package views

import (
	"strings"

	"task/internal/ticket"
)

// BoardMenu renders a board-list picker overlay.
type BoardMenu struct {
	Cursor int
	Width  int
	Styles StatusMenuStyles
}

// NewBoardMenu creates a menu with the given board list pre-selected.
func NewBoardMenu(current ticket.BoardList, width int, styles StatusMenuStyles) BoardMenu {
	return BoardMenu{
		Cursor: current.Index(),
		Width:  width,
		Styles: styles,
	}
}

// MoveDown moves the selection down.
func (m *BoardMenu) MoveDown() {
	if m.Cursor < len(ticket.AllBoardLists)-1 {
		m.Cursor++
	}
}

// MoveUp moves the selection up.
func (m *BoardMenu) MoveUp() {
	if m.Cursor > 0 {
		m.Cursor--
	}
}

// Selected returns the currently highlighted board list.
func (m BoardMenu) Selected() ticket.BoardList {
	if m.Cursor < 0 || m.Cursor >= len(ticket.AllBoardLists) {
		return ticket.BoardAll
	}
	return ticket.AllBoardLists[m.Cursor]
}

// View renders the board menu.
func (m BoardMenu) View() string {
	var lines []string
	lines = append(lines, m.Styles.Title.Render("Switch list"))
	for i, bl := range ticket.AllBoardLists {
		label := "  " + bl.Label()
		if i == m.Cursor {
			label = m.Styles.Selected.Render("▸ " + bl.Label())
		} else {
			label = m.Styles.Normal.Render(label)
		}
		lines = append(lines, label)
	}
	body := strings.Join(lines, "\n")
	w := m.Width
	if w < 20 {
		w = 20
	}
	return m.Styles.Box.Width(min(40, w-2)).Render(body)
}