package store

import (
	"testing"
	"time"
)

func TestRenderInputsSemanticHashCanonicalAndIgnoresFetchState(t *testing.T) {
	now := time.Now().UTC()
	a := &RenderInputs{TenantID: "tenant", Modules: []RenderModule{
		{Module: &Module{ID: "b", Type: "CDN_CIDRS", Enabled: true}, CDNSources: []*CDNSource{{ID: "s2", URL: "https://b.test", Etag: "old"}, {ID: "s1", URL: "https://a.test", LastRefreshedAt: &now}}},
		{Module: &Module{ID: "a", Type: "IP_RANGES", Enabled: true}, IPRanges: []*IPRangeEntry{{ID: "r2", Prefix: "192.0.2.0/24"}, {ID: "r1", Prefix: "198.51.100.0/24"}}},
	}}
	b := &RenderInputs{TenantID: "tenant", Generation: 99, Modules: []RenderModule{
		{Module: &Module{ID: "a", Type: "IP_RANGES", Enabled: true}, IPRanges: []*IPRangeEntry{{ID: "r1", Prefix: "198.51.100.0/24"}, {ID: "r2", Prefix: "192.0.2.0/24"}}},
		{Module: &Module{ID: "b", Type: "CDN_CIDRS", Enabled: true}, CDNSources: []*CDNSource{{ID: "s1", URL: "https://a.test"}, {ID: "s2", URL: "https://b.test", Etag: "new"}}},
	}}
	ha, err := a.SemanticHash()
	if err != nil {
		t.Fatal(err)
	}
	hb, err := b.SemanticHash()
	if err != nil {
		t.Fatal(err)
	}
	if ha != hb {
		t.Fatalf("same semantic inputs have different hashes: %s %s", ha, hb)
	}
	b.Modules[1].CDNSources[0].URL = "https://changed.test"
	hb, err = b.SemanticHash()
	if err != nil {
		t.Fatal(err)
	}
	if ha == hb {
		t.Fatal("source URL change did not change hash")
	}
}