// (C) 2007-2019 GoodData Corporation
import { Application } from "express";
import { first, partial } from "lodash";
import { IMockProject, IProjectGroup } from "../../model/MockProject";
import * as HttpStatusCodes from "http-status-codes";
import { IUser } from "../../model/User";
import { profileUri } from "../../route/routes";

export interface ICsvDataSet {
    dataset: {
        datasetId: string;
        datasetLoadStatus: string;
        loadedRowCount: number;
        name: string;
        firstSuccessfulUpdate: {
            created: string;
            owner: {
                fullName: string;
                login: string;
                profileUri: string;
            };
        };
    };
}

export interface ICsvDataSetsResponse {
    datasets: {
        items: ICsvDataSet[];
    };
}

function collectCsvDataSets(project: IMockProject): IProjectGroup[] {
    return project.groups.filter(group => group.meta.type === "csv");
}

function createCsvDataSet(user: IUser, group: IProjectGroup): ICsvDataSet {
    return {
        dataset: {
            datasetId: group.meta.identifier,
            datasetLoadStatus: "OK",
            loadedRowCount: 1000,
            name: group.meta.identifier,
            firstSuccessfulUpdate: {
                created: "2015-12-18T10:20:35.532Z",
                owner: {
                    fullName: `${user.firstName} ${user.lastName}`,
                    login: user.login,
                    profileUri: profileUri(user.identifier),
                },
            },
        },
    };
}

export const csv = {
    register(app: Application, project: IMockProject) {
        app.get(
            `/gdc/dataload/internal/projects/${project.project.meta.identifier}/csv/datasets`,
            (_req, res) => {
                const user = first(project.users);

                const body: ICsvDataSetsResponse = {
                    datasets: {
                        items: collectCsvDataSets(project).map(partial(createCsvDataSet, user)),
                    },
                };

                res.status(HttpStatusCodes.OK).json(body);
            },
        );

        return app;
    },
};