package main

import (
    "fmt"
    "os"

    tea "github.com/charmbracelet/bubbletea"
    "github.com/charmbracelet/lipgloss"
    "github.com/charmbracelet/bubbles/key"
    "github.com/charmbracelet/bubbles/help"

    "github.com/prometheus-community/pro-bing"
)

var (
	checkMark = lipgloss.NewStyle().Foreground(lipgloss.Color("42")).SetString("✓")
  docStyle = lipgloss.NewStyle().Margin(1, 2)
)

type keyMap struct {
	Quit  key.Binding
}
func (k keyMap) ShortHelp() []key.Binding {
	return []key.Binding{k.Quit}
}
func (k keyMap) FullHelp() [][]key.Binding {
	return [][]key.Binding{
		{k.Quit},
	}
}
var keys = keyMap{
	Quit: key.NewBinding(
		key.WithKeys("q", "esc", "ctrl+c"),
		key.WithHelp("q", "quit"),
	),
}

type model struct {
  keys       keyMap
	help       help.Model
  addresses  []string
}

func initialModel() model {
	return model{
    keys:       keys,
		help:       help.New(),
    addresses:  []string{"100.64.0.1", "100.64.0.2"},
	}
}

func (m model) Init() tea.Cmd {
    return nil
}

func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
    switch msg := msg.(type) {
    case tea.KeyMsg:
        switch {
        case key.Matches(msg, m.keys.Quit):
            return m, tea.Quit
        }
    }
    return m, nil
}

func (m model) View() string {
    s := "Pinging hosts...\n\n"
    for _, address := range m.addresses {
        _, err := probing.NewPinger(fmt.Sprintf("%s", address))
        if err != nil {
	        panic(err)
        } else {
          s += fmt.Sprintf("%s  %s\n", checkMark, address)
        }
    }

    helpView := m.help.View(m.keys)
    return docStyle.Render(s + "\n" + helpView)
}

func main() {
    p := tea.NewProgram(initialModel())
    if _, err := p.Run(); err != nil {
        fmt.Printf("Error: %v", err)
        os.Exit(1)
    }
}