package tui

import (
	"github.com/charmbracelet/bubbles/textinput"
	"github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/lipgloss"
	"github.com/titor/fanyi/internal/config"
	"github.com/titor/fanyi/internal/translator"
)

type model struct {
	config     *config.Config
	translator *translator.Translator
	textInput  textinput.Model
}

var (
	inputStyle = lipgloss.NewStyle().
			Foreground(lipgloss.Color("#FAFAFA")).
			Background(lipgloss.Color("#1A1A2E"))
	focusedStyle = lipgloss.NewStyle().
			Foreground(lipgloss.Color("#FAFAFA")).
			Background(lipgloss.Color("#16213E"))
)

func NewApp(cfg *config.Config, t *translator.Translator) *tea.Program {
	ti := textinput.New()
	ti.Placeholder = "输入要翻译的文本..."
	ti.Focus()
	ti.Prompt = "> "
	ti.TextStyle = inputStyle

	return tea.NewProgram(model{
		config:     cfg,
		translator: t,
		textInput:  ti,
	})
}

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

func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	var cmd tea.Cmd

	switch msg := msg.(type) {
	case tea.KeyMsg:
		switch msg.Type {
		case tea.KeyEnter:
			// 回车键处理，后续模块会添加翻译逻辑
		case tea.KeyCtrlC, tea.KeyEsc:
			return m, tea.Quit
		}
	}

	m.textInput, cmd = m.textInput.Update(msg)
	return m, cmd
}

func (m model) View() string {
	return "\n" +
		"  YOYO翻译\n" +
		"  ─────────────────────\n\n" +
		"  " + m.textInput.View() + "\n\n" +
		"  按 Ctrl+C 退出\n"
}