package notifyrender

import (
	"bytes"
	"strings"
	"time"

	"github.com/olekukonko/tablewriter"
	tablewriterTw "github.com/olekukonko/tablewriter/tw"

	"rocketgit.ru/rsmon/worker/app/models"
	"rocketgit.ru/rsmon/worker/internal/util"
)

// RenderEventsTable provides functionality.
func RenderEventsTable(message *models.Message, tn time.Time) (string, string) {
	if message.Kind == stateTest {
		return "Тестовое сообщение от rsmon.ru", "Тестовое сообщение от rsmon.ru"
	}

	cols := []string{"Монитор", "Проверка", "Время начала", "Время окончания", "Продолжительность", "Статус", "Ошибка"}

	asciiBuf := bytes.NewBuffer([]byte{})
	markdownBuf := bytes.NewBuffer([]byte{})

	table := tablewriter.NewTable(asciiBuf,
		tablewriter.WithHeader(cols),
		tablewriter.WithBorders(tablewriterTw.Border{Left: tablewriterTw.On, Top: tablewriterTw.Off, Right: tablewriterTw.On, Bottom: tablewriterTw.Off}), //nolint:lll,staticcheck // deprecated API, pending migration
	)

	markdownBuf.WriteString("|")
	for _, col := range cols {
		markdownBuf.WriteString(" " + col + " |")
	}
	markdownBuf.WriteString("\n")

	markdownBuf.WriteString("|")
	for range cols {
		markdownBuf.WriteString(" --- |")
	}
	markdownBuf.WriteString("\n")

	for _, event := range message.Events { //nolint:gocritic // range copy is acceptable here
		checksDown := []string{}
		for _, check := range event.Checks { //nolint:gocritic // range copy is acceptable here
			msg := check.Kind + ":"
			if check.Name != nil {
				msg = msg + " " + *check.Name
			}
			if check.URL != nil {
				msg = msg + " " + *check.URL + ""
			}
			// msg = msg + "\n"
			if check.Error != nil {
				// msg = msg + "<span style='display: inline-block; background-color: red'>Ошибка:" + *check.Error + "</span>"
				msg = msg + " :warning: Ошибка:" + *check.Error
			}
			// msg = msg + "\n"

			checksDown = append(checksDown, msg)
		}

		startTime := ""
		if event.StartTime != nil {
			startTime = event.StartTime.Format("02.01.2006 15:04:05")
		}

		endTime := ""
		if event.EndTime != nil {
			endTime = event.EndTime.Format("02.01.2006 15:04:05")
		}

		row := []string{
			event.Monitor.GetLabel(),
			strings.Join(checksDown, " ; "),
			startTime,
			endTime,
			util.FormatDuration(event.GetDuration(tn)),
			event.State,
			event.Reason,
		}
		_ = table.Append(row)

		markdownBuf.WriteString("| ")
		for _, col := range row {
			markdownBuf.WriteString(" " + col + " |")
		}
		markdownBuf.WriteString("\n")
	}
	// markdownBuf.WriteString("\n")

	_ = table.Render()

	return asciiBuf.String(), markdownBuf.String()
}