1 files changed, 79 insertions, 6 deletions
diff --git a/src/pkgtoolkit/pkgtools.rs b/src/pkgtoolkit/pkgtools.rs
index d124c2b..7197d9e 100644
--- a/src/pkgtoolkit/pkgtools.rs
+++ b/src/pkgtoolkit/pkgtools.rs
@@ -1,13 +1,86 @@
-use std::fs::File; 
-use tar::Archive; 
+use crate::cfg::config::Config;
 
-pub struct Package { 
-    BuildScript: String, 
-    Name: String, 
-    Version: String
+use std::fs::{File, create_dir_all};
+use std::path::Path;
+use flate2::read::GzDecoder;
+use tar::Archive;
+
+pub enum arch {
+    x86_64,
+    aarch64,
+    x86,
+}
+
+pub struct Package {
+    name: String, 
+    version: String, 
+    arch: arch, 
+    descr: String,
 }
 
 impl Package { 
+    
+    /// Checks if the archive contains INSTALL, SETTS and BUILD files.
+    ///
+    /// Checks if INSTALL file exists and is not empty. If it does not exist or is empty, returns an error.
+    ///
+    /// Checks if SETTS and BUILD files exist and are not empty. If they do not exist or are empty, logs a warning.
+    /// 
+    /// * Returns an error if INSTALL file does not exist or is empty.
+    /// * Returns an error if INSTALL file is empty.
+    ///
+    // TODO: Add meta-files validation here. 
+    pub fn check(path_to_archive: String) -> Result<bool, std::io::Error> {
+    let config: Config = Config::parse().unwrap(); 
+
+    create_dir_all(&config.paths.cache_dir)?;
+
+    let file = File::open(&path_to_archive)?;
+    let gz = GzDecoder::new(file);
+    let mut archive = Archive::new(gz);
+
+    archive.unpack(&config.paths.cache_dir)?;
+
+    let install_path = Path::new(&config.paths.cache_dir).join("INSTALL");
+    let setts_path = Path::new(&config.paths.cache_dir).join("SETTS");
+    let build_path = Path::new(&config.paths.cache_dir).join("BUILD");
+
+    if !install_path.exists() {
+        return Err(std::io::Error::new(
+            std::io::ErrorKind::NotFound,
+            "INSTALL file not found in archive",
+        ));
+    }
+
+    let install_content = std::fs::read_to_string(&install_path)?;
+    if install_content.trim().is_empty() {
+        return Err(std::io::Error::new(
+            std::io::ErrorKind::InvalidData,
+            "INSTALL file is empty",
+        ));
+    }
+
+    if !setts_path.exists() {
+        log::warn!("SETTS file not found in archive. Make sure you dont need this.");
+    } else {
+        let setts_content = std::fs::read_to_string(&setts_path)?;
+        if setts_content.trim().is_empty() {
+            log::warn!("SETTS file is empty. Make sure you dont need this.");
+        }
+    }
+
+    if !build_path.exists() {
+        log::warn!("BUILD file not found in archive. Make sure you dont need this.");
+    } else {
+        let build_content = std::fs::read_to_string(&build_path)?;
+        if build_content.trim().is_empty() {
+            log::warn!("BUILD file is empty. Make sure you dont need this.");
+        }
+    }
+
+    Ok(true)
+}
+
     pub fn build() -> Result<bool, std::io::Error> {
         todo!();  
     }