screen

type ChecklistItem struct {
	ID          string
	Label       string
	Description string
	Checked     bool
}

type ChecklistScreen struct {
	// Data fields
	Items    []ChecklistItem
	Filtered []ChecklistItem

	// UI state
	FilterInput  textinput.Model
	FilterActive bool
	Cursor       int
	ScrollOffset int
	Width        int
	Height       int
	Title        string
	Placeholder  string
	NoResults    string
	Thm          *theme.Theme

	// Callbacks
	OnSubmit func([]ChecklistItem) tea.Cmd
	OnCancel func() tea.Cmd
}

type CommandPaletteScreen struct {
	Items        []PaletteItem
	Filtered     []PaletteItem
	FilterInput  textinput.Model
	FilterActive bool
	Cursor       int
	ScrollOffset int
	Width        int
	Height       int
	Thm          *theme.Theme

	// Callbacks
	OnSelect func(actionID string) tea.Cmd
	OnCancel func() tea.Cmd
}

type CommitFileTreeNode struct {
	Path        string
	File        *models.CommitFile // nil for directories
	Children    []*CommitFileTreeNode
	Compression int // Number of compressed path segments
	Depth       int // Cached depth for rendering
}

type CommitFilesScreen struct {
	CommitSHA     string
	WorktreePath  string
	Files         []models.CommitFile
	AllFiles      []models.CommitFile // Original unfiltered files
	Tree          *CommitFileTreeNode
	TreeFlat      []*CommitFileTreeNode
	CollapsedDirs map[string]bool
	Cursor        int
	ScrollOffset  int
	Width         int
	Height        int
	Thm           *theme.Theme
	ShowIcons     bool

	// Commit metadata
	Meta CommitMeta

	// Filter/search support
	FilterInput   textinput.Model
	ShowingFilter bool
	FilterQuery   string
	ShowingSearch bool
	SearchQuery   string

	// Callbacks
	OnShowFileDiff   func(filename string) tea.Cmd
	OnShowCommitDiff func() tea.Cmd
	OnClose          func() tea.Cmd
}

type CommitMeta struct {
	SHA     string
	Author  string
	Email   string
	Date    string
	Subject string
	Body    []string
}

type CommitScreen struct {
	Meta     CommitMeta
	Stat     string
	Diff     string
	UseDelta bool
	Viewport viewport.Model
	Thm      *theme.Theme
}

type ConfirmScreen struct {
	Message        string
	SelectedButton int // 0 = Confirm, 1 = Cancel
	Thm            *theme.Theme

	// Callbacks
	OnConfirm func() tea.Cmd
	OnCancel  func() tea.Cmd
}

type DeviconFunc func(name string, isDir bool) string

type HelpScreen struct {
	Viewport    viewport.Model
	Width       int
	Height      int
	FullText    []string
	SearchInput textinput.Model
	Searching   bool
	SearchQuery string
	Thm         *theme.Theme
	ShowIcons   bool
}

type InfoScreen struct {
	Message string
	Thm     *theme.Theme

	// Callback
	OnClose func() tea.Cmd
}

type InputScreen struct {
	// Core fields
	Prompt      string
	Placeholder string
	Value       string
	Input       textinput.Model
	ErrorMsg    string
	Thm         *theme.Theme
	ShowIcons   bool

	// Validation
	Validate func(string) string

	// Callbacks
	OnSubmit         func(value string, checked bool) tea.Cmd
	OnCancel         func() tea.Cmd
	OnCheckboxToggle func(checked bool) tea.Cmd

	// Checkbox support
	CheckboxEnabled bool
	CheckboxChecked bool
	CheckboxFocused bool
	CheckboxLabel   string

	// History navigation (bash-style up/down)
	History       []string
	HistoryIndex  int    // -1 = not browsing
	OriginalInput string // Store original input when browsing history
	// contains filtered or unexported fields
}

type IssueSelectionScreen struct {
	Issues       []*models.IssueInfo
	Filtered     []*models.IssueInfo
	FilterInput  textinput.Model
	FilterActive bool
	Cursor       int
	ScrollOffset int
	Width        int
	Height       int
	Thm          *theme.Theme
	ShowIcons    bool

	OnSelect func(*models.IssueInfo) tea.Cmd
	OnCancel func() tea.Cmd
}

type ListSelectionScreen struct {
	// Data fields
	Items    []SelectionItem
	Filtered []SelectionItem

	// UI state
	FilterInput  textinput.Model
	FilterActive bool
	Cursor       int
	ScrollOffset int
	Width        int
	Height       int
	Title        string
	Placeholder  string
	NoResults    string
	Thm          *theme.Theme

	// Callbacks
	OnSelect       func(SelectionItem) tea.Cmd
	OnCancel       func() tea.Cmd
	OnCursorChange func(SelectionItem) // For live preview

	// Special key handlers (for CI checks)
	OnCtrlV func(SelectionItem) tea.Cmd // Ctrl+V handler (e.g., view logs)
	OnCtrlR func(SelectionItem) tea.Cmd // Ctrl+R handler (e.g., restart)
	OnEnter func(SelectionItem) tea.Cmd // Enter handler (overrides OnSelect if set)

	// Optional additional hint for footer (e.g., "Ctrl+r to restart")
	FooterHint string
}

type LoadingScreen struct {
	Message        string
	FrameIdx       int
	BorderColorIdx int
	Tip            string
	TipID          string
	Operation      TipOperation
	Thm            *theme.Theme
	SpinnerFrames  []string
	ShowIcons      bool
}

type Manager struct {
	// contains filtered or unexported fields
}

type NoteViewScreen struct {
	Title    string
	Content  string
	Viewport viewport.Model
	Width    int
	Height   int
	Thm      *theme.Theme

	OnEdit         func() tea.Cmd
	OnEditExternal func() tea.Cmd
	OnClose        func() tea.Cmd
}

type PRSelectionScreen struct {
	// Data fields
	PRs      []*models.PRInfo
	Filtered []*models.PRInfo

	// UI state
	FilterInput  textinput.Model
	FilterActive bool
	Cursor       int
	ScrollOffset int
	Width        int
	Height       int
	Thm          *theme.Theme
	ShowIcons    bool

	// AttachedBranches maps branch names to worktree names for branches already checked out
	AttachedBranches map[string]string

	// StatusMessage shows temporary feedback (e.g., when trying to select attached PR)
	StatusMessage string

	// Callbacks
	OnSelect func(*models.PRInfo) tea.Cmd
	OnCancel func() tea.Cmd
}

type PaletteItem struct {
	ID          string
	Label       string
	Description string
	IsSection   bool   // Non-selectable section headers
	IsMRU       bool   // Recently used items
	Shortcut    string // Keyboard shortcut display (e.g., "g")
	Icon        string // Category icon (Nerd Font)
}

type Screen interface {
	// Update processes a key message and returns the updated screen and any command.
	// Returning nil for the Screen signals that this screen should be closed.
	Update(msg tea.KeyMsg) (Screen, tea.Cmd)

	// View renders the screen's content.
	View() string

	// Type returns the screen's type identifier.
	Type() Type
}

type SelectionItem struct {
	ID          string
	Label       string
	Description string
}

type TaskboardItem struct {
	ID           string
	WorktreePath string
	WorktreeName string
	Text         string
	Checked      bool

	IsSection    bool
	SectionLabel string
	OpenCount    int
	DoneCount    int
	TotalCount   int
}

type TaskboardScreen struct {
	Items    []TaskboardItem
	Filtered []TaskboardItem

	FilterInput  textinput.Model
	FilterActive bool
	Cursor       int
	ScrollOffset int
	Width        int
	Height       int
	Title        string
	NoResults    string
	Thm          *theme.Theme

	OnToggle func(itemID string) tea.Cmd
	OnClose  func() tea.Cmd
	OnAdd    func(worktreePath string) tea.Cmd

	DefaultWorktreePath string
}

type TextareaScreen struct {
	Prompt      string
	Placeholder string
	Input       textarea.Model
	ErrorMsg    string
	Thm         *theme.Theme
	ShowIcons   bool

	// Validation
	Validate func(string) string

	// Callbacks
	OnSubmit func(value string) tea.Cmd
	OnCancel func() tea.Cmd
	// contains filtered or unexported fields
}

type Tip struct {
	ID         string
	Text       string
	Category   TipCategory
	Operations []TipOperation
	Priority   int
	ShowInHelp bool
}

type TipCategory string

type TipOperation string

type TrustScreen struct {
	FilePath string
	Commands []string
	Viewport viewport.Model
	Thm      *theme.Theme

	// Callbacks
	OnTrust  func() tea.Cmd // Called when user trusts the commands
	OnBlock  func() tea.Cmd // Called when user blocks/skips the commands
	OnCancel func() tea.Cmd // Called when user cancels the operation
}

type Type int

type UIIcon int

type WelcomeScreen struct {
	CurrentDir  string
	WorktreeDir string
	Thm         *theme.Theme

	// Callbacks
	OnRefresh func() tea.Cmd // Called when user presses 'r' to refresh
	OnQuit    func() tea.Cmd // Called when user wants to quit
}