use serde::{Deserialize, Serialize};
use utoipa::ToSchema;

use crate::storage::sql::{mk_id, unit_property::UnitPropertyId};

#[derive(ToSchema, Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize, Deserialize)]
pub(crate) struct Unit {
    /// Unique id for this unit.
    pub(crate) id: UnitId,

    /// The singular version of this unit's name.
    /// E.g.:
    ///     Kilogram
    ///     Gram
    pub(crate) full_name_singular: String,

    /// The plural version of this unit's name. Is used by a value of two and more.
    /// (We do not support Slovenian dual numerus versions)
    /// E.g.:
    ///     Kilogram -> Kilograms
    ///     gram -> meters
    pub(crate) full_name_plural: String,

    /// Short name or abbreviation of this unit.
    /// E.g.:
    ///     kg for Kilogram
    ///     g for gram
    ///     m for meter
    pub(crate) short_name: String,

    /// Description of this unit.
    pub(crate) description: Option<String>,

    /// Which property is described by this unit.
    /// E.g.:
    ///     kg -> Mass
    ///     L -> Volume
    ///     m/s -> Speed
    ///     and so forth
    pub(crate) unit_property: UnitPropertyId,
}

#[derive(ToSchema, Debug, Clone, Copy, Serialize, Deserialize)]
pub(crate) struct UnitAmount {
    #[schema(minimum = 0)]
    pub(crate) value: u32,
    pub(crate) unit: UnitId,
}

mk_id!(UnitId and UnitIdStub);