cookcli 0.28.1

use anyhow::Result;
use camino::Utf8PathBuf;
use serde::{Deserialize, Serialize};
use std::fs;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ShoppingListItem {
    pub path: String,
    pub name: String,
    pub scale: f64,
}

pub struct ShoppingListStore {
    file_path: Utf8PathBuf,
}

impl ShoppingListStore {
    pub fn new(base_path: &Utf8PathBuf) -> Self {
        let file_path = base_path.join(".shopping_list.txt");
        Self { file_path }
    }

    pub fn load(&self) -> Result<Vec<ShoppingListItem>> {
        if !self.file_path.exists() {
            return Ok(Vec::new());
        }

        let content = fs::read_to_string(&self.file_path)?;
        let mut items = Vec::new();

        for line in content.lines() {
            let line = line.trim();
            if line.is_empty() || line.starts_with('#') {
                continue;
            }

            let parts: Vec<&str> = line.split('\t').collect();
            if parts.len() >= 3 {
                items.push(ShoppingListItem {
                    path: parts[0].to_string(),
                    name: parts[1].to_string(),
                    scale: parts[2].parse().unwrap_or(1.0),
                });
            }
        }

        Ok(items)
    }

    pub fn save(&self, items: &[ShoppingListItem]) -> Result<()> {
        let mut content = String::from("# Shopping List\n");
        content.push_str("# Format: path<TAB>name<TAB>scale\n\n");

        for item in items {
            content.push_str(&format!("{}\t{}\t{}\n", item.path, item.name, item.scale));
        }

        fs::write(&self.file_path, content)?;
        Ok(())
    }

    pub fn add(&self, item: ShoppingListItem) -> Result<()> {
        let mut items = self.load()?;

        // Always add as a new entry to allow multiple instances of the same recipe
        items.push(item);

        self.save(&items)?;
        Ok(())
    }

    pub fn remove(&self, path: &str) -> Result<()> {
        let mut items = self.load()?;
        // Remove only the first instance to allow removing individual entries
        if let Some(pos) = items.iter().position(|i| i.path == path) {
            items.remove(pos);
        }
        self.save(&items)?;
        Ok(())
    }

    pub fn clear(&self) -> Result<()> {
        self.save(&[])?;
        Ok(())
    }
}