1package anthropic
 2
 3import (
 4	"cmp"
 5	"errors"
 6	"net/http"
 7	"strings"
 8
 9	"charm.land/fantasy"
10	"github.com/charmbracelet/anthropic-sdk-go"
11)
12
13func toProviderErr(err error) error {
14	var apiErr *anthropic.Error
15	if errors.As(err, &apiErr) {
16		return &fantasy.ProviderError{
17			Title:           cmp.Or(fantasy.ErrorTitleForStatusCode(apiErr.StatusCode), "provider request failed"),
18			Message:         apiErr.Error(),
19			Cause:           apiErr,
20			URL:             apiErr.Request.URL.String(),
21			StatusCode:      apiErr.StatusCode,
22			RequestBody:     apiErr.DumpRequest(true),
23			ResponseHeaders: toHeaderMap(apiErr.Response.Header),
24			ResponseBody:    apiErr.DumpResponse(true),
25		}
26	}
27	return err
28}
29
30func toHeaderMap(in http.Header) (out map[string]string) {
31	out = make(map[string]string, len(in))
32	for k, v := range in {
33		if l := len(v); l > 0 {
34			out[k] = v[l-1]
35			in[strings.ToLower(k)] = v
36		}
37	}
38	return out
39}