import {Component, Input, Output, EventEmitter, ViewChild} from '@angular/core';
import {Observable}       from 'rxjs/Observable';
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 {Session} from '../../../login/utils/helper.class';
import {ErrorCodes} from '../../../login/utils/guardHelper.class';
import{EnvProperties} from '../../../utils/properties/env-properties';

@Component({
    selector: 'claim-insert',
    template: `
    <div *ngIf="errorMessage.length > 0">
      <div class="uk-alert uk-alert-danger" role="alert" [innerHTML]="errorMessage"></div>
      <div *ngIf="insertedClaims.length>0">There are {{insertedClaims.length}} claims, follow <a routerLinkActive="router-link-active" routerLink="/myclaims">the link</a> to manage your claims</div>
    </div>
    <div *ngIf="warningMessage.length > 0">
      <div class="uk-alert uk-alert-warning" role="alert">{{warningMessage}}</div>
    </div>


    <modal-loading [message]= "'Please wait...'"></modal-loading>
    <modal-alert (alertOutput)="confirmClose($event)">
    </modal-alert>
    <button  *ngIf="!claiming  && showButton" (click)="validateInsertions()"  class="uk-button uk-button-primary"  >Finish</button>
    `
})
export class ClaimInsertComponent {
  constructor (private claimService: ClaimsService, private _router:Router, private route: ActivatedRoute,) {}
  ngOnInit() {
    this.route.queryParams.subscribe(params => {
      this.params = params;
    });
    // console.info("Inlineentity:" +(this.inlineEntity)?this.inlineEntity+(this.inlineEntity.id)?this.inlineEntity.id:"no id":"null"+ + " show "+ (!this.claiming  && this.showButton) );
  }

  params= {};
  @Input() public contexts;
  @Input() public projects;
  @Input() public results;
  @Input() public showButton:boolean = true;
  @Input() show='claim';
  @Input() inlineEntity = null; // the entity from the landing page
  @Input() public properties:EnvProperties;
  @Output() showChange = new EventEmitter();

  @ViewChild (ModalLoading) loading : ModalLoading ;
  @ViewChild(AlertModal) alert;

  public claiming =false;
  public error = false;
  public errorMessage = "";
  public warningMessage = "";
  public claimsTODO:number = 0;
  public claims:number = 0;

  private servicesRespond:number = 0;
  private insertedClaims=[];
  private errorInClaims=[];
  private insertedRecords=[];
  private errorInRecords=[];
public validateInsertions(){
  // console.info("Inlineentity:" +(this.inlineEntity)?this.inlineEntity+(this.inlineEntity.id)?this.inlineEntity.id:"no id":"null"+ + " show "+ (!this.claiming  && this.showButton) );
    if(this.validate()){
      if(this.validateDates()){
        this.insertActions();
        return true;
      }
    }
    return false;
}
private insertActions(){
  this.servicesRespond = 0;
   this.insertedClaims=[];
   this.errorInClaims=[];
  this.insertedRecords=[];
  this.errorInRecords=[];
  if(!Session.isValidAndRemove()){
    this.showButton = false;
    localStorage.setItem("projects", JSON.stringify(this.projects));
    localStorage.setItem("contexts", JSON.stringify(this.contexts));
    localStorage.setItem("results", JSON.stringify(this.results));
    if(this.inlineEntity != null){
      localStorage.setItem("inlineEntity", JSON.stringify(this.inlineEntity));
    }

    this._router.navigate(['/user-info'], { queryParams: { "errorCode": ErrorCodes.NOT_VALID, "redirectUrl":  this._router.url} });

  }else{
      this.claiming = true;
      var user=Session.getUserEmail();
       this.loading.open();
      var claims = [];
      var directclaims = [];
      if(this.results ){
        console.info("results: "+this.results.length);

          for (var i = 0; i < this.results.length; i++) {
              var result=this.results[i];
              if(["crossref","datacite","orcid"].indexOf(result.source) != -1){
                directclaims.push({"id":result.id, "record":this.createDirectClaim(result,this.projects,this.contexts)});
              }
              if(this.contexts){
                for (var j = 0; j < this.contexts.length; j++) {
                  var context = this.contexts[j];
                  var claim = this.createContextClaim(result, context, user);
                  claims.push(claim);
                }
              }
              if(this.projects){
                for (var k = 0; k < this.projects.length; k++) {
                  var project = this.projects[k];
                  var projectClaim = this.createProjectClaim(result, project, user);
                  claims.push(projectClaim);
                }
              }
               if(this.inlineEntity != null){
                var resultClaim = this.createResultClaim(this.inlineEntity, result, user);
                claims.push(resultClaim);
              }

          }
        }
        if(this.inlineEntity ){

                if(this.contexts){
                  for (var j = 0; j < this.contexts.length; j++) {
                    var context = this.contexts[j];
                    var claim = this.createContextClaim(this.inlineEntity, context, user);
                    claims.push(claim);
                  }
                }
                if(this.projects){
                  for (var k = 0; k < this.projects.length; k++) {
                    var project = this.projects[k];
                    var projectClaim = this.createProjectClaim(this.inlineEntity, project, user);
                    claims.push(projectClaim);
                  }
                }
          }
        //first call direct index service - when call is done (success or error) call isertBulkClaims method to insert claims in DB
        console.info("\n\ndirectclaims: "+directclaims.length+"\n\n");
        if(directclaims.length > 0){
          this.claimService.insertDirectRecords(directclaims,this.properties.claimsAPIURL).subscribe(
            data => {
              this.insertedRecords = data.insertedIds;

                this.errorInRecords = data.errorInClaims;
                this.isertBulkClaims(claims);
            },
            err =>  {
              err=err.json();
              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);
            }
          );
      }else{
        this.isertBulkClaims(claims);
      }
  }

}

private isertBulkClaims(claims){
  console.info("try to insert "+claims.length+" claims");
  this.claimService.insertBulkClaims(claims,this.properties.claimsAPIURL).subscribe(
    data => {
      this.insertedClaims = data.insertedIds;
      this.errorInClaims = data.errorInClaims;
      this.afterclaimsInsertion();
    },
    err =>  {
      err=err.json();
      if(err.insertedIds && err.insertedIds.length >0){
        this.insertedClaims = err.insertedIds;
      }
      if(err.errorInClaims && err.errorInClaims.length >0){
        this.errorInClaims = err.errorInClaims;
      }
      this.afterclaimsInsertion();
    }
  );
}
private validate(){
  this.warningMessage = "";
  this.errorMessage = "";
  if( this.results && this.results.length == 0 &&  ( this.inlineEntity == null)){
   this.warningMessage = "There are no research results selected.";
 }else if((!this.contexts|| this.contexts.length==0 )&&(!this.projects|| this.projects.length==0 )&&  ( this.inlineEntity == null)){
   this.warningMessage = "There are no projects or communities to link.";
 // }else if (this.inline && !this.inlineEntity){
 //   this.errorMessage = "No inline entity";
 //   console.log(this.inline + "   "+ this.inlineEntity);
 }else{
   return true;
 }
 return false;
}
private validateDates(){
  if(this.projects){
    for (var k = 0; k < this.projects.length; k++) {
      var project = this.projects[k];
      console.info(project.startDate+" "+project.endDate + " "+project.projectAcronym);
      if(this.results){
        for (var i = 0; i < this.results.length; i++) {
          var result = this.results[i];
          if(result.date && result.date != null){
            console.info("Date :"+ result.date + " & embargoEndDate :" +result.embargoEndDate );
            if((project.startDate && result.date < project.startDate) || ( project.endDate && result.date > (project.endDate+5)) ){
              this.confirmOpen();
              return false;
            }
          }
        }
      }


    }
  }
  if(this.results){
    for (var i = 0; i < this.results.length; i++) {
      var result = this.results[i];
      if(result.date && result.date != null){
        console.info("Date :"+ result.date + " & embargoEndDate :" +result.embargoEndDate );
         if((result.embargoEndDate && result.embargoEndDate != null) && result.date >result.embargoEndDate ){
          this.confirmOpen();
          return false;
        }
      }
    }
  }

 return true;
}
private afterclaimsInsertion(){

    this.loading.close();
    this.claiming = false;

    if(this.errorInClaims.length == 0 && this.insertedClaims.length > 0  && this.errorInRecords.length == 0){

        this._router.navigate( ['/myclaims'],{ queryParams:  this.params } );
      this.showChange.emit({
        value: this.show
      });
    }else{
      this.errorsInClaimsInsertion();
    }
}
private errorsInClaimsInsertion(){
  this.errorMessage = "";
  this.loading.close();
  this.error =  true;
  this.claiming = false;
  this.showButton = false;
  var text =""
  console.log("Errors: this.errorInRecords.length: "+this.errorInRecords.length+" - this.errorInClaims.length: "+this.errorInClaims.length);
  if(this.errorInRecords.length>0){
    text+="<div>The following records couldn't automatically inserted to the Openaire Info space: <ul>";
    for(var i=0; i< this.errorInRecords.length ; i++){
      for(var k=0; k< this.results.length ; k++){
        if(this.results[k].id == this.errorInRecords[i]){
          text+="<li>"+this.results[i].title+" from "+this.results[i].source+"</li>";
        }
      }
    }
    text+="</ul></div>";

  }
  if(this.errorInClaims.length > 0){
    text+="<div>The following links couldn't be saved: <ul>";
    for(var i=0; i< this.errorInClaims.length ; i++){
      // var claim =  { claimedBy : user, sourceId : context.concept.id, sourceType : "context", sourceCollectedFrom:"openaire", sourceAccessRights:"OPEN", sourceEmbargoEndDate:"no", targetId :  result.id , targetType : result.type, targetCollectedFrom: result.source, targetAccessRights:result.accessRights, targetEmbargoEndDate: (result.embargoEndDate == null?"":result.embargoEndDate)};

      text+="<li>"+this.errorInClaims[i].sourceType+": "+this.errorInClaims[i].sourceId +"(from "+this.errorInClaims[i].sourceCollectedFrom+") link to "+this.errorInClaims[i].targetType+": "+this.errorInClaims[i].targetId +"(from "+this.errorInClaims[i].targetCollectedFrom+") </li>";

    }
    text+="</ul></div>";
  }
  this.errorMessage+="<div>An error occured:</div>"+text;
  console.log(text);
  //   if(this.inline){
  //     this.show = "error";
  //     this.showChange.emit({
  //       value: this.show
  //     });
  // }

}


private createClaim(inlineResult:any, result:any, user:any){

}
  private createContextClaim(result:any, context:any, user:any){
    var claim =  { claimedBy : user, sourceId : context.concept.id, sourceType : "context", sourceCollectedFrom:"openaire", sourceAccessRights:"OPEN", sourceEmbargoEndDate:"no", targetId :  result.id , targetType : result.type, targetCollectedFrom: result.source, targetAccessRights:result.accessRights, targetEmbargoEndDate: (result.embargoEndDate == null?"":result.embargoEndDate)};
    return claim;
  }
  private createProjectClaim(result:any, project:any, user:any){
    //project.projectId
    // var dummyID = "dummyID";
    var claim =  { claimedBy : user, sourceId : project.projectId, sourceType : "project", sourceCollectedFrom:"openaire", sourceAccessRights:"OPEN", sourceEmbargoEndDate:"", targetId :  result.id , targetType : result.type, targetCollectedFrom: result.source, targetAccessRights:result.accessRights, targetEmbargoEndDate: (result.embargoEndDate == null?"":result.embargoEndDate)};
    return claim;
  }
  private createResultClaim(inlineResult:any, result:any, user:any){
    var claim =  { claimedBy : user, sourceId : result.id, sourceType : result.type, sourceCollectedFrom: result.source, sourceAccessRights: result.accessRights, sourceEmbargoEndDate: result.embargoEndDate, targetId :  inlineResult.id , targetType : inlineResult.type, targetCollectedFrom: inlineResult.source, targetAccessRights: inlineResult.accessRights, targetEmbargoEndDate: (inlineResult.embargoEndDate == null?"":inlineResult.embargoEndDate)};
    return claim;
  }
createDirectClaim(result, projects, contexts){
  var entity = {};
  var md5_id = Md5.hashStr(result.id);
  entity["originalId"]="userclaim___::"+md5_id;
  entity["openaireId"]="userclaim___::"+md5_id;
  entity["title"]=result.title;
  entity["title"] =(Array.isArray(result.title) && result.title.length > 0 )?result.title[0]:result.title;

  if(result.authors && result.authors.length > 0){
    entity["authors"]=result.authors;
  }
  if(result.publisher){
    entity["publisher"]=result.publisher;
  }
  if(result.description){
    entity["description"]=result.description;
  }
  // entity["language"]=""; no info
  entity["type"]=result.type;
  if(result.source == "crossref" || result.source == "datacite"){
    entity["pids"]= [];//{type:string, value:string}[];
    entity["pids"].push({type:"doi",value:result.id})
  }
  entity["licenseCode"]=result.accessRights;
  if(result.accessRights == "EMBARGO"){
    entity["embargoEndDate"]=result.embargoEndDate;
  }
  if(result.type =="publication"){
    entity["resourceType"]="0001";
  }else if(result.type =="dataset"){
    entity["resourceType"]="0021";
  }else if(result.type =="software"){
    entity["resourceType"]="0029";
  }
  entity["url"]=result.url;
  entity["hostedById"]="openaire____::1256f046-bf1f-4afc-8b47-d0b147148b18";
  if(result.source == "crossref"){
    entity["collectedFromId"]="openaire____::crossref";
  }else if(result.source == "datacite"){
    entity["collectedFromId"]="openaire____::datacite";
  }else if(result.source == "orcid"){
    entity["collectedFromId"]="openaire____::orcid";
  }else if(result.source == "orpenaire"){
    entity["collectedFromId"]="openaire____::driver";
  }

  if(projects.length>0){
    entity["linksToProjects"]=[];
    for(var i =0; i < projects.length; i++){
      // "info:eu-repo/grantAgreement/EC/FP7/283595/EU//OpenAIREplus",
      entity["linksToProjects"].push("info:eu-repo/grantAgreement/"+projects[i].funderName+"/"+projects[i].fundingLevel0+"/"+projects[i].code+"/"+projects[i].jurisdiction+"/"+projects[i].projectName+"/"+projects[i].projectAcronym);
    }
  }
  if(contexts.length > 0){
    entity["contexts"]=[];
    for(var i =0; i < contexts.length; i++){
      entity["contexts"].push(contexts[i].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 = "Invalid dates";
    this.alert.message = "There is a research result whose  publication date  is after project end date or before project start date. Or embargo end date of a research result is before research result's publication date.";
    this.alert.okButtonText = "Proceed anyway";
    this.alert.cancelButtonText = "Cancel";
    this.alert.open();
  }
   confirmClose(data){
    this.insertActions();
  }
}