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|
package client
import (
"context"
"crypto/ed25519"
"fmt"
"log"
"slices"
"strings"
"github.com/charmbracelet/bubbles/cursor"
"github.com/charmbracelet/bubbles/textarea"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/kyren223/eko/internal/client/api"
"github.com/kyren223/eko/internal/client/gateway"
"github.com/kyren223/eko/internal/data"
"github.com/kyren223/eko/internal/packet"
"github.com/kyren223/eko/pkg/assert"
)
type BubbleTeaCloser struct {
program *tea.Program
}
func (c BubbleTeaCloser) Close() error {
c.program.Quit()
return nil
}
func Run() {
log.Println("client started")
program := tea.NewProgram(initialModel(), tea.WithAltScreen())
assert.AddFlush(BubbleTeaCloser{program})
_, privKey, err := ed25519.GenerateKey(nil)
assert.NoError(err, "private key gen should not error")
gateway.Connect(context.Background(), program, privKey)
if _, err := program.Run(); err != nil {
log.Println(err)
}
}
type model struct {
viewport viewport.Model
messages []string
textarea textarea.Model
senderStyle lipgloss.Style
err error
}
func initialModel() model {
ta := textarea.New()
ta.Placeholder = "Send a message..."
ta.Focus()
ta.Prompt = "┃ "
ta.CharLimit = 280
ta.SetWidth(30)
ta.SetHeight(3)
// Remove cursor line styling
ta.FocusedStyle.CursorLine = lipgloss.NewStyle()
ta.ShowLineNumbers = false
vp := viewport.New(30, 20)
// vp.SetContent("Welcome to Eko!\n Type a message and press Enter to send.")
ta.KeyMap.InsertNewline.SetEnabled(false)
return model{
textarea: ta,
messages: []string{},
viewport: vp,
senderStyle: lipgloss.NewStyle().Foreground(lipgloss.Color("5")),
err: nil,
}
}
func (m model) Init() tea.Cmd {
return textarea.Blink
}
func (m model) View() string {
return fmt.Sprintf(
"%s\n%s",
m.viewport.View(),
m.textarea.View(),
) + ""
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m.viewport.Width = msg.Width
m.viewport.Height = msg.Height - m.textarea.Height()
m.viewport.GotoBottom()
m.textarea.SetWidth(msg.Width)
log.Println("resized to:", msg.Width, "x", msg.Height)
var vpCmd, taCmd tea.Cmd
m.viewport, vpCmd = m.viewport.Update(msg)
m.textarea, taCmd = m.textarea.Update(msg)
return m, tea.Batch(vpCmd, taCmd)
case tea.KeyMsg:
switch msg.Type {
case tea.KeyEsc, tea.KeyCtrlC:
return m, tea.Quit
case tea.KeyEnter:
value := m.textarea.Value()
content := strings.TrimSpace(value)
if content == "" {
return m, nil
}
m.textarea.Reset()
return m, api.SendMessage(content)
default:
var cmd tea.Cmd
m.textarea, cmd = m.textarea.Update(msg)
return m, cmd
}
case packet.Payload:
switch msg := msg.(type) {
case *packet.Messages:
slices.SortFunc(msg.Messages, func(a, b data.Message) int {
if a.ID - b.ID < 0 { return -1 } else { return 1 }
})
m.messages = []string{}
for _, message := range msg.Messages {
m.messages = append(m.messages, message.Content)
}
m.viewport.SetContent(strings.Join(m.messages, "\n"))
m.viewport.GotoBottom()
var cmd tea.Cmd
m.viewport, cmd = m.viewport.Update(msg)
return m, cmd
default:
return m, nil
}
case cursor.BlinkMsg:
var cmd tea.Cmd
m.textarea, cmd = m.textarea.Update(msg)
return m, cmd
default:
return m, nil
}
}
|
