oximod 0.1.9

//! Delete example for oximod
//!
//! Run with: `cargo run --example delete`
//!
//! This demonstrates how to:
//! - Insert users
//! - Delete multiple documents
//! - Delete a document by ID
//! - Delete one document with a filter

use oximod::{ set_global_client, Model };
use mongodb::bson::{ doc, oid::ObjectId };
use serde::{ Deserialize, Serialize };

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    dotenv::dotenv().ok();
    let mongodb_uri = std::env::var("MONGODB_URI")?;
    set_global_client(mongodb_uri).await?;

    #[derive(Debug, Serialize, Deserialize, Model)]
    #[db("delete_example_db")]
    #[collection("users")]
    struct User {
        #[serde(skip_serializing_if = "Option::is_none")]
        _id: Option<ObjectId>,
        name: String,
        age: i32,
        #[default(true)]
        active: bool,
    }

    // Clean up previous runs
    User::clear().await?;

    // Insert users using builder API
    let users = vec![
        User::new().name("User1".to_string()).age(20).active(false),
        User::new().name("User2".to_string()).age(25).active(false),
        User::new().name("User3".to_string()).age(30), // active: true by default
        User::new().name("User4".to_string()).age(30) // active: true by default
    ];

    let mut inserted_ids = vec![];
    for user in users {
        let id = user.save().await?;
        inserted_ids.push(id);
    }

    // Delete all inactive users
    let result = User::delete(doc! { "active": false }).await?;
    println!("🗑️ Deleted {} inactive users", result.deleted_count);

    // Delete one active user
    let result = User::delete_one(doc! { "active": true }).await?;
    println!("🧹 Deleted {} active user(s)", result.deleted_count);

    // Delete the last one by ID
    if let Some(id) = inserted_ids.pop() {
        let result = User::delete_by_id(id).await?;
        println!("❌ Deleted by ID: {}", result.deleted_count);
    }

    Ok(())
}