1package page
2
3import (
4 "context"
5
6 "github.com/charmbracelet/bubbles/key"
7 tea "github.com/charmbracelet/bubbletea"
8 "github.com/kujtimiihoxha/termai/internal/app"
9 "github.com/kujtimiihoxha/termai/internal/session"
10 "github.com/kujtimiihoxha/termai/internal/tui/components/chat"
11 "github.com/kujtimiihoxha/termai/internal/tui/layout"
12 "github.com/kujtimiihoxha/termai/internal/tui/util"
13)
14
15var ChatPage PageID = "chat"
16
17type chatPage struct {
18 app *app.App
19 layout layout.SplitPaneLayout
20 session session.Session
21}
22
23type ChatKeyMap struct {
24 NewSession key.Binding
25 Cancel key.Binding
26}
27
28var keyMap = ChatKeyMap{
29 NewSession: key.NewBinding(
30 key.WithKeys("ctrl+n"),
31 key.WithHelp("ctrl+n", "new session"),
32 ),
33 Cancel: key.NewBinding(
34 key.WithKeys("ctrl+x"),
35 key.WithHelp("ctrl+x", "cancel"),
36 ),
37}
38
39func (p *chatPage) Init() tea.Cmd {
40 cmds := []tea.Cmd{
41 p.layout.Init(),
42 }
43
44 sessions, _ := p.app.Sessions.List(context.Background())
45 if len(sessions) > 0 {
46 p.session = sessions[0]
47 cmd := p.setSidebar()
48 cmds = append(cmds, util.CmdHandler(chat.SessionSelectedMsg(p.session)), cmd)
49 }
50 return tea.Batch(cmds...)
51}
52
53func (p *chatPage) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
54 switch msg := msg.(type) {
55 case tea.WindowSizeMsg:
56 p.layout.SetSize(msg.Width, msg.Height)
57 case chat.SendMsg:
58 cmd := p.sendMessage(msg.Text)
59 if cmd != nil {
60 return p, cmd
61 }
62 case tea.KeyMsg:
63 switch {
64 case key.Matches(msg, keyMap.NewSession):
65 p.session = session.Session{}
66 p.clearSidebar()
67 return p, util.CmdHandler(chat.SessionClearedMsg{})
68 case key.Matches(msg, keyMap.Cancel):
69 if p.session.ID != "" {
70 // Cancel the current session's generation process
71 // This allows users to interrupt long-running operations
72 p.app.CoderAgent.Cancel(p.session.ID)
73 return p, nil
74 }
75 }
76 }
77 u, cmd := p.layout.Update(msg)
78 p.layout = u.(layout.SplitPaneLayout)
79 if cmd != nil {
80 return p, cmd
81 }
82 return p, nil
83}
84
85func (p *chatPage) setSidebar() tea.Cmd {
86 sidebarContainer := layout.NewContainer(
87 chat.NewSidebarCmp(p.session, p.app.History),
88 layout.WithPadding(1, 1, 1, 1),
89 )
90 p.layout.SetRightPanel(sidebarContainer)
91 width, height := p.layout.GetSize()
92 p.layout.SetSize(width, height)
93 return sidebarContainer.Init()
94}
95
96func (p *chatPage) clearSidebar() {
97 p.layout.SetRightPanel(nil)
98 width, height := p.layout.GetSize()
99 p.layout.SetSize(width, height)
100}
101
102func (p *chatPage) sendMessage(text string) tea.Cmd {
103 var cmds []tea.Cmd
104 if p.session.ID == "" {
105 session, err := p.app.Sessions.Create(context.Background(), "New Session")
106 if err != nil {
107 return util.ReportError(err)
108 }
109
110 p.session = session
111 cmd := p.setSidebar()
112 if cmd != nil {
113 cmds = append(cmds, cmd)
114 }
115 cmds = append(cmds, util.CmdHandler(chat.SessionSelectedMsg(session)))
116 }
117
118 p.app.CoderAgent.Run(context.Background(), p.session.ID, text)
119 return tea.Batch(cmds...)
120}
121
122func (p *chatPage) SetSize(width, height int) {
123 p.layout.SetSize(width, height)
124}
125
126func (p *chatPage) GetSize() (int, int) {
127 return p.layout.GetSize()
128}
129
130func (p *chatPage) View() string {
131 return p.layout.View()
132}
133
134func (p *chatPage) BindingKeys() []key.Binding {
135 bindings := layout.KeyMapToSlice(keyMap)
136 bindings = append(bindings, p.layout.BindingKeys()...)
137 return bindings
138}
139
140func NewChatPage(app *app.App) tea.Model {
141 messagesContainer := layout.NewContainer(
142 chat.NewMessagesCmp(app),
143 layout.WithPadding(1, 1, 0, 1),
144 )
145
146 editorContainer := layout.NewContainer(
147 chat.NewEditorCmp(app),
148 layout.WithBorder(true, false, false, false),
149 )
150 return &chatPage{
151 app: app,
152 layout: layout.NewSplitPane(
153 layout.WithLeftPanel(messagesContainer),
154 layout.WithBottomPanel(editorContainer),
155 ),
156 }
157}