#include "shellmatta.h"
#include <stdio.h>
#include <stddef.h>
#include <string.h>

void shellmatta_doInit(shellmatta_instance_t *inst, uint8_t *buffer, uint32_t bufferSize, uint8_t *historyBuffer, uint32_t historyBufferSize)
{
	inst->buffer = buffer;
	inst->bufferSize = bufferSize;
	inst->bufferReadPointer = 0u;
	inst->bufferWritePointer = 0u;
	inst->cmdList = NULL;
	inst->historyBuffer = historyBuffer;
	inst->historyBufferSize = historyBufferSize;
}

void shellmatta_addCmd(shellmatta_instance_t *inst, shellmatta_cmd_t *cmd)
{
	shellmatta_cmd_t *tempCmd = inst->cmdList;

	if(NULL == tempCmd)
	{
		inst->cmdList = cmd;
		cmd->next = NULL;
	}
	else
	{
		while(tempCmd->next != NULL)
		{
			tempCmd = tempCmd->next;
		}
		tempCmd->next = cmd;
		cmd->next = NULL;
	}
}

void shellmatta_doTask(shellmatta_instance_t *inst, uint32_t time)
{

}

void shellmatta_processData(shellmatta_instance_t *inst, char *data, uint32_t size)
{
	printf("%c", *data);

	if(0x0A == *data)
	{
		shellmatta_cmd_t *cmd = inst->cmdList;
		uint8_t cmdExecuted = 0u;
		inst->buffer[inst->bufferWritePointer] = 0u;

		while(NULL != cmd)
		{
			if(0 == strcmp(inst->buffer, cmd->cmd))
			{
				cmdExecuted = 1u;
				char *blubb[10];
				blubb[0] = inst->buffer;
				cmd->cmdFct(1, blubb);
				cmd = NULL;
			}
			else
			{
				cmd = cmd->next;
			}
		}

		if(cmdExecuted == 0u)
		{
			printf("failed to find command");
		}

		inst->bufferWritePointer = 0u;
	}
	else
	{
		inst->buffer[inst->bufferWritePointer] = *data;
		inst->bufferWritePointer ++;
	}
}

void shellmatta_printf(shellmatta_instance_t *inst, const char *fmt, ...)
{
	printf(fmt);
}

void shellmatta_getArg(uint32_t cnt, uint8_t *arg)
{

}