package httpapi

import (
	"net/http/httptest"
	"testing"
	"time"

	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
)

func TestModelCooldownErrorPublicContract(t *testing.T) {
	recoveryAt := time.Now().UTC().Add(17 * time.Second).Truncate(time.Second)
	err := &store.ModelCandidateUnavailableError{
		Code:       "model_cooling_down",
		Message:    "请求的模型暂时不可用，请稍后重试",
		RetryAfter: 17 * time.Second,
		RecoveryAt: recoveryAt,
		Details: map[string]any{
			"retryAfterSeconds": 17,
			"recoveryAt":        recoveryAt.Format(time.RFC3339),
		},
	}
	recorder := httptest.NewRecorder()
	applyRunErrorHeaders(recorder, err)

	if got := statusFromRunError(err); got != 429 {
		t.Fatalf("status = %d, want 429", got)
	}
	if got := runErrorCode(err); got != "model_cooling_down" {
		t.Fatalf("code = %q, want model_cooling_down", got)
	}
	if got := recorder.Header().Get("Retry-After"); got != "17" {
		t.Fatalf("Retry-After = %q, want 17", got)
	}
	details := runErrorDetails(err)
	if len(details) != 2 || details["retryAfterSeconds"] != 17 || details["recoveryAt"] != recoveryAt.Format(time.RFC3339) {
		t.Fatalf("unexpected public details: %#v", details)
	}
}