package providermemory

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

func TestHTTPClientUpsertAndDelete(t *testing.T) {
	requests := 0
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		requests++
		if r.Header.Get("Authorization") != "Bearer test-key" || r.Header.Get("Idempotency-Key") == "" {
			t.Fatalf("missing provider authentication or idempotency header")
		}
		switch {
		case r.Method == http.MethodPost && r.URL.Path == "/v1/memories:upsert":
			w.Header().Set("Content-Type", "application/json")
			_, _ = w.Write([]byte(`{"provider_ref":"provider-memory-1"}`))
		case r.Method == http.MethodDelete && r.URL.Path == "/v1/memories/provider-memory-1":
			w.WriteHeader(http.StatusNoContent)
		default:
			http.NotFound(w, r)
		}
	}))
	defer server.Close()
	client, err := NewHTTPClient(server.URL, "test-key", time.Second)
	if err != nil {
		t.Fatal(err)
	}
	providerRef, err := client.Upsert(context.Background(), Memory{TenantID: "tenant", HouseholdID: "household", SubjectID: "subject", MemoryID: "memory", MemoryVersion: "version", VersionNo: 1, Content: "content", ContentDigest: "digest", IdempotencyKey: "upsert-1"})
	if err != nil || providerRef != "provider-memory-1" {
		t.Fatalf("providerRef=%q err=%v", providerRef, err)
	}
	if err := client.Delete(context.Background(), providerRef, "delete-1"); err != nil {
		t.Fatal(err)
	}
	if requests != 2 {
		t.Fatalf("requests=%d", requests)
	}
}

func TestHTTPClientTreatsMissingDeleteAsSuccess(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) { http.NotFound(w, nil) }))
	defer server.Close()
	client, err := NewHTTPClient(server.URL, "test-key", time.Second)
	if err != nil {
		t.Fatal(err)
	}
	if err := client.Delete(context.Background(), "missing", "delete-missing"); err != nil {
		t.Fatal(err)
	}
}