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