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package main
// A simple program that makes a GET request and prints the response status.
import (
"fmt"
"log"
"net/http"
"time"
tea "github.com/charmbracelet/bubbletea"
)
const url = "https://charm.sh/"
type model struct {
status int
err error
}
type statusMsg int
type errMsg struct{ error }
func (e errMsg) Error() string { return e.error.Error() }
func main() {
p := tea.NewProgram(model{})
if _, err := p.Run(); err != nil {
log.Fatal(err)
}
}
func (m model) Init() tea.Cmd {
return checkServer
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.String() {
case "q", "ctrl+c", "esc":
return m, tea.Quit
default:
return m, nil
}
case statusMsg:
m.status = int(msg)
return m, tea.Quit
case errMsg:
m.err = msg
return m, nil
default:
return m, nil
}
}
func (m model) View() string {
s := fmt.Sprintf("Checking %s...", url)
if m.err != nil {
s += fmt.Sprintf("something went wrong: %s", m.err)
} else if m.status != 0 {
s += fmt.Sprintf("%d %s", m.status, http.StatusText(m.status))
}
return s + "\n"
}
func checkServer() tea.Msg {
c := &http.Client{
Timeout: 10 * time.Second,
}
res, err := c.Get(url)
if err != nil {
return errMsg{err}
}
defer res.Body.Close() // nolint:errcheck
return statusMsg(res.StatusCode)
}
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