package grpcserver

import (
	"testing"

	pb "git.wntrmute.dev/mc/mcr/gen/mcr/v1"
)

func TestListAuditEventsEmpty(t *testing.T) {
	deps := adminDeps(t)
	cc := startTestServer(t, deps)
	client := pb.NewAuditServiceClient(cc)

	resp, err := client.ListAuditEvents(adminCtx(), &pb.ListAuditEventsRequest{})
	if err != nil {
		t.Fatalf("ListAuditEvents: %v", err)
	}
	if len(resp.GetEvents()) != 0 {
		t.Fatalf("expected 0 events, got %d", len(resp.Events))
	}
}

func TestListAuditEventsWithData(t *testing.T) {
	deps := adminDeps(t)

	// Write some audit events directly.
	err := deps.DB.WriteAuditEvent("test_event", "actor-1", "repo/test", "", "1.2.3.4", map[string]string{"key": "value"})
	if err != nil {
		t.Fatalf("WriteAuditEvent: %v", err)
	}
	err = deps.DB.WriteAuditEvent("other_event", "actor-2", "", "", "5.6.7.8", nil)
	if err != nil {
		t.Fatalf("WriteAuditEvent: %v", err)
	}

	cc := startTestServer(t, deps)
	client := pb.NewAuditServiceClient(cc)

	// List all events.
	resp, err := client.ListAuditEvents(adminCtx(), &pb.ListAuditEventsRequest{})
	if err != nil {
		t.Fatalf("ListAuditEvents: %v", err)
	}
	if len(resp.GetEvents()) != 2 {
		t.Fatalf("expected 2 events, got %d", len(resp.Events))
	}

	// Filter by event type.
	resp, err = client.ListAuditEvents(adminCtx(), &pb.ListAuditEventsRequest{
		EventType: "test_event",
	})
	if err != nil {
		t.Fatalf("ListAuditEvents with filter: %v", err)
	}
	if len(resp.GetEvents()) != 1 {
		t.Fatalf("expected 1 event, got %d", len(resp.Events))
	}
	if resp.Events[0].EventType != "test_event" {
		t.Fatalf("event_type: got %q, want %q", resp.Events[0].EventType, "test_event")
	}
	if resp.Events[0].ActorId != "actor-1" {
		t.Fatalf("actor_id: got %q, want %q", resp.Events[0].ActorId, "actor-1")
	}
	if resp.Events[0].Details["key"] != "value" {
		t.Fatalf("details: got %v, want key=value", resp.Events[0].Details)
	}
}

func TestListAuditEventsPagination(t *testing.T) {
	deps := adminDeps(t)

	// Write 5 events.
	for i := range 5 {
		err := deps.DB.WriteAuditEvent("event", "actor", "", "", "", map[string]string{
			"index": string(rune('0' + i)),
		})
		if err != nil {
			t.Fatalf("WriteAuditEvent %d: %v", i, err)
		}
	}

	cc := startTestServer(t, deps)
	client := pb.NewAuditServiceClient(cc)

	// Get first 2 events.
	resp, err := client.ListAuditEvents(adminCtx(), &pb.ListAuditEventsRequest{
		Pagination: &pb.PaginationRequest{Limit: 2},
	})
	if err != nil {
		t.Fatalf("ListAuditEvents: %v", err)
	}
	if len(resp.GetEvents()) != 2 {
		t.Fatalf("expected 2 events, got %d", len(resp.Events))
	}
}