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package core
import (
"crypto/ed25519"
"fmt"
"time"
"github.com/charmbracelet/bubbles/spinner"
"github.com/charmbracelet/bubbles/timer"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/kyren223/eko/internal/client/gateway"
"github.com/kyren223/eko/internal/client/ui"
"github.com/kyren223/eko/internal/client/ui/core/networkcreation"
"github.com/kyren223/eko/internal/client/ui/core/networks"
"github.com/kyren223/eko/internal/client/ui/loadscreen"
"github.com/kyren223/eko/pkg/snowflake"
)
var (
connectingToServer = "Connecting to server.."
connectionFailed = "Connection failed - retrying in %d sec..."
connectionTimeout = 5 * time.Second
initialTimeout = 3750 * time.Millisecond
timerInterval = 50 * time.Millisecond
)
type Model struct {
name string
privKey ed25519.PrivateKey
networks networks.Model
loading loadscreen.Model
timer timer.Model
timeout time.Duration
connected bool
id snowflake.ID
networkCreationPopup *networkcreation.Model
}
func New(privKey ed25519.PrivateKey, name string) Model {
return Model{
name: name,
privKey: privKey,
networks: networks.New(),
loading: loadscreen.New(connectingToServer),
timer: newTimer(initialTimeout),
timeout: initialTimeout,
connected: false,
}
}
func (m Model) Init() tea.Cmd {
return tea.Batch(gateway.Connect(m.privKey, connectionTimeout), m.loading.Init())
}
func (m Model) View() string {
if !m.connected {
return m.loading.View()
}
result := m.networks.View()
result = lipgloss.Place(
ui.Width, ui.Height,
lipgloss.Left, lipgloss.Top,
result,
)
if m.networkCreationPopup != nil {
popup := m.networkCreationPopup.View()
x := (ui.Width - lipgloss.Width(popup)) / 2
y := (ui.Height - lipgloss.Height(popup)) / 2
result = ui.PlaceOverlay(x, y, popup, result)
}
return result
}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if !m.connected {
switch msg := msg.(type) {
case gateway.ConnectionEstablished:
m.id = snowflake.ID(msg)
m.connected = true
m.timeout = initialTimeout
return m, m.timer.Stop()
case gateway.ConnectionFailed:
m.timer = newTimer(m.timeout)
m.updateLoadScreenContent()
return m, m.timer.Start()
case timer.TimeoutMsg:
m.timeout = min(m.timeout*2, time.Minute)
m.loading.SetContent(connectingToServer)
return m, gateway.Connect(m.privKey, connectionTimeout)
case timer.StartStopMsg:
var cmd tea.Cmd
m.timer, cmd = m.timer.Update(msg)
return m, cmd
case timer.TickMsg:
m.updateLoadScreenContent()
var cmd tea.Cmd
m.timer, cmd = m.timer.Update(msg)
return m, cmd
case spinner.TickMsg:
var loadscreenCmd tea.Cmd
m.loading, loadscreenCmd = m.loading.Update(msg)
return m, loadscreenCmd
default:
return m, nil
}
}
switch msg := msg.(type) {
case gateway.ConnectionLost:
m.connected = false
m.timeout = initialTimeout
return m, tea.Batch(gateway.Connect(m.privKey, connectionTimeout), m.loading.Init())
case ui.QuitMsg:
gateway.Disconnect()
case tea.KeyMsg:
key := msg.Type
switch key {
case tea.KeyCtrlN:
if m.networkCreationPopup == nil {
popup := networkcreation.New()
m.networkCreationPopup = &popup
}
case tea.KeyEscape:
if m.networkCreationPopup != nil {
m.networkCreationPopup = nil
}
case tea.KeyEnter:
if m.networkCreationPopup != nil {
cmd := m.networkCreationPopup.Select()
if cmd != nil {
m.networkCreationPopup = nil
}
return m, cmd
}
default:
if m.networkCreationPopup != nil {
popup, cmd := m.networkCreationPopup.Update(msg)
m.networkCreationPopup = &popup
return m, cmd
}
}
}
return m, nil
}
func (m *Model) updateLoadScreenContent() {
seconds := m.timer.Timeout.Round(time.Second) / time.Second
m.loading.SetContent(fmt.Sprintf(connectionFailed, seconds))
}
func newTimer(timeout time.Duration) timer.Model {
return timer.NewWithInterval(timeout.Truncate(time.Second)+(time.Second/2), timerInterval)
}
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