//go:build linux

package main

import "testing"

func TestLinuxStartupChannelsPriorityAndArguments(t *testing.T) {
	t.Setenv("DISPLAY", ":0")
	t.Setenv("DBUS_SESSION_BUS_ADDRESS", "unix:path=/tmp/dbus")
	runner := &fakeCommandRunner{paths: map[string]bool{
		"notify-send": true,
		"kdialog":     true,
		"zenity":      true,
		"xmessage":    true,
	}}

	channels := platformStartupChannels(runner)
	if len(channels) != 5 {
		t.Fatalf("Linux 应有 5 个 UI 通道，实际: %d", len(channels))
	}

	req := promptRequest{title: "Nex 启动失败", message: "端口被占用"}
	for _, channel := range channels {
		if err := channel.available(); err != nil {
			t.Fatalf("通道 %s 应可用: %v", channel.name, err)
		}
		if err := channel.run(req); err != nil {
			t.Fatalf("通道 %s 执行失败: %v", channel.name, err)
		}
	}

	wantNames := []string{"notify-send", "kdialog", "zenity", "kdialog", "xmessage"}
	for i, want := range wantNames {
		if got := runner.calls[i].name; got != want {
			t.Fatalf("第 %d 个命令 = %s, want %s", i, got, want)
		}
	}
	if got := runner.calls[0].args; len(got) < 2 || got[0] != "-u" || got[1] != "critical" {
		t.Fatalf("notify-send 应使用 critical 参数，实际: %#v", got)
	}
	if got := runner.calls[1].args; len(got) < 3 || got[2] != "--passivepopup" {
		t.Fatalf("kdialog 第一跳应使用 passivepopup，实际: %#v", got)
	}
	if got := runner.calls[2].args; len(got) < 1 || got[0] != "--error" {
		t.Fatalf("zenity 应使用 --error，实际: %#v", got)
	}
	if got := runner.calls[4].args; len(got) < 1 || got[0] != "-center" {
		t.Fatalf("xmessage 应居中显示，实际: %#v", got)
	}
}

func TestLinuxNotifySendRequiresDBus(t *testing.T) {
	t.Setenv("DISPLAY", ":0")
	t.Setenv("DBUS_SESSION_BUS_ADDRESS", "")
	runner := &fakeCommandRunner{paths: map[string]bool{"notify-send": true}}

	channels := platformStartupChannels(runner)
	if err := channels[0].available(); err == nil {
		t.Fatal("notify-send 缺少 DBus session bus 时应不可用")
	}
}