Rename app from chat to neoirc, binary to neoircd (closes #46)
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- Rename Go module path: git.eeqj.de/sneak/chat -> git.eeqj.de/sneak/neoirc
- Rename binary: chatd -> neoircd, chat-cli -> neoirc-cli
- Rename cmd directories: cmd/chatd -> cmd/neoircd, cmd/chat-cli -> cmd/neoirc-cli
- Rename Go package: chatapi -> neoircapi
- Update Makefile: binary name, build targets, docker image tag, clean target
- Update Dockerfile: binary paths, user/group names, ENTRYPOINT
- Update .gitignore and .dockerignore
- Update all Go imports and doc comments
- Update default server name fallback: chat -> neoirc
- Update web client: localStorage keys, page title, default server name
- Update all schema $id URLs and example hostnames
- Update README.md: project name, binary references, examples, directory tree
- Update AGENTS.md: build command reference
- Update test fixtures: app name and channel names
This commit is contained in:
clawbot
2026-03-06 03:49:59 -08:00
parent 6e7bf028c1
commit df41ecbd30
59 changed files with 157 additions and 157 deletions

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@@ -0,0 +1,314 @@
// Package neoircapi provides a client for the neoirc server API.
package neoircapi
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"strings"
"time"
)
const (
httpTimeout = 30 * time.Second
pollExtraTime = 5
httpErrThreshold = 400
)
var errHTTP = errors.New("HTTP error")
// Client wraps HTTP calls to the neoirc server API.
type Client struct {
BaseURL string
Token string
HTTPClient *http.Client
}
// NewClient creates a new API client.
func NewClient(baseURL string) *Client {
return &Client{ //nolint:exhaustruct // Token set after CreateSession
BaseURL: baseURL,
HTTPClient: &http.Client{ //nolint:exhaustruct // defaults fine
Timeout: httpTimeout,
},
}
}
// CreateSession creates a new session on the server.
func (client *Client) CreateSession(
nick string,
) (*SessionResponse, error) {
data, err := client.do(
http.MethodPost,
"/api/v1/session",
&SessionRequest{Nick: nick},
)
if err != nil {
return nil, err
}
var resp SessionResponse
err = json.Unmarshal(data, &resp)
if err != nil {
return nil, fmt.Errorf("decode session: %w", err)
}
client.Token = resp.Token
return &resp, nil
}
// GetState returns the current user state.
func (client *Client) GetState() (*StateResponse, error) {
data, err := client.do(
http.MethodGet, "/api/v1/state", nil,
)
if err != nil {
return nil, err
}
var resp StateResponse
err = json.Unmarshal(data, &resp)
if err != nil {
return nil, fmt.Errorf("decode state: %w", err)
}
return &resp, nil
}
// SendMessage sends a message (any IRC command).
func (client *Client) SendMessage(msg *Message) error {
_, err := client.do(
http.MethodPost, "/api/v1/messages", msg,
)
return err
}
// PollMessages long-polls for new messages.
func (client *Client) PollMessages(
afterID int64,
timeout int,
) (*PollResult, error) {
pollClient := &http.Client{ //nolint:exhaustruct // defaults fine
Timeout: time.Duration(
timeout+pollExtraTime,
) * time.Second,
}
params := url.Values{}
if afterID > 0 {
params.Set(
"after",
strconv.FormatInt(afterID, 10),
)
}
params.Set("timeout", strconv.Itoa(timeout))
path := "/api/v1/messages?" + params.Encode()
request, err := http.NewRequestWithContext(
context.Background(),
http.MethodGet,
client.BaseURL+path,
nil,
)
if err != nil {
return nil, fmt.Errorf("new request: %w", err)
}
request.Header.Set(
"Authorization", "Bearer "+client.Token,
)
resp, err := pollClient.Do(request)
if err != nil {
return nil, fmt.Errorf("poll request: %w", err)
}
defer func() { _ = resp.Body.Close() }()
data, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("read poll body: %w", err)
}
if resp.StatusCode >= httpErrThreshold {
return nil, fmt.Errorf(
"%w %d: %s",
errHTTP, resp.StatusCode, string(data),
)
}
var wrapped MessagesResponse
err = json.Unmarshal(data, &wrapped)
if err != nil {
return nil, fmt.Errorf(
"decode messages: %w", err,
)
}
return &PollResult{
Messages: wrapped.Messages,
LastID: wrapped.LastID,
}, nil
}
// JoinChannel joins a channel.
func (client *Client) JoinChannel(channel string) error {
return client.SendMessage(
&Message{ //nolint:exhaustruct // only command+to needed
Command: "JOIN", To: channel,
},
)
}
// PartChannel leaves a channel.
func (client *Client) PartChannel(channel string) error {
return client.SendMessage(
&Message{ //nolint:exhaustruct // only command+to needed
Command: "PART", To: channel,
},
)
}
// ListChannels returns all channels on the server.
func (client *Client) ListChannels() (
[]Channel, error,
) {
data, err := client.do(
http.MethodGet, "/api/v1/channels", nil,
)
if err != nil {
return nil, err
}
var channels []Channel
err = json.Unmarshal(data, &channels)
if err != nil {
return nil, fmt.Errorf(
"decode channels: %w", err,
)
}
return channels, nil
}
// GetMembers returns members of a channel.
func (client *Client) GetMembers(
channel string,
) ([]string, error) {
name := strings.TrimPrefix(channel, "#")
data, err := client.do(
http.MethodGet,
"/api/v1/channels/"+url.PathEscape(name)+
"/members",
nil,
)
if err != nil {
return nil, err
}
var members []string
err = json.Unmarshal(data, &members)
if err != nil {
return nil, fmt.Errorf(
"unexpected members format: %w", err,
)
}
return members, nil
}
// GetServerInfo returns server info.
func (client *Client) GetServerInfo() (
*ServerInfo, error,
) {
data, err := client.do(
http.MethodGet, "/api/v1/server", nil,
)
if err != nil {
return nil, err
}
var info ServerInfo
err = json.Unmarshal(data, &info)
if err != nil {
return nil, fmt.Errorf(
"decode server info: %w", err,
)
}
return &info, nil
}
func (client *Client) do(
method, path string,
body any,
) ([]byte, error) {
var bodyReader io.Reader
if body != nil {
data, err := json.Marshal(body)
if err != nil {
return nil, fmt.Errorf("marshal: %w", err)
}
bodyReader = bytes.NewReader(data)
}
request, err := http.NewRequestWithContext(
context.Background(),
method,
client.BaseURL+path,
bodyReader,
)
if err != nil {
return nil, fmt.Errorf("request: %w", err)
}
request.Header.Set(
"Content-Type", "application/json",
)
if client.Token != "" {
request.Header.Set(
"Authorization", "Bearer "+client.Token,
)
}
resp, err := client.HTTPClient.Do(request)
if err != nil {
return nil, fmt.Errorf("http: %w", err)
}
defer func() { _ = resp.Body.Close() }()
data, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("read body: %w", err)
}
if resp.StatusCode >= httpErrThreshold {
return data, fmt.Errorf(
"%w %d: %s",
errHTTP, resp.StatusCode, string(data),
)
}
return data, nil
}

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@@ -0,0 +1,91 @@
package neoircapi
import "time"
// SessionRequest is the body for POST /api/v1/session.
type SessionRequest struct {
Nick string `json:"nick"`
}
// SessionResponse is the response from session creation.
type SessionResponse struct {
ID int64 `json:"id"`
Nick string `json:"nick"`
Token string `json:"token"`
}
// StateResponse is the response from GET /api/v1/state.
type StateResponse struct {
ID int64 `json:"id"`
Nick string `json:"nick"`
Channels []string `json:"channels"`
}
// Message represents a neoirc message envelope.
type Message struct {
Command string `json:"command"`
From string `json:"from,omitempty"`
To string `json:"to,omitempty"`
Params []string `json:"params,omitempty"`
Body any `json:"body,omitempty"`
ID string `json:"id,omitempty"`
TS string `json:"ts,omitempty"`
Meta any `json:"meta,omitempty"`
}
// BodyLines returns the body as a string slice.
func (m *Message) BodyLines() []string {
switch bodyVal := m.Body.(type) {
case []any:
lines := make([]string, 0, len(bodyVal))
for _, item := range bodyVal {
if str, ok := item.(string); ok {
lines = append(lines, str)
}
}
return lines
case []string:
return bodyVal
default:
return nil
}
}
// Channel represents a channel in the list response.
type Channel struct {
Name string `json:"name"`
Topic string `json:"topic"`
Members int `json:"members"`
CreatedAt string `json:"createdAt"`
}
// ServerInfo is the response from GET /api/v1/server.
type ServerInfo struct {
Name string `json:"name"`
MOTD string `json:"motd"`
Version string `json:"version"`
}
// MessagesResponse wraps polling results.
type MessagesResponse struct {
Messages []Message `json:"messages"`
LastID int64 `json:"lastId"`
}
// PollResult wraps the poll response including the cursor.
type PollResult struct {
Messages []Message
LastID int64
}
// ParseTS parses the message timestamp.
func (m *Message) ParseTS() time.Time {
t, err := time.Parse(time.RFC3339Nano, m.TS)
if err != nil {
return time.Now()
}
return t
}

804
cmd/neoirc-cli/main.go Normal file
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@@ -0,0 +1,804 @@
// Package main is the entry point for the neoirc-cli client.
package main
import (
"fmt"
"os"
"strings"
"sync"
"time"
api "git.eeqj.de/sneak/neoirc/cmd/neoirc-cli/api"
)
const (
splitParts = 2
pollTimeout = 15
pollRetry = 2 * time.Second
timeFormat = "15:04"
)
// App holds the application state.
type App struct {
ui *UI
client *api.Client
mu sync.Mutex
nick string
target string
connected bool
lastQID int64
stopPoll chan struct{}
}
func main() {
app := &App{ //nolint:exhaustruct
ui: NewUI(),
nick: "guest",
}
app.ui.OnInput(app.handleInput)
app.ui.SetStatus(app.nick, "", "disconnected")
app.ui.AddStatus(
"Welcome to neoirc-cli — an IRC-style client",
)
app.ui.AddStatus(
"Type [yellow]/connect <server-url>" +
"[white] to begin, " +
"or [yellow]/help[white] for commands",
)
err := app.ui.Run()
if err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
}
func (a *App) handleInput(text string) {
if strings.HasPrefix(text, "/") {
a.handleCommand(text)
return
}
a.mu.Lock()
target := a.target
connected := a.connected
a.mu.Unlock()
if !connected {
a.ui.AddStatus(
"[red]Not connected. Use /connect <url>",
)
return
}
if target == "" {
a.ui.AddStatus(
"[red]No target. " +
"Use /join #channel or /query nick",
)
return
}
err := a.client.SendMessage(&api.Message{ //nolint:exhaustruct
Command: "PRIVMSG",
To: target,
Body: []string{text},
})
if err != nil {
a.ui.AddStatus(
"[red]Send error: " + err.Error(),
)
return
}
timestamp := time.Now().Format(timeFormat)
a.mu.Lock()
nick := a.nick
a.mu.Unlock()
a.ui.AddLine(target, fmt.Sprintf(
"[gray]%s [green]<%s>[white] %s",
timestamp, nick, text,
))
}
func (a *App) handleCommand(text string) {
parts := strings.SplitN(text, " ", splitParts)
cmd := strings.ToLower(parts[0])
args := ""
if len(parts) > 1 {
args = parts[1]
}
a.dispatchCommand(cmd, args)
}
func (a *App) dispatchCommand(cmd, args string) {
switch cmd {
case "/connect":
a.cmdConnect(args)
case "/nick":
a.cmdNick(args)
case "/join":
a.cmdJoin(args)
case "/part":
a.cmdPart(args)
case "/msg":
a.cmdMsg(args)
case "/query":
a.cmdQuery(args)
case "/topic":
a.cmdTopic(args)
case "/names":
a.cmdNames()
case "/list":
a.cmdList()
case "/window", "/w":
a.cmdWindow(args)
case "/quit":
a.cmdQuit()
case "/help":
a.cmdHelp()
default:
a.ui.AddStatus(
"[red]Unknown command: " + cmd,
)
}
}
func (a *App) cmdConnect(serverURL string) {
if serverURL == "" {
a.ui.AddStatus(
"[red]Usage: /connect <server-url>",
)
return
}
serverURL = strings.TrimRight(serverURL, "/")
a.ui.AddStatus("Connecting to " + serverURL + "...")
a.mu.Lock()
nick := a.nick
a.mu.Unlock()
client := api.NewClient(serverURL)
resp, err := client.CreateSession(nick)
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Connection failed: %v", err,
))
return
}
a.mu.Lock()
a.client = client
a.nick = resp.Nick
a.connected = true
a.lastQID = 0
a.mu.Unlock()
a.ui.AddStatus(fmt.Sprintf(
"[green]Connected! Nick: %s, Session: %d",
resp.Nick, resp.ID,
))
a.ui.SetStatus(resp.Nick, "", "connected")
a.stopPoll = make(chan struct{})
go a.pollLoop()
}
func (a *App) cmdNick(nick string) {
if nick == "" {
a.ui.AddStatus(
"[red]Usage: /nick <name>",
)
return
}
a.mu.Lock()
connected := a.connected
a.mu.Unlock()
if !connected {
a.mu.Lock()
a.nick = nick
a.mu.Unlock()
a.ui.AddStatus(
"Nick set to " + nick +
" (will be used on connect)",
)
return
}
err := a.client.SendMessage(&api.Message{ //nolint:exhaustruct
Command: "NICK",
Body: []string{nick},
})
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Nick change failed: %v", err,
))
return
}
a.mu.Lock()
a.nick = nick
target := a.target
a.mu.Unlock()
a.ui.SetStatus(nick, target, "connected")
a.ui.AddStatus("Nick changed to " + nick)
}
func (a *App) cmdJoin(channel string) {
if channel == "" {
a.ui.AddStatus(
"[red]Usage: /join #channel",
)
return
}
if !strings.HasPrefix(channel, "#") {
channel = "#" + channel
}
a.mu.Lock()
connected := a.connected
a.mu.Unlock()
if !connected {
a.ui.AddStatus("[red]Not connected")
return
}
err := a.client.JoinChannel(channel)
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Join failed: %v", err,
))
return
}
a.mu.Lock()
a.target = channel
nick := a.nick
a.mu.Unlock()
a.ui.SwitchToBuffer(channel)
a.ui.AddLine(channel,
"[yellow]*** Joined "+channel,
)
a.ui.SetStatus(nick, channel, "connected")
}
func (a *App) cmdPart(channel string) {
a.mu.Lock()
if channel == "" {
channel = a.target
}
connected := a.connected
a.mu.Unlock()
if channel == "" ||
!strings.HasPrefix(channel, "#") {
a.ui.AddStatus("[red]No channel to part")
return
}
if !connected {
a.ui.AddStatus("[red]Not connected")
return
}
err := a.client.PartChannel(channel)
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Part failed: %v", err,
))
return
}
a.ui.AddLine(channel,
"[yellow]*** Left "+channel,
)
a.mu.Lock()
if a.target == channel {
a.target = ""
}
nick := a.nick
a.mu.Unlock()
a.ui.SwitchBuffer(0)
a.ui.SetStatus(nick, "", "connected")
}
func (a *App) cmdMsg(args string) {
parts := strings.SplitN(args, " ", splitParts)
if len(parts) < splitParts {
a.ui.AddStatus(
"[red]Usage: /msg <nick> <text>",
)
return
}
target, text := parts[0], parts[1]
a.mu.Lock()
connected := a.connected
nick := a.nick
a.mu.Unlock()
if !connected {
a.ui.AddStatus("[red]Not connected")
return
}
err := a.client.SendMessage(&api.Message{ //nolint:exhaustruct
Command: "PRIVMSG",
To: target,
Body: []string{text},
})
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Send failed: %v", err,
))
return
}
timestamp := time.Now().Format(timeFormat)
a.ui.AddLine(target, fmt.Sprintf(
"[gray]%s [green]<%s>[white] %s",
timestamp, nick, text,
))
}
func (a *App) cmdQuery(nick string) {
if nick == "" {
a.ui.AddStatus(
"[red]Usage: /query <nick>",
)
return
}
a.mu.Lock()
a.target = nick
myNick := a.nick
a.mu.Unlock()
a.ui.SwitchToBuffer(nick)
a.ui.SetStatus(myNick, nick, "connected")
}
func (a *App) cmdTopic(args string) {
a.mu.Lock()
target := a.target
connected := a.connected
a.mu.Unlock()
if !connected {
a.ui.AddStatus("[red]Not connected")
return
}
if !strings.HasPrefix(target, "#") {
a.ui.AddStatus("[red]Not in a channel")
return
}
if args == "" {
err := a.client.SendMessage(&api.Message{ //nolint:exhaustruct
Command: "TOPIC",
To: target,
})
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Topic query failed: %v", err,
))
}
return
}
err := a.client.SendMessage(&api.Message{ //nolint:exhaustruct
Command: "TOPIC",
To: target,
Body: []string{args},
})
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Topic set failed: %v", err,
))
}
}
func (a *App) cmdNames() {
a.mu.Lock()
target := a.target
connected := a.connected
a.mu.Unlock()
if !connected {
a.ui.AddStatus("[red]Not connected")
return
}
if !strings.HasPrefix(target, "#") {
a.ui.AddStatus("[red]Not in a channel")
return
}
members, err := a.client.GetMembers(target)
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]Names failed: %v", err,
))
return
}
a.ui.AddLine(target, fmt.Sprintf(
"[cyan]*** Members of %s: %s",
target, strings.Join(members, " "),
))
}
func (a *App) cmdList() {
a.mu.Lock()
connected := a.connected
a.mu.Unlock()
if !connected {
a.ui.AddStatus("[red]Not connected")
return
}
channels, err := a.client.ListChannels()
if err != nil {
a.ui.AddStatus(fmt.Sprintf(
"[red]List failed: %v", err,
))
return
}
a.ui.AddStatus("[cyan]*** Channel list:")
for _, ch := range channels {
a.ui.AddStatus(fmt.Sprintf(
" %s (%d members) %s",
ch.Name, ch.Members, ch.Topic,
))
}
a.ui.AddStatus("[cyan]*** End of channel list")
}
func (a *App) cmdWindow(args string) {
if args == "" {
a.ui.AddStatus(
"[red]Usage: /window <number>",
)
return
}
var bufIndex int
_, _ = fmt.Sscanf(args, "%d", &bufIndex)
a.ui.SwitchBuffer(bufIndex)
a.mu.Lock()
nick := a.nick
a.mu.Unlock()
if bufIndex >= 0 && bufIndex < a.ui.BufferCount() {
buf := a.ui.buffers[bufIndex]
if buf.Name != "(status)" {
a.mu.Lock()
a.target = buf.Name
a.mu.Unlock()
a.ui.SetStatus(
nick, buf.Name, "connected",
)
} else {
a.ui.SetStatus(nick, "", "connected")
}
}
}
func (a *App) cmdQuit() {
a.mu.Lock()
if a.connected && a.client != nil {
_ = a.client.SendMessage(
&api.Message{Command: "QUIT"}, //nolint:exhaustruct
)
}
if a.stopPoll != nil {
close(a.stopPoll)
}
a.mu.Unlock()
a.ui.Stop()
}
func (a *App) cmdHelp() {
help := []string{
"[cyan]*** neoirc-cli commands:",
" /connect <url> — Connect to server",
" /nick <name> — Change nickname",
" /join #channel — Join channel",
" /part [#chan] — Leave channel",
" /msg <nick> <text> — Send DM",
" /query <nick> — Open DM window",
" /topic [text] — View/set topic",
" /names — List channel members",
" /list — List channels",
" /window <n> — Switch buffer",
" /quit — Disconnect and exit",
" /help — This help",
" Plain text sends to current target.",
}
for _, line := range help {
a.ui.AddStatus(line)
}
}
// pollLoop long-polls for messages in the background.
func (a *App) pollLoop() {
for {
select {
case <-a.stopPoll:
return
default:
}
a.mu.Lock()
client := a.client
lastQID := a.lastQID
a.mu.Unlock()
if client == nil {
return
}
result, err := client.PollMessages(
lastQID, pollTimeout,
)
if err != nil {
time.Sleep(pollRetry)
continue
}
if result.LastID > 0 {
a.mu.Lock()
a.lastQID = result.LastID
a.mu.Unlock()
}
for i := range result.Messages {
a.handleServerMessage(&result.Messages[i])
}
}
}
func (a *App) handleServerMessage(msg *api.Message) {
timestamp := a.formatTS(msg)
a.mu.Lock()
myNick := a.nick
a.mu.Unlock()
switch msg.Command {
case "PRIVMSG":
a.handlePrivmsgEvent(msg, timestamp, myNick)
case "JOIN":
a.handleJoinEvent(msg, timestamp)
case "PART":
a.handlePartEvent(msg, timestamp)
case "QUIT":
a.handleQuitEvent(msg, timestamp)
case "NICK":
a.handleNickEvent(msg, timestamp, myNick)
case "NOTICE":
a.handleNoticeEvent(msg, timestamp)
case "TOPIC":
a.handleTopicEvent(msg, timestamp)
default:
a.handleDefaultEvent(msg, timestamp)
}
}
func (a *App) formatTS(msg *api.Message) string {
if msg.TS != "" {
return msg.ParseTS().UTC().Format(timeFormat)
}
return time.Now().Format(timeFormat)
}
func (a *App) handlePrivmsgEvent(
msg *api.Message, timestamp, myNick string,
) {
lines := msg.BodyLines()
text := strings.Join(lines, " ")
if msg.From == myNick {
return
}
target := msg.To
if !strings.HasPrefix(target, "#") {
target = msg.From
}
a.ui.AddLine(target, fmt.Sprintf(
"[gray]%s [green]<%s>[white] %s",
timestamp, msg.From, text,
))
}
func (a *App) handleJoinEvent(
msg *api.Message, timestamp string,
) {
if msg.To == "" {
return
}
a.ui.AddLine(msg.To, fmt.Sprintf(
"[gray]%s [yellow]*** %s has joined %s",
timestamp, msg.From, msg.To,
))
}
func (a *App) handlePartEvent(
msg *api.Message, timestamp string,
) {
if msg.To == "" {
return
}
lines := msg.BodyLines()
reason := strings.Join(lines, " ")
if reason != "" {
a.ui.AddLine(msg.To, fmt.Sprintf(
"[gray]%s [yellow]*** %s has left %s (%s)",
timestamp, msg.From, msg.To, reason,
))
} else {
a.ui.AddLine(msg.To, fmt.Sprintf(
"[gray]%s [yellow]*** %s has left %s",
timestamp, msg.From, msg.To,
))
}
}
func (a *App) handleQuitEvent(
msg *api.Message, timestamp string,
) {
lines := msg.BodyLines()
reason := strings.Join(lines, " ")
if reason != "" {
a.ui.AddStatus(fmt.Sprintf(
"[gray]%s [yellow]*** %s has quit (%s)",
timestamp, msg.From, reason,
))
} else {
a.ui.AddStatus(fmt.Sprintf(
"[gray]%s [yellow]*** %s has quit",
timestamp, msg.From,
))
}
}
func (a *App) handleNickEvent(
msg *api.Message, timestamp, myNick string,
) {
lines := msg.BodyLines()
newNick := ""
if len(lines) > 0 {
newNick = lines[0]
}
if msg.From == myNick && newNick != "" {
a.mu.Lock()
a.nick = newNick
target := a.target
a.mu.Unlock()
a.ui.SetStatus(newNick, target, "connected")
}
a.ui.AddStatus(fmt.Sprintf(
"[gray]%s [yellow]*** %s is now known as %s",
timestamp, msg.From, newNick,
))
}
func (a *App) handleNoticeEvent(
msg *api.Message, timestamp string,
) {
lines := msg.BodyLines()
text := strings.Join(lines, " ")
a.ui.AddStatus(fmt.Sprintf(
"[gray]%s [magenta]--%s-- %s",
timestamp, msg.From, text,
))
}
func (a *App) handleTopicEvent(
msg *api.Message, timestamp string,
) {
if msg.To == "" {
return
}
lines := msg.BodyLines()
text := strings.Join(lines, " ")
a.ui.AddLine(msg.To, fmt.Sprintf(
"[gray]%s [cyan]*** %s set topic: %s",
timestamp, msg.From, text,
))
}
func (a *App) handleDefaultEvent(
msg *api.Message, timestamp string,
) {
lines := msg.BodyLines()
text := strings.Join(lines, " ")
if text != "" {
a.ui.AddStatus(fmt.Sprintf(
"[gray]%s [white][%s] %s",
timestamp, msg.Command, text,
))
}
}

294
cmd/neoirc-cli/ui.go Normal file
View File

@@ -0,0 +1,294 @@
package main
import (
"fmt"
"strings"
"time"
"github.com/gdamore/tcell/v2"
"github.com/rivo/tview"
)
// Buffer holds messages for a channel/DM/status window.
type Buffer struct {
Name string
Lines []string
Unread int
}
// UI manages the terminal interface.
type UI struct {
app *tview.Application
messages *tview.TextView
statusBar *tview.TextView
input *tview.InputField
layout *tview.Flex
buffers []*Buffer
currentBuffer int
onInput func(string)
}
// NewUI creates the tview-based IRC-like UI.
func NewUI() *UI {
ui := &UI{ //nolint:exhaustruct,varnamelen // fields set below; ui is idiomatic
app: tview.NewApplication(),
buffers: []*Buffer{
{Name: "(status)", Lines: nil, Unread: 0},
},
}
ui.initMessages()
ui.initStatusBar()
ui.initInput()
ui.initKeyCapture()
ui.layout = tview.NewFlex().
SetDirection(tview.FlexRow).
AddItem(ui.messages, 0, 1, false).
AddItem(ui.statusBar, 1, 0, false).
AddItem(ui.input, 1, 0, true)
ui.app.SetRoot(ui.layout, true)
ui.app.SetFocus(ui.input)
return ui
}
// Run starts the UI event loop (blocks).
func (ui *UI) Run() error {
err := ui.app.Run()
if err != nil {
return fmt.Errorf("run ui: %w", err)
}
return nil
}
// Stop stops the UI.
func (ui *UI) Stop() {
ui.app.Stop()
}
// OnInput sets the callback for user input.
func (ui *UI) OnInput(fn func(string)) {
ui.onInput = fn
}
// AddLine adds a line to the specified buffer.
func (ui *UI) AddLine(bufferName, line string) {
ui.app.QueueUpdateDraw(func() {
buf := ui.getOrCreateBuffer(bufferName)
buf.Lines = append(buf.Lines, line)
cur := ui.buffers[ui.currentBuffer]
if cur != buf {
buf.Unread++
ui.refreshStatusBar()
}
if cur == buf {
_, _ = fmt.Fprintln(ui.messages, line)
}
})
}
// AddStatus adds a line to the status buffer.
func (ui *UI) AddStatus(line string) {
ts := time.Now().Format("15:04")
ui.AddLine(
"(status)",
"[gray]"+ts+"[white] "+line,
)
}
// SwitchBuffer switches to the buffer at index n.
func (ui *UI) SwitchBuffer(bufIndex int) {
ui.app.QueueUpdateDraw(func() {
if bufIndex < 0 || bufIndex >= len(ui.buffers) {
return
}
ui.currentBuffer = bufIndex
buf := ui.buffers[bufIndex]
buf.Unread = 0
ui.messages.Clear()
for _, line := range buf.Lines {
_, _ = fmt.Fprintln(ui.messages, line)
}
ui.messages.ScrollToEnd()
ui.refreshStatusBar()
})
}
// SwitchToBuffer switches to named buffer, creating if
// needed.
func (ui *UI) SwitchToBuffer(name string) {
ui.app.QueueUpdateDraw(func() {
buf := ui.getOrCreateBuffer(name)
for i, b := range ui.buffers {
if b == buf {
ui.currentBuffer = i
break
}
}
buf.Unread = 0
ui.messages.Clear()
for _, line := range buf.Lines {
_, _ = fmt.Fprintln(ui.messages, line)
}
ui.messages.ScrollToEnd()
ui.refreshStatusBar()
})
}
// SetStatus updates the status bar text.
func (ui *UI) SetStatus(
nick, target, connStatus string,
) {
ui.app.QueueUpdateDraw(func() {
ui.renderStatusBar(nick, target, connStatus)
})
}
// BufferCount returns the number of buffers.
func (ui *UI) BufferCount() int {
return len(ui.buffers)
}
// BufferIndex returns the index of a named buffer.
func (ui *UI) BufferIndex(name string) int {
for i, buf := range ui.buffers {
if buf.Name == name {
return i
}
}
return -1
}
func (ui *UI) initMessages() {
ui.messages = tview.NewTextView().
SetDynamicColors(true).
SetScrollable(true).
SetWordWrap(true).
SetChangedFunc(func() {
ui.app.Draw()
})
ui.messages.SetBorder(false)
}
func (ui *UI) initStatusBar() {
ui.statusBar = tview.NewTextView().
SetDynamicColors(true)
ui.statusBar.SetBackgroundColor(tcell.ColorNavy)
ui.statusBar.SetTextColor(tcell.ColorWhite)
}
func (ui *UI) initInput() {
ui.input = tview.NewInputField().
SetFieldBackgroundColor(tcell.ColorBlack).
SetFieldTextColor(tcell.ColorWhite)
ui.input.SetDoneFunc(func(key tcell.Key) {
if key != tcell.KeyEnter {
return
}
text := ui.input.GetText()
if text == "" {
return
}
ui.input.SetText("")
if ui.onInput != nil {
ui.onInput(text)
}
})
}
func (ui *UI) initKeyCapture() {
ui.app.SetInputCapture(
func(event *tcell.EventKey) *tcell.EventKey {
if event.Modifiers()&tcell.ModAlt == 0 {
return event
}
r := event.Rune()
if r >= '0' && r <= '9' {
idx := int(r - '0')
ui.SwitchBuffer(idx)
return nil
}
return event
},
)
}
func (ui *UI) refreshStatusBar() {
// Placeholder; full refresh needs nick/target context.
}
func (ui *UI) renderStatusBar(
nick, target, connStatus string,
) {
var unreadParts []string
for i, buf := range ui.buffers {
if buf.Unread > 0 {
unreadParts = append(unreadParts,
fmt.Sprintf(
"%d:%s(%d)",
i, buf.Name, buf.Unread,
),
)
}
}
unread := ""
if len(unreadParts) > 0 {
unread = " [Act: " +
strings.Join(unreadParts, ",") + "]"
}
bufInfo := fmt.Sprintf(
"[%d:%s]",
ui.currentBuffer,
ui.buffers[ui.currentBuffer].Name,
)
ui.statusBar.Clear()
_, _ = fmt.Fprintf(ui.statusBar,
" [%s] %s %s %s%s",
connStatus, nick, bufInfo, target, unread,
)
}
func (ui *UI) getOrCreateBuffer(name string) *Buffer {
for _, buf := range ui.buffers {
if buf.Name == name {
return buf
}
}
buf := &Buffer{Name: name, Lines: nil, Unread: 0}
ui.buffers = append(ui.buffers, buf)
return buf
}