eck 0.0.3

A fast, simple file & folder encryption manager, written in Rust
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use crate::{
    diagnostic::{EnkryptitOutput, logging::EnkryptitLogger, output::snippet::Snippet},
    frontend::{
        cli::{
            inspection::inspect_one_or_more_objects,
            params_helpers::{show_params, update_params},
            treatment::treat_objects_with_multiple_paths,
        },
        tui::{input::RealTuiInput, launch_ui},
    },
    types::Version,
};
use clap::{Parser, Subcommand};
mod compression;
mod context;
mod conversions;
mod diagnostic;
mod directory;
mod encryption;
mod errors;
mod frontend;
mod key;
mod metadatas;
mod parallelism;
mod parameters;
mod treatment;
mod types;

use crate::frontend::cli::treatment::treat_object_with_path;

/// The version of `Enkryptit!`
/// Enkryptit versions are separated between :
/// - Nightly versions
/// - Stable versions
///
/// This constant is only for `Nightly` version.
///
/// So, for example, if you download **Enkryptit!** v0.1.4, it is the 4th nightly version of 1st stable version.
pub const VERSION: Version = 3;

#[derive(Parser)]
#[command(name = "eck")]
#[command(author = "Olruix")]
#[command(version = "0.0.3")]
#[command(about = "Fast & Secure File Encryption Manager")]
/// The `Cli` structure for **Enkryptit!** cli-tool
/// \
/// Contains :
/// \
/// - The command
/// - The path (for encrypting/decrypting a file or folder)
/// - The password (for encrypting/decrypting a file or folder w/ password)
struct Cli {
    #[command(subcommand)]
    command: Option<Commands>,

    /// Chemin(s) vers le fichier ou dossier
    #[arg(value_name = "PATH")]
    path: Vec<String>,

    /// Mot de passe (optionnel)
    #[arg(short = 'p', long = "password")]
    password: Option<String>,
}

#[derive(Subcommand)]
/// All the commands available :
/// Ui --> open the UI
/// Inspect --> Inspect one / many files
/// Params / Parameters
/// |-> no arg : show current parameters
/// |-> compression + <ALGO> : change compression algorithm
/// |-> key type + <KEY_TYPE> : change key type
enum Commands {
    Ui,
    Inspect {
        #[arg(value_name = "PATHS")]
        paths: Vec<String>,
    },
    Params {
        /// Change compression algorithm
        #[arg(short = 'c', long = "compression", value_name = "ALGO")]
        compression: Option<String>,

        /// Change key type
        #[arg(short = 'k', long = "keytype", value_name = "TYPE")]
        key_type: Option<String>,

        /// Change parallelism type
        #[arg(short = 'p', long = "parallelism", value_name = "PARA")]
        parallelism: Option<String>,
    },
    Parameters {
        #[arg(short = 'c', long = "compression", value_name = "ALGO")]
        compression: Option<String>,

        #[arg(long = "keytype", visible_alias = "kt", value_name = "TYPE")]
        key_type: Option<String>,

        /// Change parallelism type
        #[arg(short = 'p', long = "parallelism", value_name = "PARA")]
        parallelism: Option<String>,
    },
}

fn main() {
    let cli: Cli = Cli::parse();

    if let Err(e) = EnkryptitLogger::init() {
        EnkryptitOutput::error("Error while initializing the logger.", e)
            .with_location("main.rs::main()")
            .display();
    }

    match cli.command {
        Some(Commands::Ui) => {
            // If the command is `Ui`, we launch the ui.
            launch_ui(&RealTuiInput);
        }
        Some(Commands::Params {
            compression,
            key_type,
            parallelism,
        }) => {
            if compression.is_none() && key_type.is_none() && parallelism.is_none() {
                // If we don't have any arg, we show the current parameters
                show_params()
            } else {
                // Else, we update the parameters
                update_params(compression, key_type, parallelism);
            }
        }
        Some(Commands::Inspect { paths }) => {
            inspect_one_or_more_objects(&paths);
        }
        Some(Commands::Parameters {
            compression,
            key_type,
            parallelism,
        }) => {
            // Same we `Parameters`
            if compression.is_none() && key_type.is_none() && parallelism.is_none() {
                show_params()
            } else {
                update_params(compression, key_type, parallelism);
            }
        }
        None => {
            let path: Vec<String> = cli.path;
            // If we have a path, we treat it using `treat_object_with_path()`
            match path.len() {
                0 => launch_ui(&RealTuiInput),
                1 => match treat_object_with_path(&path[0], cli.password) {
                    Ok(output) => output.display(),
                    Err(e) => {
                        e.into_output()
                            .with_snippet(Snippet::cli_invocation("eck", &path[0]))
                            .display();
                    }
                },
                _ => match treat_objects_with_multiple_paths(&path, cli.password) {
                    Ok(()) => (),
                    Err(e) => e
                        .into_output()
                        .with_snippet(Snippet::cli_invocation("eck", &path[0]))
                        .display(),
                },
            }
        }
    }
}