package domain

import "testing"

func TestPatternValidation(t *testing.T) {
	p := Pattern{Title: "demo", Width: 2, Height: 1, Cells: []*string{str("R"), nil}, Colors: []Color{{Code: "R", Hex: "#ff0000"}}, Visibility: "private"}
	if err := p.Validate(); err != nil {
		t.Fatal(err)
	}
	p.Cells[0] = str("missing")
	if p.Validate() == nil {
		t.Fatal("unknown color accepted")
	}
	p.Cells = []*string{}
	if p.Validate() == nil {
		t.Fatal("wrong grid size accepted")
	}
}
func str(s string) *string { return &s }
func TestTransitionAuthorization(t *testing.T) {
	cases := []struct {
		role, old, next string
		own             bool
		ok              bool
	}{{"guest", "pending", "cancelled", true, true}, {"guest", "accepted", "cancelled", true, false}, {"guest", "pending", "cancelled", false, false}, {"staff", "pending", "completed", false, false}, {"staff", "pending", "accepted", false, true}, {"admin", "accepted", "completed", false, true}}
	for _, c := range cases {
		if Transition(c.role, c.old, c.next, c.own) != c.ok {
			t.Fatalf("%+v", c)
		}
	}
}
func TestIdempotencyContent(t *testing.T) {
	if Fingerprint("help", "one", "") == Fingerprint("help", "two", "") {
		t.Fatal("different contents collide")
	}
	if Fingerprint("help", "one", "") != Fingerprint("help", "one", "") {
		t.Fatal("unstable fingerprint")
	}
}
func TestPrivateIsolation(t *testing.T) {
	p := Pattern{OwnerID: "owner", Visibility: "private", StoreID: "s1"}
	if CanRead(p, User{ID: "stranger", Role: "guest", StoreID: "s1"}) {
		t.Fatal("private pattern leaked")
	}
	if CanRead(p, User{ID: "admin", Role: "admin", StoreID: "s2"}) {
		t.Fatal("cross-store admin read")
	}
	if !CanRead(p, User{ID: "owner"}) {
		t.Fatal("owner denied")
	}
}