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# pylint: disable=invalid-name
"""Default legalization function for search operators."""

from tvm import topi

from ...block_builder import BlockBuilder
from ...expr import Call, Expr
from .common import LegalizeFunc, TEFunc, _call_topi_without_attr, register_legalize

register_legalize("relax.where", _call_topi_without_attr(topi.where))


def _argmax_argmin(te_func: TEFunc) -> LegalizeFunc:
    def argmax_argmin_call_te(bb: BlockBuilder, call: Call) -> Expr:
        return bb.call_te(
            te_func,
            call.args[0],
            None if call.attrs.axis is None else call.attrs.axis,
            call.attrs.keepdims,
        )

    return argmax_argmin_call_te


register_legalize("relax.argmax", _argmax_argmin(topi.argmax))
register_legalize("relax.argmin", _argmax_argmin(topi.argmin))


@register_legalize("relax.bucketize")
def _bucketize(bb, call):
    input_tensor = call.args[0]
    boundaries = call.args[1]
    right = call.attrs.right
    return bb.call_te(
        topi.searchsorted, boundaries, input_tensor, right, input_tensor.struct_info.dtype
    )
