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package write
import (
"fmt"
"strings"
"github.com/charmbracelet/bubbles/help"
"github.com/charmbracelet/bubbles/key"
"github.com/charmbracelet/bubbles/textarea"
tea "github.com/charmbracelet/bubbletea"
"github.com/cqroot/prompt/constants"
)
type Model struct {
textarea textarea.Model
validateFunc ValidateFunc
quitting bool
err error
keys KeyMap
showHelp bool
help help.Model
teaProgramOpts []tea.ProgramOption
}
func New(defaultValue string, opts ...Option) *Model {
ta := textarea.New()
ta.Placeholder = defaultValue
ta.ShowLineNumbers = false
ta.Focus()
m := &Model{
textarea: ta,
quitting: false,
err: nil,
keys: DefaultKeyMap,
showHelp: false,
help: help.New(),
teaProgramOpts: make([]tea.ProgramOption, 0),
}
for _, opt := range opts {
opt(m)
}
return m
}
func (m Model) Data() string {
if m.textarea.Value() == "" {
return m.textarea.Placeholder
} else {
return m.textarea.Value()
}
}
func (m Model) DataString() string {
data := m.Data()
if strings.Contains(data, "\n") {
return fmt.Sprintf("...(%d bytes)", len(m.Data()))
} else {
return data
}
}
func (m Model) Quitting() bool {
return m.quitting
}
func (m Model) Error() error {
return m.err
}
func (m Model) TeaProgramOpts() []tea.ProgramOption {
return m.teaProgramOpts
}
func (m Model) KeyBindings() []key.Binding {
return nil
}
func (m *Model) WithValidateFunc(vf ValidateFunc) *Model {
m.validateFunc = vf
return m
}
func (m Model) Init() tea.Cmd {
return textarea.Blink
}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m.help.Width = msg.Width
case tea.KeyMsg:
switch {
case key.Matches(msg, m.keys.Confirm):
if m.err == nil && m.validateFunc != nil {
currVal := m.textarea.Value()
if currVal == "" {
currVal = m.textarea.Placeholder
}
m.err = m.validateFunc(currVal)
}
m.quitting = true
return m, tea.Quit
case key.Matches(msg, m.keys.Quit):
m.quitting = true
m.err = constants.ErrUserQuit
return m, tea.Quit
}
}
var cmd tea.Cmd
m.textarea, cmd = m.textarea.Update(msg)
return m, cmd
}
func (m Model) View() string {
view := "\n" + m.textarea.View()
if m.textarea.Value() != "" && m.validateFunc != nil {
err := m.validateFunc(m.textarea.Value())
if err != nil {
view = view + constants.DefaultErrorPromptPrefixStyle.Render("\n✖ ") +
constants.DefaultNoteStyle.Render(err.Error())
}
}
if m.showHelp {
view += "\n\n"
view += m.help.View(m.keys)
}
return view
}
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