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#
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# distutils: language = c++

from libcpp.vector cimport vector as std_vector

from pyarrow.includes.common cimport *
from pyarrow.includes.libarrow cimport *

ctypedef CResult[CDeclaration] CNamedTableProvider(const std_vector[c_string]&)

cdef extern from "arrow/engine/substrait/options.h" namespace "arrow::engine" nogil:
    cdef enum ConversionStrictness \
            "arrow::engine::ConversionStrictness":
        EXACT_ROUNDTRIP \
            "arrow::engine::ConversionStrictness::EXACT_ROUNDTRIP"
        PRESERVE_STRUCTURE \
            "arrow::engine::ConversionStrictness::PRESERVE_STRUCTURE"
        BEST_EFFORT \
            "arrow::engine::ConversionStrictness::BEST_EFFORT"

    cdef cppclass CConversionOptions \
            "arrow::engine::ConversionOptions":
        ConversionStrictness conversion_strictness
        function[CNamedTableProvider] named_table_provider

cdef extern from "arrow/engine/substrait/extension_set.h" \
        namespace "arrow::engine" nogil:

    cdef cppclass ExtensionIdRegistry:
        std_vector[c_string] GetSupportedSubstraitFunctions()

    ExtensionIdRegistry* default_extension_id_registry()


cdef extern from "arrow/engine/substrait/util.h" namespace "arrow::engine" nogil:
    CResult[shared_ptr[CRecordBatchReader]] ExecuteSerializedPlan(
        const CBuffer& substrait_buffer, const ExtensionIdRegistry* registry,
        CFunctionRegistry* func_registry, const CConversionOptions& conversion_options,
        c_bool use_threads)

    CResult[shared_ptr[CBuffer]] SerializeJsonPlan(const c_string& substrait_json)