package config

import (
	"testing"
	"time"
)

func TestLoadDefaults(t *testing.T) {
	t.Setenv("ARIADNE_ENVIRONMENT", "")
	t.Setenv("ARIADNE_HTTP_ADDRESS", "")
	t.Setenv("ARIADNE_DATABASE_URL", "")
	t.Setenv("ARIADNE_DATABASE_IDENTITY_URL", "")
	t.Setenv("ARIADNE_DATABASE_MIGRATION_URL", "")
	t.Setenv("ARIADNE_DATABASE_RUNTIME_ROLE", "")
	t.Setenv("ARIADNE_DATABASE_IDENTITY_ROLE", "")
	t.Setenv("ARIADNE_MIGRATION_LOCK_TIMEOUT", "")
	t.Setenv("ARIADNE_IOP_ENDPOINT", "")
	t.Setenv("ARIADNE_SHUTDOWN_TIMEOUT", "")

	config, err := Load()
	if err != nil {
		t.Fatalf("Load() error = %v", err)
	}
	if config.Environment != "development" {
		t.Fatalf("Environment = %q, want development", config.Environment)
	}
	if config.HTTPAddress != ":8080" {
		t.Fatalf("HTTPAddress = %q, want :8080", config.HTTPAddress)
	}
	if config.ShutdownTimeout != 10*time.Second {
		t.Fatalf("ShutdownTimeout = %v, want 10s", config.ShutdownTimeout)
	}
	if config.MigrationLockTimeout != 30*time.Second {
		t.Fatalf("MigrationLockTimeout = %v, want 30s", config.MigrationLockTimeout)
	}
}

func TestLoadRejectsInvalidShutdownTimeout(t *testing.T) {
	t.Setenv("ARIADNE_SHUTDOWN_TIMEOUT", "later")

	if _, err := Load(); err == nil {
		t.Fatal("Load() expected an error")
	}
}

func TestLoadRejectsInvalidMigrationLockTimeout(t *testing.T) {
	t.Setenv("ARIADNE_MIGRATION_LOCK_TIMEOUT", "0s")

	if _, err := Load(); err == nil {
		t.Fatal("Load() expected an error")
	}
}