tui

type CompressMode string

type DeltaCommit struct {
	Short   string
	Subject string
	Checked bool
}

type DeltaInfo struct {
	RootDir    string
	FromHash   string
	FromMsg    string
	HeadHash   string
	HeadMsg    string
	Commits    []DeltaCommit // newest first; Checked selects how far back to go
	Files      []string      // changed files from FromHash..HEAD
	FilesToken int           // token estimate for the full-content strategy
	PatchToken int           // token estimate for the raw-patch strategy
	PatchLines int           // approximate line count of the raw patch
}

type DeltaSelection struct {
	Strategy  DeltaStrategy
	From      string
	To        string
	Clipboard bool
}

type DeltaStrategy int

type ErrMsg struct {
	Err error
}

type Glyphs struct {
	FolderClosed string
	FolderOpen   string
	File         string
	Warning      string
	CheckFull    string
	CheckPartial string
	CheckNone    string
	Cursor       string
	Relevant     string
	Success      string
	Refresh      string
	ModeFull     string
	ModeSigns    string
	ModeSkip     string

	TreePipe   string
	TreeMiddle string
	TreeLast   string
	TreeSpace  string

	Theme  string
	Delta  string
	Prompt string
	Help   string
}

type Item struct {
	// Path is the file's path relative to the scanned root.
	Path string
	// IsDir marks a directory for the structure skeleton. BuildTree forces a
	// KindDir leaf so empty directories render as folders, not files. Files
	// never set it.
	IsDir bool
	// Content is the full (redacted) content, used for the preview pane.
	Content []byte
	// SigContent is the signature-only summary when available.
	SigContent []byte
	// TokensFull and TokensSig are the token counts of the two variants.
	TokensFull int
	TokensSig  int
	// ApproxTokens is a byte-based estimate shown as "~n tok" until the exact
	// count lands. Skeleton items carry it; enriched items do not.
	ApproxTokens int
	// SecretCount is the number of secrets detected in the file.
	SecretCount int
	Hidden      bool
	GitIgnored  bool
	// RankScore is the git relevance score.
	RankScore float64
	// ModeReason explains the automatic mode recommendation when available.
	ModeReason   string
	TestAffinity float64
	// PreferredMode is the git-history-backed mode preference for this file.
	// Empty means no preference; BuildTree falls back to the default full.
	PreferredMode CompressMode
}

type NodeKind int

type NodesMsg struct {
	Items  []Item
	Remove []string
}

type Options struct {
	Budget            int
	Style             string
	UseNerd           bool
	Highlight         bool
	Theme             string
	UITheme           string
	UserThemes        []ThemePreset
	HighlightMaxBytes int
	WindowTitle       string
	ProjectPath       string
	OnThemeChange     func(string) error
	Prompt            string
	SelectionTuning   selection.Tuning
	OnCopy            func([]Selection) error
	OnCopyPrompt      func([]Selection, string) error
	OnGenerateCopy    func([]Selection, string) error

	// OnGenerate renders the current selection without exiting the picker
	// (pressing g). It mirrors OnCopy but writes the document instead of the
	// clipboard.
	OnGenerate func([]Selection) error
	// OnGeneratePrompt is the prompt-aware variant used by the TUI directive
	// builder. When nil, OnGenerate is used for backward compatibility.
	OnGeneratePrompt func([]Selection, string) error

	// Delta is the git delta state shown in the delta modal (pressing d).
	// When nil the modal shows "not available" messaging. OnDelta is invoked
	// when the user confirms a delta dump.
	Delta   *DeltaInfo
	OnDelta func(DeltaSelection) error

	// OnRescan starts a fresh background scan and returns its stream
	// (pressing r). When nil the picker reports rescan as unavailable.
	OnRescan func() (Stream, error)
}

type PaneFocus int

type ProgressMsg struct {
	Files     int
	Dirs      int
	Processed int
	Skipped   int
	Done      bool
}

type PromptPreset struct {
	Name string
	Text string
}

type Result struct {
	// Selections is the user's file selection and modes, empty when the
	// session ended via a delta dump or with nothing selected.
	Selections []Selection
	// DeltaDone reports that the session ended by performing a delta dump,
	// whose output replaces any picker selection.
	DeltaDone bool
}

type SelectState int

type Selection struct {
	Path string
	Mode CompressMode
}

type StatusColors struct {
	Info    lipgloss.Color
	Success lipgloss.Color
	Warning lipgloss.Color
	Error   lipgloss.Color
}

type Stream struct {
	// Nodes carries batches of enriched items that upsert into the skeleton
	// tree passed to RunStreaming.
	Nodes <-chan NodesMsg
	// Progress carries scan statistics for the footer.
	Progress <-chan ProgressMsg
	// Err carries a fatal scan error, after which no more messages arrive.
	Err <-chan error
}

type ThemePreset struct {
	// ID is the stable persisted identity; Name remains the display label.
	ID          string
	Name        string
	Family      string
	Variant     string
	Description string
	Dark        bool
	// FollowTerminal marks a palette that intentionally uses the terminal's
	// ANSI colors instead of fixed RGB values.
	FollowTerminal bool

	Border   lipgloss.Color
	Title    lipgloss.Color
	Muted    lipgloss.Color
	CursorBg lipgloss.Color
	CursorFg lipgloss.Color
	Selected lipgloss.Color
	Notice   lipgloss.Color
	ModeFull lipgloss.Color
	ModeSig  lipgloss.Color
	ModeSkip lipgloss.Color
	// Highlight is retained for compatibility with legacy RenderLine callers.
	Highlight highlight.Palette
	// Syntax is the theme-independent semantic palette for cached previews.
	Syntax highlight.SyntaxPalette

	UI     UIColors
	Status StatusColors
}

type TreeNode struct {
	Name     string
	Path     string // Relative slash-separated path; "" for the root.
	Kind     NodeKind
	Children []*TreeNode
	Parent   *TreeNode
	Expanded bool // Folder open/closed.

	SelectState SelectState
	Mode        CompressMode // Effective mode, default full.
	// PreferredMode is the mode smart select should fall back to for this
	// file, derived from git commit history. Empty means "no preference".
	PreferredMode CompressMode

	// TokensFull and TokensSig aggregate descendant token counts. For files
	// they come straight from the item; for directories they are the sum of
	// all descendants.
	TokensFull       int
	TokensSig        int
	ActiveTokens     int // Cached active tokens for O(1) lookup
	FileCountVal     int // Cached file count for O(1) lookup
	SelectedCountVal int // Cached selected file count for O(1) lookup
	SecretCount      int
	RankScore        float64
	ModeReason       string
	TestAffinity     float64
	// ApproxTokens is a byte-based token estimate shown with a "~" until the
	// exact count arrives via the scan stream. Zero once TokensFull is known.
	ApproxTokens int

	// Content and SigContent are the file's two renderings (only set on file
	// nodes). They are nil on directories.
	Content    []byte
	SigContent []byte

	// Filtered marks whether the node is hidden by the active fuzzy filter.
	Filtered   bool
	Hidden     bool
	GitIgnored bool
}

type UIColors struct {
	Background   lipgloss.Color
	Surface      lipgloss.Color
	SurfaceAlt   lipgloss.Color
	Text         lipgloss.Color
	TextMuted    lipgloss.Color
	TextSubtle   lipgloss.Color
	Accent       lipgloss.Color
	AccentSoft   lipgloss.Color
	Border       lipgloss.Color
	BorderActive lipgloss.Color
	CursorBg     lipgloss.Color
	CursorFg     lipgloss.Color
	SelectionBg  lipgloss.Color
	SelectionFg  lipgloss.Color
	TreeGuide    lipgloss.Color
	Scrollbar    lipgloss.Color
	ModeFull     lipgloss.Color
	ModeSig      lipgloss.Color
	ModeSkip     lipgloss.Color
}