import { BaseImporter } from './baseImporter';
import { Importer } from './importer';

import { ImportResult } from '../models/domain/importResult';

import { CardView } from '../models/view/cardView';
import { CipherView } from '../models/view/cipherView';
import { IdentityView } from '../models/view/identityView';
import { SecureNoteView } from '../models/view/secureNoteView';

import { CipherType } from '../enums/cipherType';

const HandledResults = new Set(['ADDRESS', 'AUTHENTIFIANT', 'BANKSTATEMENT', 'IDCARD', 'IDENTITY',
    'PAYMENTMEANS_CREDITCARD', 'PAYMENTMEAN_PAYPAL', 'EMAIL']);

export class DashlaneJsonImporter extends BaseImporter implements Importer {
    private result: ImportResult;

    parse(data: string): ImportResult {
        this.result = new ImportResult();
        const results = JSON.parse(data);
        if (results == null || results.length === 0) {
            this.result.success = false;
            return this.result;
        }

        if (results.ADDRESS != null) {
            this.processAddress(results.ADDRESS);
        }
        if (results.AUTHENTIFIANT != null) {
            this.processAuth(results.AUTHENTIFIANT);
        }
        if (results.BANKSTATEMENT != null) {
            this.processNote(results.BANKSTATEMENT, 'BankAccountName');
        }
        if (results.IDCARD != null) {
            this.processNote(results.IDCARD, 'Fullname');
        }
        if (results.PAYMENTMEANS_CREDITCARD != null) {
            this.processCard(results.PAYMENTMEANS_CREDITCARD);
        }
        if (results.IDENTITY != null) {
            this.processIdentity(results.IDENTITY);
        }

        for (const key in results) {
            if (results.hasOwnProperty(key) && !HandledResults.has(key)) {
                this.processNote(results[key], null, 'Generic Note');
            }
        }

        this.result.success = true;
        return this.result;
    }

    private processAuth(results: any[]) {
        results.forEach((credential: any) => {
            const cipher = this.initLoginCipher();
            cipher.name = this.getValueOrDefault(credential.title);

            cipher.login.username = this.getValueOrDefault(credential.login,
                this.getValueOrDefault(credential.secondaryLogin));
            if (this.isNullOrWhitespace(cipher.login.username)) {
                cipher.login.username = this.getValueOrDefault(credential.email);
            } else if (!this.isNullOrWhitespace(credential.email)) {
                cipher.notes = ('Email: ' + credential.email + '\n');
            }

            cipher.login.password = this.getValueOrDefault(credential.password);
            cipher.login.uris = this.makeUriArray(credential.domain);
            cipher.notes += this.getValueOrDefault(credential.note, '');

            this.convertToNoteIfNeeded(cipher);
            this.cleanupCipher(cipher);
            this.result.ciphers.push(cipher);
        });
    }

    private processIdentity(results: any[]) {
        results.forEach((obj: any) => {
            const cipher = new CipherView();
            cipher.identity = new IdentityView();
            cipher.type = CipherType.Identity;
            cipher.name = this.getValueOrDefault(obj.fullName, '');
            const nameParts = cipher.name.split(' ');
            if (nameParts.length > 0) {
                cipher.identity.firstName = this.getValueOrDefault(nameParts[0]);
            }
            if (nameParts.length === 2) {
                cipher.identity.lastName = this.getValueOrDefault(nameParts[1]);
            } else if (nameParts.length === 3) {
                cipher.identity.middleName = this.getValueOrDefault(nameParts[1]);
                cipher.identity.lastName = this.getValueOrDefault(nameParts[2]);
            }
            cipher.identity.username = this.getValueOrDefault(obj.pseudo);
            this.cleanupCipher(cipher);
            this.result.ciphers.push(cipher);
        });
    }

    private processAddress(results: any[]) {
        results.forEach((obj: any) => {
            const cipher = new CipherView();
            cipher.identity = new IdentityView();
            cipher.type = CipherType.Identity;
            cipher.name = this.getValueOrDefault(obj.addressName);
            cipher.identity.address1 = this.getValueOrDefault(obj.addressFull);
            cipher.identity.city = this.getValueOrDefault(obj.city);
            cipher.identity.state = this.getValueOrDefault(obj.state);
            cipher.identity.postalCode = this.getValueOrDefault(obj.zipcode);
            cipher.identity.country = this.getValueOrDefault(obj.country);
            if (cipher.identity.country != null) {
                cipher.identity.country = cipher.identity.country.toUpperCase();
            }
            this.cleanupCipher(cipher);
            this.result.ciphers.push(cipher);
        });
    }

    private processCard(results: any[]) {
        results.forEach((obj: any) => {
            const cipher = new CipherView();
            cipher.card = new CardView();
            cipher.type = CipherType.Card;
            cipher.name = this.getValueOrDefault(obj.bank);
            cipher.card.number = this.getValueOrDefault(obj.cardNumber);
            cipher.card.brand = this.getCardBrand(cipher.card.number);
            cipher.card.cardholderName = this.getValueOrDefault(obj.owner);
            if (!this.isNullOrWhitespace(cipher.card.brand)) {
                if (this.isNullOrWhitespace(cipher.name)) {
                    cipher.name = cipher.card.brand;
                } else {
                    cipher.name += (' - ' + cipher.card.brand);
                }
            }
            this.cleanupCipher(cipher);
            this.result.ciphers.push(cipher);
        });
    }

    private processNote(results: any[], nameProperty: string, name: string = null) {
        results.forEach((obj: any) => {
            const cipher = new CipherView();
            cipher.secureNote = new SecureNoteView();
            cipher.type = CipherType.SecureNote;
            if (name != null) {
                cipher.name = name;
            } else {
                cipher.name = this.getValueOrDefault(obj[nameProperty]);
            }
            cipher.notes = '';
            for (const key in obj) {
                if (obj.hasOwnProperty(key) && key !== nameProperty) {
                    const val = obj[key].toString();
                    if (!this.isNullOrWhitespace(val)) {
                        cipher.notes += (key + ': ' + obj[key].toString() + '\n');
                    }
                }
            }
            this.cleanupCipher(cipher);
            this.result.ciphers.push(cipher);
        });
    }
}