#pragma once

#include <string>

#include <vector>

// Forward declare v8 types to keep this header lightweight and avoid

// requiring V8 headers at include sites.

namespace v8 {

class Isolate;

template <class T> class Local;

class Object;

class Function;

class Context;

}

namespace tns {

// HMRSupport: Isolated helpers for minimal HMR (import.meta.hot) support.

//

// This module contains:

// - Per-module hot data store

// - Registration for accept/disable callbacks

// - Initializer to attach import.meta.hot to a module's import.meta

//

// Note: Triggering/dispatch is handled by the HMR system elsewhere.

// Retrieve or create the per-module hot data object.

v8::Local<v8::Object> GetOrCreateHotData(v8::Isolate* isolate, const std::string& key);

// Register accept and dispose callbacks for a module key.

void RegisterHotAccept(v8::Isolate* isolate, const std::string& key, v8::Local<v8::Function> cb);

void RegisterHotDispose(v8::Isolate* isolate, const std::string& key, v8::Local<v8::Function> cb);

// Optional: expose read helpers (may be useful for debugging/integration)

std::vector<v8::Local<v8::Function>> GetHotAcceptCallbacks(v8::Isolate* isolate, const std::string& key);

std::vector<v8::Local<v8::Function>> GetHotDisposeCallbacks(v8::Isolate* isolate, const std::string& key);

// Attach a minimal import.meta.hot object to the provided import.meta object.

// The modulePath should be the canonical path used to key callback/data maps.

void InitializeImportMetaHot(v8::Isolate* isolate,

v8::Local<v8::Context> context,

v8::Local<v8::Object> importMeta,

const std::string& modulePath);

// ─────────────────────────────────────────────────────────────

// Dev HTTP loader helpers (used during HMR only)

// These are isolated here so ModuleInternalCallbacks stays lean.

//

// Normalize HTTP(S) URLs for module registry keys.

// - Preserves versioning params for SFC endpoints (/@ns/sfc, /@ns/asm)

// - Drops cache-busting segments for /@ns/rt and /@ns/core

// - Drops query params for general app modules (/@ns/m)

std::string CanonicalizeHttpUrlKey(const std::string& url);

// Minimal text fetch for dev HTTP ESM loader. Returns true on 2xx with non-empty body.

// - out: response body

// - contentType: Content-Type header if present

// - status: HTTP status code

bool HttpFetchText(const std::string& url, std::string& out, std::string& contentType, int& status);

} // namespace tns