File size: 3,784 Bytes
6a7089a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | package apiclient
import (
"fmt"
"io"
"net/http"
"os"
"strings"
)
// CheckServerAndGuide checks if pinchtab server is running and provides guidance
func CheckServerAndGuide(client *http.Client, base, token string) bool {
req, _ := http.NewRequest("GET", base+"/health", nil)
if token != "" {
req.Header.Set("Authorization", "Bearer "+token)
}
resp, err := client.Do(req)
if err != nil {
if strings.Contains(err.Error(), "connection refused") || strings.Contains(err.Error(), "dial tcp") {
fmt.Fprintf(os.Stderr, "Pinchtab server is not running on %s\n", base)
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "To start the server")
fmt.Fprintln(os.Stderr, " pinchtab # Run in foreground (recommended for beginners)")
fmt.Fprintln(os.Stderr, " pinchtab & # Run in background")
fmt.Fprintln(os.Stderr, " PINCHTAB_PORT=9868 pinchtab # Use different port")
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Then try your command again")
fmt.Fprintf(os.Stderr, " %s\n", strings.Join(os.Args, " "))
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Learn more: https://github.com/pinchtab/pinchtab#quick-start")
return false
}
// Other connection errors
fmt.Fprintf(os.Stderr, "Cannot connect to Pinchtab server: %v\n", err)
return false
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode == 401 {
fmt.Fprintln(os.Stderr, "Authentication required. Set PINCHTAB_TOKEN.")
return false
}
if resp.StatusCode >= 400 {
body, _ := io.ReadAll(resp.Body)
fmt.Fprintf(os.Stderr, "Server error %d: %s\n", resp.StatusCode, string(body))
return false
}
return true
}
// SuggestNextAction provides helpful suggestions based on the current command and state
func SuggestNextAction(cmd string, result map[string]any) {
switch cmd {
case "nav", "navigate":
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Next steps")
fmt.Fprintln(os.Stderr, " pinchtab snap # See page structure")
fmt.Fprintln(os.Stderr, " pinchtab screenshot # Capture visual")
fmt.Fprintln(os.Stderr, " pinchtab click <ref> # Click an element")
fmt.Fprintln(os.Stderr, " pinchtab pdf --tab <id> -o output.pdf # Save tab as PDF")
case "snap", "snapshot":
refs := extractRefs(result)
if len(refs) > 0 {
fmt.Fprintln(os.Stderr)
fmt.Fprintf(os.Stderr, "Found %d interactive elements\n", len(refs))
for i, ref := range refs[:min(3, len(refs))] {
fmt.Fprintf(os.Stderr, " pinchtab click %s # %s\n", ref.id, ref.desc)
if i >= 2 {
break
}
}
if len(refs) > 3 {
fmt.Fprintf(os.Stderr, " ... and %d more\n", len(refs)-3)
}
}
case "click", "type", "fill":
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Action completed")
fmt.Fprintln(os.Stderr, " pinchtab snap # See updated page")
fmt.Fprintln(os.Stderr, " pinchtab screenshot # Visual confirmation")
}
}
type refInfo struct {
id string
desc string
}
func extractRefs(data map[string]any) []refInfo {
var refs []refInfo
// Handle different snapshot formats
if elements, ok := data["elements"].([]any); ok {
for _, elem := range elements {
if m, ok := elem.(map[string]any); ok {
if ref, ok := m["ref"].(string); ok && ref != "" {
desc := ""
if role, ok := m["role"].(string); ok {
desc = role
}
if name, ok := m["name"].(string); ok && name != "" {
desc += ": " + name
}
// Only include interactive elements
if role, ok := m["role"].(string); ok {
if role == "button" || role == "link" || role == "textbox" ||
role == "checkbox" || role == "radio" || role == "combobox" {
refs = append(refs, refInfo{id: ref, desc: desc})
}
}
}
}
}
}
return refs
}
func min(a, b int) int {
if a < b {
return a
}
return b
}
|