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use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use serde_json;
use serde_yaml;
use toml;
use std::fs::{OpenOptions};
use std::io::{Read, Write};
use std::path::{Path, PathBuf};
use std::collections::HashMap;
use chrono::Utc;
use log::{error, info};
use crate::error::FluxError;
use crate::file::format_manager::FormatManager;
use crate::file::key_collection::{KeyCollection, KeyCollectionTransform};
use crate::traits::Flux;
use crate::key::Key;
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct FileAttributes {
pub format: Option<String>,
pub path: String,
}
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct FileFlux {
pub path: PathBuf,
pub format: String,
pub args: Option<FileAttributes>,
}
impl FileFlux {
// fn ensure_file_exists_and_valid(&self) -> Result<(), FluxError> {
// let path = Path::new(&self.path);
// if let Some(parent) = path.parent() {
// std::fs::create_dir_all(parent)?; // Create nested directories if they do not exist
// }
// if !path.exists() {
// let mut file = OpenOptions::new().create(true).write(true).open(&self.path)?;
// // Initialize the file with an empty but valid content for each format
// match self.format.as_ref() {
// "json" => writeln!(file, "{{}}")?,
// "yaml" => writeln!(file, "")?, // Initialize with an empty map
// "toml" => writeln!(file, "")?, // TOML can start empty
// "env" => writeln!(file, "")?, // ENV can start empty
// _ => return Err(FluxError::UnsupportedFormat("Unsupported file format".to_string())),
// };
// }
// Ok(())
// }
// fn load_existing_keys(&self) -> Result<HashMap<String, String>, FluxError> {
// self.ensure_file_exists_and_valid()?;
// let mut file = OpenOptions::new().read(true).open(&self.path)?;
// let mut contents = String::new();
// file.read_to_string(&mut contents)?;
// if contents.trim().is_empty() {
// return Ok(HashMap::new()); // Return an empty map if the file is empty
// }
//
// match self.format.as_ref() {
// "json" => serde_json::from_str(&contents).map_err(FluxError::from),
// "yaml" => serde_yaml::from_str(&contents).map_err(FluxError::from),
// "toml" => toml::from_str(&contents).map_err(FluxError::from),
// "env" => {
// let map = contents
// .lines()
// .filter_map(|line| {
// let parts: Vec<&str> = line.splitn(2, '=').collect();
// if parts.len() == 2 {
// Some((parts[0].to_string(), parts[1].to_string()))
// } else {
// None
// }
// })
// .collect();
// Ok(map)
// }
// _ => Err(FluxError::UnsupportedFormat("Unsupported file format".to_string())),
// }
// }
// async fn load_existing_keys(&self) -> Result<KeyCollection, FluxError> {
// let manager = FormatManager::instance_read().await;
// manager.load_keys(&self.path, Some(&self.format))
// }
async fn save_keys(&self, keys: &KeyCollection) -> Result<(), FluxError> {
// let date = Utc::now();
// let package_name = env!("CARGO_PKG_NAME");
// let package_version = env!("CARGO_PKG_VERSION");
// let autogenerated_info = format!(
// "# AUTOGENERATED BY {} V{} ON {}. DO NOT EDIT.\n",
// package_name.to_uppercase(),
// package_version,
// date.to_rfc3339()
// );
let manager = FormatManager::read().await;
manager.save_keys(&self.path, keys, Some(&self.format))?;
// let contents = match self.format.as_ref() {
// "json" => {
// let meta_path = format!("{}.meta", self.path.display());
// let mut meta_file = OpenOptions::new().create(true).write(true).truncate(true).open(&meta_path)?;
// writeln!(
// meta_file,
// "AUTOGENERATED BY {} V{} ON {}.\nDO NOT EDIT.\n",
// package_name.to_uppercase(),
// package_version,
// date.to_rfc3339()
// )?;
// serde_json::to_string_pretty(keys)?
// }
// "yaml" => {
// let mut result = autogenerated_info.clone();
// result.push_str(&serde_yaml::to_string(keys)?);
// result
// }
// "toml" => {
// let mut result = autogenerated_info.clone();
// result.push_str(&toml::to_string_pretty(keys)?);
// result
// }
// "env" => {
// let mut result = autogenerated_info.clone();
// result.push_str(&keys.iter().map(|(k, v)| format!("{}={}", k, v.value())).collect::<Vec<_>>().join("\n"));
// result
// }
// _ => return Err(FluxError::UnsupportedFormat("Unsupported file format".to_string())),
// };
//
// let mut file = OpenOptions::new().write(true).truncate(true).open(&self.path)?;
// file.write_all(contents.as_bytes())?;
Ok(())
}
}
#[async_trait]
impl Flux for FileFlux {
async fn initialize(&self) -> Result<(), FluxError> {
// self.ensure_file_exists_and_valid()?;
Ok(())
}
async fn finalize(&self) -> Result<(), FluxError> {
// Any cleanup logic if needed
Ok(())
}
async fn single(&self, key: &Key) -> Result<(), FluxError> {
// let mut existing_keys = self.load_existing_keys().await?; // Await the future here
let manager = FormatManager::read().await;
let mut keys = manager.load_keys(&self.path, Some(&self.format))?;
keys.upsert(key.clone());
self.save_keys(&keys).await
}
async fn batch(&self, keys: &KeyCollection) -> Result<(), FluxError> {
let manager = FormatManager::read().await;
let mut existing_keys = manager.load_keys(&self.path, Some(&self.format))?;
let mut new_keys = existing_keys.to_key_detail_collection();
// error!("{:?} existing keys ", new_keys);
// error!("{:?} keys ", keys);
keys.to_key_detail_collection().iter().for_each(|key| {
new_keys.upsert(key.clone());
});
// info!("{:?} keys ", new_keys);
new_keys.sort_by();
self.save_keys(&new_keys).await
}
async fn check(&self, _key: &Key) -> Result<Option<String>, FluxError> {
Ok(None)
}
async fn revert(&self, _key: &Key) -> Result<(), FluxError> {
Ok(())
}
}