tui.go

  1package tui
  2
  3import (
  4	"github.com/charmbracelet/bubbles/key"
  5	tea "github.com/charmbracelet/bubbletea"
  6	"github.com/charmbracelet/lipgloss"
  7	"github.com/kujtimiihoxha/termai/internal/app"
  8	"github.com/kujtimiihoxha/termai/internal/logging"
  9	"github.com/kujtimiihoxha/termai/internal/permission"
 10	"github.com/kujtimiihoxha/termai/internal/pubsub"
 11	"github.com/kujtimiihoxha/termai/internal/tui/components/core"
 12	"github.com/kujtimiihoxha/termai/internal/tui/components/dialog"
 13	"github.com/kujtimiihoxha/termai/internal/tui/components/repl"
 14	"github.com/kujtimiihoxha/termai/internal/tui/layout"
 15	"github.com/kujtimiihoxha/termai/internal/tui/page"
 16	"github.com/kujtimiihoxha/termai/internal/tui/util"
 17	"github.com/kujtimiihoxha/vimtea"
 18)
 19
 20type keyMap struct {
 21	Logs   key.Binding
 22	Return key.Binding
 23	Back   key.Binding
 24	Quit   key.Binding
 25	Help   key.Binding
 26}
 27
 28var keys = keyMap{
 29	Logs: key.NewBinding(
 30		key.WithKeys("L"),
 31		key.WithHelp("L", "logs"),
 32	),
 33	Return: key.NewBinding(
 34		key.WithKeys("esc"),
 35		key.WithHelp("esc", "close"),
 36	),
 37	Back: key.NewBinding(
 38		key.WithKeys("backspace"),
 39		key.WithHelp("backspace", "back"),
 40	),
 41	Quit: key.NewBinding(
 42		key.WithKeys("ctrl+c", "q"),
 43		key.WithHelp("ctrl+c/q", "quit"),
 44	),
 45	Help: key.NewBinding(
 46		key.WithKeys("?"),
 47		key.WithHelp("?", "toggle help"),
 48	),
 49}
 50
 51var replKeyMap = key.NewBinding(
 52	key.WithKeys("N"),
 53	key.WithHelp("N", "new session"),
 54)
 55
 56type appModel struct {
 57	width, height int
 58	currentPage   page.PageID
 59	previousPage  page.PageID
 60	pages         map[page.PageID]tea.Model
 61	loadedPages   map[page.PageID]bool
 62	status        tea.Model
 63	help          core.HelpCmp
 64	dialog        core.DialogCmp
 65	app           *app.App
 66	dialogVisible bool
 67	editorMode    vimtea.EditorMode
 68	showHelp      bool
 69}
 70
 71func (a appModel) Init() tea.Cmd {
 72	cmd := a.pages[a.currentPage].Init()
 73	a.loadedPages[a.currentPage] = true
 74	return cmd
 75}
 76
 77func (a appModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 78	var cmds []tea.Cmd
 79	var cmd tea.Cmd
 80	switch msg := msg.(type) {
 81	case tea.WindowSizeMsg:
 82		var cmds []tea.Cmd
 83		msg.Height -= 1 // Make space for the status bar
 84		a.width, a.height = msg.Width, msg.Height
 85
 86		a.status, _ = a.status.Update(msg)
 87
 88		uh, _ := a.help.Update(msg)
 89		a.help = uh.(core.HelpCmp)
 90
 91		p, cmd := a.pages[a.currentPage].Update(msg)
 92		cmds = append(cmds, cmd)
 93		a.pages[a.currentPage] = p
 94
 95		d, cmd := a.dialog.Update(msg)
 96		cmds = append(cmds, cmd)
 97		a.dialog = d.(core.DialogCmp)
 98
 99		return a, tea.Batch(cmds...)
100
101	// Status
102	case util.InfoMsg:
103		a.status, cmd = a.status.Update(msg)
104		return a, cmd
105	case pubsub.Event[logging.LogMessage]:
106		if msg.Payload.Persist {
107			switch msg.Payload.Level {
108			case "error":
109				a.status, cmd = a.status.Update(util.InfoMsg{
110					Type: util.InfoTypeError,
111					Msg:  msg.Payload.Message,
112					TTL:  msg.Payload.PersistTime,
113				})
114			case "info":
115				a.status, cmd = a.status.Update(util.InfoMsg{
116					Type: util.InfoTypeInfo,
117					Msg:  msg.Payload.Message,
118					TTL:  msg.Payload.PersistTime,
119				})
120			case "warn":
121				a.status, cmd = a.status.Update(util.InfoMsg{
122					Type: util.InfoTypeWarn,
123					Msg:  msg.Payload.Message,
124					TTL:  msg.Payload.PersistTime,
125				})
126
127			default:
128				a.status, cmd = a.status.Update(util.InfoMsg{
129					Type: util.InfoTypeInfo,
130					Msg:  msg.Payload.Message,
131					TTL:  msg.Payload.PersistTime,
132				})
133			}
134			cmds = append(cmds, cmd)
135		}
136	case util.ClearStatusMsg:
137		a.status, _ = a.status.Update(msg)
138
139	// Permission
140	case pubsub.Event[permission.PermissionRequest]:
141		return a, dialog.NewPermissionDialogCmd(msg.Payload)
142	case dialog.PermissionResponseMsg:
143		switch msg.Action {
144		case dialog.PermissionAllow:
145			a.app.Permissions.Grant(msg.Permission)
146		case dialog.PermissionAllowForSession:
147			a.app.Permissions.GrantPersistant(msg.Permission)
148		case dialog.PermissionDeny:
149			a.app.Permissions.Deny(msg.Permission)
150		}
151
152	// Dialog
153	case core.DialogMsg:
154		d, cmd := a.dialog.Update(msg)
155		a.dialog = d.(core.DialogCmp)
156		a.dialogVisible = true
157		return a, cmd
158	case core.DialogCloseMsg:
159		d, cmd := a.dialog.Update(msg)
160		a.dialog = d.(core.DialogCmp)
161		a.dialogVisible = false
162		return a, cmd
163
164	// Editor
165	case vimtea.EditorModeMsg:
166		a.editorMode = msg.Mode
167
168	case page.PageChangeMsg:
169		return a, a.moveToPage(msg.ID)
170	case tea.KeyMsg:
171		if a.editorMode == vimtea.ModeNormal {
172			switch {
173			case key.Matches(msg, keys.Quit):
174				return a, dialog.NewQuitDialogCmd()
175			case key.Matches(msg, keys.Back):
176				if a.previousPage != "" {
177					return a, a.moveToPage(a.previousPage)
178				}
179			case key.Matches(msg, keys.Return):
180				if a.showHelp {
181					a.ToggleHelp()
182					return a, nil
183				}
184			case key.Matches(msg, replKeyMap):
185				if a.currentPage == page.ReplPage {
186					sessions, err := a.app.Sessions.List()
187					if err != nil {
188						return a, util.CmdHandler(util.ReportError(err))
189					}
190					lastSession := sessions[0]
191					if lastSession.MessageCount == 0 {
192						return a, util.CmdHandler(repl.SelectedSessionMsg{SessionID: lastSession.ID})
193					}
194					s, err := a.app.Sessions.Create("New Session")
195					if err != nil {
196						return a, util.CmdHandler(util.ReportError(err))
197					}
198					return a, util.CmdHandler(repl.SelectedSessionMsg{SessionID: s.ID})
199				}
200			case key.Matches(msg, keys.Logs):
201				return a, a.moveToPage(page.LogsPage)
202			case key.Matches(msg, keys.Help):
203				a.ToggleHelp()
204				return a, nil
205			}
206		}
207	}
208
209	if a.dialogVisible {
210		d, cmd := a.dialog.Update(msg)
211		a.dialog = d.(core.DialogCmp)
212		cmds = append(cmds, cmd)
213		return a, tea.Batch(cmds...)
214	}
215	a.pages[a.currentPage], cmd = a.pages[a.currentPage].Update(msg)
216	cmds = append(cmds, cmd)
217	return a, tea.Batch(cmds...)
218}
219
220func (a *appModel) ToggleHelp() {
221	if a.showHelp {
222		a.showHelp = false
223		a.height += a.help.Height()
224	} else {
225		a.showHelp = true
226		a.height -= a.help.Height()
227	}
228
229	if sizable, ok := a.pages[a.currentPage].(layout.Sizeable); ok {
230		sizable.SetSize(a.width, a.height)
231	}
232}
233
234func (a *appModel) moveToPage(pageID page.PageID) tea.Cmd {
235	var cmd tea.Cmd
236	if _, ok := a.loadedPages[pageID]; !ok {
237		cmd = a.pages[pageID].Init()
238		a.loadedPages[pageID] = true
239	}
240	a.previousPage = a.currentPage
241	a.currentPage = pageID
242	if sizable, ok := a.pages[a.currentPage].(layout.Sizeable); ok {
243		sizable.SetSize(a.width, a.height)
244	}
245
246	return cmd
247}
248
249func (a appModel) View() string {
250	components := []string{
251		a.pages[a.currentPage].View(),
252	}
253
254	if a.showHelp {
255		bindings := layout.KeyMapToSlice(keys)
256		if p, ok := a.pages[a.currentPage].(layout.Bindings); ok {
257			bindings = append(bindings, p.BindingKeys()...)
258		}
259		if a.dialogVisible {
260			bindings = append(bindings, a.dialog.BindingKeys()...)
261		}
262		if a.currentPage == page.ReplPage {
263			bindings = append(bindings, replKeyMap)
264		}
265		a.help.SetBindings(bindings)
266		components = append(components, a.help.View())
267	}
268
269	components = append(components, a.status.View())
270
271	appView := lipgloss.JoinVertical(lipgloss.Top, components...)
272
273	if a.dialogVisible {
274		overlay := a.dialog.View()
275		row := lipgloss.Height(appView) / 2
276		row -= lipgloss.Height(overlay) / 2
277		col := lipgloss.Width(appView) / 2
278		col -= lipgloss.Width(overlay) / 2
279		appView = layout.PlaceOverlay(
280			col,
281			row,
282			overlay,
283			appView,
284			true,
285		)
286	}
287	return appView
288}
289
290func New(app *app.App) tea.Model {
291	// homedir, _ := os.UserHomeDir()
292	// configPath := filepath.Join(homedir, ".termai.yaml")
293	//
294	startPage := page.ReplPage
295	// if _, err := os.Stat(configPath); os.IsNotExist(err) {
296	// 	startPage = page.InitPage
297	// }
298
299	return &appModel{
300		currentPage: startPage,
301		loadedPages: make(map[page.PageID]bool),
302		status:      core.NewStatusCmp(),
303		help:        core.NewHelpCmp(),
304		dialog:      core.NewDialogCmp(),
305		app:         app,
306		pages: map[page.PageID]tea.Model{
307			page.LogsPage: page.NewLogsPage(),
308			page.InitPage: page.NewInitPage(),
309			page.ReplPage: page.NewReplPage(app),
310		},
311	}
312}