package adminassets

import (
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func TestValidateDiskChecksDynamicImportsAndEveryOutput(t *testing.T) {
	root := t.TempDir()
	if err := os.MkdirAll(filepath.Join(root, "assets"), 0o755); err != nil {
		t.Fatal(err)
	}
	writeAssetTestFile(t, root, "index.html", `<script type="module" src="/admin/assets/index-12345678.js"></script>`)
	writeAssetTestFile(t, root, "admin-build.json", `{"buildId":"build-1"}`)
	writeAssetTestFile(t, root, "asset-manifest.json", `{
		"src/main.ts":{"file":"assets/index-12345678.js","dynamicImports":["src/views/FeedbacksView.vue"]},
		"src/views/FeedbacksView.vue":{"file":"assets/FeedbacksView-12345678.js","css":["assets/FeedbacksView-12345678.css"]}
	}`)
	writeAssetTestFile(t, root, "assets/index-12345678.js", "import('./FeedbacksView-12345678.js')")
	writeAssetTestFile(t, root, "assets/FeedbacksView-12345678.js", "export default {}")
	writeAssetTestFile(t, root, "assets/FeedbacksView-12345678.css", ".page{}")

	status := ValidateDisk(root, "build-1")
	if !status.Ready || status.ManifestEntries != 2 {
		t.Fatalf("valid build rejected: %#v", status)
	}
	if err := os.Remove(filepath.Join(root, "assets", "FeedbacksView-12345678.js")); err != nil {
		t.Fatal(err)
	}
	status = ValidateDisk(root, "build-1")
	if status.Ready || !strings.Contains(status.ValidationError, "FeedbacksView-12345678.js") {
		t.Fatalf("missing lazy chunk not diagnosed: %#v", status)
	}
}

func TestValidateDiskRejectsBuildIDMismatch(t *testing.T) {
	root := t.TempDir()
	if err := os.MkdirAll(filepath.Join(root, "assets"), 0o755); err != nil {
		t.Fatal(err)
	}
	writeAssetTestFile(t, root, "index.html", "<main></main>")
	writeAssetTestFile(t, root, "admin-build.json", `{"buildId":"old"}`)
	writeAssetTestFile(t, root, "asset-manifest.json", `{"src/main.ts":{"file":"assets/index-12345678.js"}}`)
	writeAssetTestFile(t, root, "assets/index-12345678.js", "export{}")

	status := ValidateDisk(root, "new")
	if status.Ready || !strings.Contains(status.ValidationError, "does not match") {
		t.Fatalf("build mismatch not rejected: %#v", status)
	}
}

func writeAssetTestFile(t *testing.T, root, name, value string) {
	t.Helper()
	path := filepath.Join(root, filepath.FromSlash(name))
	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(path, []byte(value), 0o644); err != nil {
		t.Fatal(err)
	}
}