package gui

import (
	"fmt"
	"os"

	tea "github.com/charmbracelet/bubbletea"
)

type Mode int64

const (
	Select Mode = iota
	Create
	Draw
)

func (m *model) Init() tea.Cmd {
	// Just return `nil`, which means "no I/O right now, please."
	return nil
}

func (m *model) switchMode(mode Mode) {
	// TODO: initialization stuff
	switch mode {
	case Select:
		m.mode = Select
	case Draw:
		m.mode = Draw
	case Create:
		m.mode = Create
	}
}

func (m *model) cardListToString() string {
	s := ""
	for i, card := range m.deck {
		if _, ok := m.selected[i]; ok {
			s += fmt.Sprintf("%s [%s]\n", card.Front, card.Back)
		}
	}
	return s
}

func (m *model) View() string {
	if m.mode == Draw {
		return m.viewDraw()
	} else if m.mode == Create {
		return m.viewCreate()
	}
	// Select is default mode
	return m.viewSelect()
}

func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	if m.mode == Draw {
		return m.updateDraw(msg)
	} else if m.mode == Create {
		return m.updateCreate(msg)
	}
	// Select is default mode
	return m.updateSelect(msg)
}
func Run() {
	initial := initialModel()
	p := tea.NewProgram(&initial)
	if err := p.Start(); err != nil {
		fmt.Printf("Alas, there's been an error: %v", err)
		os.Exit(1)
	}
}