package ui

import (
	"github.com/gdamore/tcell/v2"
	"github.com/rivo/tview"
)

type column struct {
	statusID   int
	statusName string
	cards      *tview.List
}

func (u *UI) newColumn(statusID int, statusName string) column {
	cards := tview.NewList()

	cards.SetBorder(true)
	cards.ShowSecondaryText(false)
	cards.SetTitle(" " + statusName + " ")
	cards.SetHighlightFullLine(true)
	cards.SetSelectedFocusOnly(true)
	cards.SetWrapAround(false)

	cards.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
		if event.Rune() == 'h' || event.Key() == tcell.KeyLeft {
			u.shiftColumnFocus(shiftLeft)
		} else if event.Rune() == 'l' || event.Key() == tcell.KeyRight {
			u.shiftColumnFocus(shiftRight)
		}

		return event
	})

	c := column{
		statusID:   statusID,
		statusName: statusName,
		cards:      cards,
	}

	return c
}

func (u *UI) setColumnFocus() {
	u.SetFocus(u.columns[u.focusedColumn].cards)
}

func (u *UI) shiftColumnFocus(s int) {
	switch s {
	case shiftRight:
		if u.focusedColumn == len(u.columns)-1 {
			u.focusedColumn = 0
		} else {
			u.focusedColumn++
		}
	case shiftLeft:
		if u.focusedColumn == 0 {
			u.focusedColumn = len(u.columns) - 1
		} else {
			u.focusedColumn--
		}
	}

	u.setColumnFocus()
}