import { languageMap } from "dwengo-1-common/util/language";
import { LearningObjectIdentifier } from "../../../entities/content/learning-object-identifier";
import { fetchSubmission } from "../../../services/submissions";
import { AuthenticatedRequest } from "../authenticated-request";
import { AuthenticationInfo } from "../authentication-info";
import { authorize } from "./auth-checks";
import { FALLBACK_LANG } from "../../../config";
import { mapToUsername } from "../../../interfaces/user";

export const onlyAllowSubmitter = authorize(
    (auth: AuthenticationInfo, req: AuthenticatedRequest) => (req.body as { submitter: string }).submitter === auth.username
);

export const onlyAllowIfHasAccessToSubmission = authorize(
    async (auth: AuthenticationInfo, req: AuthenticatedRequest) => {
        const { hruid: lohruid, id: submissionNumber } = req.params;
        const { language: lang, version: version } = req.query;

        const loId = new LearningObjectIdentifier(lohruid,  languageMap[lang as string] ?? FALLBACK_LANG, Number(version))
        const submission = await fetchSubmission(loId, Number(submissionNumber));

        if (auth.accountType === "teacher") {
            // Dit kan niet werken om dat al deze objecten niet gepopulate zijn. 
            return submission.onBehalfOf.assignment.within.teachers.map(mapToUsername).includes(auth.username);
        } 

        return submission.onBehalfOf.members.map(mapToUsername).includes(auth.username);
    }
)