1 files changed, 198 insertions, 0 deletions
diff --git a/nres-cli/src/main.rs b/nres-cli/src/main.rs
new file mode 100644
index 0000000..85086cb
--- /dev/null
+++ b/nres-cli/src/main.rs
@@ -0,0 +1,198 @@
+extern crate core;
+extern crate libnres;
+
+use std::io::Write;
+
+use clap::{Parser, Subcommand};
+use miette::{IntoDiagnostic, Result};
+
+#[derive(Parser, Debug)]
+#[command(name = "NRes CLI")]
+#[command(about, author, version, long_about = None)]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand, Debug)]
+enum Commands {
+    /// Check if the "NRes" file can be extract
+    Check {
+        /// "NRes" file
+        file: String,
+    },
+    /// Print debugging information on the "NRes" file
+    #[command(arg_required_else_help = true)]
+    Debug {
+        /// "NRes" file
+        file: String,
+        /// Filter results by file name
+        #[arg(long)]
+        name: Option<String>,
+    },
+    /// Extract files or a file from the "NRes" file
+    #[command(arg_required_else_help = true)]
+    Extract {
+        /// "NRes" file
+        file: String,
+        /// Overwrite files
+        #[arg(short, long, default_value_t = false, value_name = "TRUE|FALSE")]
+        force: bool,
+        /// Outbound directory
+        #[arg(short, long, value_name = "DIR")]
+        out: String,
+    },
+    /// Print a list of files in the "NRes" file
+    #[command(arg_required_else_help = true)]
+    Ls {
+        /// "NRes" file
+        file: String,
+    },
+}
+
+pub fn main() -> Result<()> {
+    let stdout = console::Term::stdout();
+    let cli = Cli::parse();
+
+    match cli.command {
+        Commands::Check { file } => command_check(stdout, file)?,
+        Commands::Debug { file, name } => command_debug(stdout, file, name)?,
+        Commands::Extract { file, force, out } => command_extract(stdout, file, out, force)?,
+        Commands::Ls { file } => command_ls(stdout, file)?,
+    }
+
+    Ok(())
+}
+
+fn command_check(_stdout: console::Term, file: String) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let list = libnres::reader::get_list(&file).into_diagnostic()?;
+    let tmp = tempdir::TempDir::new("nres").into_diagnostic()?;
+    let bar = indicatif::ProgressBar::new(list.len() as u64);
+
+    bar.set_style(get_bar_style()?);
+
+    for element in list {
+        bar.set_message(element.get_filename());
+
+        let path = tmp.path().join(element.get_filename());
+        let mut output = std::fs::File::create(path).into_diagnostic()?;
+        let mut buffer = libnres::reader::get_file(&file, &element).into_diagnostic()?;
+
+        output.write_all(&buffer).into_diagnostic()?;
+        buffer.clear();
+        bar.inc(1);
+    }
+
+    bar.finish();
+
+    Ok(())
+}
+
+fn command_debug(stdout: console::Term, file: String, name: Option<String>) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let mut list = libnres::reader::get_list(&file).into_diagnostic()?;
+
+    let mut total_files_size: u32 = 0;
+    let mut total_files_gap: u32 = 0;
+    let mut total_files: u32 = 0;
+
+    for (index, item) in list.iter().enumerate() {
+        total_files_size += item.size;
+        total_files += 1;
+        let mut gap = 0;
+
+        if index > 1 {
+            let previous_item = &list[index - 1];
+            gap = item.position - (previous_item.position + previous_item.size);
+        }
+
+        total_files_gap += gap;
+    }
+
+    if let Some(name) = name {
+        list.retain(|item| item.name.contains(&name));
+    };
+
+    for (index, item) in list.iter().enumerate() {
+        let mut gap = 0;
+
+        if index > 1 {
+            let previous_item = &list[index - 1];
+            gap = item.position - (previous_item.position + previous_item.size);
+        }
+
+        let text = format!("Index: {};\nGap: {};\nItem: {:#?};\n", index, gap, item);
+        stdout.write_line(&text).into_diagnostic()?;
+    }
+
+    let text = format!(
+        "Total files: {};\nTotal files gap: {} (bytes);\nTotal files size: {} (bytes);",
+        total_files, total_files_gap, total_files_size
+    );
+
+    stdout.write_line(&text).into_diagnostic()?;
+
+    Ok(())
+}
+
+fn command_extract(_stdout: console::Term, file: String, out: String, force: bool) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let list = libnres::reader::get_list(&file).into_diagnostic()?;
+    let bar = indicatif::ProgressBar::new(list.len() as u64);
+
+    bar.set_style(get_bar_style()?);
+
+    for element in list {
+        bar.set_message(element.get_filename());
+
+        let path = format!("{}/{}", out, element.get_filename());
+
+        if !force && is_exist_file(&path) {
+            let message = format!("File \"{}\" exists. Overwrite it?", path);
+
+            if !dialoguer::Confirm::new()
+                .with_prompt(message)
+                .interact()
+                .into_diagnostic()?
+            {
+                continue;
+            }
+        }
+
+        let mut output = std::fs::File::create(path).into_diagnostic()?;
+        let mut buffer = libnres::reader::get_file(&file, &element).into_diagnostic()?;
+
+        output.write_all(&buffer).into_diagnostic()?;
+        buffer.clear();
+        bar.inc(1);
+    }
+
+    bar.finish();
+
+    Ok(())
+}
+
+fn command_ls(stdout: console::Term, file: String) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let list = libnres::reader::get_list(&file).into_diagnostic()?;
+
+    for element in list {
+        stdout.write_line(&element.name).into_diagnostic()?;
+    }
+
+    Ok(())
+}
+
+fn get_bar_style() -> Result<indicatif::ProgressStyle> {
+    Ok(
+        indicatif::ProgressStyle::with_template("[{bar:32}] {pos:>7}/{len:7} {msg}")
+            .into_diagnostic()?
+            .progress_chars("=>-"),
+    )
+}
+
+fn is_exist_file(path: &String) -> bool {
+    let metadata = std::path::Path::new(path);
+    metadata.exists()
+}