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package choicepopup
import (
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/kyren223/eko/pkg/assert"
)
type Model struct {
Width int
Height int
Dialogue viewport.Model
Cycle bool
choices []string
index int
SelectedStyle lipgloss.Style
UnselectedStyle lipgloss.Style
ChoicesStyle lipgloss.Style
Style lipgloss.Style
}
func New(width, height int) Model {
return Model{
Width: width,
Height: height,
Dialogue: viewport.New(0, 0),
}
}
func (m Model) Init() tea.Cmd {
return nil
}
func (m Model) View() string {
var choices []string
for i, choice := range m.choices {
if i == m.index {
choices = append(choices, m.SelectedStyle.Render(choice))
} else {
choices = append(choices, m.UnselectedStyle.Render(choice))
}
}
styledChoices := m.ChoicesStyle.MaxWidth(m.Width).MaxHeight(m.Height).
Render(lipgloss.JoinHorizontal(lipgloss.Center, choices...))
m.Dialogue.Width = m.Width
m.Dialogue.Height = m.Height - lipgloss.Height(styledChoices)
popup := lipgloss.JoinVertical(lipgloss.Left, m.Dialogue.View(), styledChoices)
return m.Style.Render(popup)
}
func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
var cmd tea.Cmd
m.Dialogue, cmd = m.Dialogue.Update(msg)
return m, cmd
}
func (m *Model) SetChoices(choices ...string) {
assert.Assert(len(choices) != 0, "choices must have at least 1 element")
m.choices = choices
m.index = 0
}
func (m *Model) ScrollLeft() {
if m.index == 0 {
if m.Cycle {
m.index = len(m.choices) - 1
}
return
}
m.index--
}
func (m *Model) ScrollRight() {
if m.index == len(m.choices)-1 {
if m.Cycle {
m.index = 0
}
return
}
m.index++
}
func (m Model) Select() (index int, choice string) {
return m.index, m.choices[m.index]
}
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