// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).

// {{ crate::properties::GENERATED_BY }}

#[rustfmt::skip]

#[diplomat::bridge]
#[diplomat::abi_rename = "icu4x_{0}_mv1"]
pub mod ffi {
    use alloc::boxed::Box;
    #[cfg(any(feature = "compiled_data", feature = "buffer_provider"))]
    use icu_properties::props;

    use crate::unstable::properties_gcg::ffi::GeneralCategoryGroup;
    use crate::unstable::properties_iter::ffi::CodePointRangeIterator;
    use crate::unstable::properties_sets::ffi::CodePointSetData;
    #[cfg(feature = "buffer_provider")]
    use crate::unstable::{errors::ffi::DataError, provider::ffi::DataProvider};

    #[diplomat::opaque]
    /// An ICU4X Unicode Map Property object, capable of querying whether a code point (key) to obtain the Unicode property value, for a specific Unicode property.
    ///
    /// For properties whose values fit into 8 bits.
    #[diplomat::rust_link(icu::properties, Mod)]
    #[diplomat::rust_link(icu::properties::CodePointMapData, Struct)]
    #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed, Struct)]
    #[diplomat::rust_link(icu::properties::CodePointMapData::new, FnInStruct, hidden)]
    #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed::new, FnInStruct, hidden)]
    #[diplomat::rust_link(
        icu::properties::CodePointMapData::try_into_converted,
        FnInStruct,
        hidden
    )]
    #[diplomat::attr(demo_gen, disable)] // TODO needs custom page
    pub struct CodePointMapData8(icu_properties::CodePointMapData<u8>);

    impl CodePointMapData8 {
        /// Gets the value for a code point.
        #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed::get, FnInStruct)]
        #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed::get32, FnInStruct, hidden)]
        #[diplomat::attr(all(supports = indexing, not(kotlin)), indexer)] // Kotlin doesn't support non-integral indexers
        pub fn get(&self, cp: DiplomatChar) -> u8 {
            self.0.as_borrowed().get32(cp)
        }

        /// Produces an iterator over ranges of code points that map to `value`
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::iter_ranges_for_value,
            FnInStruct
        )]
        pub fn iter_ranges_for_value<'a>(&'a self, value: u8) -> Box<CodePointRangeIterator<'a>> {
            Box::new(CodePointRangeIterator(Box::new(
                self.0.as_borrowed().iter_ranges_for_value(value),
            )))
        }

        /// Produces an iterator over ranges of code points that do not map to `value`
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::iter_ranges_for_value_complemented,
            FnInStruct
        )]
        pub fn iter_ranges_for_value_complemented<'a>(
            &'a self,
            value: u8,
        ) -> Box<CodePointRangeIterator<'a>> {
            Box::new(CodePointRangeIterator(Box::new(
                self.0
                    .as_borrowed()
                    .iter_ranges_for_value_complemented(value),
            )))
        }

        /// Given a mask value (the nth bit marks property value = n), produce an iterator over ranges of code points
        /// whose property values are contained in the mask.
        ///
        /// The main mask property supported is that for `General_Category`, which can be obtained via `general_category_to_mask()` or
        /// by using `GeneralCategoryNameToMaskMapper`
        ///
        /// Should only be used on maps for properties with values less than 32 (like `General_Category`),
        /// other maps will have unpredictable results
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::iter_ranges_for_group,
            FnInStruct
        )]
        pub fn iter_ranges_for_group<'a>(
            &'a self,
            group: GeneralCategoryGroup,
        ) -> Box<CodePointRangeIterator<'a>> {
            let ranges = self
                .0
                .as_borrowed()
                .iter_ranges_mapped(move |v| {
                    let val_mask = 1_u32.checked_shl(v.into()).unwrap_or(0);
                    val_mask & group.mask != 0
                })
                .filter(|v| v.value)
                .map(|v| v.range);
            Box::new(CodePointRangeIterator(Box::new(ranges)))
        }

        /// Gets a [`CodePointSetData`] representing all entries in this map that map to the given value
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::get_set_for_value,
            FnInStruct
        )]
        pub fn get_set_for_value(&self, value: u8) -> Box<CodePointSetData> {
            Box::new(CodePointSetData(
                self.0.as_borrowed().get_set_for_value(value),
            ))
        }
    }

    #[diplomat::opaque]
    /// An ICU4X Unicode Map Property object, capable of querying whether a code point (key) to obtain the Unicode property value, for a specific Unicode property.
    ///
    /// For properties whose values fit into 16 bits.
    #[diplomat::rust_link(icu::properties, Mod)]
    #[diplomat::rust_link(icu::properties::CodePointMapData, Struct)]
    #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed, Struct)]
    #[diplomat::attr(demo_gen, disable)] // TODO needs custom page
    pub struct CodePointMapData16(icu_properties::CodePointMapData<u16>);

    impl CodePointMapData16 {
        /// Gets the value for a code point.
        #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed::get, FnInStruct)]
        #[diplomat::rust_link(icu::properties::CodePointMapDataBorrowed::get32, FnInStruct, hidden)]
        #[diplomat::attr(all(supports = indexing, not(kotlin)), indexer)] // Kotlin doesn't support non-integral indexers
        pub fn get(&self, cp: DiplomatChar) -> u16 {
            self.0.as_borrowed().get32(cp)
        }

        /// Produces an iterator over ranges of code points that map to `value`
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::iter_ranges_for_value,
            FnInStruct
        )]
        pub fn iter_ranges_for_value<'a>(&'a self, value: u16) -> Box<CodePointRangeIterator<'a>> {
            Box::new(CodePointRangeIterator(Box::new(
                self.0.as_borrowed().iter_ranges_for_value(value),
            )))
        }

        /// Produces an iterator over ranges of code points that do not map to `value`
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::iter_ranges_for_value_complemented,
            FnInStruct
        )]
        pub fn iter_ranges_for_value_complemented<'a>(
            &'a self,
            value: u16,
        ) -> Box<CodePointRangeIterator<'a>> {
            Box::new(CodePointRangeIterator(Box::new(
                self.0
                    .as_borrowed()
                    .iter_ranges_for_value_complemented(value),
            )))
        }

        /// Gets a [`CodePointSetData`] representing all entries in this map that map to the given value
        #[diplomat::rust_link(
            icu::properties::CodePointMapDataBorrowed::get_set_for_value,
            FnInStruct
        )]
        pub fn get_set_for_value(&self, value: u16) -> Box<CodePointSetData> {
            Box::new(CodePointSetData(
                self.0.as_borrowed().get_set_for_value(value),
            ))
        }
    }

    {% for prop in props %}

    impl {{ prop.map_type() }} {
        /// Create a map for the `{{prop.name.to_upper_camel_case()}}` property, using compiled data.
        #[diplomat::rust_link(icu::properties::props::{{ prop.name.to_upper_camel_case() }}, {{ prop.ffi_kind() }})]
        #[diplomat::attr(auto, named_constructor = "{{ prop.name.to_upper_camel_case().to_snake_case() }}")]
        #[cfg(feature = "compiled_data")]
        pub fn create_{{ prop.name.to_upper_camel_case().to_snake_case() }}() -> Box<Self> {
            #[expect(clippy::unwrap_used)]
            let data = icu_properties::CodePointMapData::<props::{{prop.name.to_upper_camel_case()}}>::new()
                .static_to_owned()
                .try_into_converted()
                .map_err(|_| ())
                .unwrap();
            Box::new(Self(data))
        }

        /// Create a map for the `{{prop.name.to_upper_camel_case()}}` property, using a particular data source.
        #[diplomat::rust_link(icu::properties::props::{{ prop.name.to_upper_camel_case() }}, {{ prop.ffi_kind() }})]
        #[diplomat::attr(all(supports = fallible_constructors, supports = named_constructors), named_constructor = "{{ prop.name.to_upper_camel_case().to_snake_case() }}_with_provider")]
        #[cfg(feature = "buffer_provider")]
        pub fn create_{{ prop.name.to_upper_camel_case().to_snake_case() }}_with_provider(
            provider: &DataProvider,
        ) -> Result<Box<Self>, DataError> {
            #[expect(clippy::unwrap_used)]
            let data = icu_properties::CodePointMapData::<props::{{prop.name.to_upper_camel_case()}}>::try_new_unstable(&provider.get_unstable()?)?
                .try_into_converted()
                .map_err(|_| ())
                .unwrap();
            Ok(Box::new(Self(data)))
        }
    }

    {%- endfor %}
}

