#include "includes.h"

#define APP_LOG_MAX_SIZE (3*1024)
#define APP_LOG "applog.txt"

void takeNoteOfSerType(void){
	sutApp.serverDef=newPara.serList.defaultuse;
	MSG_INFO(1, "pri server option:%d\n", sutApp.serverDef);
}

typedef struct{
	int fd;
	MY_CLOCK myclock;
	LSAPI_FS_Stat_info_t pbuf;
	char info[20+20+10];
}LOG_PARADEF;
LOG_PARADEF logPara={0};
void takeNoteFile(char *reason){
	int offset,i,j,k;
	int extneedsize;
	if(sutApp.serverDef==newPara.serList.defaultuse) return;
	ohpocGetClock(&logPara.myclock);
	snprintf(logPara.info, sizeof(logPara.info),"*[%04d-%02d-%02d,%02d:%02d:%02d,%d,%d,%s]\n", 
		logPara.myclock.year, 
		logPara.myclock.month,
		logPara.myclock.day,
		logPara.myclock.hour,
		logPara.myclock.min,
		logPara.myclock.sec,
		sutApp.serverDef,newPara.serList.defaultuse,
		reason);
	MSG_WARN(1, logPara.info);
	logPara.fd=LSAPI_FS_Open(APP_LOG, LSAPI_FS_O_RDWR|LSAPI_FS_O_CREAT,0x0);
	if(logPara.fd<0){
		MSG_ERR(1,"%s open failed",APP_LOG);
		return;
	}
	LSAPI_FS_Fstat(logPara.fd, &logPara.pbuf);
	//检测是否够写，如果不够写，则将第一条删除
	if((logPara.pbuf.st_size+strlen(logPara.info))>APP_LOG_MAX_SIZE){
		extneedsize=strlen(logPara.info)-(APP_LOG_MAX_SIZE-logPara.pbuf.st_size);//至少还需要这么多
		unsigned char *ptr=(unsigned char *)malloc(logPara.pbuf.st_size*sizeof(unsigned char));
		if(ptr==NULL){//如果申请失败，那这一条信息就直接覆盖第一条好了
			MSG_WARN(1, "malloc failed, save to 0");
			offset=0;
		}else{//将文件所有数据先读出来
			LSAPI_FS_Read(logPara.fd, ptr, logPara.pbuf.st_size);
			//然后删除数据直到够存本条信息
			j=0;
			for(i=0;i<logPara.pbuf.st_size;i++){
				if(ptr[i]=='\n'){
					j=i+1;
					if(j>=extneedsize) break;//够数据了
				}
			}
			//整体数据移动j
			for(i=j;i<logPara.pbuf.st_size;i++) ptr[i-j]=ptr[i];
			//将新数据填充在最后
			k=logPara.pbuf.st_size-j;
			for(i=0;i<strlen(logPara.info);i++) ptr[k+i]=logPara.info[i];
			//先关掉本文件
			LSAPI_FS_Close(logPara.fd);
			//再将它打开并截断清0
			logPara.fd=LSAPI_FS_Open(APP_LOG, LSAPI_FS_O_RDWR|LSAPI_FS_O_CREAT|LSAPI_FS_O_TRUNC,0x0);
			if(logPara.fd<0){//那就扔掉吧
				MSG_ERR(1,"%s open and trunc failed",APP_LOG);
				free(ptr);
				return;
			}
			//回写
			j=k+strlen(logPara.info);
			LSAPI_FS_Write(logPara.fd, ptr, j);
			LSAPI_FS_Close(logPara.fd);
			free(ptr);
			return;
		}
	}else offset=logPara.pbuf.st_size;
	LSAPI_FS_Seek(logPara.fd, offset, LSAPI_FS_SEEK_SET);
	LSAPI_FS_Write(logPara.fd, logPara.info, strlen(logPara.info));
	LSAPI_FS_Close(logPara.fd);
}
unsigned char reachFull=0;
unsigned char* takeNoteRead(int *msglen){
	int len;
	reachFull=0;
	int fd = LSAPI_FS_Open(APP_LOG, LSAPI_FS_O_RDONLY, 0);
	if(fd<0){
		MSG_WARN(1, "%s open err", APP_LOG);
		goto FAILED;
	}
	LSAPI_FS_Stat_info_t pbuf;
	LSAPI_FS_Fstat(fd, &pbuf);
	if(pbuf.st_size>(APP_LOG_MAX_SIZE-30)) reachFull=1;//基础每一条长度30左右，提示已慢，提示可删除
	unsigned char *ptr=(unsigned char *)malloc(pbuf.st_size*sizeof(unsigned char)+1);
	if(ptr==NULL){
		MSG_WARN(1, "%s malloc err", APP_LOG);
		LSAPI_FS_Close(fd);
		goto FAILED;
	}
	if(pbuf.st_size){
		len=LSAPI_FS_Read(fd, ptr, pbuf.st_size);
	}else len=0;
	LSAPI_FS_Close(fd);
	if(len<0) len=0;
	*msglen=len;
	ptr[len]=0;
	return ptr;
	FAILED:
		*msglen=0;
		return NULL;
}
unsigned char *debugmsg=NULL;
int debugmsglen=0;
void uiShowDebug(char update){
	if(update){
		guiClearAll(guiGetBackColor());
		guiShowCaption(0,"更改记录",UI_STATUS_ITEM_Y+1,guiGetBackColor(),guiGetForeColor(),FONT_MODE_16X16);
		debugmsg=takeNoteRead(&debugmsglen);
		if(debugmsglen>0 && debugmsg!=NULL)
			newMessageInit(FONT_MODE_16X16, debugmsg, NULL, NULL);
		uiMenuShowBottomLine();
		if(reachFull==0) uiMenuShowBottomIndacitor(NULL, "返回");
		else uiMenuShowBottomIndacitor("格式化", "返回");
		return;
	}
}

void uiShowDebugResponse(void){
	unsigned short key=getKeyValue();
	if(MKEY_VALUE_ESC==key){
		if(debugmsg != NULL) free(debugmsg);
		debugmsg=NULL;
		uISetNextStatus(UIS_STANDBY);
	}
	else if(MKEY_VALUE_DOWN==key){
		if(debugmsglen>0 && debugmsg!=NULL)
			newMessageShow(SHOW_DOWN);
	}else if(MKEY_VALUE_MENU==key){
		if(reachFull!=0){
			char buf[50];
			snprintf(buf, sizeof(buf), "AT+FSDELFILE=\"applog.txt\"\r\n",APP_LOG);
			msgAtSend(buf);
			uISetNextStatus(UIS_STANDBY);
		}
	}
}