use crate::domain::ingredient::types;

#[derive(Default)]
pub struct GetIngredientOpts {
    pub lang: Option<types::Lang>,
}

pub trait IngredientRepo {
    fn get_ingredients(&self, opts: GetIngredientOpts) -> Vec<types::Ingredient>;
}

pub struct StaticIngredientRepo;

impl IngredientRepo for StaticIngredientRepo {
    fn get_ingredients(&self, opts: GetIngredientOpts) -> Vec<types::Ingredient> {
        let langs = [opts.lang.unwrap_or_default()].repeat(db::INGREDIENTS.len());
        db::INGREDIENTS
            .iter()
            .zip(langs)
            .filter_map(|tup| TryFrom::try_from(tup).ok())
            .collect::<Vec<_>>()
    }
}

#[cfg(test)]
pub struct InMemoryIngredientRepo {
    pub ingredients: Vec<db::data::Ingredient>,
}

#[cfg(test)]
impl InMemoryIngredientRepo {
    pub fn new() -> Self {
        Self {
            ingredients: vec![
                db::data::Ingredient {
                    key: "apple",
                    translates: db::data::IngredientTranslate {
                        ru: "Яблоко",
                        en: Some("Apple"),
                    },
                },
                db::data::Ingredient {
                    key: "orange",
                    translates: db::data::IngredientTranslate {
                        ru: "Апельсин",
                        en: None,
                    },
                },
                db::data::Ingredient {
                    key: "salt",
                    translates: db::data::IngredientTranslate {
                        ru: "Соль",
                        en: Some("Salt"),
                    },
                },
                db::data::Ingredient {
                    key: "sugar",
                    translates: db::data::IngredientTranslate {
                        ru: "Сахар",
                        en: None,
                    },
                },
            ],
        }
    }
}

#[cfg(test)]
impl IngredientRepo for InMemoryIngredientRepo {
    fn get_ingredients(&self, opts: GetIngredientOpts) -> Vec<types::Ingredient> {
        let langs = [opts.lang.unwrap_or_default()].repeat(self.ingredients.len());
        self.ingredients
            .iter()
            .zip(langs)
            .filter_map(|tup| TryFrom::try_from(tup).ok())
            .collect::<Vec<_>>()
    }
}