package setup

import (
	"bubble/setup/ui"
	"bubble/types"
	tea "github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/lipgloss"
)

type ModalModel struct {
	modalType types.ModalType
	title     string
	message   string
	buttons   []types.ModalButton
	focus     int
	width     int
	height    int
	onResult  func(result any) tea.Cmd
}

func NewModalModel(msg types.ShowModalMsg, width, height int) *ModalModel {
	if len(msg.ModalButtons) == 0 {
		msg.ModalButtons = []types.ModalButton{{Text: "Ok", Value: true}}
	}
	return &ModalModel{
		modalType: msg.Type,
		title:     msg.Title,
		message:   msg.Message,
		buttons:   msg.ModalButtons,
		focus:     0,
		width:     width,
		height:    height,
		onResult:  msg.OnResult,
	}
}

func (m *ModalModel) Init() tea.Cmd {
	return nil
}

func (m *ModalModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	switch msg := msg.(type) {
	case tea.WindowSizeMsg:
		m.width = msg.Width
		m.height = msg.Height
		return m, nil
	case tea.KeyMsg:
		switch msg.String() {
		case "left", "h", "shift+tab":
			m.focus--
			if m.focus < 0 {
				m.focus = len(m.buttons) - 1
			}
		case "right", "l", "tab":
			m.focus++
			if m.focus >= len(m.buttons) {
				m.focus = 0
			}
		case "enter", " ":
			//вытаскиваем значение кнопки
			result := m.buttons[m.focus].Value
			var cmd tea.Cmd
			if m.onResult != nil { //если функция кнопки не пустая, мы передаем в функцию значение кнопки
				cmd = m.onResult(result)
			}
			return m, tea.Batch( //объединяем 2 действия, функцию кнопки и закрытие модального окна
				cmd,
				func() tea.Msg { return types.CloseModalMsg{} },
			)
		}
	}
	return m, nil
}

func (m *ModalModel) View() string {
	contentWidth := ui.ContentWidth(m.width)
	modalWidth := min(contentWidth-10, ui.ModalMaxHeight)
	if modalWidth < 60 {
		modalWidth = 60
	}

	content := lipgloss.NewStyle().
		Width(modalWidth-8).
		Padding(1, 3).
		Render(m.message)

	var buttons []string

	for i, btn := range m.buttons {
		style := ui.ModalButtonNormal
		if i == m.focus {
			style = ui.ModalButtonFocused
		}
		buttons = append(buttons, style.Render(btn.Text))
	}
	buttonRow := lipgloss.JoinHorizontal(lipgloss.Center, buttons...)

	body := lipgloss.JoinVertical(lipgloss.Center, content, "\n\n", buttonRow)

	// Бордер и цвет в зависимости от типа
	var modalStyle lipgloss.Style
	var titleStyle lipgloss.Style
	switch m.modalType {
	case types.ModalError:
		modalStyle = ui.ModalBorderError
		titleStyle = ui.ModalTitleError
	case types.ModalWarning, types.ModalConfirm:
		modalStyle = ui.ModalBorderWarning
		titleStyle = ui.ModalTitleWarning
	default:
		modalStyle = ui.ModalBorderInfo
		titleStyle = ui.ModalTitleDefault
	}

	modal := lipgloss.NewStyle().
		Width(modalWidth).
		Padding(2, 4).
		Border(lipgloss.DoubleBorder()).
		BorderForeground(modalStyle.GetBorderBottomForeground()).
		Render(body)

	if m.title != "" {
		title := titleStyle.Width(modalWidth).Align(lipgloss.Center).Render(m.title)
		modal = lipgloss.JoinVertical(lipgloss.Center, title, modal)
	}
	return lipgloss.Place(m.width, m.height,
		lipgloss.Center, lipgloss.Center,
		modal,
		lipgloss.WithWhitespaceChars("."),
		lipgloss.WithWhitespaceForeground(ui.ColorGrey))

	//modalWidth := min(m.width-20, ui.ModalMaxHeight)
	//if modalWidth < 60 {
	//	modalWidth = 60
	//}
	//var borderColor lipgloss.Color
	//var titleStyle lipgloss.Style
	//
	//switch m.modalType {
	//case types.ModalError:
	//	borderColor = ui.ColorRed
	//	titleStyle = lipgloss.NewStyle().Foreground(ui.ColorRed).Bold(true)
	//case types.ModalWarning, types.ModalConfirm:
	//	borderColor = ui.ColorPurple
	//	titleStyle = lipgloss.NewStyle().Foreground(ui.ColorPurple).Bold(true)
	//default:
	//	borderColor = ui.ColorBlue
	//	titleStyle = lipgloss.NewStyle().Foreground(ui.ColorBlue).Bold(true)
	//}
	//content := lipgloss.NewStyle().Width(m.width-10).Padding(1, 2).Render(m.message)
	//var buttons []string
	//for i, btn := range m.buttons {
	//	style := lipgloss.NewStyle().
	//		Padding(0, 2).
	//		Border(lipgloss.RoundedBorder()).
	//		BorderForeground(ui.ColorGrey)
	//	if i == m.focus {
	//		style = style.Foreground(ui.ColorRed).BorderForeground(ui.ColorRed).Bold(true)
	//	} else {
	//		style = style.Foreground(ui.ColorGreenCyan)
	//	}
	//	buttons = append(buttons, style.Render(btn.Text))
	//}
	//buttonShow := lipgloss.JoinHorizontal(lipgloss.Center, buttons...)
	//body := lipgloss.JoinVertical(lipgloss.Center, content, "\n", buttonShow)
	//
	//modal := lipgloss.NewStyle().
	//	Width(modalWidth).
	//	Padding(1, 3).
	//	Border(lipgloss.DoubleBorder()).
	//	BorderForeground(borderColor).
	//	Render(body)
	//
	//if m.title != "" {
	//	title := titleStyle.Width(modalWidth - 6).Render(m.title)
	//	modal = lipgloss.JoinVertical(lipgloss.Center, title, modal)
	//}
	//
	//return lipgloss.Place(m.width, m.height,
	//	lipgloss.Center, lipgloss.Center,
	//	modal,
	//	lipgloss.WithWhitespaceChars("."),
	//	lipgloss.WithWhitespaceForeground(ui.ColorPurple),
	//)
}