"""Tests for message API routes."""

from datetime import datetime, timezone


class TestListMessages:
    """Tests for GET /messages endpoint."""

    def test_list_messages_empty(self, client_no_auth):
        """Test listing messages when database is empty."""
        response = client_no_auth.get("/api/v1/messages")
        assert response.status_code == 200
        data = response.json()
        assert data["items"] == []
        assert data["total"] == 0

    def test_list_messages_with_data(self, client_no_auth, sample_message):
        """Test listing messages with data in database."""
        response = client_no_auth.get("/api/v1/messages")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1
        assert data["total"] == 1
        assert data["items"][0]["text"] == sample_message.text
        assert data["items"][0]["message_type"] == sample_message.message_type

    def test_list_messages_filter_by_type(self, client_no_auth, sample_message):
        """Test filtering messages by type."""
        response = client_no_auth.get("/api/v1/messages?message_type=direct")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1

        response = client_no_auth.get("/api/v1/messages?message_type=channel")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 0

    def test_list_messages_pagination(self, client_no_auth):
        """Test message list pagination parameters."""
        response = client_no_auth.get("/api/v1/messages?limit=25&offset=10")
        assert response.status_code == 200
        data = response.json()
        assert data["limit"] == 25
        assert data["offset"] == 10


class TestGetMessage:
    """Tests for GET /messages/{id} endpoint."""

    def test_get_message_success(self, client_no_auth, sample_message):
        """Test getting a specific message."""
        response = client_no_auth.get(f"/api/v1/messages/{sample_message.id}")
        assert response.status_code == 200
        data = response.json()
        assert data["text"] == sample_message.text

    def test_get_message_not_found(self, client_no_auth):
        """Test getting a non-existent message."""
        response = client_no_auth.get("/api/v1/messages/nonexistent-id")
        assert response.status_code == 404


class TestListMessagesFilters:
    """Tests for message list query filters."""

    def test_filter_by_pubkey_prefix(self, client_no_auth, sample_message):
        """Test filtering messages by pubkey_prefix."""
        # Match
        response = client_no_auth.get("/api/v1/messages?pubkey_prefix=abc123")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1

        # No match
        response = client_no_auth.get("/api/v1/messages?pubkey_prefix=xyz999")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 0

    def test_filter_by_channel_idx(
        self, client_no_auth, sample_message, sample_message_with_receiver
    ):
        """Test filtering messages by channel_idx."""
        # Channel 1 should match sample_message_with_receiver
        response = client_no_auth.get("/api/v1/messages?channel_idx=1")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1
        assert data["items"][0]["channel_idx"] == 1

        # Channel 0 should return no results
        response = client_no_auth.get("/api/v1/messages?channel_idx=0")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 0

    def test_filter_by_received_by(
        self,
        client_no_auth,
        sample_message,
        sample_message_with_receiver,
        receiver_node,
    ):
        """Test filtering messages by receiver node."""
        response = client_no_auth.get(
            f"/api/v1/messages?received_by={receiver_node.public_key}"
        )
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1
        assert data["items"][0]["text"] == sample_message_with_receiver.text

    def test_filter_by_since(self, client_no_auth, api_db_session):
        """Test filtering messages by since timestamp."""
        from datetime import timedelta

        from meshcore_hub.common.models import Message

        now = datetime.now(timezone.utc)
        old_time = now - timedelta(days=7)

        # Create an old message
        old_msg = Message(
            message_type="direct",
            pubkey_prefix="old123",
            text="Old message",
            received_at=old_time,
        )
        api_db_session.add(old_msg)
        api_db_session.commit()

        # Filter since yesterday - should not include old message
        since = (now - timedelta(days=1)).strftime("%Y-%m-%dT%H:%M:%S")
        response = client_no_auth.get(f"/api/v1/messages?since={since}")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 0

    def test_filter_by_until(self, client_no_auth, api_db_session):
        """Test filtering messages by until timestamp."""
        from datetime import timedelta

        from meshcore_hub.common.models import Message

        now = datetime.now(timezone.utc)
        old_time = now - timedelta(days=7)

        # Create an old message
        old_msg = Message(
            message_type="direct",
            pubkey_prefix="old456",
            text="Old message for until",
            received_at=old_time,
        )
        api_db_session.add(old_msg)
        api_db_session.commit()

        # Filter until 5 days ago - should include old message
        until = (now - timedelta(days=5)).strftime("%Y-%m-%dT%H:%M:%S")
        response = client_no_auth.get(f"/api/v1/messages?until={until}")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1
        assert data["items"][0]["text"] == "Old message for until"

    def test_filter_by_search(self, client_no_auth, sample_message):
        """Test filtering messages by text search."""
        # Match
        response = client_no_auth.get("/api/v1/messages?search=Hello")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1

        # Case insensitive match
        response = client_no_auth.get("/api/v1/messages?search=hello")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 1

        # No match
        response = client_no_auth.get("/api/v1/messages?search=nonexistent")
        assert response.status_code == 200
        data = response.json()
        assert len(data["items"]) == 0