// Copyright (C) The Arvados Authors. All rights reserved.
//
// SPDX-License-Identifier: AGPL-3.0

import { CancelToken } from 'axios';
import { snakeCase, camelCase } from "lodash";
import { CommonResourceService } from 'services/common-service/common-resource-service';
import {
    ListResults,
    ListArguments,
} from 'services/common-service/common-service';
import { AxiosInstance, AxiosRequestConfig } from 'axios';
import { CollectionResource } from 'models/collection';
import { ProjectResource } from 'models/project';
import { ProcessResource } from 'models/process';
import { WorkflowResource } from 'models/workflow';
import { TrashableResourceService } from 'services/common-service/trashable-resource-service';
import { ApiActions } from 'services/api/api-actions';
import { GroupResource } from 'models/group';
import { Session } from 'models/session';

export interface ContentsArguments {
    limit?: number;
    offset?: number;
    order?: string;
    filters?: string;
    recursive?: boolean;
    includeTrash?: boolean;
    excludeHomeProject?: boolean;
    select?: string[];
}

export interface SharedArguments extends ListArguments {
    include?: string;
}

export type GroupContentsResource =
    | CollectionResource
    | ProjectResource
    | ProcessResource
    | WorkflowResource;

export class GroupsService<
    T extends GroupResource = GroupResource
    > extends TrashableResourceService<T> {
    constructor(serverApi: AxiosInstance, actions: ApiActions) {
        super(serverApi, 'groups', actions);
    }

    async contents(uuid: string, args: ContentsArguments = {}, session?: Session, cancelToken?: CancelToken): Promise<ListResults<GroupContentsResource>> {
        const { filters, order, select, ...other } = args;
        const params = {
            ...other,
            filters: filters ? `[${filters}]` : undefined,
            order: order ? order : undefined,
            select: select
                ? JSON.stringify(select.map(sel => {
                    const sp = sel.split(".");
                    return sp.length === 2 ? (sp[0] + "." + snakeCase(sp[1])) : snakeCase(sel);
                }))
                : undefined
        };
        const pathUrl = (uuid !== '') ? `/${uuid}/contents` : '/contents';
        const cfg: AxiosRequestConfig = {
            params: CommonResourceService.mapKeys(snakeCase)(params),
        };

        if (session) {
            cfg.baseURL = session.baseUrl;
            cfg.headers = { Authorization: 'Bearer ' + session.token };
        }

        if (cancelToken) {
            cfg.cancelToken = cancelToken;
        }

        const response = await CommonResourceService.defaultResponse(
            this.serverApi.get(this.resourceType + pathUrl, cfg),
            this.actions,
            false
        );

        return {
            ...TrashableResourceService.mapKeys(camelCase)(response),
            clusterId: session && session.clusterId,
        };
    }

    shared(
        params: SharedArguments = {}
    ): Promise<ListResults<GroupContentsResource>> {
        return CommonResourceService.defaultResponse(
            this.serverApi.get(this.resourceType + '/shared', { params }),
            this.actions
        );
    }
}

export enum GroupContentsResourcePrefix {
    COLLECTION = 'collections',
    PROJECT = 'groups',
    PROCESS = 'container_requests',
    WORKFLOW = 'workflows',
}