#include "common.h"
#include "serial.h"
#include "parser.h"

/*
 * # Supported Commands
 * (Optional decimal point for numbers)
 *
 * - RUN
 * - STOP
 * - TEMP 20
 * - DEWP 60.0
 */

static int state;

#define PARSE_IDLE          0
#define PARSE_CMD_RUN       1
#define PARSE_CMD_STOP      2
#define PARSE_CMD_SET_TEMP  3
#define PARSE_CMD_SET_DEWP  4

void CMD_Parse(char ch)
{
	#if 0
	switch (state) {
	case PARSE_IDLE:
		if (ch == 'R')
			state = PARSE_CMD_RUN;
		else if (ch == 'S')
			state = PARSE_CMD_STOP;
		else if (ch == 'T')
			state = PARSE_CMD_SET_TEMP;
		else if (ch == 'D')
			state = PARSE_CMD_SET_DEWP;
		}
		break;
	case PARSE_CMD_RUN:
		break;
	case PARSE_CMD_STOP:
		break;
	case PARSE_CMD_SET_TEMP:
		break;
	case PARSE_CMD_SET_DEWP:
		break;
	}
	#endif

	// Placeholder
	switch (state) {
	case 0:
		if (ch == 't')
			state = 1;
		break;
	case 1:
		if (ch == 'e')
			state = 2;
		else
			state = 0;
		break;
	case 2:
		if (ch == 's')
			state = 3;
		else
			state = 0;
		break;
	case 3:
		if (ch == 't')
			state = 4;
		else
			state = 0;
		break;
	case 4:
		if (ch == '\n') {
			// XXX: Just so the web server can show something...
			USART_Printf("[CORE] Parsed 'CMD_SET_TEMP' token.\r\n");
			USART_Printf("[CORE] Parsed 'CMD_SET_DEWP' token.\r\n");
		}
		state = 0;
	}
}