package steps

import (
	"miasma-installer/tui/styles"
	"strings"

	tea "github.com/charmbracelet/bubbletea"
)

type WelcomeModel struct {
	Finished bool
}

func NewWelcomeModel() WelcomeModel {
	return WelcomeModel{Finished: false}
}

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

func (m WelcomeModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	if m.Finished {
		return m, nil
	}

	switch msg := msg.(type) {
	case tea.KeyMsg:
		switch msg.String() {
		case "enter":
			m.Finished = true
		}
	}
	return m, nil
}

func (m WelcomeModel) View() string {
	logo := `
  ███╗   ███╗██╗ █████╗ ███████╗███╗   ███╗ █████╗ 
  ████╗ ████║██║██╔══██╗██╔════╝████╗ ████║██╔══██╗
  ██╔████╔██║██║███████║███████╗██╔████╔██║███████║
  ██║╚██╔╝██║██║██╔══██║╚════██║██║╚██╔╝██║██╔══██║
  ██║ ╚═╝ ██║██║██║  ██║███████║██║ ╚═╝ ██║██║  ██║
  ╚═╝     ╚═╝╚═╝╚═╝  ╚═╝╚══════╝╚═╝     ╚═╝╚═╝  ╚═╝
`

	var content strings.Builder
	
	content.WriteString(styles.LogoStyle.Render(logo))
	content.WriteString("\n\n")
	content.WriteString(styles.TitleStyle.Render("Welcome to Miasma OS Installer"))
	content.WriteString("\n")
	content.WriteString(styles.SubtitleStyle.Render("An opinionated Arch Linux installation"))
	content.WriteString("\n\n")

	features := []string{
		"🔒 LUKS2 encryption by default",
		"🗂️  Btrfs filesystem with snapshots",
		"🛡️  Hardened Linux kernel",
		"🚀 Cosmic Desktop environment",
		"⚡ UEFI boot with systemd-boot",
	}

	featureBox := styles.InfoBoxStyle.Render(strings.Join(features, "\n"))
	content.WriteString(featureBox)
	content.WriteString("\n\n")

	warning := styles.WarningBoxStyle.Render("⚠️  WARNING: This will erase all data on the selected disk!")
	content.WriteString(warning)
	content.WriteString("\n\n")

	help := styles.RenderHelp("Enter", "Continue", "Ctrl+C", "Exit")
	content.WriteString(help)

	return styles.AppStyle.Render(content.String())
}