package main

import tea "github.com/charmbracelet/bubbletea"

type mode int

const (
	NormalMode mode = iota
	InsertMode
	CommandMode
)

type cursor struct {
	x int
	y int
}

type model struct {
	lines    []string
	cursor   cursor
	s_gutter int
	mode     mode
	win_h    int
	win_w    int
	command  string
	input    *InputHandler
}

func newModel() model {
	return model{
		lines: []string{
			"Hello world",
			"line 2",
			"line 3",
			"line 4",
			"line 5",
			"line 6",
		},
		cursor: cursor{
			x: 0,
			y: 0,
		},
		s_gutter: 5,
		mode:     NormalMode,
		command:  "",
		input:    NewInputHandler(),
	}
}

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

func (m *model) clampCursorX() {
	lineLen := len(m.lines[m.cursor.y])
	if lineLen == 0 {
		m.cursor.x = 0
	} else if m.cursor.x >= lineLen {
		m.cursor.x = lineLen
	}
}

func (m model) getCursorPosition() Position {
	return Position{Line: m.cursor.y, Col: m.cursor.x}
}