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use vortex_dtype::match_each_native_ptype;
use vortex_error::VortexResult;
use vortex_scalar::Scalar;

use crate::array::primitive::PrimitiveArray;
use crate::compute::{SearchResult, SearchSorted, SearchSortedFn, SearchSortedSide};

impl SearchSortedFn for PrimitiveArray {
    fn search_sorted(&self, value: &Scalar, side: SearchSortedSide) -> VortexResult<SearchResult> {
        match_each_native_ptype!(self.ptype(), |$T| {
            let pvalue: $T = value.try_into()?;
            Ok(self.maybe_null_slice::<$T>().search_sorted(&pvalue, side))
        })
    }
}

#[cfg(test)]
mod test {
    use super::*;
    use crate::compute::search_sorted;
    use crate::IntoArray;

    #[test]
    fn test_searchsorted_primitive() {
        let values = vec![1u16, 2, 3].into_array();

        assert_eq!(
            search_sorted(&values, 0, SearchSortedSide::Left).unwrap(),
            SearchResult::NotFound(0)
        );
        assert_eq!(
            search_sorted(&values, 1, SearchSortedSide::Left).unwrap(),
            SearchResult::Found(0)
        );
        assert_eq!(
            search_sorted(&values, 1, SearchSortedSide::Right).unwrap(),
            SearchResult::Found(1)
        );
        assert_eq!(
            search_sorted(&values, 4, SearchSortedSide::Left).unwrap(),
            SearchResult::NotFound(3)
        );
    }
}