package isphere

import (
	"context"
	"testing"

	"isphere-ai-bridge/internal/msglib"
)

func TestMsgLibMessageSourceMapsListMessagesToReceiveMessages(t *testing.T) {
	fake := &fakeMsgLibMessageLister{
		result: msglib.ListMessagesResult{
			ReadOnly:                  true,
			MessageBodyValuesReturned: true,
			RawRowsReturned:           false,
			FilePathsReturned:         false,
			SourceTables:              []string{"tblMsgGroupPersonMsg"},
			Messages: []msglib.ListMessage{{
				MessageID:        "db-msg-1",
				ID:               "db-msg-1",
				ConversationID:   "group-redacted",
				ConversationType: "group",
				SenderID:         "sender-redacted",
				SenderName:       "Sender Redacted",
				ReceiverID:       "",
				Text:             "redacted body",
				ContentText:      "redacted body",
				ContentType:      "file",
				Timestamp:        "1783423807000",
				CreatedAt:        "2026-07-10T00:00:00Z",
				Subject:          "redacted subject",
				Read:             true,
				Source:           "local_readonly",
				RawRef:           "msglib:tblMsgGroupPersonMsg",
				Attachments: []msglib.ListMessageAttachment{{
					FileID:      "file-redacted-1",
					FileName:    "redacted.docx",
					SizeBytes:   1234,
					DownloadRef: "",
				}},
			}},
		},
	}
	source := MsgLibMessageSource{
		Lister:                    fake,
		IncludeBody:               true,
		IncludeAttachmentMetadata: true,
	}

	got, err := source.ReceiveMessages(context.Background(), ReceiveMessagesQuery{
		ConversationID: "group-redacted",
		Query:          "redacted",
		Since:          "2026-07-10T00:00:00Z",
		Limit:          5,
	})
	if err != nil {
		t.Fatalf("ReceiveMessages returned error: %v", err)
	}
	if len(fake.calls) != 1 {
		t.Fatalf("ListMessages calls = %d, want 1", len(fake.calls))
	}
	call := fake.calls[0]
	if call.ConversationID != "group-redacted" || call.Query != "redacted" || call.Since != "2026-07-10T00:00:00Z" || call.Limit != 5 {
		t.Fatalf("ListMessages options = %+v", call)
	}
	if !call.IncludeBody || !call.IncludeAttachmentMetadata {
		t.Fatalf("ListMessages include flags = body:%v attachments:%v", call.IncludeBody, call.IncludeAttachmentMetadata)
	}
	if len(got.Messages) != 1 {
		t.Fatalf("messages = %+v, want one", got.Messages)
	}
	msg := got.Messages[0]
	if msg.ID != "db-msg-1" || msg.ConversationID != "group-redacted" || msg.ConversationType != "group" {
		t.Fatalf("unexpected message identity: %+v", msg)
	}
	if msg.SenderID != "sender-redacted" || msg.ReceiverID != "" || msg.Text != "redacted body" || msg.Subject != "redacted subject" || !msg.Read {
		t.Fatalf("unexpected message fields: %+v", msg)
	}
	if msg.Source != "local_readonly" || msg.RawRef != "msglib:tblMsgGroupPersonMsg" {
		t.Fatalf("source refs = %q/%q", msg.Source, msg.RawRef)
	}
	if len(msg.Attachments) != 1 || msg.Attachments[0].FileName != "redacted.docx" || msg.Attachments[0].DownloadRef != "" {
		t.Fatalf("attachments = %+v", msg.Attachments)
	}
	if msg.Attachments[0].SizeBytes == nil || *msg.Attachments[0].SizeBytes != 1234 {
		t.Fatalf("attachment size = %+v", msg.Attachments[0].SizeBytes)
	}
}

type fakeMsgLibMessageLister struct {
	calls  []msglib.ListMessagesOptions
	result msglib.ListMessagesResult
}

func (f *fakeMsgLibMessageLister) ListMessages(_ context.Context, opts msglib.ListMessagesOptions) (msglib.ListMessagesResult, error) {
	f.calls = append(f.calls, opts)
	return f.result, nil
}