Module licenseware.app_builder.reports_namespace.report_image_preview_dark_namespace

import os
import sys
from typing import List

from flask import send_from_directory
from flask_restx import Namespace, Resource

from licenseware.decorators import failsafe
from licenseware.decorators.auth_decorators import authorization_check
from licenseware.report_builder import ReportBuilder


def create_report_resource(report: ReportBuilder):
    dirpath = os.path.join(sys.path[0], "app/resources/")
    filename = report.preview_image_dark or report.report_id + '_dark.png'

    resources_path = os.path.join(dirpath, filename)

    if not os.path.exists(resources_path):
        return None  # exit func if image doesn't exist

    class ReportRegister(Resource):
        @failsafe(fail_code=500)
        @authorization_check
        def get(self):
            return send_from_directory(
                directory=dirpath,
                path=filename,
                as_attachment=False
            )

    return ReportRegister


def get_report_image_preview_dark_namespace(ns: Namespace, reports: List[ReportBuilder]):
    for report in reports:

        RR = create_report_resource(report)
        if RR is None: continue

        @ns.doc(
            description="Get report image preview dark image",
            responses={
                200: "Returned image",
                403: "Missing `Authorization` information",
                500: "Could not return the image"
            },
        )
        class TempReportResource(RR):
            ...

        ReportResource = type(
            report.report_id.replace("_", "").capitalize() + 'previewImageDark',
            (TempReportResource,),
            {}
        )

        ns.add_resource(ReportResource, report.preview_image_dark_path)

    return ns