package config

import (
	"os"
	"strings"
	"testing"
)

func TestNonprodRealAcceptsConfiguredExternalEndpointsOnly(t *testing.T) {
	for _, tc := range []struct{ saas, mq string }{
		{"http://saas.example.invalid", "amqp://synthetic:placeholder@mq.example.invalid:5672/test"},
		{"https://saas.example.invalid", "amqps://synthetic:placeholder@mq.example.invalid:5671/test"},
	} {
		path := setCurrentDispatcherRuntimeEnvironment(t)
		t.Setenv("SAAS_BASE_URL", tc.saas)
		t.Setenv("RABBITMQ_URL", tc.mq)
		settings, err := LoadDispatcherRuntimeEnvironment("nonprod-real")
		if err != nil || settings.SaaSBaseURL != tc.saas || settings.RabbitMQURL != tc.mq {
			t.Fatalf("explicit endpoints were rejected or rewritten: %v", err)
		}
		if _, err := os.Stat(path); !os.IsNotExist(err) {
			t.Fatalf("validation opened SQLite: %v", err)
		}
	}
}

func TestMockAndSIPOnlyStillRejectExternalEndpoints(t *testing.T) {
	for _, mode := range []string{"mock", "sip-only"} {
		for _, name := range []string{"SAAS_BASE_URL", "RABBITMQ_URL"} {
			t.Run(mode+"/"+name, func(t *testing.T) {
				setDispatcherEnvironment(t)
				value := "https://external.example.invalid"
				if name == "RABBITMQ_URL" {
					value = "amqps://synthetic:placeholder@external.example.invalid/test"
				}
				t.Setenv(name, value)
				if _, err := LoadDispatcherEnvironment(mode); err == nil || strings.Contains(err.Error(), value) {
					t.Fatalf("isolated mode accepted an external address or echoed it: %v", err)
				}
			})
		}
	}
}

func TestNonprodRealRejectsMalformedEndpointsWithoutLeakingConfiguration(t *testing.T) {
	for _, tc := range []struct{ name, value string }{
		{"SAAS_BASE_URL", "not-a-url"},
		{"SAAS_BASE_URL", "ftp://external.example.invalid"},
		{"SAAS_BASE_URL", "https://external.example.invalid?secret=placeholder"},
		{"RABBITMQ_URL", "https://synthetic:placeholder@external.example.invalid"},
		{"RABBITMQ_URL", "amqp://synthetic:placeholder@external.example.invalid#fragment"},
	} {
		t.Run(tc.name+"/"+tc.value, func(t *testing.T) {
			path := setDispatcherEnvironment(t)
			t.Setenv(tc.name, tc.value)
			if _, err := LoadDispatcherEnvironment("nonprod-real"); err == nil || !strings.Contains(err.Error(), tc.name) || strings.Contains(err.Error(), tc.value) || strings.Contains(err.Error(), "placeholder") {
				t.Fatalf("malformed endpoint was accepted or exposed: %v", err)
			}
			if _, err := os.Stat(path); !os.IsNotExist(err) {
				t.Fatalf("rejected configuration opened SQLite: %v", err)
			}
		})
	}
}