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

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

export class ClipperzHtmlImporter extends BaseImporter implements Importer {
    parse(data: string): Promise<ImportResult> {
        const result = new ImportResult();
        const doc = this.parseXml(data);
        if (doc == null) {
            result.success = false;
            return Promise.resolve(result);
        }

        const textarea = doc.querySelector('textarea');
        if (textarea == null || this.isNullOrWhitespace(textarea.textContent)) {
            result.errorMessage = 'Missing textarea.';
            result.success = false;
            return Promise.resolve(result);
        }

        const entries = JSON.parse(textarea.textContent);
        entries.forEach((entry: any) => {
            const cipher = this.initLoginCipher();
            if (!this.isNullOrWhitespace(entry.label)) {
                cipher.name = entry.label.split(' ')[0];
            }
            if (entry.data != null && !this.isNullOrWhitespace(entry.data.notes)) {
                cipher.notes = entry.data.notes.split('\\n').join('\n');
            }

            if (entry.currentVersion != null && entry.currentVersion.fields != null) {
                for (const property in entry.currentVersion.fields) {
                    if (!entry.currentVersion.fields.hasOwnProperty(property)) {
                        continue;
                    }

                    const field = entry.currentVersion.fields[property];
                    const actionType = field.actionType != null ? field.actionType.toLowerCase() : null;
                    switch (actionType) {
                        case 'password':
                            cipher.login.password = this.getValueOrDefault(field.value);
                            break;
                        case 'email':
                        case 'username':
                        case 'user':
                        case 'name':
                            cipher.login.username = this.getValueOrDefault(field.value);
                            break;
                        case 'url':
                            cipher.login.uris = this.makeUriArray(field.value);
                            break;
                        default:
                            const labelLower = field.label != null ? field.label.toLowerCase() : null;
                            if (cipher.login.password == null && this.passwordFieldNames.indexOf(labelLower) > -1) {
                                cipher.login.password = this.getValueOrDefault(field.value);
                            } else if (cipher.login.username == null &&
                                this.usernameFieldNames.indexOf(labelLower) > -1) {
                                cipher.login.username = this.getValueOrDefault(field.value);
                            } else if ((cipher.login.uris == null || cipher.login.uris.length === 0) &&
                                this.uriFieldNames.indexOf(labelLower) > -1) {
                                cipher.login.uris = this.makeUriArray(field.value);
                            } else {
                                this.processKvp(cipher, field.label, field.value);
                            }
                            break;
                    }
                }
            }

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

        result.success = true;
        return Promise.resolve(result);
    }
}