package locationoccurrences

import (
	"context"
	"strings"
	"testing"
	"time"

	"gitea.maximumdirect.net/eric/notarius/internal/framework/llm"
	"gitea.maximumdirect.net/eric/promptkit"
)

func TestRegisterPromptAssetsPreparesLocationOccurrencePrompt(t *testing.T) {
	registry := llm.NewAssetRegistry()
	if err := RegisterPromptAssets(registry); err != nil {
		t.Fatal(err)
	}
	options, err := registry.PromptKitOptions()
	if err != nil {
		t.Fatal(err)
	}
	options = append(options, promptkit.WithProfiles(promptkit.OpenAICompatibleProfile(promptkit.OpenAICompatibleProfileConfig{
		ID: "location-occurrences-test", Endpoint: "http://127.0.0.1:1/v1", Model: "test",
	})))
	engine, err := promptkit.NewEngine(promptkit.Config{Timeout: time.Second}, options...)
	if err != nil {
		t.Fatal(err)
	}
	prepared, err := engine.Prepare(context.Background(), promptkit.RunRequest{
		PromptID: PromptID, PromptVersion: SchemaVersion, ProfileID: "location-occurrences-test",
		Inputs: map[string]promptkit.ArtifactRef{
			"transcript": promptkit.Inline(`{"units":[{"sentinel":"location-occurrence-transcript"}]}`), "players": promptkit.Inline("location-occurrence-player"), "party": promptkit.Inline(" "), "glossary": promptkit.Inline(" "),
			"locations": promptkit.Inline(`{"locations":[{"id":"location:sha256:test","name":"location-occurrence-registry"}]}`),
		},
	})
	if err != nil {
		t.Fatal(err)
	}
	if prepared.PromptID != PromptID || prepared.OutputContract.SchemaPath != "dnd_location_occurrences_llm.v1.json" {
		t.Fatalf("prepared prompt = %#v", prepared)
	}
	var registryMessage string
	referenceIndex := -1
	transcriptIndex := -1
	registryIndex := -1
	evidenceIndex := -1
	for index, message := range prepared.Messages {
		if strings.Contains(message.Content, "location-occurrence-player") {
			referenceIndex = index
		}
		if strings.Contains(message.Content, "location-occurrence-transcript") {
			transcriptIndex = index
		}
		if strings.Contains(message.Content, "normalized location registry") {
			registryMessage = message.Content
			registryIndex = index
		}
		if strings.Contains(message.Content, "Transcript units are the only evidence") {
			evidenceIndex = index
		}
	}
	if !strings.Contains(registryMessage, "location:sha256:test") || !strings.Contains(registryMessage, "location-occurrence-registry") || strings.Contains(registryMessage, "source_refs") {
		t.Fatalf("rendered prompt did not preserve source-free registry grounding: %s", registryMessage)
	}
	instructionsIndex := len(prepared.Messages) - 1
	if referenceIndex < 0 || transcriptIndex <= referenceIndex || evidenceIndex <= transcriptIndex || registryIndex <= evidenceIndex || instructionsIndex <= registryIndex {
		t.Fatalf("message order = references %d, transcript %d, evidence %d, registry %d, instructions %d; want that order", referenceIndex, transcriptIndex, evidenceIndex, registryIndex, instructionsIndex)
	}
	for _, index := range []int{referenceIndex, transcriptIndex, instructionsIndex} {
		if cache := prepared.Messages[index].CacheControl; cache == nil || cache.Type != promptkit.CacheControlEphemeral {
			t.Fatalf("message %d cache control = %#v, want ephemeral", index, cache)
		}
	}
	for index, message := range prepared.Messages {
		if index != referenceIndex && strings.Contains(message.Content, "location-occurrence-player") {
			t.Errorf("message %d unexpectedly rendered campaign-reference input", index)
		}
		if index != transcriptIndex && strings.Contains(message.Content, "location-occurrence-transcript") {
			t.Errorf("message %d unexpectedly rendered transcript input", index)
		}
		if index != registryIndex && strings.Contains(message.Content, "location-occurrence-registry") {
			t.Errorf("message %d unexpectedly rendered registry grounding input", index)
		}
	}
}