qdrant-edge 0.7.0

use std::path::PathBuf;

use crate::common::bitvec::BitSlice;
use crate::common::types::PointOffsetType;
use crate::common::universal_io::MmapFile;

use super::point_mappings_ref::PointMappingsRefEnum;
use super::trait_def::{IdTracker, IdTrackerRead};
use crate::segment::common::Flusher;
use crate::segment::common::operation_error::OperationResult;
use crate::segment::id_tracker::immutable_id_tracker::ImmutableIdTracker;
use crate::segment::id_tracker::in_memory_id_tracker::InMemoryIdTracker;
use crate::segment::id_tracker::mutable_id_tracker::MutableIdTracker;
use crate::segment::types::{PointIdType, SeqNumberType};

#[derive(Debug)]
#[allow(clippy::large_enum_variant)]
pub enum IdTrackerEnum {
    MutableIdTracker(MutableIdTracker),
    ImmutableIdTracker(ImmutableIdTracker<MmapFile>),
    InMemoryIdTracker(InMemoryIdTracker),
}

impl IdTrackerRead for IdTrackerEnum {
    fn internal_version(&self, internal_id: PointOffsetType) -> Option<SeqNumberType> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.internal_version(internal_id),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => {
                id_tracker.internal_version(internal_id)
            }
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => {
                id_tracker.internal_version(internal_id)
            }
        }
    }

    fn internal_id(&self, external_id: PointIdType) -> Option<PointOffsetType> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.internal_id(external_id),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.internal_id(external_id),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.internal_id(external_id),
        }
    }

    fn external_id(&self, internal_id: PointOffsetType) -> Option<PointIdType> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.external_id(internal_id),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.external_id(internal_id),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.external_id(internal_id),
        }
    }

    fn point_mappings(&self) -> PointMappingsRefEnum<'_> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.point_mappings(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.point_mappings(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.point_mappings(),
        }
    }

    fn total_point_count(&self) -> usize {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.total_point_count(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.total_point_count(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.total_point_count(),
        }
    }

    fn deleted_point_count(&self) -> usize {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.deleted_point_count(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.deleted_point_count(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.deleted_point_count(),
        }
    }

    fn deleted_point_bitslice(&self) -> &BitSlice {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.deleted_point_bitslice(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.deleted_point_bitslice(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.deleted_point_bitslice(),
        }
    }

    fn is_deleted_point(&self, internal_id: PointOffsetType) -> bool {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.is_deleted_point(internal_id),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => {
                id_tracker.is_deleted_point(internal_id)
            }
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => {
                id_tracker.is_deleted_point(internal_id)
            }
        }
    }

    fn name(&self) -> &'static str {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.name(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.name(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.name(),
        }
    }

    fn iter_internal_versions(
        &self,
    ) -> Box<dyn Iterator<Item = (PointOffsetType, SeqNumberType)> + '_> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.iter_internal_versions(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.iter_internal_versions(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.iter_internal_versions(),
        }
    }

    fn deferred_internal_id(&self) -> Option<PointOffsetType> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.deferred_internal_id(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.deferred_internal_id(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.deferred_internal_id(),
        }
    }

    fn deferred_deleted_count(&self) -> usize {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.deferred_deleted_count(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.deferred_deleted_count(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.deferred_deleted_count(),
        }
    }
}

impl IdTracker for IdTrackerEnum {
    fn set_internal_version(
        &mut self,
        internal_id: PointOffsetType,
        version: SeqNumberType,
    ) -> OperationResult<()> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => {
                id_tracker.set_internal_version(internal_id, version)
            }
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => {
                id_tracker.set_internal_version(internal_id, version)
            }
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => {
                id_tracker.set_internal_version(internal_id, version)
            }
        }
    }

    fn set_link(
        &mut self,
        external_id: PointIdType,
        internal_id: PointOffsetType,
    ) -> OperationResult<()> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => {
                id_tracker.set_link(external_id, internal_id)
            }
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => {
                id_tracker.set_link(external_id, internal_id)
            }
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => {
                id_tracker.set_link(external_id, internal_id)
            }
        }
    }

    fn drop(&mut self, external_id: PointIdType) -> OperationResult<()> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.drop(external_id),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.drop(external_id),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.drop(external_id),
        }
    }

    fn drop_internal(&mut self, internal_id: PointOffsetType) -> OperationResult<()> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.drop_internal(internal_id),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.drop_internal(internal_id),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.drop_internal(internal_id),
        }
    }

    fn mapping_flusher(&self) -> Flusher {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.mapping_flusher(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.mapping_flusher(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.mapping_flusher(),
        }
    }

    fn versions_flusher(&self) -> Flusher {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.versions_flusher(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.versions_flusher(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.versions_flusher(),
        }
    }

    fn fix_inconsistencies(&mut self) -> OperationResult<Vec<PointOffsetType>> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.fix_inconsistencies(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.fix_inconsistencies(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.fix_inconsistencies(),
        }
    }

    fn files(&self) -> Vec<PathBuf> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.files(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.files(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.files(),
        }
    }

    fn immutable_files(&self) -> Vec<PathBuf> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.immutable_files(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.immutable_files(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.immutable_files(),
        }
    }

    fn clear_cache(&self) -> OperationResult<()> {
        match self {
            IdTrackerEnum::MutableIdTracker(id_tracker) => id_tracker.clear_cache(),
            IdTrackerEnum::ImmutableIdTracker(id_tracker) => id_tracker.clear_cache(),
            IdTrackerEnum::InMemoryIdTracker(id_tracker) => id_tracker.clear_cache(),
        }
    }
}