package editor

import (
	"git.gophernest.net/azpect/TextEditor/internal/action"
	"github.com/charmbracelet/lipgloss"
)

// Styles holds all the visual styling for the editor.
// Passed to Window.View() so windows can render themselves.
type Styles struct {
	// Cursor styles by mode
	CursorNormal  lipgloss.Style
	CursorInsert  lipgloss.Style
	CursorCommand lipgloss.Style

	// Gutter (line numbers)
	Gutter            lipgloss.Style
	GutterCurrentLine lipgloss.Style

	// Visual mode
	VisualHighlight lipgloss.Style
	VisualAnchor    lipgloss.Style // debugging

	// Status bar
	StatusBar       lipgloss.Style
	StatusBarActive lipgloss.Style

	// Command line
	CommandError lipgloss.Style
}

// DefaultStyles returns the default editor color scheme.
func DefaultStyles() Styles {
	return Styles{
		CursorNormal:  lipgloss.NewStyle().Reverse(true),
		CursorInsert:  lipgloss.NewStyle().Underline(true),
		CursorCommand: lipgloss.NewStyle().Reverse(true),

		Gutter: lipgloss.NewStyle().
			Background(lipgloss.Color("236")).
			Foreground(lipgloss.Color("243")),

		GutterCurrentLine: lipgloss.NewStyle().
			Background(lipgloss.Color("236")).
			Foreground(lipgloss.Color("#d69d00")),

		VisualHighlight: lipgloss.NewStyle().
			Background(lipgloss.Color("#7a6a00")),

		VisualAnchor: lipgloss.NewStyle().
			Background(lipgloss.Color("#a89020")),

		StatusBar: lipgloss.NewStyle().
			Background(lipgloss.Color("236")).
			Foreground(lipgloss.Color("243")),

		StatusBarActive: lipgloss.NewStyle().
			Background(lipgloss.Color("62")).
			Foreground(lipgloss.Color("230")),

		CommandError: lipgloss.NewStyle().
			Foreground(lipgloss.Color("#e3203a")),
	}
}

// CursorStyle returns the appropriate cursor style for the given mode.
func (s Styles) CursorStyle(mode action.Mode) lipgloss.Style {
	switch mode {
	case action.InsertMode:
		return s.CursorInsert
	case action.CommandMode:
		return s.CursorCommand
	default:
		return s.CursorNormal
	}
}

// ==================================================
// Deprecated
// ==================================================
// func (m Model) cursorStyle() lipgloss.Style {
// 	switch m.mode {
// 	case action.NormalMode,
// 		action.VisualMode,
// 		action.VisualBlockMode,
// 		action.VisualLineMode:
// 		// Block cursor for normal mode
// 		return lipgloss.NewStyle().Reverse(true)
// 	case action.InsertMode:
// 		// Bar/underline for insert mode
// 		return lipgloss.NewStyle().Underline(true)
// 	case action.CommandMode:
// 		return lipgloss.NewStyle().Reverse(true)
// 	default:
// 		return lipgloss.NewStyle().Reverse(true)
// 	}
// }
//
// // DEBUGGING STYLE
// func (m Model) visualAnchorStyle() lipgloss.Style {
// 	bg := lipgloss.Color("#a89020")
// 	return lipgloss.NewStyle().Background(bg)
// }
//
// func (m Model) gutterStyle(currentLine bool) lipgloss.Style {
// 	bg := lipgloss.Color("236")
// 	fg := lipgloss.Color("243")
// 	if currentLine {
// 		fg = lipgloss.Color("#d69d00")
// 	}
// 	return lipgloss.NewStyle().
// 		Width(m.Settings().GutterSize).
// 		Background(bg).
// 		Foreground(fg)
// }
//
// func (m Model) visualHighlightStyle() lipgloss.Style {
// 	bg := lipgloss.Color("#7a6a00")
// 	return lipgloss.NewStyle().Background(bg)
// }
//
// func (m Model) commandErrorStyle() lipgloss.Style {
// 	fg := lipgloss.Color("#e3203a")
// 	return lipgloss.NewStyle().Foreground(fg)
// }