package app

import "github.com/charmbracelet/bubbles/key"

// KeyMap defines all keybindings
type KeyMap struct {
	// Global
	Quit       key.Binding
	Help       key.Binding
	PlayPause  key.Binding

	// Focus
	FocusWaveform   key.Binding
	FocusTranscript key.Binding

	// Waveform navigation
	SeekForward    key.Binding
	SeekBackward   key.Binding
	SeekForwardBig key.Binding
	SeekBackwardBig key.Binding

	// Transcript navigation
	ScrollUp   key.Binding
	ScrollDown key.Binding
	PageUp     key.Binding
	PageDown   key.Binding
	GoTop      key.Binding
	GoBottom   key.Binding

	// Editing
	EnterEdit key.Binding
}

// DefaultKeyMap returns the default keybindings
func DefaultKeyMap() KeyMap {
	return KeyMap{
		Quit: key.NewBinding(
			key.WithKeys("q", "ctrl+c"),
			key.WithHelp("q", "quit"),
		),
		Help: key.NewBinding(
			key.WithKeys("?"),
			key.WithHelp("?", "help"),
		),
		PlayPause: key.NewBinding(
			key.WithKeys(" "),
			key.WithHelp("space", "play/pause"),
		),
		FocusWaveform: key.NewBinding(
			key.WithKeys("ctrl+k"),
			key.WithHelp("ctrl+k", "focus waveform"),
		),
		FocusTranscript: key.NewBinding(
			key.WithKeys("ctrl+j"),
			key.WithHelp("ctrl+j", "focus transcript"),
		),
		SeekForward: key.NewBinding(
			key.WithKeys("l", "right"),
			key.WithHelp("l/→", "seek forward"),
		),
		SeekBackward: key.NewBinding(
			key.WithKeys("h", "left"),
			key.WithHelp("h/←", "seek backward"),
		),
		SeekForwardBig: key.NewBinding(
			key.WithKeys("L", "shift+right"),
			key.WithHelp("L", "seek forward (big)"),
		),
		SeekBackwardBig: key.NewBinding(
			key.WithKeys("H", "shift+left"),
			key.WithHelp("H", "seek backward (big)"),
		),
		ScrollUp: key.NewBinding(
			key.WithKeys("k", "up"),
			key.WithHelp("k/↑", "scroll up"),
		),
		ScrollDown: key.NewBinding(
			key.WithKeys("j", "down"),
			key.WithHelp("j/↓", "scroll down"),
		),
		PageUp: key.NewBinding(
			key.WithKeys("ctrl+u"),
			key.WithHelp("ctrl+u", "page up"),
		),
		PageDown: key.NewBinding(
			key.WithKeys("ctrl+d"),
			key.WithHelp("ctrl+d", "page down"),
		),
		GoTop: key.NewBinding(
			key.WithKeys("g"),
			key.WithHelp("gg", "go to top"),
		),
		GoBottom: key.NewBinding(
			key.WithKeys("G"),
			key.WithHelp("G", "go to bottom"),
		),
		EnterEdit: key.NewBinding(
			key.WithKeys("i"),
			key.WithHelp("i", "edit transcript"),
		),
	}
}

// HelpView returns a formatted help string
func (k KeyMap) HelpView() string {
	return `Keybindings:

Global:
  space       Play/Pause
  ctrl+j      Focus transcript
  ctrl+k      Focus waveform
  q           Quit
  ?           Toggle help

Waveform (when focused):
  h / ←       Seek backward (5s)
  l / →       Seek forward (5s)
  H           Seek backward (30s)
  L           Seek forward (30s)

Transcript (when focused):
  j / ↓       Next cue
  k / ↑       Previous cue
  ctrl+d      Jump 5 cues down
  ctrl+u      Jump 5 cues up
  g           Go to first cue
  G           Go to last cue
  enter       Seek audio to cue
  i           Edit in $EDITOR at cue`
}