#pragma once

#include "Base.h"
#include "General_Purpose_Allocator.h"
// #include "Arena.h"
// #include "Logger.h"
#include "MString.h"
// #include "Threads.h"
// #include "Expandable_Arena.h"

struct Thread_Context {
  // ExpandableArena* temp;  // Used for temporary allocations, scratch space.
  // ExpandableArena* arena; // general purpose local arena

  Allocator allocator;
  s32 thread_idx;
  // u16 _padding0;
  u16 GPAllocator_alignment = 16;
  // Logger logger = {nullptr, nullptr};
  // String_Builder* log_builder;
  // Stack_Trace* stack_trace;
  
  // Array<Thread*> child_threads; // maybe should be linked-list?
  Thread_Context* parent_thread_context = nullptr; // so we can remove from above array
  
  string thread_name;
  
  Allocator error_allocator = GPAllocator();
  // Error* first_error = nullptr;
  // Error* current_error = nullptr;
  // Arena* error_arena;
  
  // Graphics stuff:
  // Graphics* graphics;
  
  void* userdata; // for appending other arenas, etc. 
};

// C_LINKAGE thread_static TCTX* tctx_thread_local;
thread_static Thread_Context* thread_local_context;

// #TODO #NewContext void create_thread_context (Thread_Context** context, string thread_name, bool is_main_thread);
// Thread-context #Errors:

internal void Bootstrap_Main_Thread_Context ();

struct Push_Allocator {
  Thread_Context* context;
  Allocator old_allocator;
  
  Push_Allocator (Allocator new_allocator) {
    context = thread_context();
    old_allocator = context->allocator;
    context->allocator = new_allocator;
  }
  
  ~Push_Allocator () {
    context->allocator = old_allocator;
  }
};

// #TODO: Turn this into a macro that also provides the 
// file, line number to the print.
void print_context_allocator ();

// void print_context_allocator () {
//   Assert(thread_context()->allocator.proc);

//   char* result = (char*)thread_context()->allocator.proc(Allocator_Mode::DETAILS, 0, 0, nullptr, thread_context()->allocator.data);
//   log_none("Current allocator details: %s", result);
// }