1 files changed, 120 insertions, 0 deletions
diff --git a/internal/cli/cli.go b/internal/cli/cli.go
new file mode 100644
index 0000000..1085ea3
--- /dev/null
+++ b/internal/cli/cli.go
@@ -0,0 +1,120 @@
+package cli
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/goprecords/internal/goprecords"
+	"github.com/goprecords/internal/version"
+)
+
+// Execute parses command‑line arguments and runs the appropriate sub‑command.
+func Execute(args []string) error {
+	// Handle version flag early.
+	if len(args) > 0 && (args[0] == "-version" || args[0] == "--version") {
+		fmt.Println(version.Version)
+		return nil
+	}
+
+	// No subcommand – treat args as flags for a direct report from files.
+	if len(args) == 0 {
+		return runReportFromFiles(nil)
+	}
+
+	switch args[0] {
+	case "import":
+		return runImport(args[1:])
+	case "query":
+		return runQuery(args[1:])
+	case "test":
+		return runTests()
+	default:
+		return runReportFromFiles(args)
+	}
+}
+
+func runImport(args []string) error {
+	fs := flag.NewFlagSet("import", flag.ExitOnError)
+	statsDir := fs.String("stats-dir", "", "Directory containing .records files (required)")
+	dbPath := fs.String("db", "goprecords.db", "SQLite database path")
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+	if *statsDir == "" {
+		fmt.Fprintln(os.Stderr, "import: missing required flag: -stats-dir")
+		fs.Usage()
+		return fmt.Errorf("missing -stats-dir")
+	}
+	db, err := goprecords.OpenDB(*dbPath)
+	if err != nil {
+		return fmt.Errorf("open db: %w", err)
+	}
+	defer db.Close()
+	ctx := context.Background()
+	if err := goprecords.CreateSchema(ctx, db); err != nil {
+		return fmt.Errorf("schema: %w", err)
+	}
+	if err := goprecords.ImportFromDir(ctx, db, *statsDir); err != nil {
+		return fmt.Errorf("import: %w", err)
+	}
+	fmt.Fprintf(os.Stderr, "imported %s into %s\n", *statsDir, *dbPath)
+	return nil
+}
+
+func runQuery(args []string) error {
+	fs := flag.NewFlagSet("query", flag.ExitOnError)
+	dbPath := fs.String("db", "goprecords.db", "SQLite database path")
+	rf := goprecords.RegisterReportFlags(fs)
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+	db, err := goprecords.OpenDB(*dbPath)
+	if err != nil {
+		return fmt.Errorf("open db: %w", err)
+	}
+	defer db.Close()
+	ctx := context.Background()
+	aggregates, err := goprecords.LoadAggregates(ctx, db)
+	if err != nil {
+		return fmt.Errorf("load: %w", err)
+	}
+	cfg, err := rf.Parse()
+	if err != nil {
+		return err
+	}
+	return goprecords.WriteReports(os.Stdout, aggregates, cfg)
+}
+
+func runReportFromFiles(args []string) error {
+	if args == nil {
+		args = []string{}
+	}
+	fs := flag.NewFlagSet("goprecords", flag.ExitOnError)
+	statsDir := fs.String("stats-dir", "", "The uptimed raw record input dir (required)")
+	rf := goprecords.RegisterReportFlags(fs)
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+	if *statsDir == "" {
+		fmt.Fprintln(os.Stderr, "missing required flag: -stats-dir")
+		fs.Usage()
+		return fmt.Errorf("missing -stats-dir")
+	}
+	cfg, err := rf.Parse()
+	if err != nil {
+		return err
+	}
+	ctx := context.Background()
+	aggr := goprecords.NewAggregator(*statsDir)
+	aggregates, err := aggr.Aggregate(ctx)
+	if err != nil {
+		return err
+	}
+	return goprecords.WriteReports(os.Stdout, aggregates, cfg)
+}
+
+func runTests() error {
+	return goprecords.RunIntegrationTests("./fixtures")
+}