package notify

import (
	"errors"
	"testing"
	"time"
)

func TestGetClientFileTransferSummariesRejectNil(t *testing.T) {
	if _, err := GetClientFileTransferActiveSummaries(nil); !errors.Is(err, errClientFileTransferSummaryNil) {
		t.Fatalf("GetClientFileTransferActiveSummaries nil error = %v, want %v", err, errClientFileTransferSummaryNil)
	}
	if _, err := GetClientFileTransferCompletedSummaries(nil); !errors.Is(err, errClientFileTransferSummaryNil) {
		t.Fatalf("GetClientFileTransferCompletedSummaries nil error = %v, want %v", err, errClientFileTransferSummaryNil)
	}
	if _, err := GetClientFileTransferFailedSummaries(nil); !errors.Is(err, errClientFileTransferSummaryNil) {
		t.Fatalf("GetClientFileTransferFailedSummaries nil error = %v, want %v", err, errClientFileTransferSummaryNil)
	}
	if _, err := GetClientFileTransferLatestByFileID(nil, "x"); !errors.Is(err, errClientFileTransferSummaryNil) {
		t.Fatalf("GetClientFileTransferLatestByFileID nil error = %v, want %v", err, errClientFileTransferSummaryNil)
	}
	if _, err := GetClientFileTransferLatestByFileIDQuery(nil, "x", FileTransferSummaryQuery{}); !errors.Is(err, errClientFileTransferSummaryNil) {
		t.Fatalf("GetClientFileTransferLatestByFileIDQuery nil error = %v, want %v", err, errClientFileTransferSummaryNil)
	}
	if _, err := GetServerFileTransferActiveSummaries(nil); !errors.Is(err, errServerFileTransferSummaryNil) {
		t.Fatalf("GetServerFileTransferActiveSummaries nil error = %v, want %v", err, errServerFileTransferSummaryNil)
	}
	if _, err := GetServerFileTransferCompletedSummaries(nil); !errors.Is(err, errServerFileTransferSummaryNil) {
		t.Fatalf("GetServerFileTransferCompletedSummaries nil error = %v, want %v", err, errServerFileTransferSummaryNil)
	}
	if _, err := GetServerFileTransferFailedSummaries(nil); !errors.Is(err, errServerFileTransferSummaryNil) {
		t.Fatalf("GetServerFileTransferFailedSummaries nil error = %v, want %v", err, errServerFileTransferSummaryNil)
	}
	if _, err := GetServerFileTransferLatestByFileID(nil, "x"); !errors.Is(err, errServerFileTransferSummaryNil) {
		t.Fatalf("GetServerFileTransferLatestByFileID nil error = %v, want %v", err, errServerFileTransferSummaryNil)
	}
	if _, err := GetServerFileTransferLatestByFileIDQuery(nil, "x", FileTransferSummaryQuery{}); !errors.Is(err, errServerFileTransferSummaryNil) {
		t.Fatalf("GetServerFileTransferLatestByFileIDQuery nil error = %v, want %v", err, errServerFileTransferSummaryNil)
	}
}

func TestGetClientFileTransferSummariesPublicAPI(t *testing.T) {
	client := NewClient().(*ClientCommon)
	now := time.Unix(2000, 0)

	client.publishSendFileEvent(FileEvent{
		NetType:   NET_CLIENT,
		Kind:      EnvelopeFileChunk,
		Packet:    FilePacket{FileID: "client-public", Size: 16},
		Received:  6,
		Total:     16,
		Percent:   37.5,
		StartedAt: now,
		UpdatedAt: now.Add(time.Second),
		Duration:  time.Second,
		Time:      now.Add(time.Second),
	})

	active, err := GetClientFileTransferActiveSummaries(client)
	if err != nil {
		t.Fatalf("GetClientFileTransferActiveSummaries failed: %v", err)
	}
	if got, want := len(active.Send), 1; got != want {
		t.Fatalf("active send count mismatch: got %d want %d", got, want)
	}
	if got, want := active.Send[0].RuntimeScope, clientFileScope(); got != want {
		t.Fatalf("active runtime scope mismatch: got %q want %q", got, want)
	}
	if got := active.Send[0].TransportGeneration; got != 0 {
		t.Fatalf("active transport generation mismatch: got %d want 0", got)
	}

	latest, err := GetClientFileTransferLatestByFileID(client, "client-public")
	if err != nil {
		t.Fatalf("GetClientFileTransferLatestByFileID failed: %v", err)
	}
	if got, want := len(latest.Send), 1; got != want {
		t.Fatalf("latest send count mismatch: got %d want %d", got, want)
	}
	if got, want := latest.Send[0].Direction, TransferDirectionSend; got != want {
		t.Fatalf("latest direction mismatch: got %v want %v", got, want)
	}

	query, err := GetClientFileTransferLatestByFileIDQuery(client, "client-public", FileTransferSummaryQuery{
		RuntimeScope: clientFileScope(),
	})
	if err != nil {
		t.Fatalf("GetClientFileTransferLatestByFileIDQuery failed: %v", err)
	}
	if got, want := len(query.Send), 1; got != want {
		t.Fatalf("query send count mismatch: got %d want %d", got, want)
	}

	client.publishSendFileEvent(FileEvent{
		NetType:   NET_CLIENT,
		Kind:      EnvelopeFileEnd,
		Packet:    FilePacket{FileID: "client-public", Size: 16},
		Received:  16,
		Total:     16,
		Percent:   100,
		Done:      true,
		StartedAt: now,
		UpdatedAt: now.Add(2 * time.Second),
		Duration:  2 * time.Second,
		Time:      now.Add(2 * time.Second),
	})

	completed, err := GetClientFileTransferCompletedSummaries(client)
	if err != nil {
		t.Fatalf("GetClientFileTransferCompletedSummaries failed: %v", err)
	}
	if got, want := len(completed.Send), 1; got != want {
		t.Fatalf("completed send count mismatch: got %d want %d", got, want)
	}
	if got, want := completed.Send[0].Done, true; got != want {
		t.Fatalf("completed done mismatch: got %v want %v", got, want)
	}
}

func TestGetServerFileTransferLatestByFileIDQueryResolvesTransportGenerationPublicAPI(t *testing.T) {
	server := NewServer().(*ServerCommon)
	now := time.Unix(2100, 0)
	serverClient := &ClientConn{ClientID: "public-gen"}
	serverClient.markClientConnIdentityBound()
	serverClient.markClientConnStreamTransport()
	serverClient.markClientConnTransportAttached()

	server.getFileTransferState().observe(fileTransferDirectionReceive, FileEvent{
		ClientConn: serverClient,
		Kind:       EnvelopeFileChunk,
		Packet:     FilePacket{FileID: "shared-public", Size: 20},
		Received:   5,
		Total:      20,
		Time:       now,
	})
	firstRuntimeScope := serverTransportScope(serverClient)
	logicalScope := serverFileScope(serverClient)

	serverClient.markClientConnTransportDetached("read error", nil)
	serverClient.markClientConnTransportAttached()

	server.getFileTransferState().observe(fileTransferDirectionReceive, FileEvent{
		ClientConn: serverClient,
		Kind:       EnvelopeFileChunk,
		Packet:     FilePacket{FileID: "shared-public", Size: 20},
		Received:   9,
		Total:      20,
		Time:       now.Add(time.Second),
	})
	secondRuntimeScope := serverTransportScope(serverClient)

	legacy, err := GetServerFileTransferLatestByFileID(server, "shared-public")
	if err != nil {
		t.Fatalf("GetServerFileTransferLatestByFileID failed: %v", err)
	}
	if got, want := len(legacy.Receive), 1; got != want {
		t.Fatalf("legacy receive count mismatch: got %d want %d", got, want)
	}
	if got, want := legacy.Receive[0].TransportGeneration, uint64(2); got != want {
		t.Fatalf("legacy receive generation mismatch: got %d want %d", got, want)
	}

	allRuntime, err := GetServerFileTransferLatestByFileIDQuery(server, "shared-public", FileTransferSummaryQuery{
		Scope: logicalScope,
	})
	if err != nil {
		t.Fatalf("GetServerFileTransferLatestByFileIDQuery scope failed: %v", err)
	}
	if got, want := len(allRuntime.Receive), 2; got != want {
		t.Fatalf("runtime receive count mismatch: got %d want %d", got, want)
	}

	gen1, err := GetServerFileTransferLatestByFileIDQuery(server, "shared-public", FileTransferSummaryQuery{
		Scope:                    logicalScope,
		TransportGeneration:      1,
		MatchTransportGeneration: true,
	})
	if err != nil {
		t.Fatalf("GetServerFileTransferLatestByFileIDQuery generation-1 failed: %v", err)
	}
	if got, want := len(gen1.Receive), 1; got != want {
		t.Fatalf("generation-1 receive count mismatch: got %d want %d", got, want)
	}
	if got, want := gen1.Receive[0].RuntimeScope, firstRuntimeScope; got != want {
		t.Fatalf("generation-1 runtime scope mismatch: got %q want %q", got, want)
	}

	gen2, err := GetServerFileTransferLatestByFileIDQuery(server, "shared-public", FileTransferSummaryQuery{
		Scope:                    logicalScope,
		TransportGeneration:      2,
		MatchTransportGeneration: true,
	})
	if err != nil {
		t.Fatalf("GetServerFileTransferLatestByFileIDQuery generation-2 failed: %v", err)
	}
	if got, want := len(gen2.Receive), 1; got != want {
		t.Fatalf("generation-2 receive count mismatch: got %d want %d", got, want)
	}
	if got, want := gen2.Receive[0].RuntimeScope, secondRuntimeScope; got != want {
		t.Fatalf("generation-2 runtime scope mismatch: got %q want %q", got, want)
	}
}