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
	ModeFull     string
	ModeSigns    string
	ModeSkip     string

	TreePipe   string
	TreeMiddle string
	TreeLast   string
	TreeSpace  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
	// 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
	HighlightMaxBytes int
	WindowTitle       string
	OnThemeChange     func(string) error
	Prompt            string
	OnCopy            func([]Selection) error
	OnCopyPrompt      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
}

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 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 {
	Name     string
	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
}

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
	// 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
}