feat: seed secure demo merchant identity

cmd/admin/main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"context"
+	"log/slog"
+	"os"
+	"time"
+
+	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/config"
+	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/database"
+	"git.amiirkhl.ir/starcoach-hackathon/zarinpal-analytics-backend/internal/identity"
+)
+
+func main() {
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
+	cfg, err := config.Load()
+	if err != nil {
+		logger.Error("configuration failed", "error", err)
+		os.Exit(1)
+	}
+	if err := cfg.ValidateSeed(); err != nil {
+		logger.Error("seed configuration failed", "error", err)
+		os.Exit(1)
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	pool, err := database.Open(ctx, cfg.DatabaseURL)
+	if err != nil {
+		logger.Error("database connection failed", "error", err)
+		os.Exit(1)
+	}
+	defer pool.Close()
+	result, err := identity.SeedDemo(ctx, pool, cfg.DemoUsername, cfg.DemoPassword)
+	if err != nil {
+		logger.Error("demo account seed failed", "error", err)
+		os.Exit(1)
+	}
+	logger.Info("demo account ready", "username", result.Username, "merchant_source_key", result.MerchantSourceKey,
+		"merchant_name", result.MerchantName, "password_source", "DEMO_PASSWORD")
+}