package extractor

import (
	"strings"
	"testing"
)

func TestMergeOptions_StealthDefault(t *testing.T) {
	base := BrowserOptions{Stealth: Bool(true)}
	got := mergeOptions(base, nil)
	if got.Stealth == nil || !*got.Stealth {
		t.Fatal("expected stealth to default to true")
	}
}

func TestMergeOptions_StealthOverrideFalse(t *testing.T) {
	base := BrowserOptions{Stealth: Bool(true)}
	got := mergeOptions(base, []BrowserOptions{{Stealth: Bool(false)}})
	if got.Stealth == nil || *got.Stealth {
		t.Fatal("expected stealth to be overridden to false")
	}
}

func TestMergeOptions_LaunchArgsAppend(t *testing.T) {
	base := BrowserOptions{LaunchArgs: []string{"--arg1"}}
	got := mergeOptions(base, []BrowserOptions{{LaunchArgs: []string{"--arg2", "--arg3"}}})
	if len(got.LaunchArgs) != 3 {
		t.Fatalf("expected 3 launch args, got %d", len(got.LaunchArgs))
	}
	if got.LaunchArgs[0] != "--arg1" || got.LaunchArgs[1] != "--arg2" || got.LaunchArgs[2] != "--arg3" {
		t.Fatalf("unexpected launch args: %v", got.LaunchArgs)
	}
}

func TestMergeOptions_InitScriptsAppend(t *testing.T) {
	base := BrowserOptions{InitScripts: []string{"script1"}}
	got := mergeOptions(base, []BrowserOptions{{InitScripts: []string{"script2"}}})
	if len(got.InitScripts) != 2 {
		t.Fatalf("expected 2 init scripts, got %d", len(got.InitScripts))
	}
	if got.InitScripts[0] != "script1" || got.InitScripts[1] != "script2" {
		t.Fatalf("unexpected init scripts: %v", got.InitScripts)
	}
}

func TestMergeOptions_StealthNilDoesNotOverride(t *testing.T) {
	base := BrowserOptions{Stealth: Bool(true)}
	got := mergeOptions(base, []BrowserOptions{{Stealth: nil}})
	if got.Stealth == nil || !*got.Stealth {
		t.Fatal("expected stealth to remain true when override is nil")
	}
}

func TestStealthChromiumArgs(t *testing.T) {
	if len(stealthChromiumArgs) == 0 {
		t.Fatal("expected at least one chromium stealth arg")
	}
	found := false
	for _, arg := range stealthChromiumArgs {
		if arg == "--disable-blink-features=AutomationControlled" {
			found = true
		}
	}
	if !found {
		t.Fatal("expected --disable-blink-features=AutomationControlled in stealth chromium args")
	}
}

func TestStealthInitScripts(t *testing.T) {
	if len(stealthInitScripts) == 0 {
		t.Fatal("expected at least one stealth init script")
	}
}

func TestStealthInitScripts_Count(t *testing.T) {
	if len(stealthInitScripts) != 12 {
		t.Fatalf("expected 12 stealth init scripts, got %d", len(stealthInitScripts))
	}
}

func TestStealthInitScripts_WebGLSpoof(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "SwiftShader") || strings.Contains(s, "UNMASKED_RENDERER") || strings.Contains(s, "37446") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that spoofs WebGL renderer")
	}
}

func TestStealthInitScripts_ChromeApp(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "chrome.app") && strings.Contains(s, "chrome.csi") && strings.Contains(s, "chrome.loadTimes") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that stubs chrome.app, chrome.csi, and chrome.loadTimes")
	}
}

func TestStealthInitScripts_PermissionsQuery(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "permissions.query") && strings.Contains(s, "notifications") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that overrides permissions.query for notifications")
	}
}

func TestStealthInitScripts_Notification(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "Notification") && strings.Contains(s, "requestPermission") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that stubs Notification constructor")
	}
}

func TestStealthInitScripts_NavigatorConnection(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "connection") && strings.Contains(s, "effectiveType") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that stubs navigator.connection")
	}
}

func TestStealthInitScripts_CDPCleanup(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "cdc_") && strings.Contains(s, "delete") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that cleans up CDP artifacts")
	}
}

func TestStealthInitScripts_UserAgentStrip(t *testing.T) {
	found := false
	for _, s := range stealthInitScripts {
		if strings.Contains(s, "HeadlessChrome") && strings.Contains(s, "userAgent") {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("expected a stealth script that strips HeadlessChrome from user agent")
	}
}