import {SafeResourceUrl} from "@angular/platform-browser";
import {properties} from "../../../../environments/environment";
import {Session, User} from "../../login/utils/helper.class";

export const ChartHelper = {
  prefix: "((__",
  suffix: "__))"
};

export type StakeholderType = 'funder' | 'ri' | 'project' | 'organization' | 'country' | 'researcher' | 'datasource';
export type IndicatorType = 'number' | 'chart';
export type IndicatorSize = 'small' | 'medium' | 'large';
export type IndicatorPathType = 'table' | 'bar' | 'column' | 'pie' | 'line' | 'other';
export type SourceType = 'statistics' | 'search' |'stats-tool' | 'old' | 'image';
export type Format = 'NUMBER' | 'PERCENTAGE';
export type Visibility = 'PUBLIC' | 'PRIVATE' | 'RESTRICTED';

export class Stakeholder {
  _id: string;
  type: StakeholderType;
  funderType: string;
  name: string;
  index_id;
  index_name: string;
  index_shortName: string;
  statsProfile: string = "monitor";
  locale: string = 'eu';
  alias: string;
  defaultId: string;
  visibility: Visibility;
  creationDate: Date = null;
  updateDate: Date;
  projectUpdateDate: Date;
  /** @warning Use pipe in HTML or StringUtils.getLogoUrl in components */
  logoUrl: string;
  isUpload: boolean = false;
  description: string;
  topics: any[];
  
  constructor(_id: string, type: StakeholderType, index_id: string, index_name: string, index_shortName: string, alias: string, visibility: Visibility, logoUrl: string, defaultId: string = null, description: string = null) {
    this._id = _id;
    this.type = type;
    this.index_id = index_id;
    this.index_name = index_name;
    this.index_shortName = index_shortName;
    this.defaultId = defaultId;
    this.alias = alias;
    this.visibility = visibility;
    this.logoUrl = logoUrl;
    this.description = description;
    this.topics = [];
  }
}

export class StakeholderInfo extends Stakeholder {
  isManager: boolean = false;
  isMember: boolean = false;
  
  public static toStakeholderInfo(stakeholders: (Stakeholder & StakeholderInfo)[], user: User): StakeholderInfo[] {
    return stakeholders.map(stakeholder => {
      stakeholder.isManager = Session.isPortalAdministrator(user) || Session.isMonitorCurator(user) || Session.isManager(stakeholder.type, stakeholder.alias, user);
      stakeholder.isMember = Session.isMember(stakeholder.type, stakeholder.alias, user);
      return stakeholder;
    })
  }
}

export class Topic {
  _id: string;
  name: string;
  alias: string;
  description: string;
  visibility: Visibility;
  creationDate: Date = null;
  updateDate: Date;
  defaultId: string;
  categories: Category[];
  icon: string;
  
  constructor(name: string, description: string, alias: string, visibility:Visibility, defaultId: string = null, icon: string = null) {
    this._id = null;
    this.name = name;
    this.description = description;
    this.alias = alias;
    this.visibility = visibility;
    this.defaultId = defaultId;
    this.categories = [];
    this.icon = icon;
  }
}

export class Category {
  _id: string;
  name: string;
  alias: string;
  description: string;
  creationDate: Date = null;
  updateDate: Date;
  visibility: Visibility;
  defaultId: string;
  subCategories: SubCategory[];
  
  constructor(name: string, description: string, alias: string, visibility: Visibility, defaultId: string = null) {
    this._id = null;
    this.name = name;
    this.description = description;
    this.alias = alias;
    this.visibility = visibility;
    this.defaultId = defaultId;
    this.subCategories = [];
  }
}

export class SubCategory {
  _id: string;
  name: string;
  alias: string;
  description: string;
  creationDate: Date = null;
  updateDate: Date;
  visibility: Visibility;
  defaultId: string;
  charts: Section[];
  numbers: Section[];

  constructor(name: string, description: string, alias: string, visibility: Visibility, defaultId: string = null) {
    this._id = null;
    this.name = name;
    this.description = description;
    this.alias = alias;
    this.visibility = visibility;
    this.defaultId = defaultId;
    this.charts = [];
    this.numbers = [];
  }
  
}

export class Section {
  _id: string;
  title: string;
  defaultId: string;
  creationDate: Date = null;
  updateDate: Date;
  stakeholderAlias: string;
  type: IndicatorType;
  indicators: Indicator[];
  
  constructor(type: IndicatorType, title: string = null, defaultId: string = null, stakeholderAlias: string = null) {
    this._id = null;
    this.title = title;
    this.type = type;
    this.defaultId = defaultId;
    this.stakeholderAlias = stakeholderAlias;
    this.indicators = [];
  }
}

export class Indicator {
  _id: string;
  name: string;
  description: string;
  additionalDescription: string;
  creationDate: Date = null;
  updateDate: Date;
  type: IndicatorType;
  width: IndicatorSize;
  height: IndicatorSize;
  tags: string[];
  visibility: Visibility;
  defaultId: string;
  indicatorPaths: IndicatorPath[];
  descriptionOverlay: boolean = false;

  constructor(name: string, description: string, additionalDescription:string, type: IndicatorType, width: IndicatorSize,height: IndicatorSize, visibility: Visibility, indicatorPaths: IndicatorPath[], defaultId: string = null) {
    this._id = null;
    this.name = name;
    this.description = description;
    this.additionalDescription = additionalDescription;
    this.type = type;
    this.width = width;
    this.height = height;
    this.visibility = visibility;
    this.defaultId = defaultId;
    this.indicatorPaths = indicatorPaths;
  }
  
}

export class IndicatorPath {
  type: IndicatorPathType;
  source: SourceType;
  url: string;
  safeResourceUrl: SafeResourceUrl; // initialize on front end
  jsonPath: string[];
  chartObject: string;
  parameters: any;
  filters: any;
  filtersApplied: number = 0;
  format: Format;
  
  constructor(type: IndicatorPathType, source: SourceType, url: string, chartObject: string, jsonPath: string[], format: Format = 'NUMBER') {
    this.type = type;
    this.url = url;
    this.source = source;
    this.jsonPath = jsonPath;
    this.chartObject = chartObject;
    this.parameters = {};
    this.filters = {};
    this.filtersApplied = 0;
    this.format = format;
  }
  
  static createParameters(funderName: string = null, title: string = null, chartType: string = null): any {
    return {
      index_name: funderName,
      title: title,
      type: chartType
    };
  }

}

export type FilterType = "fundingL0"|"start_year" | "end_year" | "co-funded" | "foslvl1" | "foslvl2";

export class IndicatorFilterUtils {
 
  static getFilter(fieldPath: string, filterType:FilterType, value:string|string[] =null) {
    if ((filterType == "start_year" || filterType == "end_year") && (fieldPath.indexOf(".year") != -1 || fieldPath.indexOf(".start year") != -1)
      && fieldPath.indexOf("indi_pub_downloads_year.year") == -1) {
      // make it work for any table with field year or start year no matter the type or the table name
      //exclude indi_pub_downloads_year.year because it throws errors. when there is a solution remove the exclusion
      if (filterType == "start_year") {
        return '{"groupFilters":[{"field":"' + fieldPath + '","type":">=","values":["' + ChartHelper.prefix + 'start_year' + ChartHelper.suffix + '"]}],"op":"AND"}';
      } else if (filterType == "end_year") {
        return '{"groupFilters":[{"field":"' + fieldPath + '","type":"<=","values":["' + ChartHelper.prefix + 'end_year' + ChartHelper.suffix + '"]}],"op":"AND"}';
      }
    }
    if ((filterType == "foslvl1" || filterType == "foslvl2") ){
        if (filterType == "foslvl1" && fieldPath.indexOf("result.result_fos.lvl1")!=-1 && value && value.length > 0) {
          let filterString = '{"groupFilters":[' ;
          let filters = [];
          for(let v of value) {
            filters.push('{"field":"' + fieldPath + '","type":"=","values":["' + v + '"]}');
          }
          filterString+=filters.join(", ")
          filterString+='],"op":"OR"}'
          return filterString;
        }
      if (filterType == "foslvl1" && fieldPath.indexOf("result.result_fos.lvl2")!=-1 && value && value.length > 0) {
        let filterString = '{"groupFilters":[' ;
        let filters = [];
        for(let v of value) {
          filters.push('{"field":"' + (fieldPath.replace(".lvl2",".lvl1")) + '","type":"=","values":["' + v + '"]}');
        }
        filterString+=filters.join(", ")
        filterString+='],"op":"OR"}'
        return filterString;
      }
      if (filterType == "foslvl2" && fieldPath.indexOf("result.result_fos.lvl2")!=-1 && value && value.length > 0) {
        let filterString = '{"groupFilters":[' ;
        let filters = [];
        for(let v of value) {
          filters.push('{"field":"' + fieldPath + '","type":"=","values":["' + v + '"]}');
        }
        filterString+=filters.join(", ")
        filterString+='],"op":"OR"}'
        return filterString;
      }
        return "";

    }
    let table = fieldPath&&fieldPath.length > 0? fieldPath.split(".")[0]:"";
    if(["publication", "software", "dataset", "other", "result"].indexOf(table)!=-1){
      return this.getResultFilter(table,filterType);
    }else if (table == "project"){
      return this.getProjectFilter(filterType);
    }
    else if (table == "country"){
      return this.getCountryFilter(filterType);
    }else if (table == "organization"){
      return this.getOrganizationFilter(filterType);
    }

    return "";
  }
  static getResultFilter(table: string = null, filterType:FilterType) {
    //works for tables ["publication", "software", "dataset", "other", "result"]
    if (filterType == "fundingL0") {
      if(properties.useOldStatisticsSchema) {
        return '{"groupFilters":[{"field":"' + table + '.project.funding level 0","type":"=","values":["' + ChartHelper.prefix + 'fundingL0' + ChartHelper.suffix + '"]}],"op":"AND"}';
      }else{//new statistcs schema
        return '{"groupFilters":[{"field":"' + table + '.project funding level 0","type":"=","values":["' + ChartHelper.prefix + 'fundingL0' + ChartHelper.suffix + '"]}],"op":"AND"}';
      }
    }else if (filterType == "co-funded") {
      return '{"groupFilters":[{"field":"' + table + '.No of funders","type":">","values":["1"]}],"op":"AND"}';

    }else if (table == "publication" &&(filterType == "foslvl1" || filterType == "foslvl2") ){
      return '{"groupFilters":[{"field":"' + (filterType == "foslvl1"?"publication.topics.result.result_fos.lvl1":"publication.topics.result.result_fos.lvl2") + '","type":"=","values":["' + ChartHelper.prefix + filterType + ChartHelper.suffix + '"]}],"op":"OR"}';
  }
    return "";
  }
  static getProjectFilter( filterType:FilterType) {
    //works for table "project"
    if (filterType == "fundingL0") {
      return '{"groupFilters":[{"field":"project.funding level 0","type":"=","values":["' + ChartHelper.prefix + 'fundingL0' + ChartHelper.suffix + '"]}],"op":"AND"}';
    }
    return "";
  }
  static getOrganizationFilter( filterType:FilterType) {
    //works for table "organization"
    if (filterType == "fundingL0") {
      return '{"groupFilters":[{"field":"organization.project.funding level 0","type":"=","values":["' + ChartHelper.prefix + 'fundingL0' + ChartHelper.suffix + '"]}],"op":"AND"}';
    }
    return "";
  }
  static getCountryFilter( filterType:FilterType) {
    //works for table "country"
    if (filterType == "fundingL0") {
      return '{"groupFilters":[{"field":"country.organization.project.funding level 0","type":"=","values":["' + ChartHelper.prefix + 'fundingL0' + ChartHelper.suffix + '"]}],"op":"AND"}';
    }
    return "";
  }

  static filterIndexOf(filterToAdd, currentFilters):any{
    for(let fi =0; fi< currentFilters.length; fi++){
      for(let gfi =0; gfi< currentFilters[fi]["groupFilters"].length; gfi++ ){
        if(currentFilters[fi]["groupFilters"][gfi].field == filterToAdd['groupFilters'][0]['field'] && currentFilters[fi]["groupFilters"][gfi].type == filterToAdd['groupFilters'][0]['type']){
            return {"filter":fi, "groupFilter":gfi};
        }
      }
    }
    return null;
  }
}

/**
 * @deprecated
 *
 * TODO: Remove after merge with develop
 * */
export enum StakeholderEntities {
	STAKEHOLDER = 'Dashboard',
	FUNDER = 'Funder',
	RI = 'Research Initiative',
	ORGANIZATION = 'Research Institution',
	PROJECT = 'Project',
  COUNTRY = 'National',

	STAKEHOLDERS = 'Dashboards',
	FUNDERS = 'Funders',
	RIS = 'Research Initiatives',
	ORGANIZATIONS = 'Research Institutions',
	PROJECTS = 'Projects'
}