import { DashUserModel } from "./user_model";
import * as rp from 'request-promise';
import { RouteStore } from "../../RouteStore";
import { ServerUtils } from "../../ServerUtil";
import { Server } from "../../../client/Server";
import { Document } from "../../../fields/Document";
import { KeyStore } from "../../../fields/KeyStore";
import { ListField } from "../../../fields/ListField";
import { Documents } from "../../../client/documents/Documents";

export class CurrentUserUtils {
    private static curr_email: string;
    private static curr_id: string;
    private static user_document: Document;

    public static get email(): string {
        return CurrentUserUtils.curr_email;
    }

    public static get id(): string {
        return CurrentUserUtils.curr_id;
    }

    public static get UserDocument(): Document {
        return CurrentUserUtils.user_document;
    }

    private static createUserDocument(id: string): Document {
        let doc = new Document(id);

        doc.Set(KeyStore.Workspaces, new ListField<Document>());
        doc.Set(KeyStore.OptionalRightCollection, Documents.SchemaDocument([], { title: "Pending documents" }))
        return doc;
    }

    public static loadCurrentUser(): Promise<any> {
        let userPromise = rp.get(ServerUtils.prepend(RouteStore.getCurrUser)).then((response) => {
            if (response) {
                let obj = JSON.parse(response);
                CurrentUserUtils.curr_id = obj.id as string;
                CurrentUserUtils.curr_email = obj.email as string;
            } else {
                throw new Error("There should be a user! Why does Dash think there isn't one?")
            }
        });
        let userDocPromise = rp.get(ServerUtils.prepend(RouteStore.getUserDocumentId)).then(id => {
            if (id) {
                return Server.GetField(id).then(field => {
                    if (field instanceof Document) {
                        this.user_document = field;
                    } else {
                        this.user_document = this.createUserDocument(id);
                    }
                })
            } else {
                throw new Error("There should be a user id! Why does Dash think there isn't one?")
            }
        });
        return Promise.all([userPromise, userDocPromise]);
    }
}