Add initial versionHEADmain

1 files changed, 72 insertions, 0 deletions

diff --git a/src/nvd/cli/main.py b/src/nvd/cli/main.py
new file mode 100644
index 0000000..fc90fe5
--- /dev/null
+++ b/src/nvd/cli/main.py
@@ -0,0 +1,72 @@
+"""Main CLI entry point."""
+
+import sys
+
+import typer
+from rich.console import Console
+from rich.panel import Panel
+from rich.text import Text
+
+from .commands import config, cpe, cve
+
+# Enable -h as shorthand for --help
+CONTEXT_SETTINGS = {"help_option_names": ["-h", "--help"]}
+
+app = typer.Typer(
+    name="nvdb",
+    help="NVD API CLI - Query the US National Vulnerability Database",
+    add_completion=False,
+    rich_markup_mode="rich",
+    context_settings=CONTEXT_SETTINGS,
+)
+
+# Console for stderr (help messages, examples)
+console = Console(stderr=True)
+
+
+def show_examples() -> None:
+    """Show usage examples."""
+    examples = Text()
+    examples.append("Quick Examples:\n\n", style="bold cyan")
+    examples.append("  # Get a specific CVE\n", style="dim")
+    examples.append("  nvdb cve get CVE-2021-44228\n\n", style="green")
+    examples.append("  # Search for critical vulnerabilities\n", style="dim")
+    examples.append("  nvdb cve search --severity CRITICAL --limit 10\n\n", style="green")
+    examples.append("  # Search CVEs in CISA KEV catalog\n", style="dim")
+    examples.append("  nvdb cve search --has-kev --limit 20\n\n", style="green")
+    examples.append("  # Search CPEs\n", style="dim")
+    examples.append("  nvdb cpe search --keyword 'windows 10'\n\n", style="green")
+    examples.append("  # Configure API key\n", style="dim")
+    examples.append("  nvdb config set-api-key YOUR_API_KEY\n\n", style="green")
+    examples.append("Get help for specific commands:\n", style="bold yellow")
+    examples.append("  nvdb cve --help\n", style="blue")
+    examples.append("  nvdb cpe --help\n", style="blue")
+    examples.append("  nvdb config --help\n", style="blue")
+
+    console.print(Panel(examples, title="[bold]nvdb - NVD API CLI[/bold]", border_style="blue"))
+
+
+@app.callback(invoke_without_command=True)
+def main_callback(ctx: typer.Context) -> None:
+    """Main callback to show examples when no command is provided."""
+    if ctx.invoked_subcommand is None and len(sys.argv) == 1:
+        show_examples()
+        raise typer.Exit()
+
+
+# Register command groups
+app.add_typer(cve.app, name="cve", help="CVE (vulnerability) commands")
+app.add_typer(cpe.app, name="cpe", help="CPE (product) commands")
+app.add_typer(config.app, name="config", help="Configuration commands")
+
+
+@app.command()
+def version() -> None:
+    """Show version information."""
+    from .. import __version__
+
+    console.print(f"nvdb-py version: {__version__}")
+
+
+if __name__ == "__main__":
+    app()