//Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
//Copyright (C) 2024 HTWKalender support@htwkalender.de

//This program is free software: you can redistribute it and/or modify
//it under the terms of the GNU Affero General Public License as published by
//the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.

//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 for more details.

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

package v2

import (
	"github.com/pocketbase/pocketbase/tools/types"
	"golang.org/x/net/html"
	"htwkalender/model"
	"htwkalender/service/date"
	"htwkalender/service/functions"
	"strings"
)

func toEvents(tables [][]*html.Node, days []string) []model.Event {
	var events []model.Event

	for table := range tables {
		for row := range tables[table] {

			tableData := findTableData(tables[table][row])
			if len(tableData) > 0 {
				start, _ := types.ParseDateTime(date.CreateTimeFromHourAndMinuteString(getTextContent(tableData[1])))
				end, _ := types.ParseDateTime(date.CreateTimeFromHourAndMinuteString(getTextContent(tableData[2])))

				courses := getTextContent(tableData[7])
				name := getTextContent(tableData[3])
				if functions.OnlyWhitespace(name) {
					name = "Sonderveranstaltung"
				}

				if len(courses) > 0 {
					for _, course := range strings.Split(courses, " ") {
						events = append(events, model.Event{
							Day:       days[table],
							Week:      getTextContent(tableData[0]),
							Start:     start,
							End:       end,
							Name:      name,
							EventType: getTextContent(tableData[4]),
							Notes:     getTextContent(tableData[5]),
							Prof:      getTextContent(tableData[6]),
							Rooms:     getTextContent(tableData[8]),
							BookedAt:  getTextContent(tableData[10]),
							Course:    strings.TrimSpace(course),
						})
					}
				}
			}
		}

	}
	return events
}