"""Query conditions and orders for image repository."""

from __future__ import annotations

import uuid
from collections.abc import Collection

import sqlalchemy as sa

from ai.backend.common.data.filter_specs import StringMatchSpec
from ai.backend.common.types import ImageID
from ai.backend.manager.data.image.types import ImageStatus
from ai.backend.manager.models.image import ImageAliasRow, ImageRow
from ai.backend.manager.repositories.base import QueryCondition, QueryOrder


class ImageConditions:
    """Query conditions for images."""

    @staticmethod
    def by_ids(image_ids: Collection[ImageID]) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageRow.id.in_(image_ids)

        return inner

    @staticmethod
    def by_canonicals(canonicals: Collection[str]) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageRow.name.in_(canonicals)

        return inner

    @staticmethod
    def by_statuses(statuses: Collection[ImageStatus]) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageRow.status.in_(statuses)

        return inner

    @staticmethod
    def by_architecture(architecture: str) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageRow.architecture == architecture

        return inner

    @staticmethod
    def by_registry_id(registry_id: uuid.UUID) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageRow.registry_id == registry_id

        return inner

    # String filter factories for name
    @staticmethod
    def by_name_contains(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageRow.name.ilike(f"%{spec.value}%")
            else:
                condition = ImageRow.name.like(f"%{spec.value}%")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_name_equals(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = sa.func.lower(ImageRow.name) == spec.value.lower()
            else:
                condition = ImageRow.name == spec.value
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_name_starts_with(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageRow.name.ilike(f"{spec.value}%")
            else:
                condition = ImageRow.name.like(f"{spec.value}%")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_name_ends_with(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageRow.name.ilike(f"%{spec.value}")
            else:
                condition = ImageRow.name.like(f"%{spec.value}")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    # String filter factories for architecture
    @staticmethod
    def by_architecture_contains(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageRow.architecture.ilike(f"%{spec.value}%")
            else:
                condition = ImageRow.architecture.like(f"%{spec.value}%")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_architecture_equals(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = sa.func.lower(ImageRow.architecture) == spec.value.lower()
            else:
                condition = ImageRow.architecture == spec.value
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_architecture_starts_with(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageRow.architecture.ilike(f"{spec.value}%")
            else:
                condition = ImageRow.architecture.like(f"{spec.value}%")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_architecture_ends_with(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageRow.architecture.ilike(f"%{spec.value}")
            else:
                condition = ImageRow.architecture.like(f"%{spec.value}")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner


class ImageOrders:
    """Query orders for images."""

    @staticmethod
    def name(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.name.asc()
        return ImageRow.name.desc()

    @staticmethod
    def created_at(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.created_at.asc()
        return ImageRow.created_at.desc()

    @staticmethod
    def architecture(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.architecture.asc()
        return ImageRow.architecture.desc()

    @staticmethod
    def size_bytes(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.size_bytes.asc()
        return ImageRow.size_bytes.desc()

    @staticmethod
    def registry(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.registry.asc()
        return ImageRow.registry.desc()

    @staticmethod
    def tag(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.tag.asc()
        return ImageRow.tag.desc()

    @staticmethod
    def status(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageRow.status.asc()
        return ImageRow.status.desc()


class ImageAliasConditions:
    """Query conditions for image aliases."""

    @staticmethod
    def by_ids(alias_ids: Collection[uuid.UUID]) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageAliasRow.id.in_(alias_ids)

        return inner

    @staticmethod
    def by_image_ids(image_ids: Collection[ImageID]) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            return ImageAliasRow.image_id.in_(image_ids)

        return inner

    # String filter factories for alias
    @staticmethod
    def by_alias_contains(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageAliasRow.alias.ilike(f"%{spec.value}%")
            else:
                condition = ImageAliasRow.alias.like(f"%{spec.value}%")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_alias_equals(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = sa.func.lower(ImageAliasRow.alias) == spec.value.lower()
            else:
                condition = ImageAliasRow.alias == spec.value
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_alias_starts_with(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageAliasRow.alias.ilike(f"{spec.value}%")
            else:
                condition = ImageAliasRow.alias.like(f"{spec.value}%")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner

    @staticmethod
    def by_alias_ends_with(spec: StringMatchSpec) -> QueryCondition:
        def inner() -> sa.sql.expression.ColumnElement[bool]:
            if spec.case_insensitive:
                condition = ImageAliasRow.alias.ilike(f"%{spec.value}")
            else:
                condition = ImageAliasRow.alias.like(f"%{spec.value}")
            if spec.negated:
                condition = sa.not_(condition)
            return condition

        return inner


class ImageAliasOrders:
    """Query orders for image aliases."""

    @staticmethod
    def alias(ascending: bool = True) -> QueryOrder:
        if ascending:
            return ImageAliasRow.alias.asc()
        return ImageAliasRow.alias.desc()
