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|
package auth
import (
"errors"
"fmt"
"strings"
"github.com/charmbracelet/bubbles/textinput"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
authfield "github.com/kyren223/eko/internal/client/ui/auth/field"
)
var (
focusedStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("198"))
cursorStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("198"))
noStyle = lipgloss.NewStyle()
errorStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#F16265"))
fieldStyle = lipgloss.NewStyle().
PaddingLeft(1).
Border(lipgloss.RoundedBorder()).
BorderForeground(lipgloss.Color("#007E8A"))
focusedButton = focusedStyle.Render("[ sign-up ]")
blurredButton = fmt.Sprintf("[ %s ]", lipgloss.NewStyle().
Foreground(lipgloss.Color("240")).
Render("sign-up"))
headerStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#54D7A9"))
titleStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#5874FF"))
)
type Model struct {
width int
height int
focusIndex int
fields []authfield.Model
}
func New() Model {
m := Model{
fields: make([]authfield.Model, 3),
}
var field authfield.Model
for i := range m.fields {
field = authfield.New(32)
field.Input.Cursor.Style = cursorStyle
field.Style = fieldStyle
field.ErrorStyle = errorStyle
field.FocusedStyle = focusedStyle
field.BlurredStyle = noStyle
switch i {
case 0:
field.Header = "Username"
field.Input.Placeholder = "Username"
field.Focus()
field.Input.Validate = func(username string) error {
if len(username) == 0 {
return errors.New("* required field")
}
return nil
}
case 1:
field.Header = "Email (Optional)"
field.Input.Placeholder = "Email"
field.Input.CharLimit = 64
field.Input.Validate = func(email string) error {
if len(email) == 0 {
return errors.New("* required field")
}
var errs []string
if !strings.ContainsRune(email, '@') {
errs = append(errs, "- missing @")
}
if !strings.ContainsRune(email, '.') {
errs = append(errs, "- missing .")
}
proton := strings.Contains(email, "proton.me") || strings.Contains(email, "protonmail.com")
gmail := strings.Contains(email, "gmail.com")
outlook := strings.Contains(email, "hotmail.com")
if !(proton || gmail || outlook) {
errs = append(errs, "- unknown email provider")
}
if errs != nil {
return errors.New(strings.Join(errs, "\n"))
}
return nil
}
case 2:
field.Header = "Password"
field.Input.Placeholder = "Password"
field.Input.EchoMode = textinput.EchoPassword
field.Input.EchoCharacter = '*'
// field.Input.EchoCharacter = '•'
field.Input.Validate = func(password string) error {
if len(password) == 0 {
return errors.New("* required field")
}
return nil
}
}
field.Header = headerStyle.Render(field.Header)
m.fields[i] = field
}
return m
}
func (m Model) Init() tea.Cmd {
return nil
}
func (m Model) View() string {
var builder strings.Builder
builder.WriteRune('\n')
for i := range m.fields {
builder.WriteString(m.fields[i].View())
if i < len(m.fields)-1 {
builder.WriteRune('\n')
}
}
button := &blurredButton
if m.focusIndex == len(m.fields) {
button = &focusedButton
}
submit := lipgloss.NewStyle().
Render(*button)
fmt.Fprintf(&builder, "\n\n%s", submit)
title := titleStyle.Render(`
____ _ ____ _ _ _ _ ___
[__ | | __ |\ | __ | | |__]
___] | |__] | \| |__| |
`)
// Tiny offset so odd numbers will have the extra char on the right, ie: 12 <thing> 13
content := lipgloss.JoinVertical(lipgloss.Center-0.01, title, builder.String())
width := lipgloss.Width(content)
vp := viewport.New(50, 25)
vp.SetContent(content)
vp.Style = vp.Style.
Border(lipgloss.RoundedBorder()).
BorderForeground(lipgloss.Color("#007E8A")).
// NOTE: Without -1 it wraps/truncates, not sure why
Padding(0, (vp.Width-width)/2-1)
return lipgloss.Place(
m.width, m.height,
lipgloss.Center, lipgloss.Center,
vp.View(),
)
}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m.width, m.height = msg.Width, msg.Height
return m, nil
case tea.KeyMsg:
key := msg.Type
switch key {
case tea.KeyCtrlC:
return m, tea.Quit
case tea.KeyTab, tea.KeyShiftTab, tea.KeyEnter, tea.KeyUp, tea.KeyDown:
// User pressed submit
if key == tea.KeyEnter && m.focusIndex == len(m.fields) {
var cmds []tea.Cmd
for i, field := range m.fields {
if field.Input.Validate == nil {
continue
}
field.Input.Err = field.Input.Validate(field.Input.Value())
if field.Input.Err != nil {
var cmd tea.Cmd
m.fields[i], cmd = field.Update(msg)
cmds = append(cmds, cmd)
}
}
if len(cmds) == 0 {
return m, tea.Quit
}
return m, tea.Batch(cmds...)
}
// Cycle indexes
if key == tea.KeyUp || key == tea.KeyShiftTab {
m.focusIndex--
} else {
m.focusIndex++
}
if m.focusIndex > len(m.fields) {
m.focusIndex = 0
} else if m.focusIndex < 0 {
m.focusIndex = len(m.fields)
}
cmds := make([]tea.Cmd, len(m.fields))
for i := 0; i <= len(m.fields)-1; i++ {
if i == m.focusIndex {
cmds[i] = m.fields[i].Focus()
} else {
m.fields[i].Blur()
}
}
return m, tea.Batch(cmds...)
}
}
cmd := m.updateInputs(msg)
return m, cmd
}
func (m *Model) updateInputs(msg tea.Msg) tea.Cmd {
cmds := make([]tea.Cmd, len(m.fields))
// Only fields with Focus() set will respond, so it's safe to simply
// update all of them here without any further logic.
for i := range m.fields {
m.fields[i], cmds[i] = m.fields[i].Update(msg)
}
return tea.Batch(cmds...)
}
|
