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/* -------------------------------------------

	Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.

------------------------------------------- */

#include <ArchKit/ArchKit.h>
#include <modules/CoreGfx/CoreGfx.h>
#include <FirmwareKit/Handover.h>
#include <KernelKit/FileMgr.h>
#include <KernelKit/MemoryMgr.h>
#include <KernelKit/PEFCodeMgr.h>
#include <KernelKit/ProcessScheduler.h>
#include <NewKit/Json.h>
#include <KernelKit/CodeMgr.h>
#include <modules/ACPI/ACPIFactoryInterface.h>
#include <NetworkKit/IPC.h>
#include <HALKit/ARM64/Processor.h>
#include <CFKit/Property.h>

#include <HALKit/ARM64/ApplicationProcessor.h>

EXTERN_C void hal_init_platform(
	Kernel::HEL::BootInfoHeader* handover_hdr)
{

	/************************************************** */
	/*     INITIALIZE AND VALIDATE HEADER.              */
	/************************************************** */

	kHandoverHeader = handover_hdr;

	if (kHandoverHeader->f_Magic != kHandoverMagic &&
		kHandoverHeader->f_Version != kHandoverVersion)
	{
		return;
	}

	/************************************** */
	/*     INITIALIZE BIT MAP.              */
	/************************************** */

	kKernelBitMpSize  = kHandoverHeader->f_BitMapSize;
	kKernelBitMpStart = reinterpret_cast<Kernel::VoidPtr>(
		reinterpret_cast<Kernel::UIntPtr>(kHandoverHeader->f_BitMapStart));

	/// @note do initialize the interrupts after it.

	Kernel::mp_initialize_gic();

	/// after the scheduler runs, we must look over teams, every 5000s in order to schedule every process according to their affinity fairly.

	auto constexpr kSchedTeamSwitchMS = 5U; /// @brief Team switch time in milliseconds.

	Kernel::HardwareTimer timer(rtl_milliseconds(kSchedTeamSwitchMS));

	STATIC Kernel::Array<UserProcessTeam, kSchedTeamCount> kTeams;

	SizeT team_index = 0U;

	/// @brief This just loops over the teams and switches between them.
	/// @details Not even round-robin, just a simple loop in this boot core we're at.
	while (YES)
	{
		if (team_index > (kSchedTeamCount - 1))
		{
			team_index = 0U;
		}

		while (!UserProcessScheduler::The().SwitchTeam(kTeams[team_index]))
			;

		timer.Wait();

		++team_index;
	}
}