use anyhow::{Context, Result, anyhow};
use std::fs;
use std::path::PathBuf;

use crate::db;
use crate::config;
use clap::Command;
use clap::error::ErrorKind;
use log::{debug, warn};
use rusqlite::Connection;

pub fn mode_delete(
    cmd: &mut Command,
    _settings: &config::Settings,
    _config: &config::Settings,
    ids: &mut Vec<i64>,
    tags: &mut Vec<String>,
    conn: &mut Connection,
    data_path: PathBuf,
) -> Result<()> {
    if ids.is_empty() {
        cmd.error(
            ErrorKind::InvalidValue,
            "No ID given, you must supply atleast one ID when using --delete",
        )
        .exit();
    } else if !tags.is_empty() {
        cmd.error(
            ErrorKind::InvalidValue,
            "Tags given but not supported, you must supply atleast one ID when using --delete",
        )
        .exit();
    }

    for item_id in ids.iter() {
        if let Some(item) = db::get_item(conn, *item_id)? {
            debug!("MAIN: Found item {:?}", item);
            db::delete_item(conn, item)?;

            // Validate that item ID is positive to prevent path traversal issues
            if *item_id <= 0 {
                return Err(anyhow!("Invalid item ID: {}", item_id));
            }
            
            let mut item_path = data_path.clone();
            item_path.push(item_id.to_string());

            fs::remove_file(&item_path)
                .context(anyhow!("Unable to remove item file {:?}", item_path))?;
        } else {
            warn!("Unable to find item {item_id} in database");
        }
    }

    Ok(())
}