// function to fetch course data from the API

import { Module } from "../model/module.ts";

export async function fetchCourse(): Promise<string[]> {
  const courses: string[] = [];
  await fetch("/api/courses")
    .then((response) => {
      return response.json();
    })
    .then((coursesResponse) => {
      coursesResponse.forEach((course: string) => courses.push(course));
    });
  return courses;
}

export async function fetchModulesByCourseAndSemester(
  course: string,
  semester: string,
): Promise<Module[]> {
  const modules: Module[] = [];
  await fetch("/api/course/modules?course=" + course + "&semester=" + semester)
    .then((response) => {
      return response.json();
    })
    .then((modulesResponse) => {
      modulesResponse.forEach((module: Module) =>
        modules.push(
          new Module(
            module.name,
            course,
            module.name,
            module.prof,
            semester,
            module.events,
          ),
        ),
      );
    });
  return modules;
}

export async function fetchAllModules(): Promise<Module[]> {
  let modules: Module[] = [];
  await fetch("/api/modules")
    .then((response) => {
      return response.json() as Promise<Module[]>;
    })
    .then((responseModules: Module[]) => {
      responseModules.forEach((module: Module) => {
        modules.push(
          new Module(
            module.name,
            module.course,
            module.name,
            module.prof,
            module.semester,
            module.events,
          ),
        );
      });
    });

  return modules;
}