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// (c) 2017 Joost Yervante Damad <joost@damad.be>

/// a hop
#[derive(Serialize, Deserialize, Debug, Default)]
pub struct Hop {
    /// name of the hop
    #[serde(skip)]
    pub name: String,
    /// version of the fermentable format (normally 1)
    pub version: i64,
    /// percent alpha of hops
    pub alpha: f64,
    /// amount of hops, in kg
    pub amount: f64,
    /// use of the hop
    #[serde(rename="use")]
    pub use_: HopUse,
    /// time in minutes
    pub time: f64,
    /// notes
    #[serde(skip_serializing_if="Option::is_none")]
    pub notes: Option<String>,
    /// type of hop
    #[serde(rename="type", skip_serializing_if="Option::is_none")]
    pub type_: Option<HopType>,
    /// form of the hop
    #[serde(skip_serializing_if="Option::is_none")]
    pub form: Option<HopForm>,
    /// percent beta of hops
    #[serde(skip_serializing_if="Option::is_none")]
    pub beta: Option<f64>,
    /// Hop Stability Index - percent of hop alpha lost in 6 months of storage
    #[serde(skip_serializing_if="Option::is_none")]
    pub hsi: Option<f64>,
    /// Place of origin for the hops
    #[serde(skip_serializing_if="Option::is_none")]
    pub origin: Option<String>,
    /// Substitutes that can be used for this hop
    #[serde(skip_serializing_if="Option::is_none")]
    pub substitutes: Option<String>,
    /// Humelene leven in percent
    #[serde(skip_serializing_if="Option::is_none")]
    pub humulene: Option<f64>,
    /// Caryophyllene leven in percent
    #[serde(skip_serializing_if="Option::is_none")]
    pub caryophyllene: Option<f64>,
    /// Cohumylone leven in percent
    #[serde(skip_serializing_if="Option::is_none")]
    pub cohumulone: Option<f64>,
    /// Myrcene leven in percent
    #[serde(skip_serializing_if="Option::is_none")]
    pub myrcene: Option<f64>,
}

/// the usage of the hop
#[derive(ToString, EnumString, Serialize, Deserialize, Debug)]
pub enum HopUse {
    /// aroma hop usage
    Aroma,
    /// boil hop usage
    Boil,
    /// dry-hop hop usage
    #[serde(rename="Dry Hop")]
    #[strum(serialize="Dry Hop")]
    DryHop,
    /// first wort hop usage
    #[serde(rename="First Wort")]
    #[strum(serialize="First Wort")]
    FirstWort,
    /// mash hop usage
    Mash,
}

impl Default for HopUse {
    fn default() -> HopUse {
        HopUse::Aroma
    }
}

/// the type of a hop
#[derive(ToString, EnumString, Serialize, Deserialize, Debug)]
pub enum HopType {
    /// a bittering hop
    Bittering,
    /// an aroma hop
    Aroma,
    /// a dual-purpose hop
    Both,
}

/// the form of a hop
#[derive(ToString, EnumString, Serialize, Deserialize, Debug)]
pub enum HopForm {
    /// pellet hop
    Pellet,
    /// hop plugs
    Plug,
    /// leaf hop
    Leaf,
}