package llm

import (
	"context"
	"os"
	"path/filepath"
	"reflect"
	"sort"
	"testing"

	"gitea.maximumdirect.net/eric/audita/v3/internal/core/config"
	ck "go.maximumdirect.net/configkit"
)

func TestRuntimeTracksCapturedConfigurationAndInheritedMessageFiles(t *testing.T) {
	dir := t.TempDir()
	for name, content := range map[string]string{
		"config.yml":                    "version: 3\n",
		"prompts.yml":                   "config:\n  imports:\n    - path: catalog/arbitrary-name.yaml\n      required: true\n",
		"catalog/arbitrary-name.yaml":   "prompts:\n  - id: source\n    messages:\n      - role: user\n        content_file: instruction.md\n    output:\n      format: text\n      validation_mode: none\n",
		"catalog/instruction.md":        "Captured operator message.\n",
		"prompts/nested/override.yaml":  "prompts:\n  - id: literal-child\n    extends: {id: source}\n",
		"prompts/nested/collection.yml": "collections:\n  operator:\n    prompts:\n      - id: local\n        messages:\n          - role: user\n            content_file: ../shared/collection.md\n        output:\n          format: text\n          validation_mode: none\n",
		"prompts/shared/collection.md":  "Message in a collection.\n",
	} {
		file := filepath.Join(dir, name)
		if err := os.MkdirAll(filepath.Dir(file), 0700); err != nil {
			t.Fatal(err)
		}
		if err := os.WriteFile(file, []byte(content), 0600); err != nil {
			t.Fatal(err)
		}
	}
	loaded, err := config.Load(ck.Input{Source: ck.File(filepath.Join(dir, "config.yml"))}, "")
	if err != nil {
		t.Fatal(err)
	}
	runtime, err := NewRuntime(context.Background(), loaded, nil)
	if err != nil {
		t.Fatal(err)
	}
	want := []string{
		filepath.Join(dir, "prompts.yml"),
		filepath.Join(dir, "catalog/arbitrary-name.yaml"),
		filepath.Join(dir, "catalog/instruction.md"),
		filepath.Join(dir, "prompts/nested/override.yaml"),
		filepath.Join(dir, "prompts/nested/collection.yml"),
		filepath.Join(dir, "prompts/shared/collection.md"),
	}
	sort.Strings(want)
	if !reflect.DeepEqual(runtime.SourcePaths, want) {
		t.Fatalf("captured source paths = %#v, want %#v", runtime.SourcePaths, want)
	}
}