#include "TjdUiAppCalculatorModel.h"
#include "TjdUiAppCalculatorPresenter.h"
#include "sql_setting.h"
#include "sys_config.h"
#include <cmath>
#include <stdio.h>
#include <string.h>

namespace TJD {

#define ENABLE_PRINT_INFO 1
#if ENABLE_PRINT_INFO
#define static_print_info(...) sys_ui_log_i(__VA_ARGS__)  // 一般信息打印宏控制
#define static_print_warn(...) sys_ui_log_w(__VA_ARGS__)  // 警告信息打印一般常开
#define static_print_error(...) sys_ui_log_e(__VA_ARGS__) // 错误信息打印一般常开
#define static_print_debug(...) sys_ui_log_d(__VA_ARGS__) // 调试信息打印一般常开
#else
#define static_print_info(...)
#define static_print_warn(...)
#define static_print_error(...)
#define static_print_debug(...)
#endif

#define FONT_SIZE 54
extern struct UiCalculator *__calculator ;
extern uint8_t last_mode;
extern int count;
static TjdUiAppCalculatorModel *g_pv_CalculatorModel = nullptr;
//重置参数
void TjdUiAppCalculatorModel::CalculatorReset(void)
{
    __this->num_1=0.0;
    __this->num_2=0.0;
    __this->point=0;
    __this->cal_mode=NONE;
	__this->error = 0;
    memset(__this->str,0,SHOW_NUM_MAX);
	__this->str[0] = '0';
}

//字符转浮点
double TjdUiAppCalculatorModel::__atof(char* str)
{
	double s=0.0;
	double d=10.0;
	int jishu=0;
	bool falg=false;
	while(*str==' ')
	{
		str++;
	}
	if(*str=='-')//记录数字正负
	{
		falg=true;
		str++;
	}
	if(!(*str>='0'&&*str<='9'))//如果一开始非数字则退出，返回0.0
		return s;
	while(*str>='0'&&*str<='9'&&*str!='.')//计算小数点前整数部分
	{
		s=s*10.0+*str-'0';
		str++;
	}
	if(*str=='.')//以后为小数部分
		str++;
	while(*str>='0'&&*str<='9')//计算小数部分
	{
		s=s+(*str-'0')/d;
		d*=10.0;
		str++;
	}
	s=s*(falg?-1.0:1.0);
	return s;
}

//运算函数
double TjdUiAppCalculatorModel::__calculator_add(double A,double B){
    printf("%s A=%f B=%f A+B=%f\n",__func__,A,B,(A+B));
    return (A+B);
}
double TjdUiAppCalculatorModel::__calculator_sub(double A,double B){
    printf("%s A=%f B=%f A-B=%f\n",__func__,A,B,(A-B));
    return (A-B);
}
double TjdUiAppCalculatorModel::__calculator_mul(double A,double B){
    printf("%s A=%f B=%f A*B=%f\n",__func__,A,B,(A*B));
    return (A*B);
}
double TjdUiAppCalculatorModel::__calculator_div(double A,double B){
    if(std::fabs(B)< 1e-6){//除0判断
        return 0;
    }
    printf("%s A=%f B=%f A/B=%f\n",__func__,A,B,(A/B));
    return (A/B);
}

//清除字符
void TjdUiAppCalculatorModel::StringClear(void)
{
    memset(__this->str,0,SHOW_NUM_MAX);
	__this->str[0] = '0';
}

//输入函数
int TjdUiAppCalculatorModel::StringInput(char str)
{
  
	int len = 0;

    if(__this->error == 1){
		printf("error");
		return -1;
    }

	// if(__this->cal_mode==DIV && str=='0'){
	// 	printf("除数为0");
	// 	__this->error = 1;
	// }

	if(str=='0' && (strcmp(__this->str,"0")==0)){
		printf("0输入重复");
		return -1;
	}
  else if(((strcmp(__this->str,"0")==0) && __this->cal_mode==NONE) || __this->cal_mode != NONE){
		__this->point = 0;
    	if(last_mode == EQUAL){
		last_mode = 0;
		__this->num_1 = 0;
		if(str=='.'){
			StringClear();
		}else{
			memset(__this->str, 0, SHOW_NUM_MAX);
		}
	}else{
		if(str=='.'){
			StringClear();
		}else{
			memset(__this->str, 0, SHOW_NUM_MAX);
		}
	}
}
len = strlen(__this->str);

if(str == '.'){
	if(__this->point==1){
		return -1;
	}else if(len < SHOW_NUM_MAX){
		__this->point = 1;
	}
}
if(len >= SHOW_NUM_MAX){
	return -1;
}

std::string strr(__this->str);
strr+=str;
sprintf(__this->str,"%s%s",__this->str,strr.c_str());
__this->num_2 = __atof(__this->str);
__this->cal_mode = NONE;

return 0;
}

//清除所有
int TjdUiAppCalculatorModel::CalculationClear(void)
{
    // CalculatorView::GetInstance()->GetResultLabel()->SetPosition(RESULT_LABEL_X, 100);
	CalculatorView::GetInstance()->GetResultLabel()->SetFont(TJD_VECTOR_FONT_FILENAME,FONT_SIZE );
	CalculatorView::GetInstance()->GetResultLabel1()->SetFont(TJD_VECTOR_FONT_FILENAME, FONT_SIZE);
	CalculatorView::GetInstance()->GetResultLabel1()->SetText("");
    CalculatorReset();
	last_mode = 0;
    return 0;
}

//回退单字符
int TjdUiAppCalculatorModel::CalculationBack(void)
{
    if(strlen(__this->str)>0){
		if(__this->str[strlen(__this->str)-1] == '.'){
			__this->point = 0;
		}

        __this->str[strlen(__this->str)-1]='\0';
		__this->num_2 = __atof(__this->str);
    }else{
		printf("%s del null\n",__func__);
        return 0;
    }
	if(strlen(__this->str)==0){
		__this->str[0] = '0';
        /*CalculatorReset();
		count=0;
		last_mode = 0;*/
	}

    return strlen(__this->str);
}

//+ - * / =
double TjdUiAppCalculatorModel::CalculationResult(uint8_t mode)
{
    double cal_res=0.0;
    switch(mode){
        case ADD:	cal_res=__calculator_add(__this->num_1,__this->num_2); break;
        case SUB:	cal_res=__calculator_sub(__this->num_1,__this->num_2); break;
        case MUL:	cal_res=__calculator_mul(__this->num_1,__this->num_2); break;
        case DIV:	cal_res=__calculator_div(__this->num_1,__this->num_2); break;
        default:	break;
    }

	__this->point = 0;

    return cal_res;
}

int TjdUiAppCalculatorModel::CalculationModeSet(uint8_t mode)
{
    if(__this->error == 1){
		printf("error");
		return 0;
    }

	if((__this->cal_mode==mode && __this->cal_mode!=EQUAL) || __this->cal_mode!=NONE){
		__this->cal_mode = mode;
		last_mode = mode;
		return 0;
	}

	if(__this->cal_mode==NONE){
		if(last_mode == 0){
			if(__this->num_1 == 0){
				__this->num_1 = __this->num_2;
			}
		}else{
			__this->num_1 = CalculationResult(last_mode);
		}

		__this->cal_mode = mode;
		last_mode = mode;
	}

	memset(__this->str, 0, SHOW_NUM_MAX);

    return __this->cal_mode;
}

int TjdUiAppCalculatorModel::DoubleToString(char* str,double num)
{
	int len = 0;
	int count = 0;

	sprintf(str, "%f", num);
	len = strlen(str);
	if(len>SHOW_NUM_MAX){
		str[SHOW_NUM_MAX + 1] = '\0';
		if(str[SHOW_NUM_MAX] == '.') str[SHOW_NUM_MAX]='\0';
		len = SHOW_NUM_MAX;
	}
	if(NULL == strchr(str, '.')){
		return 0;
	}

	for(int i=len-1;i>0;i--){
		if(str[i]=='.'){
			str[i] = '\0';
			return 0;
		}

		if(str[i]=='0'){
			str[i] = '\0';
			continue;
		}else{
			return 0;
		}
	}

	return 0;
}

TjdUiAppCalculatorModel::TjdUiAppCalculatorModel(){g_pv_CalculatorModel = this;};

TjdUiAppCalculatorModel::~TjdUiAppCalculatorModel() {g_pv_CalculatorModel = nullptr;};

TjdUiAppCalculatorModel* TjdUiAppCalculatorModel::GetInstance(void) {return g_pv_CalculatorModel;};

} // namespace TJD