/*
GoSkola24API
Copyright (C) 2024, Zervó Zadachin

DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License version 3
as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License version 3 for more details.

This program incorporates external libraries for certain functionalities.
These libraries are covered by their respective licenses, and their usage
agreements are as outlined in their respective documentation or source
code.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package utility

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"net/http"

	"git.zervo.org/zervo/GoSkola24API/internal/types"
)

func Request(data any, endpoint string) (_response interface{}, _error error) {
	const xscope string = "8a22163c-8662-4535-9050-bc5e1923df48" // Might need to change this

	var url string = fmt.Sprintf("https://web.skola24.se/api/%s", endpoint)

	// Enconde JSON
	jsonRequest, err := json.Marshal(data)

	if err != nil {
		return nil, errors.New("could not encode json: " + err.Error())
	}

	// Create the POST request
	postRequest, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonRequest))
	postRequest.Header.Add("Content-Type", "application/json")
	postRequest.Header.Add("X-Scope", xscope)

	if err != nil {
		return nil, errors.New("could not create request: " + err.Error())
	}

	// Send the POST request
	response, err := http.DefaultClient.Do(postRequest)

	if err != nil {
		return nil, errors.New("request failed: " + err.Error())
	}

	// Read body
	defer response.Body.Close()
	bodyBytes, _ := io.ReadAll(response.Body)

	// Unmarshal response
	var responseData types.BaseResponse
	json.Unmarshal(bodyBytes, &responseData)

	// Return as raw bytes (let consumer do type assertion)
	return responseData.Data, nil
}