#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>


struct databank
{
	char nama[25];
	int waktu;
	int deposit;
	int laba;
}data[50];


int main()
{
	char nama2[100];
	int flag,flagprint,menu,tambahan;
	float interest;
	int temp1;
	char temp2[100];

	FILE *fp;

	fp = fopen("interest.txt","r");
	fscanf(fp,"%f",&interest);
	interest /= 100;
	fclose(fp);

	fp = fopen("databank.txt","r");
	flag=0;
	while(!feof(fp))
	{
		fscanf(fp,"%d#%d#%[^\n]\n",&data[flag].waktu,&data[flag].deposit,&data[flag].nama);
		flag++;
	}fclose(fp);

	do
	{
		for(int x=flag-1;x>0;x--)
		{
			for(int y=x-1;y>0;y--)
			{
				if(data[y].deposit < data[x].deposit)
				{
					temp1 = data[y].deposit;
					data[y].deposit = data[x].deposit;
					data[x].deposit = temp1;

					temp1 = data[y].waktu;
					data[y].waktu = data[x].waktu;
					data[x].waktu = temp1;

					strcpy(temp2,data[y].nama);
					strcpy(data[y].nama,data[x].nama);
					strcpy(data[x].nama,temp2);
				}

				else if(data[y].waktu < data[x].waktu)
				{
					temp1 = data[y].deposit;
					data[y].deposit = data[x].deposit;
					data[x].deposit = temp1;

					temp1 = data[y].waktu;
					data[y].waktu = data[x].waktu;
					data[x].waktu = temp1;

					strcpy(temp2,data[y].nama);
					strcpy(data[y].nama,data[x].nama);
					strcpy(data[x].nama,temp2);
				}
			}
		}


		printf("\nBANK MARA MUDA POHAN FELL FREE TO INVEST\n========================================\n");
		printf("1. View Data\n2. Add New Data\n3. TopUp\n4. Save & Exit\n\n");
		do
		{
			printf("Choose Menu You want : ");scanf("%d",&menu);fflush(stdin);
		}while(menu < 1 || menu > 4);

		switch(menu)
		{
			case 1:
				printf("\nName\t\tDuration\tAmount\t\tReturnAmount\n");
				printf("===================================================================\n");

				for(int a=0;a<flag;a++)
				{
					data[a].laba = data[a].deposit + (data[a].deposit * interest * data[a].waktu / 12);
					printf("%s\t\t%d\t\t%d\t\t%d\n",data[a].nama,data[a].waktu,data[a].deposit,data[a].laba);
				}
			break;

			case 2:
				do
				{
					printf("Input Your Name [3..25]: ");gets(data[flag].nama);
				}while(strlen(data[flag].nama)<3 || strlen(data[flag].nama)>25);
				do
				{
				printf("Input How long you want invest [3/6/9/12]: ");scanf("%d",&data[flag].waktu);fflush(stdin);
				}while(data[flag].waktu != 3 && data[flag].waktu != 6 && data[flag].waktu != 9 && data[flag].waktu != 12);
				do
				{
					printf("Input How much you want to invest [50000..1000000]: ");scanf("%d",&data[flag].deposit);fflush(stdin);
				}while(data[flag].deposit<50000 || data[flag].deposit>1000000);
				flag++;
			break;

			case 3:
				printf("Input Name that you want to TopUp: ");scanf("%[^\n]",nama2);fflush(stdin);

				for(int a=0;a<flag;a++)
				{
					if(strcmp(nama2,data[a].nama)==0)
					{
						if(data[a].deposit == 1000000)
						{
							printf("Sorry Your Amount Already MAX\n");
							break;
						}

						else if(data[a].deposit < 1000000)
						{
							flagprint=1;
							do
							{
								printf("How much you want to TopUp[MAX:%d]: ",1000000-data[a].deposit);scanf("%d",&tambahan);fflush(stdin);
							}while(tambahan > 1000000-data[a].deposit);
							data[a].deposit += tambahan;
							printf("Your Amount has been Updated. Thanks\n");
							break;
						}
					}

					else if(strcmp(nama2,data[flag].nama)!=0)
					{
						flagprint=0;
					}
				}
				if(flagprint==0)
				{
					printf("Sorry there are no data that match your input\n");
				}

			break;

			case 4:
				printf("Thanks for cooperating with MARA MUDA POHAN BANK");

				fp = fopen("databank.txt","w");

				for(int a=0;a<flag;a++)
				{
					if(a==flag-1)
					{
						fprintf(fp,"%d#%d#%[^\n]",data[a].waktu,data[a].deposit,data[a].nama);
					}
					else
					{
						fprintf(fp,"%d#%d#%[^\n]\n",data[a].waktu,data[a].deposit,data[a].nama);
					}
				}
				fclose(fp);
			break;
		}

	}while(menu != 4 || menu > 4);


	return 0;
}