session_ops_dialog.go RawHistoryFolder

1package modes
2
3import (
4	"github.com/bnema/zut/packages/tui"
5)
6
7// sessionOpsDialog is the picker shown when the user runs `/session`
8// without an argument. Offers the two portable-file operations on
9// the current conversation: export (write the in-memory transcript
10// plus meta to a .zutsession file) and import (load a .zutsession
11// from another machine and swap it in as the active session).
12//
13// Shape mirrors telegramDialog and logoutDialog: tiny list, arrow
14// keys to move, enter to pick, esc to cancel.
15type sessionOpsDialog struct {
16	active bool
17	items  []sessionOpsItem
18	cursor int
19}
20
21type sessionOpsItem struct {
22	label  string
23	action string // "export" | "import"
24	hint   string
25}
26
27type sessionOpsAction struct {
28	Select bool
29	Action string
30	Close  bool
31}
32
33func newSessionOpsDialog() *sessionOpsDialog { return &sessionOpsDialog{} }
34
35// Open shows the picker. Items are usually both "export" and
36// "import" but the caller can suppress either (e.g. hide export
37// when the session is empty).
38func (d *sessionOpsDialog) Open(items []sessionOpsItem) bool {
39	if len(items) == 0 {
40		return false
41	}
42	d.items = items
43	d.cursor = 0
44	d.active = true
45	return true
46}
47
48// Close hides the dialog.
49func (d *sessionOpsDialog) Close() { d.active = false }
50
51// Active reports whether the dialog is consuming input.
52func (d *sessionOpsDialog) Active() bool { return d != nil && d.active }
53
54// HandleKey advances the selection or resolves the dialog.
55func (d *sessionOpsDialog) HandleKey(k tui.Key) sessionOpsAction {
56	switch k.Kind {
57	case tui.KeyUp:
58		if d.cursor > 0 {
59			d.cursor--
60		}
61	case tui.KeyDown:
62		if d.cursor < len(d.items)-1 {
63			d.cursor++
64		}
65	case tui.KeyEsc:
66		d.Close()
67		return sessionOpsAction{Close: true}
68	case tui.KeyEnter:
69		if len(d.items) == 0 {
70			d.Close()
71			return sessionOpsAction{Close: true}
72		}
73		it := d.items[d.cursor]
74		d.Close()
75		return sessionOpsAction{Select: true, Action: it.action}
76	}
77	return sessionOpsAction{}
78}
79
80// Render returns the dialog lines.
81func (d *sessionOpsDialog) Render(th tui.Theme, width int) []string {
82	if !d.Active() {
83		return nil
84	}
85	var lines []string
86	lines = append(lines, frameHeader(th, "session", width))
87	lines = append(lines, th.FGColor(th.Muted, "pick an action (\u2191/\u2193, enter, esc to cancel):"))
88	for i, it := range d.items {
89		text := "  " + it.label
90		if it.hint != "" {
91			text += "  (" + it.hint + ")"
92		}
93		if i == d.cursor {
94			lines = append(lines, th.PadHighlight(text, width))
95		} else {
96			lines = append(lines, th.FGColor(th.Muted, text))
97		}
98	}
99	lines = append(lines, frameRule(th, width))
100	return lines
101}