package microsoft_todo
import (
"encoding/json"
"fmt"
"strings"
)
// =============================================================================
// Compact formatters per tool — pure transformation: (toolName, JSON) → string
// =============================================================================
func formatCompact(toolName, jsonStr string) string {
switch toolName {
case "list_lists":
return listsToCSV(jsonStr)
case "list_tasks":
return tasksToCSV(jsonStr)
case "create_list", "update_list":
return pickKeys(jsonStr, "id", "displayName")
case "create_task", "update_task", "complete_task":
return pickKeys(jsonStr, "id", "title", "status")
case "delete_list", "delete_task":
return pickKeys(jsonStr, "success", "message")
default:
return jsonStr
}
}
// pickKeys extracts only the specified keys from a JSON object.
func pickKeys(jsonStr string, keys ...string) string {
var data map[string]any
if err := json.Unmarshal([]byte(jsonStr), &data); err != nil {
return jsonStr
}
result := make(map[string]any, len(keys))
for _, k := range keys {
if v, ok := data[k]; ok && v != nil {
result[k] = v
}
}
out, err := json.Marshal(result)
if err != nil {
return jsonStr
}
return string(out)
}
// listsToCSV: id,displayName
func listsToCSV(jsonStr string) string {
var lists []map[string]any
if err := json.Unmarshal([]byte(jsonStr), &lists); err != nil {
return jsonStr
}
if len(lists) == 0 {
return "# 0 lists"
}
var sb strings.Builder
sb.WriteString("```csv\nid,displayName\n")
for _, l := range lists {
sb.WriteString(fmt.Sprintf("%s,%s\n",
csvEscape(str(l, "id")),
csvEscape(str(l, "displayName")),
))
}
sb.WriteString("```")
return sb.String()
}
// tasksToCSV: id,title,status,importance,dueDate
func tasksToCSV(jsonStr string) string {
var tasks []map[string]any
if err := json.Unmarshal([]byte(jsonStr), &tasks); err != nil {
return jsonStr
}
if len(tasks) == 0 {
return "# 0 tasks"
}
var sb strings.Builder
sb.WriteString("```csv\nid,title,status,importance,dueDate\n")
for _, t := range tasks {
sb.WriteString(fmt.Sprintf("%s,%s,%s,%s,%s\n",
csvEscape(str(t, "id")),
csvEscape(str(t, "title")),
str(t, "status"),
str(t, "importance"),
dateTimeField(t, "dueDateTime"),
))
}
sb.WriteString("```")
return sb.String()
}
// =============================================================================
// Helpers
// =============================================================================
func str(obj map[string]any, key string) string {
if v, ok := obj[key].(string); ok {
return v
}
return ""
}
// dateTimeField extracts the dateTime string from a nested DateTimeTimeZone object.
func dateTimeField(obj map[string]any, key string) string {
if dt, ok := obj[key].(map[string]any); ok {
return str(dt, "dateTime")
}
return ""
}
func csvEscape(s string) string {
if s == "" {
return ""
}
if strings.ContainsAny(s, ",\"\n\r") {
return "\"" + strings.ReplaceAll(s, "\"", "\"\"") + "\""
}
return s
}
