from __future__ import annotations

from typing import TYPE_CHECKING, Literal, Optional, Union

from cognite.client import data_modeling as dm
from pydantic import Field

from ._core import (
    DEFAULT_INSTANCE_SPACE,
    DomainModel,
    DomainModelApply,
    DomainModelApplyList,
    DomainModelList,
    DomainRelationApply,
    ResourcesApply,
)

if TYPE_CHECKING:
    from ._alert import Alert, AlertApply
    from ._bid_method import BidMethod, BidMethodApply


__all__ = [
    "BasicBidMatrix",
    "BasicBidMatrixApply",
    "BasicBidMatrixList",
    "BasicBidMatrixApplyList",
    "BasicBidMatrixFields",
    "BasicBidMatrixTextFields",
]


BasicBidMatrixTextFields = Literal["resource_cost", "matrix", "asset_type", "asset_id"]
BasicBidMatrixFields = Literal["resource_cost", "matrix", "asset_type", "asset_id"]

_BASICBIDMATRIX_PROPERTIES_BY_FIELD = {
    "resource_cost": "resourceCost",
    "matrix": "matrix",
    "asset_type": "assetType",
    "asset_id": "assetId",
}


class BasicBidMatrix(DomainModel):
    """This represents the reading version of basic bid matrix.

    It is used to when data is retrieved from CDF.

    Args:
        space: The space where the node is located.
        external_id: The external id of the basic bid matrix.
        resource_cost: The resource cost field.
        matrix: The matrix field.
        asset_type: The asset type field.
        asset_id: The asset id field.
        method: The method field.
        alerts: The alert field.
        created_time: The created time of the basic bid matrix node.
        last_updated_time: The last updated time of the basic bid matrix node.
        deleted_time: If present, the deleted time of the basic bid matrix node.
        version: The version of the basic bid matrix node.
    """

    space: str = DEFAULT_INSTANCE_SPACE
    resource_cost: Optional[str] = Field(None, alias="resourceCost")
    matrix: Union[str, None] = None
    asset_type: Optional[str] = Field(None, alias="assetType")
    asset_id: Optional[str] = Field(None, alias="assetId")
    method: Union[BidMethod, str, dm.NodeId, None] = Field(None, repr=False)
    alerts: Union[list[Alert], list[str], None] = Field(default=None, repr=False)

    def as_apply(self) -> BasicBidMatrixApply:
        """Convert this read version of basic bid matrix to the writing version."""
        return BasicBidMatrixApply(
            space=self.space,
            external_id=self.external_id,
            resource_cost=self.resource_cost,
            matrix=self.matrix,
            asset_type=self.asset_type,
            asset_id=self.asset_id,
            method=self.method.as_apply() if isinstance(self.method, DomainModel) else self.method,
            alerts=[alert.as_apply() if isinstance(alert, DomainModel) else alert for alert in self.alerts or []],
        )


class BasicBidMatrixApply(DomainModelApply):
    """This represents the writing version of basic bid matrix.

    It is used to when data is sent to CDF.

    Args:
        space: The space where the node is located.
        external_id: The external id of the basic bid matrix.
        resource_cost: The resource cost field.
        matrix: The matrix field.
        asset_type: The asset type field.
        asset_id: The asset id field.
        method: The method field.
        alerts: The alert field.
        existing_version: Fail the ingestion request if the basic bid matrix version is greater than or equal to this value.
            If no existingVersion is specified, the ingestion will always overwrite any existing data for the edge (for the specified container or instance).
            If existingVersion is set to 0, the upsert will behave as an insert, so it will fail the bulk if the item already exists.
            If skipOnVersionConflict is set on the ingestion request, then the item will be skipped instead of failing the ingestion request.
    """

    space: str = DEFAULT_INSTANCE_SPACE
    resource_cost: Optional[str] = Field(None, alias="resourceCost")
    matrix: Union[str, None] = None
    asset_type: Optional[str] = Field(None, alias="assetType")
    asset_id: Optional[str] = Field(None, alias="assetId")
    method: Union[BidMethodApply, str, dm.NodeId, None] = Field(None, repr=False)
    alerts: Union[list[AlertApply], list[str], None] = Field(default=None, repr=False)

    def _to_instances_apply(
        self,
        cache: set[tuple[str, str]],
        view_by_write_class: dict[type[DomainModelApply | DomainRelationApply], dm.ViewId] | None,
    ) -> ResourcesApply:
        resources = ResourcesApply()
        if self.as_tuple_id() in cache:
            return resources

        write_view = (view_by_write_class and view_by_write_class.get(type(self))) or dm.ViewId(
            "power-ops-day-ahead-bid", "BasicBidMatrix", "1"
        )

        properties = {}
        if self.resource_cost is not None:
            properties["resourceCost"] = self.resource_cost
        if self.matrix is not None:
            properties["matrix"] = self.matrix
        if self.asset_type is not None:
            properties["assetType"] = self.asset_type
        if self.asset_id is not None:
            properties["assetId"] = self.asset_id
        if self.method is not None:
            properties["method"] = {
                "space": self.space if isinstance(self.method, str) else self.method.space,
                "externalId": self.method if isinstance(self.method, str) else self.method.external_id,
            }

        if properties:
            this_node = dm.NodeApply(
                space=self.space,
                external_id=self.external_id,
                existing_version=self.existing_version,
                type=dm.DirectRelationReference("power-ops-types", "BasicBidMatrix"),
                sources=[
                    dm.NodeOrEdgeData(
                        source=write_view,
                        properties=properties,
                    )
                ],
            )
            resources.nodes.append(this_node)
            cache.add(self.as_tuple_id())

        edge_type = dm.DirectRelationReference("power-ops-types", "calculationIssue")
        for alert in self.alerts or []:
            other_resources = DomainRelationApply.from_edge_to_resources(
                cache, self, alert, edge_type, view_by_write_class
            )
            resources.extend(other_resources)

        if isinstance(self.method, DomainModelApply):
            other_resources = self.method._to_instances_apply(cache, view_by_write_class)
            resources.extend(other_resources)

        return resources


class BasicBidMatrixList(DomainModelList[BasicBidMatrix]):
    """List of basic bid matrixes in the read version."""

    _INSTANCE = BasicBidMatrix

    def as_apply(self) -> BasicBidMatrixApplyList:
        """Convert these read versions of basic bid matrix to the writing versions."""
        return BasicBidMatrixApplyList([node.as_apply() for node in self.data])


class BasicBidMatrixApplyList(DomainModelApplyList[BasicBidMatrixApply]):
    """List of basic bid matrixes in the writing version."""

    _INSTANCE = BasicBidMatrixApply


def _create_basic_bid_matrix_filter(
    view_id: dm.ViewId,
    resource_cost: str | list[str] | None = None,
    resource_cost_prefix: str | None = None,
    asset_type: str | list[str] | None = None,
    asset_type_prefix: str | None = None,
    asset_id: str | list[str] | None = None,
    asset_id_prefix: str | None = None,
    method: str | tuple[str, str] | list[str] | list[tuple[str, str]] | None = None,
    external_id_prefix: str | None = None,
    space: str | list[str] | None = None,
    filter: dm.Filter | None = None,
) -> dm.Filter | None:
    filters = []
    if resource_cost and isinstance(resource_cost, str):
        filters.append(dm.filters.Equals(view_id.as_property_ref("resourceCost"), value=resource_cost))
    if resource_cost and isinstance(resource_cost, list):
        filters.append(dm.filters.In(view_id.as_property_ref("resourceCost"), values=resource_cost))
    if resource_cost_prefix:
        filters.append(dm.filters.Prefix(view_id.as_property_ref("resourceCost"), value=resource_cost_prefix))
    if asset_type and isinstance(asset_type, str):
        filters.append(dm.filters.Equals(view_id.as_property_ref("assetType"), value=asset_type))
    if asset_type and isinstance(asset_type, list):
        filters.append(dm.filters.In(view_id.as_property_ref("assetType"), values=asset_type))
    if asset_type_prefix:
        filters.append(dm.filters.Prefix(view_id.as_property_ref("assetType"), value=asset_type_prefix))
    if asset_id and isinstance(asset_id, str):
        filters.append(dm.filters.Equals(view_id.as_property_ref("assetId"), value=asset_id))
    if asset_id and isinstance(asset_id, list):
        filters.append(dm.filters.In(view_id.as_property_ref("assetId"), values=asset_id))
    if asset_id_prefix:
        filters.append(dm.filters.Prefix(view_id.as_property_ref("assetId"), value=asset_id_prefix))
    if method and isinstance(method, str):
        filters.append(
            dm.filters.Equals(
                view_id.as_property_ref("method"), value={"space": "power-ops-day-ahead-bid", "externalId": method}
            )
        )
    if method and isinstance(method, tuple):
        filters.append(
            dm.filters.Equals(view_id.as_property_ref("method"), value={"space": method[0], "externalId": method[1]})
        )
    if method and isinstance(method, list) and isinstance(method[0], str):
        filters.append(
            dm.filters.In(
                view_id.as_property_ref("method"),
                values=[{"space": "power-ops-day-ahead-bid", "externalId": item} for item in method],
            )
        )
    if method and isinstance(method, list) and isinstance(method[0], tuple):
        filters.append(
            dm.filters.In(
                view_id.as_property_ref("method"), values=[{"space": item[0], "externalId": item[1]} for item in method]
            )
        )
    if external_id_prefix:
        filters.append(dm.filters.Prefix(["node", "externalId"], value=external_id_prefix))
    if space and isinstance(space, str):
        filters.append(dm.filters.Equals(["node", "space"], value=space))
    if space and isinstance(space, list):
        filters.append(dm.filters.In(["node", "space"], values=space))
    if filter:
        filters.append(filter)
    return dm.filters.And(*filters) if filters else None
