package main

import (
	"sort"
	"strings"
	"testing"
)

var knownHere = map[string]bool{"@novox/mesh-sdk": true, "@novox/ui": true, "sdk": true}

func pins(ps []Pinned) string {
	var out []string
	for _, p := range ps {
		out = append(out, p.Package+"@"+p.Version)
	}
	sort.Strings(out)
	return strings.Join(out, " ")
}

func TestAManifestNamesItsRegistryRangesAndNothingElse(t *testing.T) {
	got, err := ReadManifest([]byte(`{
		"dependencies": {"@novox/mesh-sdk": "^0.1.0", "left-pad": "^1.0.0", "@novox/ui": "file:../ui"},
		"devDependencies": {"sdk": "npm:@novox/ui@~2.0.0"},
		"peerDependencies": {"@novox/ui": "workspace:*"},
		"optionalDependencies": {"@novox/ui": "1.x"}
	}`), "r:package.json", knownHere)
	if err != nil {
		t.Fatal(err)
	}
	var said []string
	for _, w := range got {
		said = append(said, w.Package+" "+w.Range)
	}
	sort.Strings(said)
	if strings.Join(said, ",") != "@novox/mesh-sdk ^0.1.0,@novox/ui 1.x,@novox/ui ~2.0.0" {
		t.Fatalf("read %v", said)
	}
}

func TestAnNpmLockfileOfEveryVersionNamesWhatItPins(t *testing.T) {
	v3 := `{"lockfileVersion":3,"packages":{"":{"name":"x"},
		"node_modules/@novox/mesh-sdk":{"version":"0.1.3"},
		"node_modules/a/node_modules/@novox/mesh-sdk":{"version":"0.1.1"},
		"node_modules/sdk":{"name":"@novox/ui","version":"2.0.4"},
		"node_modules/left-pad":{"version":"1.3.0"}}}`
	got, err := ReadLock("package-lock.json", []byte(v3), "r:package-lock.json", knownHere)
	if err != nil {
		t.Fatal(err)
	}
	if pins(got) != "@novox/mesh-sdk@0.1.1 @novox/mesh-sdk@0.1.3 @novox/ui@2.0.4" {
		t.Fatalf("v3: %s", pins(got))
	}
	v1 := `{"lockfileVersion":1,"dependencies":{"@novox/mesh-sdk":{"version":"0.1.2","dependencies":{"@novox/ui":{"version":"1.0.0"}}},
		"sdk":{"version":"npm:@novox/ui@2.0.1"}}}`
	got, err = ReadLock("npm-shrinkwrap.json", []byte(v1), "r", knownHere)
	if err != nil {
		t.Fatal(err)
	}
	if pins(got) != "@novox/mesh-sdk@0.1.2 @novox/ui@1.0.0 @novox/ui@2.0.1" {
		t.Fatalf("v1: %s", pins(got))
	}
	if _, err := ReadLock("package-lock.json", []byte("{not json"), "r", knownHere); err == nil {
		t.Fatal("a broken lockfile read as empty")
	}
}

func TestAYarnLockOfEitherFormatNamesWhatItPins(t *testing.T) {
	classic := "# yarn lockfile v1\n\n\"@novox/mesh-sdk@^0.1.0\", \"@novox/mesh-sdk@^0.1.2\":\n  version \"0.1.4\"\n  resolved \"x\"\n  dependencies:\n    left-pad \"^1\"\n\nleft-pad@^1:\n  version \"1.3.0\"\n"
	if got := pins(readYarnLock([]byte(classic), "r", knownHere)); got != "@novox/mesh-sdk@0.1.4" {
		t.Fatalf("classic: %s", got)
	}
	berry := "__metadata:\n  version: 6\n\n\"@novox/ui@npm:^2.0.0\":\n  version: 2.0.7\n  resolution: \"@novox/ui@npm:2.0.7\"\n"
	if got := pins(readYarnLock([]byte(berry), "r", knownHere)); got != "@novox/ui@2.0.7" {
		t.Fatalf("berry: %s", got)
	}
}

func TestAPnpmLockNamesWhatItPinsInEachFormat(t *testing.T) {
	lock := "lockfileVersion: '9.0'\npackages:\n  '@novox/mesh-sdk@0.1.5':\n    resolution: {}\n  /@novox/ui/2.0.2:\n    resolution: {}\n  /@other/novox/ui@9.9.9:\n  /x-sdk@1.0.0:\n"
	if got := pins(readTextLock([]byte(lock), "r", knownHere)); got != "@novox/mesh-sdk@0.1.5 @novox/ui@2.0.2" {
		t.Fatalf("pnpm: %s", got)
	}
}

func TestOnlyTheRepositorysOwnManifestsAreRead(t *testing.T) {
	for p, want := range map[string]bool{"package.json": true, "modules/x/package-lock.json": true, "yarn.lock": true,
		"pnpm-lock.yaml": true, "node_modules/a/package.json": false, "README.md": false, "a/package.json.bak": false} {
		if interesting(p) != want {
			t.Errorf("%s: %v", p, !want)
		}
	}
}