/*
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 requests

import (
	"errors"
	"fmt"

	"git.zervo.org/zervo/goskola24api/internal/types"
	"git.zervo.org/zervo/goskola24api/internal/utility"

	pubtypes "git.zervo.org/zervo/goskola24api/types"
)

func GetSchedule(year int, week int, day int, school pubtypes.School, term pubtypes.SchoolTerm, class pubtypes.Class) (_result any, _error error) {
	// Verify week number
	if week > 52 || week < 1 {
		return nil, errors.New("week number out of range (1-53): " + fmt.Sprint(week))
	}

	// Verify year
	if year > 9999 || year < 2000 {
		return nil, errors.New("year number out of range (2000-9999): " + fmt.Sprint(year))
	}

	// Verify day
	if day > 7 || day < 0 {
		return nil, errors.New("day number out of range (0-7): " + fmt.Sprint(day))
	}

	// Get render key
	renderKey, err := utility.GetRendererKey()
	if err != nil {
		return nil, errors.New("failed to get render key: " + err.Error())
	}

	// Construct request
	request := types.RequestSchedule{
		RenderKey:            renderKey,
		Host:                 school.HostName,
		UnitGuid:             school.SchoolId,
		StartDate:            nil,
		EndDate:              nil,
		ScheduleDay:          day,
		BlackAndWhite:        false,
		Width:                1000,
		Height:               1000,
		SelectionType:        0,
		Selection:            class.ClassId,
		ShowHeader:           false,
		PeriodText:           "",
		Week:                 week,
		Year:                 year,
		SchoolYear:           term.TermId,
		PersonalTimetable:    false,
		PrivateFreeTextMode:  nil,
		PrivateSelectionMode: false,
		CustomerKey:          "",
	}

	response, err := utility.Request(request, "render/timetable")
	if err != nil {
		return nil, errors.New("could not get schedule data: " + err.Error())
	}

	return response, nil
}