package config

import "testing"

func TestValidateRejectsNonLoopbackByDefault(t *testing.T) {
	t.Parallel()
	cfg := Config{
		HTTPAddress:       "0.0.0.0:8080",
		DatabaseDSN:       "file:test.db",
		MediaMTXURL:       "http://127.0.0.1:9997",
		ReconcileInterval: 1,
		ProbeInterval:     1,
	}
	if err := cfg.Validate(); err == nil {
		t.Fatal("expected non-loopback bind to be rejected")
	}
	cfg.AllowNonLoopback = true
	if err := cfg.Validate(); err != nil {
		t.Fatalf("explicit non-loopback opt-in failed: %v", err)
	}
}

func TestValidateRejectsCredentialsInMediaMTXURL(t *testing.T) {
	t.Parallel()
	cfg := Config{
		HTTPAddress:       "127.0.0.1:8080",
		DatabaseDSN:       "file:test.db",
		MediaMTXURL:       "http://" + "user" + ":" + "redacted" + "@127.0.0.1:9997",
		ReconcileInterval: 1,
		ProbeInterval:     1,
	}
	if err := cfg.Validate(); err == nil {
		t.Fatal("expected credentials in MediaMTX URL to be rejected")
	}
}

func TestValidateONVIFModeAndRewritePort(t *testing.T) {
	t.Parallel()
	cfg := Config{
		HTTPAddress:       "127.0.0.1:8080",
		DatabaseDSN:       "file:test.db",
		MediaMTXURL:       "http://127.0.0.1:9997",
		ReconcileInterval: 1,
		ProbeInterval:     1,
		ONVIFMode:         "standard",
		RTSPRewriteHost:   "127.0.0.1",
		RTSPRewritePort:   10554,
	}
	if err := cfg.Validate(); err != nil {
		t.Fatalf("valid ONVIF configuration failed: %v", err)
	}
	cfg.ONVIFMode = "vendor"
	if err := cfg.Validate(); err == nil {
		t.Fatal("unknown ONVIF mode must be rejected")
	}
	cfg.ONVIFMode = "standard"
	cfg.RTSPRewritePort = 65536
	if err := cfg.Validate(); err == nil {
		t.Fatal("invalid RTSP rewrite port must be rejected")
	}
}

func TestLoadRTSPStripQueryOptIn(t *testing.T) {
	t.Setenv("SENSE_ONVIF_RTSP_STRIP_QUERY", "true")
	cfg, err := Load()
	if err != nil {
		t.Fatal(err)
	}
	if !cfg.RTSPStripQuery {
		t.Fatal("explicit RTSP query stripping was not loaded")
	}
}

func TestValidateDatabaseDriver(t *testing.T) {
	t.Parallel()
	cfg := Config{
		HTTPAddress:       "127.0.0.1:8080",
		DatabaseDriver:    "postgres",
		DatabaseDSN:       "file:test.db",
		MediaMTXURL:       "http://127.0.0.1:9997",
		ReconcileInterval: 1,
		ProbeInterval:     1,
	}
	if err := cfg.Validate(); err == nil {
		t.Fatal("postgres driver must reject the SQLite default DSN")
	}
	cfg.DatabaseDSN = "postgres://sense-runtime@127.0.0.1/yovision?sslmode=disable"
	if err := cfg.Validate(); err != nil {
		t.Fatalf("valid PostgreSQL selection failed: %v", err)
	}
	cfg.DatabaseDriver = "mysql"
	if err := cfg.Validate(); err == nil {
		t.Fatal("unknown database driver must be rejected")
	}
}