package main

import (
	"fmt"
	"strings"

	"github.com/charmbracelet/lipgloss"
)

// MemberEntry renders a single member in the member list.
func MemberEntry(username string, status string) string {
	var statusDot string
	switch status {
	case "online":
		statusDot = StatusOnline.Render("●")
	case "idle":
		statusDot = StatusIdle.Render("◐")
	default:
		statusDot = StatusOffline.Render("○")
	}

	return fmt.Sprintf(" %s %s", statusDot, username)
}

// MemberList renders the member sidebar.
func MemberList(user UserProfile, members []MemberEntryData, width, height int, visible bool) string {
	if !visible {
		return ""
	}

	var lines []string
	lines = append(lines, CategoryStyle.Render("ONLINE"))

	if user.Username != "" {
		lines = append(lines, MemberEntry(
			user.DisplayName,
			"online",
		))
	}

	for _, m := range members {
		status := m.Status
		if status == "" {
			status = "offline"
		}
		lines = append(lines, MemberEntry(m.DisplayName, status))
	}

	if len(members) == 0 && user.Username != "" {
		lines = append(lines, "")
		lines = append(lines, HelpStyle.Render("  No other members"))
	}

	return MemberListStyle.
		Width(width).
		Height(height).
		Render(strings.Join(lines, "\n"))
}

// MemberEntryData is a lightweight member representation.
type MemberEntryData struct {
	UserID      string
	Username    string
	DisplayName string
	Status      string
}

// VoiceParticipants renders the voice participant list (used in voice channels).
func VoiceParticipants(participants []VoiceParticipant, width int) string {
	if len(participants) == 0 {
		return ""
	}

	var lines []string
	lines = append(lines, CategoryStyle.Render("VOICE"))

	for _, p := range participants {
		icon := "🔊"
		if p.State != "connected" {
			icon = "🔇"
		}
		lines = append(lines, fmt.Sprintf(" %s %s", icon, p.Username))
	}

	return lipgloss.NewStyle().
		Width(width).
		Render(strings.Join(lines, "\n"))
}