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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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use crate::logical_plan::producer::{SubstraitProducer, negate};
use datafusion::common::DFSchemaRef;
use datafusion::logical_expr::expr::InList;
use substrait::proto::Expression;
use substrait::proto::expression::{RexType, SingularOrList};

pub fn from_in_list(
    producer: &mut impl SubstraitProducer,
    in_list: &InList,
    schema: &DFSchemaRef,
) -> datafusion::common::Result<Expression> {
    let InList {
        expr,
        list,
        negated,
    } = in_list;
    let substrait_list = list
        .iter()
        .map(|x| producer.handle_expr(x, schema))
        .collect::<datafusion::common::Result<Vec<Expression>>>()?;
    let substrait_expr = producer.handle_expr(expr, schema)?;

    let substrait_or_list = Expression {
        rex_type: Some(RexType::SingularOrList(Box::new(SingularOrList {
            value: Some(Box::new(substrait_expr)),
            options: substrait_list,
        }))),
    };

    if *negated {
        Ok(negate(producer, substrait_or_list))
    } else {
        Ok(substrait_or_list)
    }
}
