package sync

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

func TestUpload(t *testing.T) {
	const wantKey = "secret"
	var gotBody []byte
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.Method != http.MethodPost {
			t.Errorf("method %s", r.Method)
		}
		if r.Header.Get("X-API-Key") != wantKey {
			t.Errorf("X-API-Key")
		}
		if ct := r.Header.Get("Content-Type"); ct != "application/json" {
			t.Errorf("Content-Type %q", ct)
		}
		var err error
		gotBody, err = io.ReadAll(r.Body)
		if err != nil {
			t.Fatal(err)
		}
		w.WriteHeader(http.StatusNoContent)
	}))
	defer srv.Close()

	client := srv.Client()
	body := []byte(`{"ok":true}`)
	if err := Upload(context.Background(), client, srv.URL, wantKey, body); err != nil {
		t.Fatal(err)
	}
	if string(gotBody) != string(body) {
		t.Fatalf("body %q", gotBody)
	}
}

func TestUploadNon2xx(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		http.Error(w, "nope", http.StatusTeapot)
	}))
	defer srv.Close()

	err := Upload(context.Background(), srv.Client(), srv.URL, "k", []byte("{}"))
	if err == nil {
		t.Fatal("expected error")
	}
}