package tui

import (
	"github.com/charmbracelet/lipgloss"
)

var (
	cyberRed       = lipgloss.Color("#FF0033")
	cyberRedDark   = lipgloss.Color("#8B0020")
	cyberRedDeep   = lipgloss.Color("#5C0015")
	cyberPink      = lipgloss.Color("#FF1A5E")
	cyberRose      = lipgloss.Color("#FF4D6D")
	neonRed        = lipgloss.Color("#FF1744")
	brightRed      = lipgloss.Color("#FF5252")
	dimRed         = lipgloss.Color("#6B2033")
	mutedRed       = lipgloss.Color("#4A1525")

	textBright     = lipgloss.Color("#EAE0E2")
	textMain       = lipgloss.Color("#D4C4C8")
	textDim        = lipgloss.Color("#8A7A7E")
	textMuted      = lipgloss.Color("#5A4F52")

	successGreen   = lipgloss.Color("#00E676")
	warnAmber      = lipgloss.Color("#FFD740")
	errorRed       = lipgloss.Color("#FF1744")

	bgVoid         = lipgloss.Color("#0A0A0C")
	bgBase         = lipgloss.Color("#0F0D10")
	bgSurface      = lipgloss.Color("#161218")
	bgPanel        = lipgloss.Color("#1C1719")
	bgCard         = lipgloss.Color("#221B1E")
	bgInput        = lipgloss.Color("#2A2225")

	borderDim      = lipgloss.Color("#2A1F22")
	borderRed      = lipgloss.Color("#FF003344")
	borderRedFull  = lipgloss.Color("#FF0033")
)

var (
	baseStyle = lipgloss.NewStyle()

	titleBlockStyle = lipgloss.NewStyle().
			Foreground(cyberRed).
			Bold(true)

	sectionTitleStyle = lipgloss.NewStyle().
				Foreground(cyberRed).
				Bold(true)

	labelStyle = lipgloss.NewStyle().
			Foreground(textDim).
			Width(14)

	valueStyle = lipgloss.NewStyle().
			Foreground(textMain)

	cardStyle = lipgloss.NewStyle().
			Background(bgCard).
			Border(lipgloss.RoundedBorder()).
			BorderForeground(borderDim).
			Padding(0, 1)

	cardActiveStyle = lipgloss.NewStyle().
			Background(bgCard).
			Border(lipgloss.RoundedBorder()).
			BorderForeground(cyberRed).
			Padding(0, 1)

	sidebarStyle = lipgloss.NewStyle().
			Background(bgSurface).
			Border(lipgloss.Border{Right: "│"}).
			BorderForeground(borderDim).
			Padding(0, 1)

	statusBarStyle = lipgloss.NewStyle().
			Background(bgSurface).
			Foreground(textDim).
			Padding(0, 1)

	inputStyle = lipgloss.NewStyle().
			Foreground(cyberRed)

	userMsgStyle = lipgloss.NewStyle().
			Foreground(cyberRose)

	aiMsgStyle = lipgloss.NewStyle().
			Foreground(textMain)

	errMsgStyle = lipgloss.NewStyle().
			Foreground(errorRed)

	itemOKStyle = lipgloss.NewStyle().Foreground(successGreen)
	itemMissingStyle = lipgloss.NewStyle().Foreground(errorRed)
	itemWarnStyle = lipgloss.NewStyle().Foreground(warnAmber)
	itemPendingStyle = lipgloss.NewStyle().Foreground(textMuted)

	confirmBoxStyle = lipgloss.NewStyle().
				Border(lipgloss.RoundedBorder()).
				BorderForeground(cyberRed).
				Background(bgCard).
				Foreground(textBright).
				Padding(1, 3).
				Bold(true)

	confirmYesStyle = lipgloss.NewStyle().Foreground(successGreen).Bold(true)
	confirmNoStyle = lipgloss.NewStyle().Foreground(textMuted)

	badgeStyle = lipgloss.NewStyle().
			Background(cyberRed).
			Foreground(lipgloss.Color("#FFFFFF")).
			Padding(0, 1).
			Bold(true)

	tabBarStyle = lipgloss.NewStyle().Background(bgSurface)

	stepDoneStyle = lipgloss.NewStyle().Foreground(successGreen)
	stepPendingStyle = lipgloss.NewStyle().Foreground(textMuted)
	stepCurrentStyle = lipgloss.NewStyle().Foreground(cyberRed).Bold(true)
	stepErrorStyle = lipgloss.NewStyle().Foreground(errorRed)
)

var logoLines = []string{
	"███╗   ███╗██╗   ██╗ █████╗ ███╗   ██╗███████╗",
	"████╗ ████║╚██╗ ██╔╝██╔══██╗████╗  ██║██╔════╝",
	"██╔████╔██║ ╚████╔╝ ███████║██╔██╗ ██║███████╗",
	"██║╚██╔╝██║  ╚██╔╝  ██╔══██║██║╚██╗██║╚════██║",
	"██║ ╚═╝ ██║   ██║   ██║  ██║██║ ╚████║███████║",
	"╚═╝     ╚═╝   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═══╝╚══════╝",
}

var scanFrames = []string{
	"───────────────────────────     ───",
	"   ─────────────────────────── ─── ",
	"── ────────────────────────────    ",
	"─  ─── ────────────────────────────",
	"───   ─────────────────────────── ─",
	" ──── ─────────────────────────────",
}

func getAnimFrame(frame int) string {
	frames := []string{
		"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏",
	}
	return frames[frame%len(frames)]
}

func getScanFrame(frame int) string {
	return scanFrames[frame%len(scanFrames)]
}

func renderLogo() string {
	styled := make([]string, len(logoLines))
	for i, line := range logoLines {
		styled[i] = lipgloss.NewStyle().Foreground(cyberRed).Bold(true).Render(line)
	}
	return lipgloss.JoinVertical(lipgloss.Left, styled...)
}

func renderBlockTitle(text string) string {
	width := len(text) + 6
	top := lipgloss.NewStyle().Foreground(dimRed).Render(
		"╭" + repeatStr("─", width) + "╮",
	)
	content := lipgloss.NewStyle().Foreground(cyberRed).Bold(true).Render(
		"│ ■ " + text + " ■ │",
	)
	bottom := lipgloss.NewStyle().Foreground(dimRed).Render(
		"╰" + repeatStr("─", width) + "╯",
	)
	return lipgloss.JoinVertical(lipgloss.Left, top, content, bottom)
}

func renderSectionHeader(title string, icon string) string {
	return lipgloss.NewStyle().Foreground(cyberRed).Bold(true).Render(
		"■ "+icon+" "+title+" ■",
	)
}

func renderProgressBar(pct float64, width int) string {
	filled := int(float64(width) * pct)
	empty := width - filled
	bar := lipgloss.NewStyle().Foreground(cyberRed).Bold(true).Render(
		repeatStr("█", filled),
	) + lipgloss.NewStyle().Foreground(dimRed).Render(
		repeatStr("░", empty),
	)
	return bar
}

func repeatStr(s string, n int) string {
	result := ""
	for i := 0; i < n; i++ {
		result += s
	}
	return result
}