package editor

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

func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	var cmd tea.Cmd

	switch msg := msg.(type) {

	case tea.WindowSizeMsg:
		m.win_h = msg.Height
		m.win_w = msg.Width

	case tea.KeyMsg:
		// BUG: for use in debugging, until we have command mode
		if msg.String() == "ctrl+c" {
			return m, tea.Quit
		}

		switch m.mode {
		case action.NormalMode,
			action.InsertMode,
			action.VisualMode,
			action.VisualBlockMode,
			action.VisualLineMode:
			cmd = m.input.Handle(&m, msg.String())

			// The only one left to migrate!
		case action.CommandMode:
			switch msg.String() {
			case "esc":
				m.mode = action.NormalMode
				m.command = ""

			default:
				m.command += msg.String()
			}
		}
	}

	// Keep cursor in view after any update
	m.AdjustScroll()

	return m, cmd
}