tui

type Layer struct {
	Stack          string `json:"stack"`
	Position       int    `json:"position"`
	Branch         string `json:"branch"`
	Title          string `json:"title"` // PR title (shown in --all mode)
	PRNumber       int    `json:"pr_number"`
	PRState        string `json:"pr_state"`        // "OPEN", "MERGED", or ""
	CIStatus       string `json:"ci_status"`       // SUCCESS, FAILURE, PENDING, ""
	ReviewDecision string `json:"review_decision"` // APPROVED, CHANGES_REQUESTED, REVIEW_REQUIRED, ""
	UpdatedAt      string `json:"updated_at"`      // RFC3339; "" if unknown
	// ChangesSinceReview is the number of commits added since the current
	// user's last review on this PR; 0 means "no prior review or no new
	// commits since."
	ChangesSinceReview int  `json:"changes_since_review"`
	IsCurrent          bool `json:"is_current"`
	NeedsSync          bool `json:"needs_sync"`
	Depth              int  `json:"depth"` // nesting depth for tree view (--all mode)
}

type Model struct {
	// Layers and Cursor describe the currently visible view. When Tabs is
	// non-empty these mirror m.Tabs[m.ActiveTab] and are swapped on tab change.
	Layers []Layer
	Cursor int

	// Tabs, when set, enables the tab bar across the top. Leave nil for a
	// single-view TUI (e.g. cn status --all without tabs).
	Tabs      []Tab
	ActiveTab int

	// Updater is invoked to push a new PR title. If nil, the rename action is
	// disabled.
	Updater TitleUpdater
	// contains filtered or unexported fields
}

type PendingAction int

type Result struct {
	Action   PendingAction
	Branch   string
	PRNumber int
}

type Tab struct {
	Label  string
	Layers []Layer
	Cursor int
}

type TitleUpdater func(ctx context.Context, number int, newTitle string) error