package agent

import "testing"

func TestVersionLess(t *testing.T) {
	pseudo := "0.3.35-0.20260809165004-9e3c28d4b65"
	cases := []struct {
		name string
		a, b string
		want bool
	}{
		{name: "older release", a: "0.3.33", b: "0.3.34", want: true},
		{name: "newer release", a: "0.3.35", b: "0.3.34", want: false},
		{name: "pseudo after prior release", a: pseudo, b: "0.3.34", want: false},
		{name: "pseudo before final release", a: pseudo, b: "0.3.35", want: true},
		{name: "prior release before pseudo", a: "0.3.34", b: pseudo, want: true},
		{name: "decorated build", a: "0.3.33 (abc1234, 2026-08-09)", b: "0.3.34", want: true},
		{name: "invalid current", a: "not-a-version", b: "0.3.34", want: false},
	}
	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			if got := versionLess(tc.a, tc.b); got != tc.want {
				t.Fatalf("versionLess(%q, %q) = %v, want %v", tc.a, tc.b, got, tc.want)
			}
		})
	}
}

func TestBuildInfoDoesNotOfferPseudoVersionDowngrade(t *testing.T) {
	current := "0.3.35-0.20260809165004-9e3c28d4b65"
	info := buildInfo(current, "v0.3.34", "https://example.com/release")
	if info.Available {
		t.Fatalf("buildInfo(%q, %q) offered a downgrade", current, info.Latest)
	}
}