package main

import (
	"flag"
	"fmt"
	"os"

	"github.com/charmbracelet/bubbles/textinput"
	tea "github.com/charmbracelet/bubbletea"
)

const help = `go-sh-manymanuals: TODO

TODO

Options:
	-h    output help
`

var helpFlag bool

type Configuration struct {
	ManualDir string
}

func handleCliFlags() {
	flag.BoolVar(&helpFlag, "h", false, "output help")
	flag.Parse()
}

type model struct {
	filterInput textinput.Model
}

func initialModel() model {
	input := textinput.New()
	input.Focus()

	return model{
		filterInput: input,
	}
}

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

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

	switch msg := msg.(type) {
	case tea.KeyMsg:
		switch msg.String() {
		case "ctrl+c", "q":
			return m, tea.Quit
		}
	}

	m.filterInput, cmd = m.filterInput.Update(msg)

	return m, cmd
}

func (m model) View() string {
	return m.filterInput.View()
}

func main() {
	handleCliFlags()

	if helpFlag {
		fmt.Printf(help)
		os.Exit(0)
	}

	p := tea.NewProgram(initialModel(), tea.WithAltScreen())
	if err := p.Start(); err != nil {
		fmt.Printf("oops, something went wrong: %v", err)
		os.Exit(1)
	}
}