLETE" || this.feedRecordsJob.status == "ERROR") ) {
      this.subscriptions.push(this.claimService.getStatus(this.feedRecordsJob.id, this.properties.claimsAPIURL).subscribe(data => {
        this.feedRecordsJob = data.data;
        // console.log("feed", this.feedRecordsJob.status);
        if (this.feedRecordsJob.status == "COMPLETE" || data.data.status == "ERROR") {
          this.insertedRecords = this.feedRecordsJob.insertedIds;
          this.errorInRecords = this.feedRecordsJob.errorInClaims;
        }
        }, err => {
          let error: ClaimsErrorMessage = new ClaimsErrorMessage();
          error.type = "jobError";
          this.createErrorMessagesPerEntity((this.insertedClaims.length == 0));
          this.errors.push(error);
          this.afterclaimsInsertion();
          this.feedRecordsJob =  null;
        localStorage.removeItem(this.localStoragePrefix + "feedRecordsJob");
        }

      ));
    }
    if(this.claimsJob) {
      this.subscriptions.push(this.claimService.getStatus(this.claimsJob.id, this.properties.claimsAPIURL).subscribe(data => {
          this.claimsJob = data.data;
        // console.log("claim: ", this.claimsJob.status, this.feedRecordsJob.status?this.feedRecordsJob.status:" no feed job");
        if ((this.claimsJob.status == "COMPLETE" || data.data.status == "ERROR") && ( !this.feedRecordsJob || (this.feedRecordsJob.status == "COMPLETE" || data.data.status == "ERROR")) ) {
            this.insertedClaims = this.claimsJob.insertedIds;
            this.errorInClaims = this.claimsJob.errorInClaims;

            if (this.claims2Insert != this.insertedClaims.length) {
              let error: ClaimsErrorMessage = new ClaimsErrorMessage();
              error.type = "claimServiceFail2Insert";
              error.inserted = this.insertedClaims.length;
              error.failed = this.errorInClaims.length;
              this.createErrorMessagesPerEntity((this.insertedClaims.length == 0));
              this.errors.push(error);
            }
            this.afterclaimsInsertion();


          }
        }, err => {
          let error: ClaimsErrorMessage = new ClaimsErrorMessage();
          error.type = "jobError";
          this.createErrorMessagesPerEntity((this.insertedClaims.length == 0));
          this.errors.push(error);
          this.afterclaimsInsertion();
          this.claimsJob = null;
          localStorage.removeItem(this.localStoragePrefix + "claimsJob");

        }
      ));
    }
  }
  saveLocalStorage(){
    if (this.results != null) {
      localStorage.setItem(this.localStoragePrefix + "results", JSON.stringify(this.results));
    }
    if (this.sources != null) {
      localStorage.setItem(this.localStoragePrefix + "sources", JSON.stringify(this.sources));
    }
    if (this.claimsJob != null) {
      localStorage.setItem(this.localStoragePrefix + "claimsJob", JSON.stringify(this.claimsJob));
    }
    if (this.feedRecordsJob != null) {
      localStorage.setItem(this.localStoragePrefix + "feedRecordsJob", JSON.stringify(this.feedRecordsJob));
    }
  }
}