v0.3.0 storage with sqlite3 and pid management added

cmd/chessd/cli/cli.go

@@ -0,0 +1,131 @@
+// FILE: cmd/chessd/cli/cli.go
+package cli
+
+import (
+	"chess/internal/storage"
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+	"text/tabwriter"
+)
+
+// Run is the entry point for the CLI mini-app
+func Run(args []string) error {
+	if len(args) == 0 {
+		return fmt.Errorf("subcommand required: init, delete, or query")
+	}
+
+	switch args[0] {
+	case "init":
+		return runInit(args[1:])
+	case "delete":
+		return runDelete(args[1:])
+	case "query":
+		return runQuery(args[1:])
+	default:
+		return fmt.Errorf("unknown subcommand: %s", args[0])
+	}
+}
+
+func runInit(args []string) error {
+	fs := flag.NewFlagSet("init", flag.ContinueOnError)
+	path := fs.String("path", "", "Database file path (required)")
+
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+
+	if *path == "" {
+		return fmt.Errorf("database path required")
+	}
+
+	store, err := storage.NewStore(*path, false)
+	if err != nil {
+		return fmt.Errorf("failed to create store: %w", err)
+	}
+	defer store.Close()
+
+	if err := store.InitDB(); err != nil {
+		return fmt.Errorf("failed to initialize database: %w", err)
+	}
+
+	fmt.Printf("Database initialized at: %s\n", *path)
+	return nil
+}
+
+func runDelete(args []string) error {
+	fs := flag.NewFlagSet("delete", flag.ContinueOnError)
+	path := fs.String("path", "", "Database file path (required)")
+
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+
+	if *path == "" {
+		return fmt.Errorf("database path required")
+	}
+
+	store, err := storage.NewStore(*path, false)
+	if err != nil {
+		return fmt.Errorf("failed to open store: %w", err)
+	}
+
+	if err := store.DeleteDB(); err != nil {
+		return fmt.Errorf("failed to delete database: %w", err)
+	}
+
+	fmt.Printf("Database deleted: %s\n", *path)
+	return nil
+}
+
+func runQuery(args []string) error {
+	fs := flag.NewFlagSet("query", flag.ContinueOnError)
+	path := fs.String("path", "", "Database file path (required)")
+	gameID := fs.String("gameId", "", "Game ID to filter (optional, * for all)")
+	playerID := fs.String("playerId", "", "Player ID to filter (optional, * for all)")
+
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+
+	if *path == "" {
+		return fmt.Errorf("database path required")
+	}
+
+	store, err := storage.NewStore(*path, false)
+	if err != nil {
+		return fmt.Errorf("failed to open store: %w", err)
+	}
+	defer store.Close()
+
+	games, err := store.QueryGames(*gameID, *playerID)
+	if err != nil {
+		return fmt.Errorf("query failed: %w", err)
+	}
+
+	if len(games) == 0 {
+		fmt.Println("No games found")
+		return nil
+	}
+
+	// Print results in tabular format
+	w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
+	fmt.Fprintln(w, "Game ID\tWhite Player\tBlack Player\tStart Time")
+	fmt.Fprintln(w, strings.Repeat("-", 80))
+
+	for _, g := range games {
+		whiteInfo := fmt.Sprintf("%s (T%d)", g.WhitePlayerID[:8], g.WhiteType)
+		blackInfo := fmt.Sprintf("%s (T%d)", g.BlackPlayerID[:8], g.BlackType)
+		fmt.Fprintf(w, "%s\t%s\t%s\t%s\n",
+			g.GameID[:8]+"...",
+			whiteInfo,
+			blackInfo,
+			g.StartTimeUTC.Format("2006-01-02 15:04:05"),
+		)
+	}
+	w.Flush()
+
+	fmt.Printf("\nFound %d game(s)\n", len(games))
+	return nil
+}