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use crate::structure::T;

pub enum LabelType {
    Str(String),
    Bool(bool),
    T(T),
}

pub struct Labels(pub(crate) Vec<LabelType>);

impl From<&str> for Labels {
    fn from(param: &str) -> Labels {
        Labels(vec![LabelType::Str(String::from(param))])
    }
}

impl From<String> for Labels {
    fn from(param: String) -> Labels {
        Labels(vec![LabelType::Str(param)])
    }
}

impl From<T> for Labels {
    fn from(param: T) -> Labels {
        Labels(vec![LabelType::T(param)])
    }
}

impl From<()> for Labels {
    fn from(_: ()) -> Labels {
        Labels(vec![])
    }
}
impl From<Vec<&str>> for Labels {
    fn from(param: Vec<&str>) -> Labels {
        Labels(
            param
                .into_iter()
                .map(|val| LabelType::Str(String::from(val)))
                .collect(),
        )
    }
}
impl From<Vec<String>> for Labels {
    fn from(param: Vec<String>) -> Labels {
        Labels(param.into_iter().map(LabelType::Str).collect())
    }
}

impl From<bool> for Labels {
    fn from(param: bool) -> Labels {
        Labels(vec![LabelType::Bool(param)])
    }
}

impl From<(bool, Vec<&str>)> for Labels {
    fn from(param: (bool, Vec<&str>)) -> Labels {
        let mut out: Vec<LabelType> = vec![LabelType::Bool(param.0)];
        out.append(&mut Into::<Labels>::into(param.1).0.drain(..).collect());
        Labels(out)
    }
}

impl From<(bool, T, Vec<&str>)> for Labels {
    fn from(param: (bool, T, Vec<&str>)) -> Labels {
        let mut out: Vec<LabelType> = vec![LabelType::Bool(param.0)];
        out.append(&mut Into::<Labels>::into(param.1).0.drain(..).collect());
        out.append(&mut Into::<Labels>::into(param.2).0.drain(..).collect());
        Labels(out)
    }
}

impl From<(T, Vec<&str>)> for Labels {
    fn from(param: (T, Vec<&str>)) -> Labels {
        let mut out: Vec<LabelType> = vec![LabelType::T(param.0)];
        out.append(&mut Into::<Labels>::into(param.1).0.drain(..).collect());
        Labels(out)
    }
}

macro_rules! impl_into_labels_str {
    ($n:expr) => {
        impl From<[&str; $n]> for Labels {
            fn from(param: [&str; $n]) -> Labels {
                Labels(
                    param
                        .iter()
                        .map(|s| LabelType::Str(String::from(*s)))
                        .collect(),
                )
            }
        }
    };
}

impl_into_labels_str!(1);
impl_into_labels_str!(2);
impl_into_labels_str!(3);
impl_into_labels_str!(4);
impl_into_labels_str!(5);
impl_into_labels_str!(6);
impl_into_labels_str!(7);
impl_into_labels_str!(8);
impl_into_labels_str!(9);
impl_into_labels_str!(10);

macro_rules! impl_into_labels_string {
    ($n:expr) => {
        impl From<[String; $n]> for Labels {
            fn from(param: [String; $n]) -> Labels {
                Labels(
                    param
                        .iter()
                        .map(|val| LabelType::Str(val.clone()))
                        .collect(),
                )
            }
        }
    };
}

impl_into_labels_string!(1);
impl_into_labels_string!(2);
impl_into_labels_string!(3);
impl_into_labels_string!(4);
impl_into_labels_string!(5);
impl_into_labels_string!(6);
impl_into_labels_string!(7);
impl_into_labels_string!(8);
impl_into_labels_string!(9);
impl_into_labels_string!(10);