use clap::{Parser, Subcommand};
use tracing::info;

mod apt;
mod ostree;
mod system;
mod error;
mod apt_ostree_integration;
mod filesystem_assembly;
mod dependency_resolver;
mod script_execution;
mod apt_database;
mod bubblewrap_sandbox;
mod ostree_commit_manager;
mod package_manager;
mod permissions;
mod ostree_detection;
mod compose;
mod daemon_client;
mod oci;
mod monitoring;
mod security;

#[cfg(test)]
mod tests;

#[derive(Parser)]
#[command(name = "apt-ostree")]
#[command(about = "Debian/Ubuntu equivalent of rpm-ostree")]
#[command(version = env!("CARGO_PKG_VERSION"))]
struct Cli {
    #[command(subcommand)]
    command: Commands,
}

#[derive(Subcommand)]
enum Commands {
    /// Show system status
    Status {
        /// JSON output
        #[arg(long)]
        json: bool,
        /// Verbose output
        #[arg(long, short)]
        verbose: bool,
    },
    /// List installed packages
    List {
        /// Show package details
        #[arg(long)]
        verbose: bool,
    },
    /// Search for packages
    Search {
        /// Search query
        query: String,
        /// JSON output
        #[arg(long)]
        json: bool,
        /// Show package details
        #[arg(long)]
        verbose: bool,
    },
    /// Show package information
    Info {
        /// Package name
        package: String,
    },
    /// Install packages
    Install {
        /// Packages to install
        packages: Vec<String>,
        /// Dry run mode
        #[arg(long)]
        dry_run: bool,
        /// Yes to all prompts
        #[arg(long, short)]
        yes: bool,
    },
    /// Remove packages
    Remove {
        /// Packages to remove
        packages: Vec<String>,
        /// Dry run mode
        #[arg(long)]
        dry_run: bool,
        /// Yes to all prompts
        #[arg(long, short)]
        yes: bool,
    },
    /// Upgrade system
    Upgrade {
        /// Preview mode
        #[arg(long)]
        preview: bool,
        /// Check mode
        #[arg(long)]
        check: bool,
        /// Dry run mode
        #[arg(long)]
        dry_run: bool,
        /// Reboot after upgrade
        #[arg(long)]
        reboot: bool,
        /// Allow downgrade
        #[arg(long)]
        allow_downgrade: bool,
    },
    /// Show version
    Version,
}

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Initialize tracing
    tracing_subscriber::fmt::init();
    
    let cli = Cli::parse();
    
    match cli.command {
        Commands::Status { json, verbose } => {
            info!("Status command called with json={}, verbose={}", json, verbose);
            println!("System Status:");
            println!("  Booted deployment: apt-ostree/0/0");
            println!("  Pending deployment: None");
            println!("  Available deployments:");
            println!("    * apt-ostree/0/0 (current)");
            if json {
                println!("{{\"status\": \"mock\"}}");
            }
        },
        Commands::List { verbose } => {
            info!("List command called with verbose={}", verbose);
            println!("Installed packages:");
            if verbose {
                println!("  apt-ostree/0.1.0-1 (installed)");
                println!("  libostree-1-1/2025.2-1 (installed)");
            } else {
                println!("  apt-ostree");
                println!("  libostree-1-1");
            }
        },
        Commands::Search { query, json, verbose } => {
            info!("Search command called with query='{}', json={}, verbose={}", query, json, verbose);
            println!("Searching for packages matching '{}'", query);
            if json {
                println!("{{\"results\": [\"mock-package\"]}}");
            } else {
                println!("mock-package - Mock package for testing");
            }
        },
        Commands::Info { package } => {
            info!("Info command called for package '{}'", package);
            println!("Package: {}", package);
            println!("Version: 1.0.0");
            println!("Description: Mock package for testing");
        },
        Commands::Install { packages, dry_run, yes } => {
            info!("Install command called with packages={:?}, dry_run={}, yes={}", packages, dry_run, yes);
            if dry_run {
                println!("Dry run: Would install packages: {:?}", packages);
            } else {
                println!("Installing packages: {:?}", packages);
            }
        },
        Commands::Remove { packages, dry_run, yes } => {
            info!("Remove command called with packages={:?}, dry_run={}, yes={}", packages, dry_run, yes);
            if dry_run {
                println!("Dry run: Would remove packages: {:?}", packages);
            } else {
                println!("Removing packages: {:?}", packages);
            }
        },
        Commands::Upgrade { preview, check, dry_run, reboot, allow_downgrade } => {
            info!("Upgrade command called with preview={}, check={}, dry_run={}, reboot={}, allow_downgrade={}", 
                  preview, check, dry_run, reboot, allow_downgrade);
            if preview || check || dry_run {
                println!("Dry run: Would upgrade system");
            } else {
                println!("Upgrading system...");
            }
        },
        Commands::Version => {
            println!("apt-ostree {}", env!("CARGO_PKG_VERSION"));
        },
    }
    
    Ok(())
}
