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Copy pathtournament.go
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314 lines (277 loc) · 8.04 KB
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package cmd
import (
"fmt"
"math"
"math/rand"
"strings"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/neosapience/cast/internal/client"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var tournamentCmd = &cobra.Command{
Use: "tournament",
Short: "Pick a voice through head-to-head elimination rounds",
RunE: func(cmd *cobra.Command, args []string) error {
previewText, _ := cmd.Flags().GetString("text")
if previewText == "" {
previewText = defaultPreviewText
}
size, _ := cmd.Flags().GetInt("size")
flags := cmd.Flags()
model, _ := flags.GetString("model")
gender, _ := flags.GetString("gender")
age, _ := flags.GetString("age")
useCase, _ := flags.GetString("use-case")
baseURL := viper.GetString("base_url")
var c *client.Client
if baseURL != "" {
c = client.NewWithBaseURL(viper.GetString("api_key"), baseURL)
} else {
c = client.New(viper.GetString("api_key"))
}
voices, err := c.ListVoices(client.ListVoicesParams{
Model: model,
Gender: gender,
Age: age,
UseCase: useCase,
})
if err != nil {
return err
}
if len(voices) < 2 {
return fmt.Errorf("need at least 2 voices, got %d", len(voices))
}
// Shuffle and pick up to size.
rand.Shuffle(len(voices), func(i, j int) {
voices[i], voices[j] = voices[j], voices[i]
})
// Round down to nearest power of 2.
if size > len(voices) {
size = len(voices)
}
size = nearestPowerOf2(size)
pool := voices[:size]
m := newTournamentModel(pool, c, previewText)
p := tea.NewProgram(m)
finalModel, err := p.Run()
if err != nil {
return err
}
fm := finalModel.(tournamentModel)
if fm.winner != nil {
fmt.Println(fm.winner.VoiceID)
if fm.runnerUp != nil {
fmt.Fprintln(cmd.ErrOrStderr(), "runner-up:", fm.runnerUp.VoiceID)
}
}
return nil
},
}
func nearestPowerOf2(n int) int {
if n < 2 {
return 2
}
p := int(math.Log2(float64(n)))
return 1 << p
}
var (
tournamentTitleStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("205")).Bold(true)
tournamentVoiceStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("252"))
tournamentPickStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("170")).Bold(true)
tournamentDimStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("240"))
tournamentHelpStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("241"))
tournamentWinStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("40")).Bold(true)
tournamentStatusStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("40"))
)
type tournamentModel struct {
pool []client.Voice
round int
totalRounds int
matchIdx int
matchesLen int
winners []client.Voice
winner *client.Voice
runnerUp *client.Voice
client *client.Client
previewText string
status string
height int
}
func newTournamentModel(pool []client.Voice, c *client.Client, previewText string) tournamentModel {
totalRounds := int(math.Log2(float64(len(pool))))
return tournamentModel{
pool: pool,
round: 1,
totalRounds: totalRounds,
matchIdx: 0,
matchesLen: len(pool) / 2,
client: c,
previewText: previewText,
}
}
func (m tournamentModel) Init() tea.Cmd {
return nil
}
func (m tournamentModel) left() client.Voice {
return m.pool[m.matchIdx*2]
}
func (m tournamentModel) right() client.Voice {
return m.pool[m.matchIdx*2+1]
}
func (m tournamentModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m.height = msg.Height
return m, nil
case statusMsg:
m.status = string(msg)
return m, nil
case advanceMsg:
// Track runner-up from final match.
if len(m.pool) == 2 {
loser := m.left()
if msg.winner.VoiceID == loser.VoiceID {
loser = m.right()
}
m.runnerUp = &loser
}
m.winners = append(m.winners, msg.winner)
m.status = ""
m.matchIdx++
if m.matchIdx >= m.matchesLen {
// Round complete — advance.
if len(m.winners) == 1 {
m.winner = &m.winners[0]
return m, tea.Quit
}
m.pool = m.winners
m.winners = nil
m.round++
m.matchIdx = 0
m.matchesLen = len(m.pool) / 2
}
return m, nil
case tea.KeyMsg:
switch msg.Type {
case tea.KeyCtrlC, tea.KeyEsc:
return m, tea.Quit
case tea.KeyRunes:
switch string(msg.Runes) {
case "1":
return m, m.pick(m.left())
case "2":
return m, m.pick(m.right())
case "p":
return m, m.preview(m.left())
case "q":
return m, m.preview(m.right())
}
}
}
return m, nil
}
type advanceMsg struct {
winner client.Voice
}
func (m tournamentModel) pick(v client.Voice) tea.Cmd {
return func() tea.Msg {
return advanceMsg{winner: v}
}
}
func (m tournamentModel) preview(v client.Voice) tea.Cmd {
return func() tea.Msg {
model := defaultModel
if len(v.Models) > 0 {
model = v.Models[0].Version
}
req := client.TTSRequest{
VoiceID: v.VoiceID,
Text: m.previewText,
Model: model,
}
audio, err := m.client.TextToSpeech(req)
if err != nil {
return statusMsg(fmt.Sprintf("preview failed: %v", err))
}
if err := playAudio(audio, "wav"); err != nil {
return statusMsg(fmt.Sprintf("playback failed: %v", err))
}
return statusMsg(fmt.Sprintf("previewed: %s", v.VoiceName))
}
}
func (m tournamentModel) View() string {
// Winner screen.
if m.winner != nil {
var b strings.Builder
b.WriteString(tournamentWinStyle.Render(" 1st"))
b.WriteString(" ")
b.WriteString(tournamentPickStyle.Render(fmt.Sprintf("%s (%s)", m.winner.VoiceName, m.winner.VoiceID)))
b.WriteString(" ")
b.WriteString(tournamentDimStyle.Render(fmt.Sprintf("%s %s %s", m.winner.Gender, m.winner.Age, strings.Join(m.winner.UseCases, ","))))
b.WriteString("\n")
if m.runnerUp != nil {
b.WriteString(tournamentDimStyle.Render(" 2nd"))
b.WriteString(" ")
b.WriteString(tournamentVoiceStyle.Render(fmt.Sprintf("%s (%s)", m.runnerUp.VoiceName, m.runnerUp.VoiceID)))
b.WriteString(" ")
b.WriteString(tournamentDimStyle.Render(fmt.Sprintf("%s %s %s", m.runnerUp.Gender, m.runnerUp.Age, strings.Join(m.runnerUp.UseCases, ","))))
b.WriteString("\n")
}
return b.String()
}
var b strings.Builder
// Title.
stageName := tournamentStageName(len(m.pool))
b.WriteString(tournamentTitleStyle.Render(fmt.Sprintf(" %s Match %d/%d", stageName, m.matchIdx+1, m.matchesLen)))
b.WriteString("\n\n")
// Voice 1.
v1 := m.left()
useCases1 := strings.Join(v1.UseCases, ",")
b.WriteString(tournamentPickStyle.Render(" 1. "))
b.WriteString(tournamentVoiceStyle.Render(fmt.Sprintf("%-12s %-8s %-14s %s", v1.VoiceName, v1.Gender, v1.Age, useCases1)))
b.WriteString("\n")
// Voice 2.
v2 := m.right()
useCases2 := strings.Join(v2.UseCases, ",")
b.WriteString(tournamentPickStyle.Render(" 2. "))
b.WriteString(tournamentVoiceStyle.Render(fmt.Sprintf("%-12s %-8s %-14s %s", v2.VoiceName, v2.Gender, v2.Age, useCases2)))
b.WriteString("\n")
// Padding.
// Top: title(1) + blank(1) + voice1(1) + voice2(1) = 4
// Bottom: status(1) + help(1) + trailing newline(1) = 3
contentLines := 7
if m.height > contentLines {
for i := 0; i < m.height-contentLines; i++ {
b.WriteString("\n")
}
}
// Status.
if m.status != "" {
b.WriteString(tournamentStatusStyle.Render(" " + m.status))
}
b.WriteString("\n")
// Help.
b.WriteString(tournamentHelpStyle.Render(" [1] Pick left [2] Pick right [P] Preview 1 [Q] Preview 2 [Esc] Quit"))
b.WriteString("\n")
return b.String()
}
func tournamentStageName(poolSize int) string {
switch poolSize {
case 2:
return "Final"
case 4:
return "Semi-Final"
default:
return fmt.Sprintf("Round of %d", poolSize)
}
}
func init() {
tournamentCmd.Flags().String("text", "", "Custom text for voice preview")
tournamentCmd.Flags().Int("size", 8, "Tournament size (rounded down to power of 2)")
tournamentCmd.Flags().String("model", "", "Filter by model (ssfm-v30, ssfm-v21)")
tournamentCmd.Flags().String("gender", "", "Filter by gender (male, female)")
tournamentCmd.Flags().String("age", "", "Filter by age (child, teenager, young_adult, middle_age, elder)")
tournamentCmd.Flags().String("use-case", "", "Filter by use case")
}