use uuid::Uuid;
use chrono::prelude::*;

// Content strings to add to html
pub const TITLE: &str = r#"Catgirl Cooking"#;
pub const HEADER: &str = r#"🥘 Catgirl Cooking"#;
pub const DESCRIPTION: &str = r#"The cutest cooking site on the net :3"#;
pub const DETAILS: &str = r#"Absolutely no ads, tracking, or nazis, ever."#;

pub enum TimeUnits {
    Hours,
    Min,
    Sec,
}

pub enum MeasurementUnits {
    Grams,
    Kilograms,
    Pounds,
    Litres,
    Millilitres,
    Gallons,
    Ounces,
    Pinch,
    Drop,
    Tablespoon,
    Teaspoon,
}

#[derive(Debug, PartialEq, Clone)]
pub struct Tag(pub char, pub String);

impl Tag {
    pub fn new(s: String) -> Tag {
        Tag('#', s)
    }

    pub fn to_string(&self) -> String {
        let mut tag = String::new();
        tag.push_str(&self.0.to_string());
        tag.push_str(&self.1);
        return tag;
    }

    pub fn from_string(s: String) -> Tag {
        let hash = s.chars().nth(0).unwrap();
        let mut text = s;
        text.remove(0);
        text.make_ascii_lowercase();
        return Tag(hash, text);
    }

    pub fn display(&self) {
        println!("{}{}", self.0, self.1);
    }
}

pub struct Recipe {
    id: Uuid, // Unique recipe ID
    name: String, // Full recipe name
    prep_time: (i32, TimeUnits), // Preparation time: (value, units)
    cooking_time: (i32, TimeUnits), // Cooking time: (value, units)
    servings: u8, // How many servinge the recipe makes
    ingredients: Vec<(i32, MeasurementUnits, String)>, // Vector of ingredients: (value, units, name)
    directions: Vec<(u16, String)>, // List of instructions: (step #, details)
    attribution: String, // Author name
    posted_date: DateTime<Utc>, // Date the recipe was first posted
    edited_date: DateTime<Utc>, // Date the recipe was last edited
    tags: Vec<Tag>, // List of tags
}