package main

import (
	"fmt"
	"os"

	"github.com/charmbracelet/bubbles/progress"
	tea "github.com/charmbracelet/bubbletea"
)

type Slider struct {
	name   string
	val    int
	max    int
	bar    progress.Model
	loaded bool
}

func (m Slider) Init() tea.Cmd {
	return m.bar.Init()
}

func (m Slider) View() string {
	return m.name + "\n" + m.bar.View()
}

func (m Slider) Set(val int) (tea.Model, tea.Cmd) {
	m.val = val
	if m.val > m.max {
		m.val = m.max
	}
	if m.val < 0 {
		m.val = 0
	}
	return m, m.bar.SetPercent(float64(m.val) / float64(m.max))
}

func (m Slider) Inc(val int) (tea.Model, tea.Cmd) {
	return m.Set(m.val + val)
}

func (m Slider) Dec(val int) (tea.Model, tea.Cmd) {
	return m.Set(m.val - val)
}

func (m Slider) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	switch msg := msg.(type) {
	case tea.KeyMsg:
		switch msg.String() {
		case "l":
			// cmd := m.bar.IncrPercent(.1)
			// return m, cmd
			return m.Inc(25)
		case "L":
			// cmd := m.bar.IncrPercent(.01)
			// return m, cmd
			return m.Inc(1)
		case "h":
			return m.Dec(25)
			// cmd := m.bar.DecrPercent(.1)
			// return m, cmd
		case "H":
			return m.Dec(1)
			// cmd := m.bar.DecrPercent(.01)
			// return m, cmd
		case "r":
			return m.Set(128)
		default:
			return m, tea.Quit
		}
	case tea.WindowSizeMsg:
		if m.bar.Width != msg.Width && !m.loaded {
			m.loaded = true
			m.bar = progress.New(progress.WithSolidFill("#FF0000"))
			return m.Set(m.val)
		}
	case progress.FrameMsg:
		progressModel, cmd := m.bar.Update(msg)
		m.bar = progressModel.(progress.Model)
		return m, cmd
	}
	return m, nil
}

func New() *Slider {
	return &Slider{name: "Red", max: 255, val: 128}
}

func main() {
	m := New()
	if _, err := tea.NewProgram(m).Run(); err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}
}