package action

import (
	"git.gophernest.net/azpect/TextEditor/internal/core"
	tea "github.com/charmbracelet/bubbletea"
)

type ReplaceChar struct {
	Char  string
	Count int
}

func (m ReplaceChar) WithChar(char string) Motion {
	m.Char = char
	return m
}

func (m ReplaceChar) Type() core.MotionType {
	return core.CharwiseInclusive
}

// WithCount sets the count (required by Repeatable interface)
func (m ReplaceChar) WithCount(n int) Action {
	m.Count = n
	return m
}

func (a ReplaceChar) Execute(m Model) tea.Cmd {
	win := m.ActiveWindow()
	buf := m.ActiveBuffer()

	if buf.UndoStack != nil && !buf.UndoStack.Recording() {
		buf.UndoStack.BeginBlock(win.Cursor)
	}

	pos := win.Cursor.Col
	line := buf.Line(win.Cursor.Line)
	for i := 0; i < a.Count && pos < len(line); i++ {
		line = line[:pos] + a.Char + line[pos+1:]
		buf.SetLine(win.Cursor.Line, line)
		pos++
	}

	win.SetCursorCol(pos - 1)
	m.SetMode(core.NormalMode)

	if buf.UndoStack != nil {
		buf.UndoStack.EndBlock(win.Cursor)
	}

	return nil
}

type EnterReplace struct {
	Count int
}

func (a EnterReplace) WithCount(n int) Action {
	a.Count = n
	return a
}

func (a EnterReplace) Execute(m Model) tea.Cmd {

	m.SetCommandOutput(&core.CommandOutput{
		Lines:   []string{"Replace mode (R) not implemented yet"},
		Inline:  true,
		IsError: true,
	})

	return nil
}