package builder

import (
	"testing"

	"git.novox.be/novox/mesh-sdk/go/delivery"
)

// 1214/AC1: the inputs of three builds the live builder recorded a source fingerprint for, copied from mesh-sdk
// go/delivery/fingerprint_test.go (TestFingerprintLiveBuilds), where each value is captured, never written by hand.
func TestTheBuildersFingerprintEqualsWhatTheLiveBuilderRecorded(t *testing.T) {
	const ts = "typescript sha256:4b81682df5665c1f461d3f720a3a0fd7593f4aa71e4fc272dbfdc4bbd235b489 20125bd590041690"
	for _, c := range []struct {
		name     string
		in       sourceInputs
		recorded string
	}{
		{"mailu", sourceInputs{
			module:     "mailu",
			tree:       "cfc6fa8ff5fc1e220132e51ade653b9d3f387b3e",
			bases:      []string{"sha256:25f3cfeaceca14921366af4d1240b56457ef46273bdb508c7b0e8f469f6fd228"},
			toolchains: map[string]string{"code": ts},
		}, "src1:539f2e64000d436c572ef53b40e524012455945f8c5a1c6bb173ee0707e88ef4"},
		{"radarr", sourceInputs{
			module: "radarr",
			tree:   "42b9c918b5af75cba2bbc75845012e7f64e16df9",
			toolchains: map[string]string{
				"code":     ts,
				"tools-go": "go sha256:2054591ca034b68323d87ec887ba34f56819cb3364034360c0777da4b314dd54 0995d85edc9a6a23",
			},
		}, "src1:b3c150d39c395b99dd68974a48490e9a42467aa5d486d0c604d6ef1e8e9c910a"},
		{"build-agent", sourceInputs{
			module: "build-agent",
			tree:   "11c0b4f90cae0d6e4ef9cc48cbfdf9f6dbe52bca",
			bases: []string{
				"sha256:d9e853e87e55526f6b2917df91a2115c36dd7c696a35be12163d44e6e2a4b6bc",
				"sha256:8ac98ca534ac3f51e1f420a1dd2c15e74c75cfa0f23f3ad27eb5d7236c349a0c",
			},
			contexts: map[string]string{"server": "narrow:d51ca744fd11af59d616c858f76c27b3e58e16e11fbdc0c720eb9d7d19d55fac"},
		}, "src1:e846efe73716b78e80860baaac96153de2cb76551325753838ca245d2160a3d7"},
	} {
		if got := c.in.fingerprint(); got != c.recorded {
			t.Errorf("%s: fingerprint = %q, the live builder recorded %q", c.name, got, c.recorded)
		}
	}
}

// 1214/AC2: a build with no tree, or one that resolves packages when built, gets no fingerprint.
func TestABuildWithoutATreeOrUnpinnedGetsNoFingerprint(t *testing.T) {
	if (&sourceInputs{module: "app"}).fingerprint() != "" {
		t.Error("a build with no tree has a fingerprint")
	}
	s := &sourceInputs{module: "app", tree: "aaaa"}
	s.notPinned("it resolves packages from the mesh's registry at build time")
	if got := s.fingerprint(); got != "" {
		t.Errorf("an unpinned build has a fingerprint: %s", got)
	}
	if got := orNoTree(""); got != "its tree was not named" {
		t.Errorf("the reason for no tree = %q", got)
	}
	if got := orNoTree(s.unpinned); got != s.unpinned {
		t.Errorf("the reason for unpinned = %q", got)
	}
}

// 1214/AC3: the builder has no hash of its own: its fingerprint is what delivery.SourceFingerprint says, whatever
// that is (a stand-in proves it is called), and the reuse key does not move with it.
func TestTheBuilderFingerprintsWithTheSDKFunction(t *testing.T) {
	was := sourceFingerprint
	t.Cleanup(func() { sourceFingerprint = was })
	var got delivery.SourceInputs
	sourceFingerprint = func(in delivery.SourceInputs) (string, string) {
		got = in
		return "src1:stand-in", ""
	}
	s := &sourceInputs{module: "m", tree: "t", bases: []string{"x@sha256:a"}, contexts: map[string]string{"c": "ct"}, toolchains: map[string]string{"c": "go"}}
	if fp := s.fingerprint(); fp != "src1:stand-in" {
		t.Fatalf("fingerprint = %q, not the SDK function's", fp)
	}
	if got.Module != "m" || got.Tree != "t" || len(got.Bases) != 1 || got.Contexts["c"] != "ct" || got.Toolchains["c"] != "go" {
		t.Errorf("the SDK function was given %+v", got)
	}
}