package app

import "testing"

func TestCanonicalizeAppKey(t *testing.T) {
	tests := []struct {
		name    string
		appKey  string
		command string
		want    string
	}{
		{
			name:    "path vs bare command normalized to lowercase basename",
			command: "/usr/bin/Google-Chrome-Stable --new-window",
			want:    "google-chrome-stable",
		},
		{
			name:    "quoted path with spaces",
			command: "'/opt/My Apps/Opera' --private",
			want:    "opera",
		},
		{
			name:    "env wrapper skips assignments",
			command: "env GTK_THEME=Adwaita /usr/bin/Brave-Browser --incognito",
			want:    "brave-browser",
		},
		{
			name:    "flatpak run app id",
			command: "flatpak run org.mozilla.Firefox",
			want:    "flatpak:org.mozilla.firefox",
		},
		{
			name:    "snap run app id",
			command: "snap run --experimental foo.Bar",
			want:    "snap:foo.bar",
		},
		{
			name:    "gtk-launch desktop id",
			command: "gtk-launch Org.Gnome.Nautilus.desktop",
			want:    "desktop:org.gnome.nautilus.desktop",
		},
		{
			name:   "explicit app key fallback",
			appKey: "Opera",
			want:   "opera",
		},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			got := canonicalizeAppKey(tc.appKey, tc.command)
			if got != tc.want {
				t.Fatalf("canonicalizeAppKey(%q,%q) = %q, want %q", tc.appKey, tc.command, got, tc.want)
			}
		})
	}
}

func TestSplitCommandTokens(t *testing.T) {
	in := `env A=1 "/opt/My App/bin/App" --flag="x y"`
	got := splitCommandTokens(in)
	want := []string{"env", "A=1", "/opt/My App/bin/App", "--flag=x y"}
	if len(got) != len(want) {
		t.Fatalf("tokens len=%d want=%d tokens=%v", len(got), len(want), got)
	}
	for i := range want {
		if got[i] != want[i] {
			t.Fatalf("token[%d]=%q want=%q all=%v", i, got[i], want[i], got)
		}
	}
}

func TestDedupeTrafficAppProfilesByCanonicalAppKey(t *testing.T) {
	in := []TrafficAppProfile{
		{
			ID:        "chrome-old",
			Target:    "VPN",
			AppKey:    "Google-Chrome-Stable",
			Command:   "/usr/bin/Google-Chrome-Stable --new-window",
			UpdatedAt: "2026-02-20T10:00:00Z",
		},
		{
			ID:        "chrome-new",
			Target:    "vpn",
			AppKey:    "google-chrome-stable",
			Command:   "google-chrome-stable --incognito",
			UpdatedAt: "2026-02-20T11:00:00Z",
		},
	}
	out, changed := dedupeTrafficAppProfiles(in)
	if !changed {
		t.Fatalf("expected changed=true")
	}
	if len(out) != 1 {
		t.Fatalf("expected 1 profile, got %d", len(out))
	}
	if out[0].ID != "chrome-new" {
		t.Fatalf("expected newest profile to win, got id=%q", out[0].ID)
	}
	if out[0].AppKey != "google-chrome-stable" {
		t.Fatalf("expected canonical app key, got %q", out[0].AppKey)
	}
}

func TestDedupeAppMarkItemsByCanonicalAppKey(t *testing.T) {
	in := []appMarkItem{
		{
			ID:      101,
			Target:  "VPN",
			AppKey:  "Opera",
			Command: "/usr/bin/Opera --private",
			AddedAt: "2026-02-20T10:00:00Z",
		},
		{
			ID:      202,
			Target:  "vpn",
			AppKey:  "opera",
			Command: "opera --new-window",
			AddedAt: "2026-02-20T11:00:00Z",
		},
	}
	out, changed := dedupeAppMarkItems(in)
	if !changed {
		t.Fatalf("expected changed=true")
	}
	if len(out) != 1 {
		t.Fatalf("expected 1 app mark item, got %d", len(out))
	}
	if out[0].ID != 202 {
		t.Fatalf("expected newest item to win, got id=%d", out[0].ID)
	}
	if out[0].AppKey != "opera" {
		t.Fatalf("expected canonical app key, got %q", out[0].AppKey)
	}
}