package piagent

import (
	"encoding/json"
	"strings"
)

func trimErrorBody(body []byte) string {
	value := strings.TrimSpace(string(body))
	if value == "" {
		return "empty error body"
	}
	if len(value) > 1200 {
		return value[:1200]
	}
	return value
}

func decodeChatContent(raw json.RawMessage) string {
	var text string
	if err := json.Unmarshal(raw, &text); err == nil {
		return text
	}

	var parts []struct {
		Type string `json:"type"`
		Text string `json:"text"`
	}
	if err := json.Unmarshal(raw, &parts); err == nil {
		var builder strings.Builder
		for _, part := range parts {
			if strings.TrimSpace(part.Text) == "" {
				continue
			}
			if builder.Len() > 0 {
				builder.WriteString("\n")
			}
			builder.WriteString(part.Text)
		}
		return builder.String()
	}
	return string(raw)
}