hachem.wtf
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path: root/internal/cli/server.go
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package cli

import (
	"fmt"

	tea "github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/lipgloss"

	"github.com/hachem-wtf/benson/internal/config"
	"github.com/hachem-wtf/benson/internal/server"
)

func runStart(m *model) tea.Cmd {
	pid, err := server.Start(m.cfg)
	if err != nil {
		return tea.Println(errorStyle.Render(err.Error()))
	}
	return tea.Println(successStyle.Render("Server started ") +
		mutedStyle.Render(fmt.Sprintf("(pid %d) · logs: %s", pid, server.LogPath(m.cfg))))
}

func runStop(m *model) tea.Cmd {
	return m.runServerJob(func(cfg *config.Config, emit func(string)) tea.Msg {
		if err := server.Stop(cfg, emit); err != nil {
			return streamDoneMsg{errorStyle.Render(err.Error())}
		}
		return streamDoneMsg{successStyle.Render("Server stopped.")}
	})
}

func runRestart(m *model) tea.Cmd {
	return m.runServerJob(func(cfg *config.Config, emit func(string)) tea.Msg {
		if err := server.Restart(cfg, emit); err != nil {
			return streamDoneMsg{errorStyle.Render(err.Error())}
		}
		return streamDoneMsg{successStyle.Render("Server restarted.")}
	})
}

func runStatus(m *model) tea.Cmd {
	m.busy = true
	cfg := m.cfg
	return tea.Batch(m.spin.Tick, func() tea.Msg {
		return outputMsg{text: renderStatus(server.GetStatus(cfg))}
	})
}

func (m *model) runServerJob(job func(cfg *config.Config, emit func(string)) tea.Msg) tea.Cmd {
	m.busy = true
	ch := make(chan tea.Msg, 64)
	m.events = ch
	cfg := m.cfg
	go func() {
		emit := func(line string) { ch <- streamMsg{"  " + mutedStyle.Render(line)} }
		ch <- job(cfg, emit)
	}()
	return tea.Batch(m.spin.Tick, waitForEvent(ch))
}

func renderStatus(s server.Status) string {
	rows := []string{headingStyle.Render("Server status"), ""}

	if s.Running {
		rows = append(rows, "  "+successStyle.Render("● running")+mutedStyle.Render(fmt.Sprintf("  (pid %d)", s.PID)))
	} else {
		rows = append(rows, "  "+errorStyle.Render("● stopped"))
	}

	rows = append(rows, "  "+mutedStyle.Render("address  ")+s.Address)

	if s.Reachable {
		rows = append(rows,
			"  "+mutedStyle.Render("version  ")+s.Version,
			"  "+mutedStyle.Render("players  ")+fmt.Sprintf("%d / %d", s.Players, s.MaxPlayers),
		)
		if s.MOTD != "" {
			rows = append(rows, "  "+mutedStyle.Render("motd     ")+s.MOTD)
		}
	} else if s.Running {
		rows = append(rows, "  "+warnStyle.Render("not yet accepting connections (still loading?)"))
	}

	return lipgloss.JoinVertical(lipgloss.Left, rows...)
}